2006 Pontiac Grand Prix Just Had Battery Replaced Now 15 5 Voltage Being

2006 PONTIAC GRAND PRIX
50,000 MILES
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I just had battery replaced. Now 15.5 Voltage is being output. Everything was fine until I had the battery replaced. May be bad voltage regulator or bad alternator.
Oct 22, 2012 at 6:46 AM
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KHLOW2008
  • ✓Experienced Mechanic
  • 41,812 POSTS
A bad voltage regulator but it is inbuilt to alternator.
Oct 22, 2012 at 7:07 AM
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