Battery light on but car runs fine

Dec 02, 2019 · A typical alternator. A bad alternator will usually make itself known when the engine is already running. If you see your Mariner’s battery light turns on while the engine is already running, that is a strong indication that the alternator is no longer providing enough wattage to power the various electrical systems and charge the battery at the same time. Feb 05, 2014 · The whole purpose of the check engine light is to illuminate whenever there is a problem. These problems can range from faults within the electrical system, the engine, fluid levels or to problems within the car’s emissions system. The problem can even be as simple as forgetting to tighten your gas cap – in fact, this is the most common ... Doesn't start, turn key and light's go out and nothing happens new battery starter good, alternate good new ignition switch ,can jump the 60 amp fuse and motor turns over but will not stay running wha …Measure the voltage at the battery with the engine RUNNING. You should see a reading of 13.8~14.2 volts. The "BATT" light indicates simply that more power is flowing FROM the battery than TO it. Sure it runs fine.....for now. Stuck on the side of the road in a rainstorm at 3am IS looming on the not too distant horizon however.Mar 30, 2011 · Start the car, take off the positive battery cable. If the car dies your alt is toast, if it stays running your alt is fine. Could be a regulator also going out. Check those. this is a good way to "Wipe Out" a Regulator! But It is a way to tell.. If You need To go with this Test Method I would Dis-connect Ground cable. Jan 11, 2019 · Other reasons could be attributed to bad battery terminals, a bad alternator, or even an older battery that cannot provide the required power to the vehicle. The most common temporary fix to these issues would be to jump start the battery. To do so, you will require a pair of jumper cables & a second vehicle to provide the power necessary to ... Nov 20, 2012 · Joined Aug 15, 2012. 422 Posts. #5 · Nov 21, 2012. SoCal2V said: Weak battery and poor connection at the terminals (dirty, corroded). That 'click' is very telling. Take the clamps off, clean the posts and the clamps with a wire brush, snadpaper or whatever and put it all back together. Since your battery light came on, the reading will probably be lower. This means that either your battery isn't holding a charge or the alternator isn't charging it properly. In some high-performance and German cars, the battery is actually in the back, where the trunk would be. If you can't find the battery on your car, check your manual. 2Sep 11, 2020 · Bad Connections. Corrosion. Parasitic Drain. Other Battery Problems. Driving With a Dead Battery. Checking a Charging System at Home. Keeping Your Battery From Dying. When your car battery dies once, it may be tempting to just write it off as a fluke. Car batteries can die for a huge range of different reasons, and there’s always the chance ... Dec 26, 2014 · Update: Battery Light Cleared Codes, well actually left Charger on Over Night and Code was gone this morning 8 hours ago, but cleared code anyway. I played around with car most of afternoon with SDS Clearing a bunch of not so important codes, took for test drive all fine. I just went out after letting car sit for and hour and Red Light Back on! In your case the light is turned on/off by the ECM when it sees the alternator changing the system voltage to above battery voltage. The battery terminal outputs to the fuse box and starter and battery. Also it needs a good ground. So you would check the negative battery cable connections and the engine to body ground connection.Nov 27, 2017 · Monday 27th November 2017. Charging light is battery backed. In other words it has 12v sitting behind it.....so when there is nothing on the field coils of the alt it will glow, as the Alt starts ... May 25, 2016 · Part 1 of 3: React to the battery light. When you first turn on your car with the engine off, the battery light will illuminate and this is normal. If the battery light comes on while the engine is running and the vehicle is being driven, this indicates a problem with the charging system. Step 1: Turn off everything that draws power. If the ... The short story is everything tests good however the battery light is on and will not go off. I tried several alternators, one being new, and put in a new battery and a new belt. I have a 2004 Toyota Matrix XR. Several days ago my battery light started blinking on. It would only occasionally flicker on then off and it was mostly off. A day after that it started to go on and off more regularly ...That light is often indicative of a bad alternator, but not always. Basically all it means is that you have a low voltage, which is most often caused by either the battery or the alternator. If the battery is bad, the alternator voltage will not get high enough. It could also be the wires. Read more. When you turn the car on, its dashboard briefly lights up like an overcrowded fast-food menu. An array of illuminated numbers, letters, indicators, read-outs, and symbols flash and ...Apr 03, 2022 · The most common reason for a car battery light on while driving is a broken auxiliary or serpentine belt. It can also be because of a faulty or worn alternator or the wirings to it. In rare cases, a faulty dash cluster or a bad car battery is to blame. There are actually quite many things that can cause your car battery light to come on. Nov 20, 2012 · Joined Aug 15, 2012. 422 Posts. #5 · Nov 21, 2012. SoCal2V said: Weak battery and poor connection at the terminals (dirty, corroded). That 'click' is very telling. Take the clamps off, clean the posts and the clamps with a wire brush, snadpaper or whatever and put it all back together. Jan 07, 2011 · Check the voltage from the positive terminal of the battery to the negative terminal on the battery(record this). Then check voltage from the positive terminal of the battery to where the negative terminal connects to the block. if this reading is lower your negative battery cable may be the problem. Air Bag Light, Brake Light, & ABS Light came on in the dashboard. Check and see if your alternator is charging. Low voltage will cause those lights to come on, as the computer is shutting down. To check your alternator you will need a volt meter... WITH the engine running you should have about 14 volts coming out. Jan 07, 2011 · Check the voltage from the positive terminal of the battery to the negative terminal on the battery(record this). Then check voltage from the positive terminal of the battery to where the negative terminal connects to the block. if this reading is lower your negative battery cable may be the problem. Doesn't start, turn key and light's go out and nothing happens new battery starter good, alternate good new ignition switch ,can jump the 60 amp fuse and motor turns over but will not stay running wha …Nov 20, 2012 · Joined Aug 15, 2012. 422 Posts. #5 · Nov 21, 2012. SoCal2V said: Weak battery and poor connection at the terminals (dirty, corroded). That 'click' is very telling. Take the clamps off, clean the posts and the clamps with a wire brush, snadpaper or whatever and put it all back together. Jul 13, 2012 · 2005 kia amanti, two lights on dashboard, battery light, and car imobilizer light. car is running fine but why the lights. Changed the battery. … read more Jun 08, 2022 · Signs of a bad alternator. If the above steps reveal that the battery is working, it’s time to take a closer look at the alternator. There are certain bad alternator symptoms to look for. Find out how to tell if your alternator is bad¹²: Dim interior lights. While running the car, note the brightness of the interior lights. Bad Wiring. The wiring that comes out of the battery could be damaged or frayed. Such a condition interrupts the flow of electricity and triggers the battery warning light. Changing the wires will make the light go off. 4. Bad Battery Cable. Another possibility of battery light on in car is the bad battery cable.Step 1: Check your battery gauge. If the light is flickering, there is something in your car draining the battery. Step 2: Check commonly used connections. Check your power windows, power locks, and your clock. Step 3: Check your battery voltage with the car off. It should read 12.6 volts. Step 4: Check the battery voltage with the car on. If you notice lots of grime on the battery terminals, remove the battery covers, disconnect the battery cables, and wash it gently away with a rag, soap, and water. Make sure the cable clamps are tight: If the connection between the battery and the cables that are attached to it are loose, it can cause the battery light to come on.Nov 25, 2012 · So last night my car battery died for the 3rd time in 6/7 weeks. So I got a new battery which was fitted in today. The car drove fine and after 10-15 minutes the battery light went off. However when I drove it later on during my drive the light came back on. Why is this does anybody know? Thanks in advance. Mar 28, 2005 · well, i do need new drive belt, its kinda cracking on the serpentine side but its not slipping...yet (the one that runs from the alternator to the A/C to the tensioner and finally to the engine); however, the alternator is putting out 14.0V at idle and it tested out ok when my uncle brought over a portable charging system tester from the auto parts store he works at. Sep 28, 2020 · Improper Air to Fuel Ratio. An imbalanced air to fuel ratio in your engine can lead to the cylinder misfiring and weak car battery symptoms in your vehicle. If the air to fuel ratio is off within the engine, this leads to the wrong timing of internal combustion. If there is too much fuel or too much air in the engine, then the imbalanced ratio ... Mar 30, 2011 · Start the car, take off the positive battery cable. If the car dies your alt is toast, if it stays running your alt is fine. Could be a regulator also going out. Check those. this is a good way to "Wipe Out" a Regulator! But It is a way to tell.. If You need To go with this Test Method I would Dis-connect Ground cable. First things first: if the battery light comes on in your car when you turn it on, you probably have nothing to worry about. Sometimes the battery light will come on when you start your car, but then the light will quickly flick off. If this is the case, pay it no mind. Second, the battery light is probably one of the most misunderstood lights in your vehicle because most people immediately assume it means your battery is bad. Possible causes of the check engine light to come on are: Defective Oxygen Sensor Mass Airflow Sensor (MAF) needs replacement Fuel Economy Spark Plugs/Plug Wires are Faulty Damaged/Loose Gas Cap Failing Ignition Coil Bad or Faulty Catalytic Converter Defective Oxygen SensorRead