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Old 08-22-2002, 02:11 PM
DMarble DMarble is offline
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Join Date: Apr 2000
Location: Location: Berthoud, Co. USA
Posts: 76
Help me please jumped started by hooking battery up backwards

Check the diodes in the alternator on your Nissan
I had a car that would whine and the pitch would vary with the RPM. It was one bad diode out of the matrix. Depending on how your regulator is constructed you may be able to replace just the diode.
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