Question about 1985 Oldsmobile Delta 88

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1985 olds delta88 5.0 4bbl

Car stopped and nearly everything electrical not working. Battery has over 12 volts. Headlights work. Power windows and domelights dont work. No clicking. Headlights do not dim when trying to start.

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You have blown a fusible link at the starter, a wire that is hooked on the starter alnong with your positive lead from battery

Posted on May 31, 2009


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I had a similar problem with a Ford F350 diesel truck where the truck when started would cycle off and on until it settled down then ran steady. Finally it hadn't power to anything. I found that there are two heavy 10 gauge wires that lead from the positive terminal of the battery, leading to a connector block, and the terminal was corroded so thin that if finally burnt off resulting in a dead truck. I would check out that same circuit in your Jeep, every car has one, it is a fusible link type or just leads to the main fuse block. There may also be another possibility, and that being a dead short that immediately drains the battery to zero. Check the battery voltage with a voltmeter, if it's at 12 volts, then look elsewhere. From your description though it looks like the first problem.

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How have you determined that the alternator (generator) is working fine?

Whilst the engine is running you need to see if there is at least 12 volts (usually 13.5V) across the battery using a voltmeter or similar tool. Also, whilst the engine is running, what happens when you turn the headlights on? (Does the car stall or try to stall?) This would affect night driving using headlights.

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