more. When you turn the car on, its dashboard briefly lights up like an overcrowded fast-food menu. An array of illuminated numbers, letters, indicators, read-outs, and symbols flash and ...Dec 31, 2020 · The car battery is a vital component that provides the vehicle with the necessary power to run on the road. Apart from the issue of battery light on but alternator is charging, you might encounter quite a number of problems with your battery or your alternator that is causing your car slow to start. Sep 29, 2018 · When the Battery Light Comes On . This light comes on when your alternator is not making electricity and the car is running off of battery power alone. You can drive a short distance on the battery, especially if you turn off most of your car's electrical items (like the radio, air conditioning, etc.), but there's no way to know how far you'll get before it dies. Jan 11, 2019 · Other reasons could be attributed to bad battery terminals, a bad alternator, or even an older battery that cannot provide the required power to the vehicle. The most common temporary fix to these issues would be to jump start the battery. To do so, you will require a pair of jumper cables & a second vehicle to provide the power necessary to ... Mar 30, 2011 · Start the car, take off the positive battery cable. If the car dies your alt is toast, if it stays running your alt is fine. Could be a regulator also going out. Check those. this is a good way to "Wipe Out" a Regulator! But It is a way to tell.. If You need To go with this Test Method I would Dis-connect Ground cable. Check the voltage from the positive terminal of the battery to the negative terminal on the battery (record this). Then check voltage from the positive terminal of the battery to where the negative terminal connects to the block. if this reading is lower your negative battery cable may be the problem.The whole purpose of the check engine light is to illuminate whenever there is a problem. These problems can range from faults within the electrical system, the engine, fluid levels or to problems within the car's emissions system. The problem can even be as simple as forgetting to tighten your gas cap - in fact, this is the most common ...The whole purpose of the check engine light is to illuminate whenever there is a problem. These problems can range from faults within the electrical system, the engine, fluid levels or to problems within the car's emissions system. The problem can even be as simple as forgetting to tighten your gas cap - in fact, this is the most common ...Possible Causes Why Light Is on but Alternator Is Charging. 1. Dirty or Corroded Battery Terminals. When the battery terminals are corroded or stained, charging will not proceed correctly. When you observe a green or white material on the terminals or the battery’s top, this could be the cause of why the battery light is on. Solution. Mar 28, 2005 · well, i do need new drive belt, its kinda cracking on the serpentine side but its not slipping...yet (the one that runs from the alternator to the A/C to the tensioner and finally to the engine); however, the alternator is putting out 14.0V at idle and it tested out ok when my uncle brought over a portable charging system tester from the auto parts store he works at. Nov 27, 2017 · Monday 27th November 2017. Charging light is battery backed. In other words it has 12v sitting behind it.....so when there is nothing on the field coils of the alt it will glow, as the Alt starts ... Jun 20, 2019 · The short story is everything tests good however the battery light is on and will not go off. I tried several alternators, one being new, and put in a new battery and a new belt. I have a 2004 Toyota Matrix XR. Several days ago my battery light started blinking on. It would only occasionally flicker on then off and it was mostly off. A day after that it started to go on and off more regularly ... Tighten the Battery Clamps. At times, the battery light remains on due to a weak connection between the car battery and the cables that connect to it. Ensure the clamps fastened to the battery terminals. In case you notice the clamps are loose, then use a small wrench to tighten them until they completely cover the terminals. The car battery is ...One possibility, and usually the most common of course is that the alternator has failed, and you are running on your battery. Yes your car has still started so far, if the alternator isn't charging, you will end up with a car that won't start, or worse yet quits on you while you are driving in the very near future.Apr 03, 2015 · Joined May 16, 2011. 2 Posts. #4 · Jul 28, 2015. Battery light on - battery and alternator voltage ok. I have a 2004 Pilot EX with 65,000 miles. The Battery light goes on when the car is started and is running. Voltmeter shows across battery terminals: 14.2 V when engine is running; 12.8V when engine not running. May 25, 2016 · Part 1 of 3: React to the battery light. When you first turn on your car with the engine off, the battery light will illuminate and this is normal. If the battery light comes on while the engine is running and the vehicle is being driven, this indicates a problem with the charging system. Step 1: Turn off everything that draws power. If the ... First, the warning light bulb may fail to illuminate when the ignition is switched on and the engine has not yet been started. (This is usually the simplest to fix.) Second, the warning light may fail to go out when you raise the engine speed. Third, the light may behave normally at low revs but then come on at high engine speed. Dec 02, 2019 · A typical alternator. A bad alternator will usually make itself known when the engine is already running. If you see your Mariner’s battery light turns on while the engine is already running, that is a strong indication that the alternator is no longer providing enough wattage to power the various electrical systems and charge the battery at the same time. Apr 03, 2022 · Check the battery voltage and connect a car battery charger to make sure the battery charge is good. If you can start your car after the charging of the car battery. Measure the voltage with a multimeter while the car is running. If it is 13.5-14.5 voltage, your alternator is fine, but if you get under 13 volts while the car is running, there ... Jan 09, 2009 · With the car still running i pulled the negative cable off the battery terminal and it kept running, so that means the alternator is charging, and suprisingly the battery and brake light went off. I put the terminal back unto the battery and the car labored alittle and the lights came back on again WTF!!!. Feb 20, 2014 · After starting the car and the battery light is off simply put the positive lead of your meter to the positive side of the battery and the negative lead of your meter to the negative side of the battery. If it is charging you should see anywhere between 13-15 volts, any lower than 13 volts and you are not charging and anything above 15 volts ... Car runs fine. Will disconnecting the battery reset it? Jump to Latest Follow 1 - 20 of 21 Posts. 1; 2; Next. 1 of 2 Go to page. Go. E ... my 2012 srt8 superbee did the same car wheel hopped and traction did not come on buy check engine light did.but after you turn car off and on 3 times it reset.i had dealer check it and code, computer ...Jan 11, 2019 · Other reasons could be attributed to bad battery terminals, a bad alternator, or even an older battery that cannot provide the required power to the vehicle. The most common temporary fix to these issues would be to jump start the battery. To do so, you will require a pair of jumper cables & a second vehicle to provide the power necessary to ... First, the warning light bulb may fail to illuminate when the ignition is switched on and the engine has not yet been started. (This is usually the simplest to fix.) Second, the warning light may fail to go out when you raise the engine speed. Third, the light may behave normally at low revs but then come on at high engine speed. First, the warning light bulb may fail to illuminate when the ignition is switched on and the engine has not yet been started. (This is usually the simplest to fix.) Second, the warning light may fail to go out when you raise the engine speed. Third, the light may behave normally at low revs but then come on at high engine speed. Step 1: Check your battery gauge. If the light is flickering, there is something in your car draining the battery. Step 2: Check commonly used connections. Check your power windows, power locks, and your clock. Step 3: Check your battery voltage with the car off. It should read 12.6 volts. Step 4: Check the battery voltage with the car on. Nov 25, 2012 · So last night my car battery died for the 3rd time in 6/7 weeks. So I got a new battery which was fitted in today. The car drove fine and after 10-15 minutes the battery light went off. However when I drove it later on during my drive the light came back on. Why is this does anybody know? Thanks in advance. Feb 05, 2014 · The whole purpose of the check engine light is to illuminate whenever there is a problem. These problems can range from faults within the electrical system, the engine, fluid levels or to problems within the car’s emissions system. The problem can even be as simple as forgetting to tighten your gas cap – in fact, this is the most common ... That light is often indicative of a bad alternator, but not always. Basically all it means is that you have a low voltage, which is most often caused by either the battery or the alternator. If the battery is bad, the alternator voltage will not get high enough. It could also be the wires. Sep 29, 2018 · When the Battery Light Comes On . This light comes on when your alternator is not making electricity and the car is running off of battery power alone. You can drive a short distance on the battery, especially if you turn off most of your car's electrical items (like the radio, air conditioning, etc.), but there's no way to know how far you'll get before it dies. If your car struggles to start but runs fine, this is a sign of a battery issue that can enhance the car's performance issues. As you know by now, the battery is responsible for producing the power to start the car. If the power is not in the battery, then the car battery will show 3.12 volts, and the car will not start. Strange SmellMar 30, 2011 · Start the car, take off the positive battery cable. If the car dies your alt is toast, if it stays running your alt is fine. Could be a regulator also going out. Check those. this is a good way to "Wipe Out" a Regulator! But It is a way to tell.. If You need To go with this Test Method I would Dis-connect Ground cable. Apr 15, 2019 · There are steps you can take to troubleshoot the issue to determine why the battery light has come on: 1. Inspect the battery. Check your vehicle’s battery for signs of corrosion on or damage to the terminals. Remove any corrosion and make sure the clamps are secure on the terminals. 