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Batman · 06-08-2007, 05:56 PM

Can't really check the diode, but just throw a voltmeter on the battery, with the car off it should read 12-12.5 volts, with the car running you should get around 14-14.5 volts, much more then that it could be your problem. If it is charging high it is most likely a diode in the alternator, you can re-build or do what I do and just get another.

06-08-2007, 05:56 PM	#5
Batman 11 Second Club Join Date: Jan 2005 Location: Fishkill, NY Posts: 1,278 iTrader: (1)	Can't really check the diode, but just throw a voltmeter on the battery, with the car off it should read 12-12.5 volts, with the car running you should get around 14-14.5 volts, much more then that it could be your problem. If it is charging high it is most likely a diode in the alternator, you can re-build or do what I do and just get another. __________________ -Nick 9/11/01- Never Forget 2002 Pontiac Trans-Am WS6 # 206 Chasing 10's 469RWH/437RWTQ 11.05 @ 123 Last edited by Batman; 06-08-2007 at 05:57 PM.