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1999 Pontiac Firebird Question: When I have the lights on & I place the car ( 1999 Firebird)on reverse

 

Question

poebird, Hollywood, FL, April 17, 2012, 11:29
 Rookie

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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  • Answer #1

    Greg's Orange Auto (13269 Answers) , Orange, CA - (714) 361-9386
    globalhelper April 17, 2012, 12:40
     Master

    COULD BE A REGULATOR ISSUE IN ALT. WHERE DID YOU PRCHASE R/B ALT

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    poebird, April 17, 2012, 12:51
     Rookie

    I purchased alternator at Autozone.

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    globalhelper, April 17, 2012, 13:10
     Master

    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

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