Question about 1985 Cadillac Fleetwood

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Alternator not powering up at all time

Fuses good, switch good , alternator may charge for a while then back off again i have check everything i know ; alternator shop says the alternator is good

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  • bugman_65606 Mar 21, 2009

    2003 chevy van same promble

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I would take it back and tell the shop to test the diodes. these vital parts are very important and, some shops look over them like they don't matter. From your description on how it is charging, i can safely say the diodes are bad.

Posted on Mar 08, 2009

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