2005 Pontiac Grand Prix Alternator

2005 PONTIAC GRAND PRIX
180,000 MILES • 6 CYL • FWD • AUTOMATIC
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JOHUM
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hello,
I have grand prix 2005, light come on for charging system faliur. I went to GM and they diagnose that i need to change my alternator. But i m wondering if thier is a problem with alternator so y i m not getting problem while starting my car. my charges really well..even while starting my car my doeant even take long sulf. Do u think it's alternator or what?

I am still driving my car about more than 2 weeks after they diagnoses. I don't think so if problem is with alternator? i have sound system installed in my car with big capacitor... it it the reason to week my alternator? Please help me out
Feb 21, 2009 at 4:37 PM
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RASMATAZ
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Could be the generator turn signal on the computer
Feb 21, 2009 at 4:51 PM