Chevrolet Repair Questions? Ask a Chevy Mechanic for Answers ASAP
Welcome, I'm Chris (aka Moose) I prefer to work when others don't, I am here around lunch and after dinner till after midnight.working after noon till just after midnight.
Will the car start?
Do you own a volt meter?
While running what is the battery voltage at idle?
Turn on the headlights, wipers, and blower, what is the voltage now?
Its not charging. Your charging system is module controlled. Below is a link to the wire diagram and the description on how the system works. Is there anyway you can get it scanned to see which codes are stored so I can get you those diagnostic steps?
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All replacement alternators are rebuilt even if they say new. The quality of how it is rebuilt is in question. Most parts store starters and alternators are rebuilt poorly and not to the standards of a rebuilt alternator from the the dealer.