What is draining the battery of a 2004 Pontiac Bonneville

Asked by Gregory Jun 05, 2022 at 11:37 AM about the Pontiac Bonneville

Question type: Maintenance & Repair

Battery is constantly draining for no apparent reason?

2 Answers
2,920

VRoom12345 answered 2 years ago

It's caused by an electrical short. You or your mechanic will have to probe each and every circuit to determine which circuit it is, then find the problem on the circuit by then inspecting and probing the wiring and switches. Most times it is a cut, worn wire insulation and or corrosion.

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beatupchevy answered 2 years ago

Search " parasitic drain " Do you have something plugged into the cigarette lighter ?

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