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1990 GMC C1500

Tiny
MNO221
  • MEMBER
  • 1990 GMC C1500
  • V8
  • 2WD
  • AUTOMATIC
  • 269,000 MILES
When I started my truck smoke and a burning smell came from under the dash. After examining I found two wire that was touching, tape them up, but now when I turn the ignition to start the truck nothing happen. It don't trun over or nothing. Help!
Saturday, July 10th, 2010 AT 2:29 PM

2 Replies

Tiny
INTERNETMECHANIC
  • MECHANIC
  • 700 POSTS
The purple wire at the starter solenoid should be hot with the key in the crank position, if not, check voltage feed to and from the ignition. The two red wires carry voltage to the switch, they should be hot all the time, if not, backtrack the circuit. Thanks for the donation.


https://www.2carpros.com/forum/automotive_pictures/512072_gmc_starter_circuit_2.jpg

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Saturday, July 10th, 2010 AT 3:38 PM
Tiny
MNO221
  • MEMBER
  • 49 POSTS
Check the ppl wire and it not hot, trace it from the soleniod to the switch and there is not burn wires is there a switch that may have burn out.
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Monday, July 12th, 2010 AT 8:25 AM

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