Join Date: Dec 2002
Location: Saint Louis, Missouri
Re: Voltage stuck at 12
Yes, look at the link and post that Al shows. It's something I had answered a while back.
You might also think about getting a volt meter to where you can check things. For instance, the voltage regulator plug has one wire that should show battery voltage, a different one that should show voltage when the key is in the run position, and then the other two go to the two wire connector plug on the back of the alternator. If your volt meter also be switched to be able to check resistances, then you can do further checks on the wiring.
Sometimes too, I have seen a bad voltage regulator and then just from unplugging the connector a connection get's broke or fails to connect into the new regulator and you then have to track down another issue.
1974 Spirit Of America Nova (being restored), 1973 Nova Custom, 1968 Chevy II (Garage Find 2012)
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