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Any relay could be the cause.

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11y ago
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Q: What relay could be stuck that would drain a cars battery?
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Can electric seat belt drain car battery?

Yes, if the relay was stuck it would drain the battery.


5 things that could cause an abnormal drain on the battery?

Dead cell in the battery. A light on anywhere on the vehicle. A relay that is stuck. Defective alternator.


What could drain the battery on a 2002 geo prism other than the alternator or starter?

A dead cell in the battery will cause it to loose it's charge overnight. The only fix is to replace the battery. Any light that is staying on will drain the battery. Also a stuck relay will drain the battery.


What reason that cause battery drain?

Dead cell in the battery, any light on the car that is staying on, or a stuck relay.


What could be causing battery drain on your maxima?

Dead cell in the battery itself which requires you replace the battery. Can also be any light on the vehicle that is on pulling power from the battery. It can also be a relay that is stuck closed.


What can cause battery drain on a 1995 mercury marquis?

Dead cell in the battery. Something on which is drawing power from the battery. Stuck relay.


What could constantly drain my battery in a 03 taurus overnight?

Dead cell in the battery which requires a new battery. Something can be on drawing power from the battery. Under-hood, glove box, trunk, dome light, etc. A relay that is stuck will also drain the battery.


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.


What if battery get dead while bat light is off?

Dead cell in the battery, or parasitic drain from a light that is on or a relay that is stuck.


What is a battery drain?

Anything pulling power from the battery or a battery with a dead cell. Can be a dome, trunk, under hood light on, or relay stuck,


Why wont battery hold charge when alternator and battery are new?

There is something on that is pulling power from the battery. Any light or any relay that is stuck will drain the battery.


What would cause a battery to drain on a 62 Lincoln if nothing is on?

If no light is on and no relay is stuck then the battery has a dead cell and needs replacing.