1993 GMC C1500 4 wheel drive

1993 GMC C1500
157,000 MILES • V8 • 4WD • AUTOMATIC
Avatar
TICKS
  • MEMBER
  • 1 POST
When I shift to 4 wheel the front diff doesn't lock in I used an ohm meter on the sensor in the front diff and it show continiuty. checking the wires leading to the sensor I show no voltage, using a vdc meter do I insert the leads into each wire end to check or do I need to ground the black lead. Thanks
Jun 26, 2010 at 12:21 PM
Advertisement
Avatar
HMAC300
  • ✓ASE Certified Mechanic
  • 48,601 POSTS
  • ASE Certified Mechanic
just grounding your vom on the truck should do fine.
Jul 11, 2010 at 4:05 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.