2. Check the alternator. Possible Causes Why Light Is on but Alternator Is Charging. 1. Dirty or Corroded Battery Terminals. When the battery terminals are corroded or stained, charging will not proceed correctly. When you observe a green or white material on the terminals or the battery’s top, this could be the cause of why the battery light is on. Solution. The whole purpose of the check engine light is to illuminate whenever there is a problem. These problems can range from faults within the electrical system, the engine, fluid levels or to problems within the car's emissions system. The problem can even be as simple as forgetting to tighten your gas cap - in fact, this is the most common ...Check the voltage from the positive terminal of the battery to the negative terminal on the battery (record this). Then check voltage from the positive terminal of the battery to where the negative terminal connects to the block. if this reading is lower your negative battery cable may be the problem.Mar 30, 2011 · Start the car, take off the positive battery cable. If the car dies your alt is toast, if it stays running your alt is fine. Could be a regulator also going out. Check those. this is a good way to "Wipe Out" a Regulator! But It is a way to tell.. If You need To go with this Test Method I would Dis-connect Ground cable. Mar 30, 2011 · Start the car, take off the positive battery cable. If the car dies your alt is toast, if it stays running your alt is fine. Could be a regulator also going out. Check those. this is a good way to "Wipe Out" a Regulator! But It is a way to tell.. If You need To go with this Test Method I would Dis-connect Ground cable. Jun 30, 2022 · Disconnect the negative battery cable. 5. Touch a lead to the negative battery cable terminal. Touch the other lead to the negative battery post, completing the circuit within the multimeter, which will display the amp draw. 6. Power draw should be under 50 milliamps. This will display as 0.05 amps. The short story is everything tests good however the battery light is on and will not go off. I tried several alternators, one being new, and put in a new battery and a new belt. I have a 2004 Toyota Matrix XR. Several days ago my battery light started blinking on. It would only occasionally flicker on then off and it was mostly off. A day after that it started to go on and off more regularly ...Possible Causes Why Light Is on but Alternator Is Charging. 1. Dirty or Corroded Battery Terminals. When the battery terminals are corroded or stained, charging will not proceed correctly. When you observe a green or white material on the terminals or the battery’s top, this could be the cause of why the battery light is on. Solution. Nov 25, 2012 · So last night my car battery died for the 3rd time in 6/7 weeks. So I got a new battery which was fitted in today. The car drove fine and after 10-15 minutes the battery light went off. However when I drove it later on during my drive the light came back on. Why is this does anybody know? Thanks in advance. The whole purpose of the check engine light is to illuminate whenever there is a problem. These problems can range from faults within the electrical system, the engine, fluid levels or to problems within the car's emissions system. The problem can even be as simple as forgetting to tighten your gas cap - in fact, this is the most common ...Dec 07, 2012 · GXYWADY Front Bumper Fog Light Assembly Built-in LED Fog Lights Replacement for Toyota Corolla 2019-2021 Hatchback (OE Style Clear Lens with Switch, Bezels, Wires) $100.69. Hooke Road Tacoma Overhead MOLLE Panel Storage Compatible with Toyota Tacoma 2005-2015 2nd Gen Double Cab 4-door Pickup Trucks. $109.99. In your case the light is turned on/off by the ECM when it sees the alternator changing the system voltage to above battery voltage. The battery terminal outputs to the fuse box and starter and battery. Also it needs a good ground. So you would check the negative battery cable connections and the engine to body ground connection.There are steps you can take to troubleshoot the issue to determine why the battery light has come on: 1. Inspect the battery. Check your vehicle's battery for signs of corrosion on or damage to the terminals. Remove any corrosion and make sure the clamps are secure on the terminals. 2. Check the alternator.Feb 12, 2015 · A battery is vital to your car or truck, as it provides power to the starter and electrical system when the car is not running. Signs the Battery is Dead: When you attempt to start the car, there is a low whining sound. If jump starting gets your engine started and running, but the car will not start again once you turn it off, the battery is ... Feb 12, 2015 · A battery is vital to your car or truck, as it provides power to the starter and electrical system when the car is not running. Signs the Battery is Dead: When you attempt to start the car, there is a low whining sound. If jump starting gets your engine started and running, but the car will not start again once you turn it off, the battery is ... Nov 10, 2020 · If the battery is totally dead, you won’t hear a chime or see the dome light at all. If the battery is very weak, the dome light may appear dim. Alternate causes: Faulty door switch or fuse. Headlights and radio won’t turn on, or headlights are very dim. If your headlights and radio won’t turn on, and your car also won’t start, then the ... Aug 15, 2005 · Start the car and the battery light blinks a couple of times and then comes on solid. But, I'm seeing 14 volts at the positive battery terminal. I unlocked the OBC, and the computer is registering 13.7 volts at idle. Fire up every accessory in the car plus the headlights and it'll sag to 12.9 volts, but then recovers to 13.6 in about two seconds. Why VE Commodore Check Engine Light turns on. Faulty Oil Sensor: This is an easy fix and something you could do yourself if you have an OBD2 scan tool to check it. Battery Not Fully Charged: This can cause many problems with your cars checking system. Tyre Pressure Low: Pump up the tyres (very easy to do). If it is just your check engine light ... Aug 15, 2005 · Start the car and the battery light blinks a couple of times and then comes on solid. But, I'm seeing 14 volts at the positive battery terminal. I unlocked the OBC, and the computer is registering 13.7 volts at idle. Fire up every accessory in the car plus the headlights and it'll sag to 12.9 volts, but then recovers to 13.6 in about two seconds. May 04, 2017 · May 4, 2017. CARS.COM — If the battery warning light (a light in the shape of a battery symbol) on the dashboard comes on while you’re driving, that means the charging system isn’t working ... May 18, 2008 · Hi. I have just been abroad for a week and left my Mini Cooper parked on the driveway. I have just driven it to work and the power steering has failed, meaning the car was like a tank to park! The battery light also came on and the clock display has disappeared so obviously it would seem they are connected. The car has done around 83,000 miles ... Jun 20, 2019 · The short story is everything tests good however the battery light is on and will not go off. I tried several alternators, one being new, and put in a new battery and a new belt. I have a 2004 Toyota Matrix XR. Several days ago my battery light started blinking on. It would only occasionally flicker on then off and it was mostly off. A day after that it started to go on and off more regularly ... Mar 31, 2017 · My 2003 Honda Civic EX is experiencing an issue which causes the battery (alternator/charging system) light to occasionally come on for less than a second. The car starts, runs, and drives fine without any noticeable dimming of lights or odd noises when the battery light flashes. Jun 24, 2022 · As a result, your battery will run flat and your car will shut off. To check this, you will need a voltmeter to test your battery’s volt. A healthy battery should read at least 12.4 volts when the car is off. If you’re lucky and the car can start, a running car with a healthy alternator should register at least 14 volts. Sep 28, 2020 · Improper Air to Fuel Ratio. An imbalanced air to fuel ratio in your engine can lead to the cylinder misfiring and weak car battery symptoms in your vehicle. If the air to fuel ratio is off within the engine, this leads to the wrong timing of internal combustion. If there is too much fuel or too much air in the engine, then the imbalanced ratio ... Apr 03, 2015 · We bought a brand new alternator and battery and the battery light keeps coming on. I have a 2005 Dodge Neon. The alternator isn’t keeping the battery charged but it is brand new and I had them test it twice and they said it’s good. I don’t understand. Once the battery goes dead the car won’t start. If it’s charged it starts. Nov 20, 2012 · Joined Aug 15, 2012. 422 Posts. #5 · Nov 21, 2012. SoCal2V said: Weak battery and poor connection at the terminals (dirty, corroded). That 'click' is very telling. Take the clamps off, clean the posts and the clamps with a wire brush, snadpaper or whatever and put it all back together. In your case the light is turned on/off by the ECM when it sees the alternator changing the system voltage to above battery voltage. The battery terminal outputs to the fuse box and starter and battery. Also it needs a good ground. So you would check the negative battery cable connections and the engine to body ground connection.One possibility, and usually the most common of course is that the alternator has failed, and you are running on your battery. Yes your car has still started so far, if the alternator isn't charging, you will end up with a car that won't start, or worse yet quits on you while you are driving in the very near future. Feb 05, 2014 · The whole purpose of the check engine light is to illuminate whenever there is a problem. These problems can range from faults within the electrical system, the engine, fluid levels or to problems within the car’s emissions system. The problem can even be as simple as forgetting to tighten your gas cap – in fact, this is the most common ... May 4, 2017. CARS.COM — If the battery warning light (a light in the shape of a battery symbol) on the dashboard comes on while you're driving, that means the charging system isn't working ...The whole purpose of the check engine light is to illuminate whenever there is a problem. These problems can range from faults within the electrical system, the engine, fluid levels or to problems within the car's emissions system. The problem can even be as simple as forgetting to tighten your gas cap - in fact, this is the most common ...One possibility, and usually the most common of course is that the alternator has failed, and you are running on your battery. Yes your car has still started so far, if the alternator isn't charging, you will end up with a car that won't start, or worse yet quits on you while you are driving in the very near future.Nov 20, 2012 · Joined Aug 15, 2012. 