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1996 GMC C1500
163,051 MILES • V8 • 2WD • AUTOMATIC
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FRANKIEN
  • MEMBER
  • 1 POST
i have a 1996 gmc 1500 305 motor 2 wheel drive,after about 10 or 15 minutes of driving ia starts to discharge,already had battery and altenator checked,checked the battery connections
Dec 3, 2010 at 11:16 PM
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KHLOW2008
  • ✓Experienced Mechanic
  • 41,812 POSTS
If equipped with harmonic damper, check the damper for slippage which would reduce the alternator turning speed. Symptoms would most likely be coupled with belt squealing or swishing noise.

Dec 4, 2010 at 5:47 AM
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