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2003 GMC Suburban battery not charging sign

Tiny
BLACKSUBURBAN
  • MEMBER
  • 2003 GMC SUBURBAN
  • V8
  • 2WD
  • AUTOMATIC
  • 150,000 MILES
While I was driving my GMC 2003 suberban the battery sign appeared and a sign saying battery not charging and the battery gauge went down to 12, then I continued driving and it went back to 14, after a while it went back to 12 and the sign appeared again, this happened four times and I continued driving, thought it might not appear the next day, but still it did apear again, what do u think the problems is? Please
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Friday, February 6th, 2009 AT 6:43 AM

1 Reply

Tiny
JACOBANDNICKOLAS
  • MECHANIC
  • 109,885 POSTS
Hi:
Either the alternator or the regulator is going bad. The cheapest thing to try is have it checked at a parts store when the light is on. They won't charge anything and it may answer the question.

Does the battery ever go dead overnight?

Joe
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Tuesday, February 17th, 2009 AT 6:50 PM

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