422 Posts. #5 · Nov 21, 2012. SoCal2V said: Weak battery and poor connection at the terminals (dirty, corroded). That 'click' is very telling. Take the clamps off, clean the posts and the clamps with a wire brush, snadpaper or whatever and put it all back together. Turning your vehicle may result in a few different events, all of which will cause the car battery indicator light to illuminate (unless your car is completely dead). The most common of which will result in a constant clicking noise which will display some action from the dashboard's needles and lights to begin illuminating. The Battery Light is OnSep 30, 2020 · You are better to use a voltmeter, and measure the voltage at the battery when the car is off and when it’s running. In simple terms, if the voltage is higher when the car is running, then the alternator is providing at least some energy back to the battery, but that doesn’t mean that it’s working optimally. Jan 09, 2009 · With the car still running i pulled the negative cable off the battery terminal and it kept running, so that means the alternator is charging, and suprisingly the battery and brake light went off. I put the terminal back unto the battery and the car labored alittle and the lights came back on again WTF!!!. Possible Causes Why Light Is on but Alternator Is Charging. 1. Dirty or Corroded Battery Terminals. When the battery terminals are corroded or stained, charging will not proceed correctly. When you observe a green or white material on the terminals or the battery’s top, this could be the cause of why the battery light is on. Solution. The most common reason for a car battery light on while driving is a broken auxiliary or serpentine belt. It can also be because of a faulty or worn alternator or the wirings to it. In rare cases, a faulty dash cluster or a bad car battery is to blame. There are actually quite many things that can cause your car battery light to come on.Nov 20, 2012 · Joined Aug 15, 2012. 422 Posts. #5 · Nov 21, 2012. SoCal2V said: Weak battery and poor connection at the terminals (dirty, corroded). That 'click' is very telling. Take the clamps off, clean the posts and the clamps with a wire brush, snadpaper or whatever and put it all back together. Jan 11, 2019 · Other reasons could be attributed to bad battery terminals, a bad alternator, or even an older battery that cannot provide the required power to the vehicle. The most common temporary fix to these issues would be to jump start the battery. To do so, you will require a pair of jumper cables & a second vehicle to provide the power necessary to ... One possibility, and usually the most common of course is that the alternator has failed, and you are running on your battery. Yes your car has still started so far, if the alternator isn't charging, you will end up with a car that won't start, or worse yet quits on you while you are driving in the very near future.Sep 29, 2018 · When the Battery Light Comes On . This light comes on when your alternator is not making electricity and the car is running off of battery power alone. You can drive a short distance on the battery, especially if you turn off most of your car's electrical items (like the radio, air conditioning, etc.), but there's no way to know how far you'll get before it dies. Why VE Commodore Check Engine Light turns on. Faulty Oil Sensor: This is an easy fix and something you could do yourself if you have an OBD2 scan tool to check it. Battery Not Fully Charged: This can cause many problems with your cars checking system. Tyre Pressure Low: Pump up the tyres (very easy to do). If it is just your check engine light ... Mar 31, 2017 · My 2003 Honda Civic EX is experiencing an issue which causes the battery (alternator/charging system) light to occasionally come on for less than a second. The car starts, runs, and drives fine without any noticeable dimming of lights or odd noises when the battery light flashes. In your case the light is turned on/off by the ECM when it sees the alternator changing the system voltage to above battery voltage. The battery terminal outputs to the fuse box and starter and battery. Also it needs a good ground. So you would check the negative battery cable connections and the engine to body ground connection.Apr 03, 2022 · The most common reason for a car battery light on while driving is a broken auxiliary or serpentine belt. It can also be because of a faulty or worn alternator or the wirings to it. In rare cases, a faulty dash cluster or a bad car battery is to blame. There are actually quite many things that can cause your car battery light to come on. Once the car is running, the alternator sends current back to recharge the battery as you drive. It supplies power for your car’s electronics when you’re underway and makes sure the right amount of charge goes back to the battery. If Your Car Won’t Start. The common signs above should help pinpoint what exactly is going wrong. May 4, 2017. CARS.COM — If the battery warning light (a light in the shape of a battery symbol) on the dashboard comes on while you're driving, that means the charging system isn't working ...Mar 30, 2011 · Start the car, take off the positive battery cable. If the car dies your alt is toast, if it stays running your alt is fine. Could be a regulator also going out. Check those. this is a good way to "Wipe Out" a Regulator! But It is a way to tell.. If You need To go with this Test Method I would Dis-connect Ground cable. Jun 24, 2022 · As a result, your battery will run flat and your car will shut off. To check this, you will need a voltmeter to test your battery’s volt. A healthy battery should read at least 12.4 volts when the car is off. If you’re lucky and the car can start, a running car with a healthy alternator should register at least 14 volts. Nov 27, 2017 · Monday 27th November 2017. Charging light is battery backed. In other words it has 12v sitting behind it.....so when there is nothing on the field coils of the alt it will glow, as the Alt starts ... Sep 29, 2018 · When the Battery Light Comes On . This light comes on when your alternator is not making electricity and the car is running off of battery power alone. You can drive a short distance on the battery, especially if you turn off most of your car's electrical items (like the radio, air conditioning, etc.), but there's no way to know how far you'll get before it dies. Hi the battery light came on the other day although the volts were fine (lights on too) and that was confirmed with a voltmeter on the battery terminals. Alternator swapped and the same results ...Possible Causes Why Light Is on but Alternator Is Charging. 1. Dirty or Corroded Battery Terminals. When the battery terminals are corroded or stained, charging will not proceed correctly. When you observe a green or white material on the terminals or the battery’s top, this could be the cause of why the battery light is on. Solution. Aug 25, 2021 · Pop the hood and find the battery, which looks like a small box with 2 wires coming out. Press the black lead of the multimeter tool to the negative battery terminal and the red lead to the positive one. A healthy battery should read 12.6 volts. [10] Since your battery light came on, the reading will probably be lower. Car runs fine. Will disconnecting the battery reset it? Jump to Latest Follow 1 - 20 of 21 Posts. 1; 2; Next. 1 of 2 Go to page. Go. E ... my 2012 srt8 superbee did the same car wheel hopped and traction did not come on buy check engine light did.but after you turn car off and on 3 times it reset.i had dealer check it and code, computer ...Car runs fine. Will disconnecting the battery reset it? Jump to Latest Follow 1 - 20 of 21 Posts. 1; 2; Next. 1 of 2 Go to page. Go. E ... my 2012 srt8 superbee did the same car wheel hopped and traction did not come on buy check engine light did.but after you turn car off and on 3 times it reset.i had dealer check it and code, computer ...The most common reason for a car battery light on while driving is a broken auxiliary or serpentine belt. It can also be because of a faulty or worn alternator or the wirings to it. In rare cases, a faulty dash cluster or a bad car battery is to blame. There are actually quite many things that can cause your car battery light to come on.Jun 24, 2022 · As a result, your battery will run flat and your car will shut off. To check this, you will need a voltmeter to test your battery’s volt. A healthy battery should read at least 12.4 volts when the car is off. If you’re lucky and the car can start, a running car with a healthy alternator should register at least 14 volts. Read more. When you turn the car on, its dashboard briefly lights up like an overcrowded fast-food menu. An array of illuminated numbers, letters, indicators, read-outs, and symbols flash and ...Dec 31, 2020 · The car battery is a vital component that provides the vehicle with the necessary power to run on the road. Apart from the issue of battery light on but alternator is charging, you might encounter quite a number of problems with your battery or your alternator that is causing your car slow to start. Jan 07, 2011 · Check the voltage from the positive terminal of the battery to the negative terminal on the battery(record this). Then check voltage from the positive terminal of the battery to where the negative terminal connects to the block. if this reading is lower your negative battery cable may be the problem. May 04, 2017 · May 4, 2017. CARS.COM — If the battery warning light (a light in the shape of a battery symbol) on the dashboard comes on while you’re driving, that means the charging system isn’t working ... Dec 26, 2014 · Update: Battery Light Cleared Codes, well actually left Charger on Over Night and Code was gone this morning 8 hours ago, but cleared code anyway. I played around with car most of afternoon with SDS Clearing a bunch of not so important codes, took for test drive all fine. I just went out after letting car sit for and hour and Red Light Back on! Apr 12, 2021 · Here are a few issues that could trigger an illuminated car battery light: Bad alternator. Damaged battery. Broken alternator belt. Loose serpentine belt. Voltage regulator problem – the voltage regulator is a component that works with the alternator to help ensure that the car has adequate power. Loose battery cable. Read more. When you turn the car on, its dashboard briefly lights up like an overcrowded fast-food menu. An array of illuminated numbers, letters, indicators, read-outs, and