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Because the on-board electronics don't think that the battery is getting charged properly.
Normally this means the alternator is defective.
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∙ 12y ago
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How do you ruin a car battery?
Keep the car light on
Can lighting short out a car battery?
The car light? YES! Leaving your car light on WILL make your battery run out. Things like leaving your car door open if the light is on because it is open will cause the lgiht to Mae your car battery run out. There is a big difference between shorted out a car battery and running the battery down. Lighting in itself won't short a battery out but will run it down.
What does it mean when your battery light and airbag light comes on in your car?
the battery light means that your battery is being charged properly. so let it light.
Your battery light is on but your car has a new battery?
The the alternator is defective.
Your battery light is on in your 806 is it a new alternator or battery?
its the alternator if the car is running with a battery light on. but check fuses first
What are two differences between a car battery and a flashlight battery?
there are lots more amps in a car battery eg there about 1.5 in a flash light and in a car battery there about 300 A car battery is a wet cell battery and a flashlight battery is a dry cell battery.
Why does my 1997 mercury tracer car battery light blinks on and off while the car is running?
If your 1997 Mercury Tracer has a battery light that blinks on and off while the car is running, it most likely means that the battery is not charging. This could be an issue with your alternator.
Why does your battery light stay on you put a new battery in it?
That light doesn't mean that your battery needs to be replaced. It means that your battery is not being charged while the car is running. Have your alternator tested.
Your battery light came on soon after that the ABS light came on and now all lights are on you know you need to take the car in do you know in advance what this could be caused by New battery in car?
Reasonable chance of an alternater and/or battery.
Will the ashtray lite in a car that does not lite drain the battery?
If the ashtray light is not working it will not drain the battery.
Why is your battery light flashing on your club car golf cart?
It means you need to charge the battery.
If overhead light left on will it drain car battery?
YES
