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Alternator/battery issues

Tiny
HERBERT BELL
  • MEMBER
  • 2007 GMC SIERRA
  • 4.8L
  • V8
  • AUTOMATIC
  • 202,000 MILES
Brand new alternator draining battery. The alternator is also getting overheated. If I let the truck rest overnight it will start the next morning but will fail again.
Wednesday, July 5th, 2017 AT 1:35 PM

1 Reply

Tiny
KEN L
  • MASTER CERTIFIED MECHANIC
  • 47,625 POSTS
Hello,

Is sound like you have a bad battery run this test to confirm.

https://www.2carpros.com/articles/car-battery-load-test

Please run this test and get back to us we are interested to see what it is.

Cheers, Ken

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Friday, July 7th, 2017 AT 12:51 PM

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