auto

1996 GMC C1500
163,051 MILES • V8 • 2WD • AUTOMATIC
Avatar
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 4, 2010 at 7:16 AM
Advertisement
Avatar
KHLOW2008
  • ✓ASE Certified Mechanic
  • 41,814 POSTS
  • ASE Certified Mechanic
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 1:47 PM
Join 2CarPros for free, one of the most advanced car repair communities on the internet. From first-time drivers to seasoned mechanics, everyone is welcome to reply, share details, and get better answers. You can add a temporary image or video first; uploads are limited to 20 MB.
Ask a Free Question
Repair Safety Notice: This information is for general instructional purposes only. Vehicle repair can be dangerous. Verify all information, follow manufacturer service procedures, use proper tools and safety equipment, and consult a qualified repair shop when needed.