symbols flash and ...This car has been running fine (other than what's mentioned above) for 3 months now. We even left it sitting for almost 2 weeks, and it started up. I have cleaned the battery connections. I have played with the connections on the alternator and it did nothing to the battery light. ... When I got back into the car the battery light was off and ...Sep 29, 2018 · When the Battery Light Comes On . This light comes on when your alternator is not making electricity and the car is running off of battery power alone. You can drive a short distance on the battery, especially if you turn off most of your car's electrical items (like the radio, air conditioning, etc.), but there's no way to know how far you'll get before it dies. Feb 20, 2014 · After starting the car and the battery light is off simply put the positive lead of your meter to the positive side of the battery and the negative lead of your meter to the negative side of the battery. If it is charging you should see anywhere between 13-15 volts, any lower than 13 volts and you are not charging and anything above 15 volts ... Nov 27, 2017 · Monday 27th November 2017. Charging light is battery backed. In other words it has 12v sitting behind it.....so when there is nothing on the field coils of the alt it will glow, as the Alt starts ... Feb 20, 2014 · After starting the car and the battery light is off simply put the positive lead of your meter to the positive side of the battery and the negative lead of your meter to the negative side of the battery. If it is charging you should see anywhere between 13-15 volts, any lower than 13 volts and you are not charging and anything above 15 volts ... Jun 20, 2019 · The short story is everything tests good however the battery light is on and will not go off. I tried several alternators, one being new, and put in a new battery and a new belt. I have a 2004 Toyota Matrix XR. Several days ago my battery light started blinking on. It would only occasionally flicker on then off and it was mostly off. A day after that it started to go on and off more regularly ... Apr 12, 2021 · Here are a few issues that could trigger an illuminated car battery light: Bad alternator. Damaged battery. Broken alternator belt. Loose serpentine belt. Voltage regulator problem – the voltage regulator is a component that works with the alternator to help ensure that the car has adequate power. Loose battery cable. Mar 30, 2011 · Start the car, take off the positive battery cable. If the car dies your alt is toast, if it stays running your alt is fine. Could be a regulator also going out. Check those. this is a good way to "Wipe Out" a Regulator! But It is a way to tell.. If You need To go with this Test Method I would Dis-connect Ground cable. Jun 08, 2019 · 12.2v is low. Battery voltage should be around 12.6v. When the alternator is charging it should be 13.5-14.5v. I've seen the intermittent battery light when high loads are placed on the alternator like both AC units, radio, etc. Then when loads are reduced the battery light goes out. Checking the voltage with the battery light on is the key here. Apr 03, 2015 · Joined May 16, 2011. 2 Posts. #4 · Jul 28, 2015. Battery light on - battery and alternator voltage ok. I have a 2004 Pilot EX with 65,000 miles. The Battery light goes on when the car is started and is running. Voltmeter shows across battery terminals: 14.2 V when engine is running; 12.8V when engine not running. Feb 12, 2015 · A battery is vital to your car or truck, as it provides power to the starter and electrical system when the car is not running. Signs the Battery is Dead: When you attempt to start the car, there is a low whining sound. If jump starting gets your engine started and running, but the car will not start again once you turn it off, the battery is ... Car runs fine. Will disconnecting the battery reset it? Jump to Latest Follow 1 - 20 of 21 Posts. 1; 2; Next. 1 of 2 Go to page. Go. E ... my 2012 srt8 superbee did the same car wheel hopped and traction did not come on buy check engine light did.but after you turn car off and on 3 times it reset.i had dealer check it and code, computer ...May 18, 2008 · Hi. I have just been abroad for a week and left my Mini Cooper parked on the driveway. I have just driven it to work and the power steering has failed, meaning the car was like a tank to park! The battery light also came on and the clock display has disappeared so obviously it would seem they are connected. The car has done around 83,000 miles ... Dec 26, 2014 · Update: Battery Light Cleared Codes, well actually left Charger on Over Night and Code was gone this morning 8 hours ago, but cleared code anyway. I played around with car most of afternoon with SDS Clearing a bunch of not so important codes, took for test drive all fine. I just went out after letting car sit for and hour and Red Light Back on! May 25, 2016 · Part 1 of 3: React to the battery light. When you first turn on your car with the engine off, the battery light will illuminate and this is normal. If the battery light comes on while the engine is running and the vehicle is being driven, this indicates a problem with the charging system. Step 1: Turn off everything that draws power. If the ... Jun 08, 2019 · 12.2v is low. Battery voltage should be around 12.6v. When the alternator is charging it should be 13.5-14.5v. I've seen the intermittent battery light when high loads are placed on the alternator like both AC units, radio, etc. Then when loads are reduced the battery light goes out. Checking the voltage with the battery light on is the key here. Check the voltage from the positive terminal of the battery to the negative terminal on the battery (record this). Then check voltage from the positive terminal of the battery to where the negative terminal connects to the block. if this reading is lower your negative battery cable may be the problem.The battery light comes on when you start your car, and it might linger for a second or two, but it usually turns off pretty quickly. If it stays on while the car is running, it probably means there's something wrong with the alternator. It could also mean there is a minor problem with the battery like corrosion.Sep 29, 2018 · When the Battery Light Comes On . This light comes on when your alternator is not making electricity and the car is running off of battery power alone. You can drive a short distance on the battery, especially if you turn off most of your car's electrical items (like the radio, air conditioning, etc.), but there's no way to know how far you'll get before it dies. One possibility, and usually the most common of course is that the alternator has failed, and you are running on your battery. Yes your car has still started so far, if the alternator isn't charging, you will end up with a car that won't start, or worse yet quits on you while you are driving in the very near future. Nov 27, 2017 · Monday 27th November 2017. Charging light is battery backed. In other words it has 12v sitting behind it.....so when there is nothing on the field coils of the alt it will glow, as the Alt starts ... Feb 05, 2014 · The whole purpose of the check engine light is to illuminate whenever there is a problem. These problems can range from faults within the electrical system, the engine, fluid levels or to problems within the car’s emissions system. The problem can even be as simple as forgetting to tighten your gas cap – in fact, this is the most common ... The most common reason for a car battery light on while driving is a broken auxiliary or serpentine belt. It can also be because of a faulty or worn alternator or the wirings to it. In rare cases, a faulty dash cluster or a bad car battery is to blame. There are actually quite many things that can cause your car battery light to come on.This car has been running fine (other than what's mentioned above) for 3 months now. We even left it sitting for almost 2 weeks, and it started up. I have cleaned the battery connections. I have played with the connections on the alternator and it did nothing to the battery light. ... When I got back into the car the battery light was off and ...Possible Causes Why Light Is on but Alternator Is Charging. 1. Dirty or Corroded Battery Terminals. When the battery terminals are corroded or stained, charging will not proceed correctly. When you observe a green or white material on the terminals or the battery’s top, this could be the cause of why the battery light is on. Solution. Feb 20, 2014 · After starting the car and the battery light is off simply put the positive lead of your meter to the positive side of the battery and the negative lead of your meter to the negative side of the battery. If it is charging you should see anywhere between 13-15 volts, any lower than 13 volts and you are not charging and anything above 15 volts ... Apr 03, 2022 · The most common reason for a car battery light on while driving is a broken auxiliary or serpentine belt. It can also be because of a faulty or worn alternator or the wirings to it. In rare cases, a faulty dash cluster or a bad car battery is to blame. There are actually quite many things that can cause your car battery light to come on. In your case the light is turned on/off by the ECM when it sees the alternator changing the system voltage to above battery voltage. The battery terminal outputs to the fuse box and starter and battery. Also it needs a good ground. So you would check the negative battery cable connections and the engine to body ground connection.Nov 25, 2012 · So last night my car battery died for the 3rd time in 6/7 weeks. So I got a new battery which was fitted in today. The car drove fine and after 10-15 minutes the battery light went off. However when I drove it later on during my drive the light came back on. Why is this does anybody know? Thanks in advance. Read more. When you turn the car on, its dashboard briefly lights up like an overcrowded fast-food menu. An array of illuminated numbers, letters, indicators, read-outs, and symbols flash and ...Apr 03, 2015 · Joined May 16, 2011. 2 Posts. #4 · Jul 28, 2015. Battery light on - battery and alternator voltage ok. I have a 2004 Pilot EX with 65,000 miles. The Battery light goes on when the car is started and is running. Voltmeter shows across battery terminals: 14.2 V when engine is running; 12.8V when engine not running. Oct 27, 2021 · Cause #3: Extreme temperature. Cold weather can affect your car battery even you leave it just for a night. When a car battery is left in the cold for hours, the chemical reactions within the battery will be slowed down. Leaving the car battery in the cold for a longer time will cause the chemical reactions to stop completely. Apr 03, 2015 · Joined May 16, 2011. 