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First thing is the battery itself. It it has a dead cell it will self-discharge overnight. So have the battery tested to make sure it is good. Secondly is that there is something on pulling power from the battery. Dome, under hood, glove box, trunk, or curtorsey light. You can also have a relay that is sticking.
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Does a cell phone plugged into a car port drain the battery after the car is turned off?
If the outlet is powered with the key off, then yes it will slowly drain the battery.
Do headlights drain battery?
Yes, headlights drain battery power, but it is only major if you leave them on when you turn the car off, because the car might not start up after a bit.
Why would the negative ground drain the battery when car is off?
Because if you reversed the polarity at the battery it would blow the fuse through which current flows to the drain.
How quickly will a car radio drain the battery?
I've just installed a new car radio, and even though it is switched off (and the face has been removed) with the rest of the car completely off, the battery is flat 2 days later. You have a dead cell in the battery or something else is on draining the battery. A radio that is not on will not drain a battery in 2 days or even 2 weeks.
What could cause the battery to drain when the car is off?
Dead cell in the battery or something is on pulling power from the battery. If it is a dead cell the battery must be replaced.
Can the cigarette lighter drain a car battery if it is stuck in and the car is off?
Yes it can, especially on older cars that aren't equipped with a battery saver program on board.
Can a starter solenoid drain a battery?
Yes, a starter solenoid can drain a battery. When a starter solenoid is not working properly it can actually keep rotating the starter after the car's ignition is turned off. Since it requires a battery to actuate the starter, the battery will eventually be drained of power.
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.
How can you listen to drive in theatre through car radio with engine off?
Turn your key to accessory, but watch out, it will drain your battery
What can drain a battery if the engine and all lights are shut off?
A stuck relay in the car can drain the battery. A dead cell in the battery itself will drain the battery overnight. If this is the case the battery must be replaced as there is no way to fix it. To find out disconnect the negative battery cable for around 8 hours. If the battery goes dead it has a dead cell. If not then something is draining the battery. Anyplace that sells batteries can test the battery for you.
What would cause 2000 Chrysler Town and Country Battery to drain quickly after turning off ignition?
Use of the side and rear hatch doors have a dramatic drain on the battery. We have found that whenever we go on trips, or camping, where the doors are frequently opened and closed, the car the battery will drain. So far, our only solution is to disconnect the battery when the car will not be driven or charged between frequent door use.
What would drain battery if not being driven?
There's something left in the car that use power even when the engine is off. Can be a dashboard clock, can be the vehicle alarm system, can be the stereo. The battery can also have a dead cell which will drain it overnight.
