Question about 1983 Oldsmobile Delta 88

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My car isnt charging the alternator is good the battery is good i took the alternator off and had it checked and its good i put it back on the car and its not working what can i check now and by the way all my connections r good

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Check the wires going to the alternator, the large red wire should have 12 volt all the time if not check the fusible link at the starter large post..........the small red wire should have 12 volt all the time if not check the small fusible link at starter large post............brown wire should have 12 volt only when the key is in the run position if not check the charge fuse in the fuse box................good luck

Posted on Mar 17, 2011

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Make sure your belts to the alternator are tight. you mentioned that you had the alternator checked out and it was ok, it still sounds like a diode or voltage regulator inside the alternator.

Posted on Mar 17, 2011

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