Question about 2001 Chevrolet Cavalier
Causes of excessive current drain in late model vehicles include things like lights that remain on (trunk and hood lights, interior lights, brake lights, etc.) and also relays that may be stuck on, or modules that are not going to sleep or powering down.
A fuel pump relay that sticks on may keep the fuel pump running after the engine is shut off. A switch or relay that powers a rear window defogger can stick on, pulling current from the battery after the ignition is off. An electronic suspension module, abs module or keyless entry module may remain active long after it should have powered down.
An accessory such as a DVD player, game console or cell phone charger left plugged into a rear seat power receptacle may be pulling power from the battery. So before you spend a lot of time trying to figure out where the amps are disappearing, check all of the vehicle's power receptacles to see if something is plugged in that may be using power. The battery can be checked with a voltmeter using the aMp selection. 50 amps is to high. A mechanic can help you with this procedure.
Posted on Nov 16, 2008
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Posted on Jan 02, 2017
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