Question about 1989 Oldsmobile Cutlass Supreme
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.
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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Posted on Jan 02, 2017
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Sep 14, 2012 | 1988 Oldsmobile Cutlass Ciera
Yes and that was due to bad installation. I
have had 3 car stereos installed on my 98 RAV4 through Best Buy and never had
battery problems. I even had 2 amps installed as well but the installers had to
make me buy this 200-dollar thing that would not drain the battery.
If you are getting a drain through the
radio's power supply it could eventually drain down the battery if it was
improperly installed, I would pull the fuse for the radio and see if the drain
continues, if the drain does not stop there is another short somewhere. To
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