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Defective alternator or voltage regulator. Also possibly the battery is defective with a dead cell.
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∙ 13y ago
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What causes the battery on a 1999 Grand Am to drain to nothing?
something else must be running when the car is off besides the clock.
Could alternator drain battery when car is not running?
If the alternator is installed incorrectly, yes, it can drain the battery.
Does the abs pump drain battery?
If it is running, yes.
What causes a car battery to drain on a mercury sable?
A car battery in any car would drain due to a short in the electrical system.
What are the Common causes of not charging phones?
Waiting for the battery to drain completely to extend battery life.
Could a dead or dying airbag backup battery drain a main battery when the car is not running?
It might
Can a loose positive battery cable prevent the alternator from charging the batter and can it cause a battery drain while the engine is not running?
Yes, a loose battery cable will prevent the alternator from charging the battery. The drain on the battery is not caused by the engine not running unless an accessory is left on. Most likely, the drain is caused by accessories (radio, lights, etc) while the engine is running due to the battery not receiving its charge from the alternator and then not having enough charge left to start the engine.
Does leaving the car on but not driving it anywhere drain the battery?
If the engine is running, then no. The alternator constantly keeps the battery charged.
Will the Legacy Car Audio LBP22 Subwoofer drain he battery?
The Legacy subwoofer will really drain your battery. It's not a good idea to run it while you're not running the engine.
Will jump starting a dead truck battery drain a car battery?
If the donor vehicle is running and has a properly functioning alternator, no.
What causes a battery to drain in a 1984 Buick regal?
Dead cell in battery, a light is on somewhere on the vehicle, or a relay is stuck.
Can a cigarette lighter drain the car battery if the car is on?
If the car is on (Ignition is on, engine is running) then no. Nothing should drain the battery when the car is running, there is a device called an alternator with a belt that usually goes around the crankshaft that transforms the mechanical energy into electrical energy. As long as you have the car running, the battery should not die. If so, you have a mechanical problem.
