Posted by Bob M on March 30, 2012 at 16:46:35 from (65.110.154.2):
In Reply to: ? FOR BOB M posted by S2710 on March 30, 2012 at 13:48:27:
Inserting the diode in the line between the ign switch and alternator terminal #1 will cure the running-on problem.
But adding the diode won't solve battery drain issue. Assuming you've wired the alternator correctly, problem has gotta be either a failed output diode or a bad internal voltage regulator.
Recommend taking the alternator to NAPA or equivalent and put it on their test stand (it's free!) to identify the problem.
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