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My alternator is not working, however it tested perfect on a machine. Is there a relay or fuse somewhere that could be blown? I have checked all the fuses, and none are blown.

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Hi, it depends on the car, but the car must supply the excite signal for the alternator to work. This could be a wiring issue or maybe a bad fusible link. Can you tell me your model, year and engine size?

Posted on Mar 25, 2011

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Could be that the volt regulator on the alternator is gone. This is a small square piece on the alternator and easily replaced for about 20$ depending on model. Did you have a complete AVR performed to test all the charging components of the car?

Feedback appreciated.

Posted on Mar 25, 2011


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