the alternator voltage drops from 14V. to 12V. It takes about 2 minutes for it to start charging again .I have a new alternator & a new battery.What can be causing this problem.
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1999 Pontiac Firebird Question: When I have the lights on & I place the car ( 1999 Firebird)on reverse
COULD BE A REGULATOR ISSUE IN ALT. WHERE DID YOU PRCHASE R/B ALT
Replypoebird, April 17, 2012, 15:51Rookie
I purchased alternator at Autozone.
Replyglobalhelper, April 17, 2012, 16:10Master
THAT COULD BE THE PROBLEM, THEY SELL R/B ALT BUT THERE ALT ONLY HAS THE NECESSARY PARTS REPL THAT TEST BAD NOT EVERYTHING. IT COULD BE A WEAK REGULATOR STILL