blows fuse that goes to coil

1986 ISUZU TRUCK
150,000 MILES
Avatar
SCOTTPAFF
  • MEMBER
  • 10 POSTS
truck runs fine if you unplug 2 wire connector from altenator. when pluged back in, 2 seconds later it blows fuse.is it probably a short? if so where do i start looking?
Feb 8, 2012 at 2:47 AM
Advertisement
Avatar
ASEMASTER6371
  • ✓ASE Certified Mechanic
  • 52,796 POSTS
  • ASE Certified Mechanic
it looks like you have a short in the alternator. have a shop verify it.

Roy
Feb 8, 2012 at 3:05 AM
Avatar
SCOTTPAFF
  • MEMBER
  • 10 POSTS
put a new alternator, new ignition switch and new voltage regulator and still have same problem
Feb 8, 2012 at 5:15 PM
Avatar
ASEMASTER6371
  • ✓ASE Certified Mechanic
  • 52,796 POSTS
  • ASE Certified Mechanic
nned to examine the wiring. one of them may be shorted to ground against something metal.

Roy
Feb 8, 2012 at 5:20 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.