2 Posts. #4 · Jul 28, 2015. Battery light on - battery and alternator voltage ok. I have a 2004 Pilot EX with 65,000 miles. The Battery light goes on when the car is started and is running. Voltmeter shows across battery terminals: 14.2 V when engine is running; 12.8V when engine not running. Apr 03, 2022 · The most common reason for a car battery light on while driving is a broken auxiliary or serpentine belt. It can also be because of a faulty or worn alternator or the wirings to it. In rare cases, a faulty dash cluster or a bad car battery is to blame. There are actually quite many things that can cause your car battery light to come on. Hi the battery light came on the other day although the volts were fine (lights on too) and that was confirmed with a voltmeter on the battery terminals. Alternator swapped and the same results ...Jun 08, 2022 · Signs of a bad alternator. If the above steps reveal that the battery is working, it’s time to take a closer look at the alternator. There are certain bad alternator symptoms to look for. Find out how to tell if your alternator is bad¹²: Dim interior lights. While running the car, note the brightness of the interior lights. Step 1: Check your battery gauge. If the light is flickering, there is something in your car draining the battery. Step 2: Check commonly used connections. Check your power windows, power locks, and your clock. Step 3: Check your battery voltage with the car off. It should read 12.6 volts. Step 4: Check the battery voltage with the car on. Apr 15, 2019 · There are steps you can take to troubleshoot the issue to determine why the battery light has come on: 1. Inspect the battery. Check your vehicle’s battery for signs of corrosion on or damage to the terminals. Remove any corrosion and make sure the clamps are secure on the terminals. 2. Check the alternator. Apr 12, 2021 · Here are a few issues that could trigger an illuminated car battery light: Bad alternator. Damaged battery. Broken alternator belt. Loose serpentine belt. Voltage regulator problem – the voltage regulator is a component that works with the alternator to help ensure that the car has adequate power. Loose battery cable. Dec 02, 2019 · A typical alternator. A bad alternator will usually make itself known when the engine is already running. If you see your Mariner’s battery light turns on while the engine is already running, that is a strong indication that the alternator is no longer providing enough wattage to power the various electrical systems and charge the battery at the same time. Dec 02, 2019 · A typical alternator. A bad alternator will usually make itself known when the engine is already running. If you see your Mariner’s battery light turns on while the engine is already running, that is a strong indication that the alternator is no longer providing enough wattage to power the various electrical systems and charge the battery at the same time. Feb 20, 2014 · After starting the car and the battery light is off simply put the positive lead of your meter to the positive side of the battery and the negative lead of your meter to the negative side of the battery. If it is charging you should see anywhere between 13-15 volts, any lower than 13 volts and you are not charging and anything above 15 volts ... Once the car is running, the alternator sends current back to recharge the battery as you drive. It supplies power for your car’s electronics when you’re underway and makes sure the right amount of charge goes back to the battery. If Your Car Won’t Start. The common signs above should help pinpoint what exactly is going wrong. Dec 31, 2020 · The car battery is a vital component that provides the vehicle with the necessary power to run on the road. Apart from the issue of battery light on but alternator is charging, you might encounter quite a number of problems with your battery or your alternator that is causing your car slow to start. This car has been running fine (other than what's mentioned above) for 3 months now. We even left it sitting for almost 2 weeks, and it started up. I have cleaned the battery connections. I have played with the connections on the alternator and it did nothing to the battery light. ... When I got back into the car the battery light was off and ...Dec 31, 2020 · The car battery is a vital component that provides the vehicle with the necessary power to run on the road. Apart from the issue of battery light on but alternator is charging, you might encounter quite a number of problems with your battery or your alternator that is causing your car slow to start. Apr 03, 2015 · Joined May 16, 2011. 2 Posts. #4 · Jul 28, 2015. Battery light on - battery and alternator voltage ok. I have a 2004 Pilot EX with 65,000 miles. The Battery light goes on when the car is started and is running. Voltmeter shows across battery terminals: 14.2 V when engine is running; 12.8V when engine not running. Bad Wiring. The wiring that comes out of the battery could be damaged or frayed. Such a condition interrupts the flow of electricity and triggers the battery warning light. Changing the wires will make the light go off. 4. Bad Battery Cable. Another possibility of battery light on in car is the bad battery cable.Dec 31, 2020 · The car battery is a vital component that provides the vehicle with the necessary power to run on the road. Apart from the issue of battery light on but alternator is charging, you might encounter quite a number of problems with your battery or your alternator that is causing your car slow to start. Dec 31, 2020 · The car battery is a vital component that provides the vehicle with the necessary power to run on the road. Apart from the issue of battery light on but alternator is charging, you might encounter quite a number of problems with your battery or your alternator that is causing your car slow to start. Mar 28, 2005 · well, i do need new drive belt, its kinda cracking on the serpentine side but its not slipping...yet (the one that runs from the alternator to the A/C to the tensioner and finally to the engine); however, the alternator is putting out 14.0V at idle and it tested out ok when my uncle brought over a portable charging system tester from the auto parts store he works at. This car has been running fine (other than what's mentioned above) for 3 months now. We even left it sitting for almost 2 weeks, and it started up. I have cleaned the battery connections. I have played with the connections on the alternator and it did nothing to the battery light. ... When I got back into the car the battery light was off and ...One possibility, and usually the most common of course is that the alternator has failed, and you are running on your battery. Yes your car has still started so far, if the alternator isn't charging, you will end up with a car that won't start, or worse yet quits on you while you are driving in the very near future.That light is often indicative of a bad alternator, but not always. Basically all it means is that you have a low voltage, which is most often caused by either the battery or the alternator. If the battery is bad, the alternator voltage will not get high enough. It could also be the wires. Tighten the Battery Clamps. At times, the battery light remains on due to a weak connection between the car battery and the cables that connect to it. Ensure the clamps fastened to the battery terminals. In case you notice the clamps are loose, then use a small wrench to tighten them until they completely cover the terminals. The car battery is ... Nov 20, 2012 · Joined Aug 15, 2012. 422 Posts. #5 · Nov 21, 2012. SoCal2V said: Weak battery and poor connection at the terminals (dirty, corroded). That 'click' is very telling. Take the clamps off, clean the posts and the clamps with a wire brush, snadpaper or whatever and put it all back together. In your case the light is turned on/off by the ECM when it sees the alternator changing the system voltage to above battery voltage. The battery terminal outputs to the fuse box and starter and battery. Also it needs a good ground. So you would check the negative battery cable connections and the engine to body ground connection.Air Bag Light, Brake Light, & ABS Light came on in the dashboard. Check and see if your alternator is charging. Low voltage will cause those lights to come on, as the computer is shutting down. To check your alternator you will need a volt meter... WITH the engine running you should have about 14 volts coming out. Nov 27, 2017 · Monday 27th November 2017. Charging light is battery backed. In other words it has 12v sitting behind it.....so when there is nothing on the field coils of the alt it will glow, as the Alt starts ... One possibility, and usually the most common of course is that the alternator has failed, and you are running on your battery. Yes your car has still started so far, if the alternator isn't charging, you will end up with a car that won't start, or worse yet quits on you while you are driving in the very near future.Feb 02, 2021 · Bad Wiring. The wiring that comes out of the battery could be damaged or frayed. Such a condition interrupts the flow of electricity and triggers the battery warning light. Changing the wires will make the light go off. 4. Bad Battery Cable. Another possibility of battery light on in car is the bad battery cable. Measure the voltage at the battery with the engine RUNNING. You should see a reading of 13.8~14.2 volts. The "BATT" light indicates simply that more power is flowing FROM the battery than TO it. Sure it runs fine.....for now. Stuck on the side of the road in a rainstorm at 3am IS looming on the not too distant horizon however.Mar 28, 2005 · well, i do need new drive belt, its kinda cracking on the serpentine side but its not slipping...yet (the one that runs from the alternator to the A/C to the tensioner and finally to the engine); however, the alternator is putting out 14.0V at idle and it tested out ok when my uncle brought over a portable charging system tester from the auto parts store he works at. Sep 29, 2018 · When the Battery Light Comes On . This light comes on when your alternator is not making electricity and the car is running off of battery power alone. You can drive a short distance on the battery, especially if you turn off most of your car's electrical items (like the radio, air conditioning, etc.), but there's no way to know how far you'll get before it dies. The whole purpose of the check engine light is to illuminate whenever there is a problem. These problems can range from faults within the electrical system, the engine, fluid levels or to problems within the car's emissions system. The problem can even be as simple as forgetting to tighten your gas cap - in fact, this is the most common ...Mar 30, 2011 · Start the car, take off the positive battery cable. If the car dies your alt is toast, if it stays running your alt is fine. Could be a regulator also going out. Check those. this is a good way to "Wipe Out" a Regulator! But It is a way to tell.. If You need To go with this Test Method I would Dis-connect Ground cable. The short story is everything tests good however the battery light is on and will not go off. I tried several alternators, one being new, and put in a new battery and a new belt. I have a 2004 Toyota Matrix XR. Several days ago my battery light started blinking on. It would only occasionally flicker on then off and it was mostly off. A day after that it started to go on and off more regularly ...Mar 30, 2011 · Start the car, take off the positive battery cable. If the car dies your alt is toast, if it stays running your alt is fine. Could be a regulator also going out. Check those. this is a good way to "Wipe Out" a Regulator! But It is a way to tell.. If You need To go with this Test Method I would Dis-connect Ground cable. Dec 02, 2019 · A typical alternator. A bad alternator will usually make itself known when the engine is already running. If you see your Mariner’s battery light turns on while the engine is already running, that is a strong indication that the alternator is no longer providing enough wattage to power the various electrical systems and charge the battery at the same time. Jun 30, 2022 · Disconnect the negative battery cable. 