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What could problem be brake lights come on when no one is in car and battery goes dead?
Katysarrow
Usually this is caused by the brake light SWITCH being out of adjustment in relation to the brake pedal arm which pushes on a plunger in the switch to operate it.
Different makes and models of vehicles have different means of mounting and adjusting the brake light switches, so the adjustment will depend on your vehicle.
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∙ 14y ago
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Why is the brake light and battery light on at the same time in my prelude?
The most probable cause of both lights being on at the same time is a malfunction of each system. The brake light may illuminate because of a problem with the ABS unit, or because of low brake fluid. The battery light may illuminate because of a problem with the charging system, such as a malfunctioning alternator or dying battery. It could also be a problem common to both lights, such as a bad ground somewhere or an ECU problem.
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nothing it could just be the tail lights coming on.
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Will a bad brake switch cause the battery to go dead on a 1995 Plymouth voyager?
It could, if the lights are on all the time.
Car will not start but all your gauge lights are flickering?
Could be a battery problem, discharged, dead or dirty/loose battery connections.
