Question about 1989 Oldsmobile Cutlass Supreme

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89 cutlass has a power drain somewhere how do I find out exactly where

There is a major power drain that kills the battery. Battery has to be unplugged when the car is off or it has to be boosted. Any idea where to start looking for the cause of this problem.

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The first place to look is the battery cables themselves, make sure that the positive cable has not rubbed off part of the insulation and grounded itself to the frame, if that happens, the area will become corroded, and leak charge to ground, the natural destination for electricity. This is about 80% likely to be your problem, with the key in the off position, very few things maintain a power feed to be able to drain your batt, unless it is something aftermarket, such as some boom in your trunk, an amp will do that every time. Take the constantly powered fuses out, replace the expendable ones one at a time until you find the gremlin, keeping in mind if you completely drain your battery a few times, it is no more good, feel me?

Posted on Oct 15, 2008

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http://www.xcardiag.com/wholesale/automotive-battery-analyser-vat-560-tool-536.html

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