5. Touch a lead to the negative battery cable terminal. Touch the other lead to the negative battery post, completing the circuit within the multimeter, which will display the amp draw. 6. Power draw should be under 50 milliamps. This will display as 0.05 amps. Feb 20, 2014 · After starting the car and the battery light is off simply put the positive lead of your meter to the positive side of the battery and the negative lead of your meter to the negative side of the battery. If it is charging you should see anywhere between 13-15 volts, any lower than 13 volts and you are not charging and anything above 15 volts ... Possible Causes Why Light Is on but Alternator Is Charging. 1. Dirty or Corroded Battery Terminals. When the battery terminals are corroded or stained, charging will not proceed correctly. When you observe a green or white material on the terminals or the battery’s top, this could be the cause of why the battery light is on. Solution. The battery light comes on when you start your car, and it might linger for a second or two, but it usually turns off pretty quickly. If it stays on while the car is running, it probably means there's something wrong with the alternator. It could also mean there is a minor problem with the battery like corrosion.May 25, 2016 · Part 1 of 3: React to the battery light. When you first turn on your car with the engine off, the battery light will illuminate and this is normal. If the battery light comes on while the engine is running and the vehicle is being driven, this indicates a problem with the charging system. Step 1: Turn off everything that draws power. If the ... Tighten the Battery Clamps. At times, the battery light remains on due to a weak connection between the car battery and the cables that connect to it. Ensure the clamps fastened to the battery terminals. In case you notice the clamps are loose, then use a small wrench to tighten them until they completely cover the terminals. The car battery is ...Apr 03, 2015 · Joined May 16, 2011. 2 Posts. #4 · Jul 28, 2015. Battery light on - battery and alternator voltage ok. I have a 2004 Pilot EX with 65,000 miles. The Battery light goes on when the car is started and is running. Voltmeter shows across battery terminals: 14.2 V when engine is running; 12.8V when engine not running. Jun 08, 2019 · 12.2v is low. Battery voltage should be around 12.6v. When the alternator is charging it should be 13.5-14.5v. I've seen the intermittent battery light when high loads are placed on the alternator like both AC units, radio, etc. Then when loads are reduced the battery light goes out. Checking the voltage with the battery light on is the key here. Jun 30, 2022 · Disconnect the negative battery cable. 5. Touch a lead to the negative battery cable terminal. Touch the other lead to the negative battery post, completing the circuit within the multimeter, which will display the amp draw. 6. Power draw should be under 50 milliamps. This will display as 0.05 amps. Apr 03, 2015 · Joined May 16, 2011. 2 Posts. #4 · Jul 28, 2015. Battery light on - battery and alternator voltage ok. I have a 2004 Pilot EX with 65,000 miles. The Battery light goes on when the car is started and is running. Voltmeter shows across battery terminals: 14.2 V when engine is running; 12.8V when engine not running. Doesn't start, turn key and light's go out and nothing happens new battery starter good, alternate good new ignition switch ,can jump the 60 amp fuse and motor turns over but will not stay running wha …Feb 12, 2015 · A battery is vital to your car or truck, as it provides power to the starter and electrical system when the car is not running. Signs the Battery is Dead: When you attempt to start the car, there is a low whining sound. If jump starting gets your engine started and running, but the car will not start again once you turn it off, the battery is ... The short story is everything tests good however the battery light is on and will not go off. I tried several alternators, one being new, and put in a new battery and a new belt. I have a 2004 Toyota Matrix XR. Several days ago my battery light started blinking on. It would only occasionally flicker on then off and it was mostly off. A day after that it started to go on and off more regularly ...Nov 17, 2009 · ok so i took the plug off and examined it again and it looks fine, but when i plugged it back in and started the car it was running 14.9v at idle and takes a couple of volts off the battery, cruising around it runs 15.0v and the battery is full, and also i jus installled a new duralast battery yesterday.....is it bad that it runs at 15.0v Nov 20, 2012 · Joined Aug 15, 2012. 422 Posts. #5 · Nov 21, 2012. SoCal2V said: Weak battery and poor connection at the terminals (dirty, corroded). That 'click' is very telling. Take the clamps off, clean the posts and the clamps with a wire brush, snadpaper or whatever and put it all back together. Possible Causes Why Light Is on but Alternator Is Charging. 1. Dirty or Corroded Battery Terminals. When the battery terminals are corroded or stained, charging will not proceed correctly. When you observe a green or white material on the terminals or the battery’s top, this could be the cause of why the battery light is on. Solution. If you notice lots of grime on the battery terminals, remove the battery covers, disconnect the battery cables, and wash it gently away with a rag, soap, and water. Make sure the cable clamps are tight: If the connection between the battery and the cables that are attached to it are loose, it can cause the battery light to come on.May 18, 2008 · Hi. I have just been abroad for a week and left my Mini Cooper parked on the driveway. I have just driven it to work and the power steering has failed, meaning the car was like a tank to park! The battery light also came on and the clock display has disappeared so obviously it would seem they are connected. The car has done around 83,000 miles ... Apr 03, 2022 · The most common reason for a car battery light on while driving is a broken auxiliary or serpentine belt. It can also be because of a faulty or worn alternator or the wirings to it. In rare cases, a faulty dash cluster or a bad car battery is to blame. There are actually quite many things that can cause your car battery light to come on. Mar 31, 2017 · My 2003 Honda Civic EX is experiencing an issue which causes the battery (alternator/charging system) light to occasionally come on for less than a second. The car starts, runs, and drives fine without any noticeable dimming of lights or odd noises when the battery light flashes. Apr 03, 2022 · The most common reason for a car battery light on while driving is a broken auxiliary or serpentine belt. It can also be because of a faulty or worn alternator or the wirings to it. In rare cases, a faulty dash cluster or a bad car battery is to blame. There are actually quite many things that can cause your car battery light to come on. Feb 12, 2015 · A battery is vital to your car or truck, as it provides power to the starter and electrical system when the car is not running. Signs the Battery is Dead: When you attempt to start the car, there is a low whining sound. If jump starting gets your engine started and running, but the car will not start again once you turn it off, the battery is ... Possible Causes Why Light Is on but Alternator Is Charging. 1. Dirty or Corroded Battery Terminals. When the battery terminals are corroded or stained, charging will not proceed correctly. When you observe a green or white material on the terminals or the battery’s top, this could be the cause of why the battery light is on. Solution. Jan 09, 2009 · With the car still running i pulled the negative cable off the battery terminal and it kept running, so that means the alternator is charging, and suprisingly the battery and brake light went off. I put the terminal back unto the battery and the car labored alittle and the lights came back on again WTF!!!. Doesn't start, turn key and light's go out and nothing happens new battery starter good, alternate good new ignition switch ,can jump the 60 amp fuse and motor turns over but will not stay running wha …Jun 20, 2019 · The short story is everything tests good however the battery light is on and will not go off. I tried several alternators, one being new, and put in a new battery and a new belt. I have a 2004 Toyota Matrix XR. Several days ago my battery light started blinking on. It would only occasionally flicker on then off and it was mostly off. A day after that it started to go on and off more regularly ... Oct 27, 2021 · Cause #3: Extreme temperature. Cold weather can affect your car battery even you leave it just for a night. When a car battery is left in the cold for hours, the chemical reactions within the battery will be slowed down. Leaving the car battery in the cold for a longer time will cause the chemical reactions to stop completely. May 04, 2017 · May 4, 2017. CARS.COM — If the battery warning light (a light in the shape of a battery symbol) on the dashboard comes on while you’re driving, that means the charging system isn’t working ... Jun 30, 2022 · Disconnect the negative battery cable. 