Pontiac Grand Prix

How much charge should the alternator on a 1992 grand prix put out?

111213

Answer

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Wiki User
06/20/2007

Anything below 13 would not be holding enough charge but anything over 16 too much. So between 16 and 13. If you are at a smack dab 18 than it is over charging your battery. Hope this helps! I have a 93 Grand Prix