2002 GMC Sierra Red battery light

2002 GMC SIERRA
125,000 MILES • 3.6L • V8 • 4WD • AUTOMATIC
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JOHN DEVO
  • MEMBER
  • 1 POST
Red battery light goes on & off while driving at lower speeds but stays off at speeds over 65 mph
Jun 16, 2015 at 7:13 AM
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HMAC300
  • CERTIFIED EXPERT
  • 48,601 POSTS
check belt and tensioner first recommended replacement is 60 k for both. make sure terminal ends are clean.
Jun 16, 2015 at 8:12 AM