5. Touch a lead to the negative battery cable terminal. Touch the other lead to the negative battery post, completing the circuit within the multimeter, which will display the amp draw. 6. Power draw should be under 50 milliamps. This will display as 0.05 amps. One possibility, and usually the most common of course is that the alternator has failed, and you are running on your battery. Yes your car has still started so far, if the alternator isn't charging, you will end up with a car that won't start, or worse yet quits on you while you are driving in the very near future. Mar 31, 2017 · My 2003 Honda Civic EX is experiencing an issue which causes the battery (alternator/charging system) light to occasionally come on for less than a second. The car starts, runs, and drives fine without any noticeable dimming of lights or odd noises when the battery light flashes. Oct 31, 2020 · Slow to Start. If your car struggles to start but runs fine, this is a sign of a battery issue that can enhance the car’s performance issues. As you know by now, the battery is responsible for producing the power to start the car. If the power is not in the battery, then the car battery will show 3.12 volts, and the car will not start. Once the car is running, the alternator sends current back to recharge the battery as you drive. It supplies power for your car’s electronics when you’re underway and makes sure the right amount of charge goes back to the battery. If Your Car Won’t Start. The common signs above should help pinpoint what exactly is going wrong. Feb 20, 2014 · After starting the car and the battery light is off simply put the positive lead of your meter to the positive side of the battery and the negative lead of your meter to the negative side of the battery. If it is charging you should see anywhere between 13-15 volts, any lower than 13 volts and you are not charging and anything above 15 volts ... Dec 07, 2012 · GXYWADY Front Bumper Fog Light Assembly Built-in LED Fog Lights Replacement for Toyota Corolla 2019-2021 Hatchback (OE Style Clear Lens with Switch, Bezels, Wires) $100.69. Hooke Road Tacoma Overhead MOLLE Panel Storage Compatible with Toyota Tacoma 2005-2015 2nd Gen Double Cab 4-door Pickup Trucks. $109.99. Jun 08, 2019 · 12.2v is low. Battery voltage should be around 12.6v. When the alternator is charging it should be 13.5-14.5v. I've seen the intermittent battery light when high loads are placed on the alternator like both AC units, radio, etc. Then when loads are reduced the battery light goes out. Checking the voltage with the battery light on is the key here. Feb 20, 2014 · After starting the car and the battery light is off simply put the positive lead of your meter to the positive side of the battery and the negative lead of your meter to the negative side of the battery. If it is charging you should see anywhere between 13-15 volts, any lower than 13 volts and you are not charging and anything above 15 volts ... Sep 30, 2020 · You are better to use a voltmeter, and measure the voltage at the battery when the car is off and when it’s running. In simple terms, if the voltage is higher when the car is running, then the alternator is providing at least some energy back to the battery, but that doesn’t mean that it’s working optimally. Jan 09, 2009 · With the car still running i pulled the negative cable off the battery terminal and it kept running, so that means the alternator is charging, and suprisingly the battery and brake light went off. I put the terminal back unto the battery and the car labored alittle and the lights came back on again WTF!!!. Dec 31, 2020 · The car battery is a vital component that provides the vehicle with the necessary power to run on the road. Apart from the issue of battery light on but alternator is charging, you might encounter quite a number of problems with your battery or your alternator that is causing your car slow to start. Aug 25, 2021 · Pop the hood and find the battery, which looks like a small box with 2 wires coming out. Press the black lead of the multimeter tool to the negative battery terminal and the red lead to the positive one. A healthy battery should read 12.6 volts. [10] Since your battery light came on, the reading will probably be lower. Apr 12, 2021 · Here are a few issues that could trigger an illuminated car battery light: Bad alternator. Damaged battery. Broken alternator belt. Loose serpentine belt. Voltage regulator problem – the voltage regulator is a component that works with the alternator to help ensure that the car has adequate power. Loose battery cable. First things first: if the battery light comes on in your car when you turn it on, you probably have nothing to worry about. Sometimes the battery light will come on when you start your car, but then the light will quickly flick off. If this is the case, pay it no mind. Second, the battery light is probably one of the most misunderstood lights in your vehicle because most people immediately assume it means your battery is bad. Turning your vehicle may result in a few different events, all of which will cause the car battery indicator light to illuminate (unless your car is completely dead). The most common of which will result in a constant clicking noise which will display some action from the dashboard's needles and lights to begin illuminating. The Battery Light is OnBasically, if you see the battery light on in your car when it is running, you shouldn't expect to be able to drive it for very long. Think of it like unplugging your cell phone from your wall charger. If you leave it plugged in, your phone will last indefinitely on 100% charge. Unplug it, and you're on battery power.Why VE Commodore Check Engine Light turns on. Faulty Oil Sensor: This is an easy fix and something you could do yourself if you have an OBD2 scan tool to check it. Battery Not Fully Charged: This can cause many problems with your cars checking system. Tyre Pressure Low: Pump up the tyres (very easy to do). If it is just your check engine light ... Feb 12, 2015 · A battery is vital to your car or truck, as it provides power to the starter and electrical system when the car is not running. Signs the Battery is Dead: When you attempt to start the car, there is a low whining sound. If jump starting gets your engine started and running, but the car will not start again once you turn it off, the battery is ... Jun 24, 2022 · As a result, your battery will run flat and your car will shut off. To check this, you will need a voltmeter to test your battery’s volt. A healthy battery should read at least 12.4 volts when the car is off. If you’re lucky and the car can start, a running car with a healthy alternator should register at least 14 volts. If you notice lots of grime on the battery terminals, remove the battery covers, disconnect the battery cables, and wash it gently away with a rag, soap, and water. Make sure the cable clamps are tight: If the connection between the battery and the cables that are attached to it are loose, it can cause the battery light to come on.Aug 25, 2021 · Pop the hood and find the battery, which looks like a small box with 2 wires coming out. Press the black lead of the multimeter tool to the negative battery terminal and the red lead to the positive one. A healthy battery should read 12.6 volts. [10] Since your battery light came on, the reading will probably be lower. Jun 20, 2019 · The short story is everything tests good however the battery light is on and will not go off. I tried several alternators, one being new, and put in a new battery and a new belt. I have a 2004 Toyota Matrix XR. Several days ago my battery light started blinking on. It would only occasionally flicker on then off and it was mostly off. A day after that it started to go on and off more regularly ... Aug 15, 2005 · Start the car and the battery light blinks a couple of times and then comes on solid. But, I'm seeing 14 volts at the positive battery terminal. I unlocked the OBC, and the computer is registering 13.7 volts at idle. Fire up every accessory in the car plus the headlights and it'll sag to 12.9 volts, but then recovers to 13.6 in about two seconds. Read more. When you turn the car on, its dashboard briefly lights up like an overcrowded fast-food menu. An array of illuminated numbers, letters, indicators, read-outs, and symbols flash and ...Why VE Commodore Check Engine Light turns on. Faulty Oil Sensor: This is an easy fix and something you could do yourself if you have an OBD2 scan tool to check it. Battery Not Fully Charged: This can cause many problems with your cars checking system. Tyre Pressure Low: Pump up the tyres (very easy to do). If it is just your check engine light ... The battery light or charging warning light, available on the dashboard of your car, indicates malfunctioning or poor charging of the battery. This light illuminates whenever the charging system does not charge the battery with... by Ian Swan on May 25, 2016 Battery Light is on Inspection Cost Service Location SELECT YOUR VEHICLE $94.99 - $114.99Aug 25, 2021 · Pop the hood and find the battery, which looks like a small box with 2 wires coming out. Press the black lead of the multimeter tool to the negative battery terminal and the red lead to the positive one. A healthy battery should read 12.6 volts. [10] Since your battery light came on, the reading will probably be lower. Sep 29, 2018 · When the Battery Light Comes On . This light comes on when your alternator is not making electricity and the car is running off of battery power alone. You can drive a short distance on the battery, especially if you turn off most of your car's electrical items (like the radio, air conditioning, etc.), but there's no way to know how far you'll get before it dies. Turning your vehicle may result in a few different events, all of which will cause the car battery indicator light to illuminate (unless your car is completely dead). The most common of which will result in a constant clicking noise which will display some action from the dashboard's needles and lights to begin illuminating. The Battery Light is OnSep 28, 2020 · Improper Air to Fuel Ratio. An imbalanced air to fuel ratio in your engine can lead to the cylinder misfiring and weak car battery symptoms in your vehicle. If the air to fuel ratio is off within the engine, this leads to the wrong timing of internal combustion. If there is too much fuel or too much air in the engine, then the imbalanced ratio ... Sep 11, 2020 · Bad Connections. Corrosion. Parasitic Drain. Other Battery Problems. Driving With a Dead Battery. Checking a Charging System at Home. Keeping Your Battery From Dying. When your car battery dies once, it may be tempting to just write it off as a fluke. Car batteries can die for a huge range of different reasons, and there’s always the chance ... That light is often indicative of a bad alternator, but not always. Basically all it means is that you have a low voltage, which is most often caused by either the battery or the alternator. If the battery is bad, the alternator voltage will not get high enough. It could also be the wires.