getting the codes

1988 CHEVROLET TRUCK
250,000 MILES • 5.7L • V8 • 4WD • AUTOMATIC
Avatar
RANBO
  • MEMBER
  • 1 POST
I hook a computer up to check the codes (the check engine light is on) but the truck won't power up the computer to tell me codes why will it not power up??
Jan 11, 2016 at 1:18 AM
Advertisement
Avatar
WRENCHTECH
  • CERTIFIED EXPERT
  • 20,761 POSTS
Test all your fuses with a test light.
Jan 11, 2016 at 2:11 AM