Have had the same issue of installing a new battery AND a new alternator TWICE and still battery is draining. So the last answer of possibly replacing the alternator is not the issue.

Asked by Oct 18, 2011 at 04:56 PM about the 2000 Cadillac Catera Sport RWD

Question type: Maintenance & Repair

1 Answer

1,325

Well surely its not the alternator, but are you leaving something on inside your car? Headlamps, inside lights.. etc? Might be a bad relay, or the starter is sucking up too much power from the battery.

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