Question about 1994 Oldsmobile Cutlass Supreme

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1994 cutlass supreme 3.1. headlight flicker

Hi, again. ive a 1994 cutlass supreme 3.1. the headlights are flickering and the dash also..the batterry meter on the dash is reading just over 14v..thanks for ur help

Posted by Anonymous on

  • Anonymous Apr 28, 2010

    thanks,just had the car 1 month.. the battery is only a couple of months old. how would i test the altenator to make sure its not over charging if u dont mind.
    thanks again

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Zaraki

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Assuming that all of the battery connections are clean and tight, there are two common causes for that problem, an internally shorted battery, or a malfunctioning alternator. If your battery is having any problems like going dead over night or needs to be jump started then the battery is most likely the cause of the problem.

It is also possible that both conditions are present because running an internally shorted battery for an extended period of time can cause the alternator to malfunction, and as well running a malfunctioning alternator, especially when it is over charging, can cause an internal short in the battery.

I hope that this information was of any help to you.

Posted on Apr 28, 2010

  • Zaraki Apr 28, 2010

    The alternator might not be over charging, if it is putting out more than 15 volts then it does have a problem over charging, but if the bearings, brushes, or internal regulator are going out inside of the alternator it can also cause the lights to flicker. If you have a mechanics stethoscope you can listen for a loud bearing noise from the rear of the alternator, or if you can safely touch the alternator while it is running you should be able to feel a vibration from the rear of the alternator if the bearings are going out on it.

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Joey Johnson

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Bad fuse panel.or loose main wire in fuse panel

Posted on Apr 28, 2010

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