1990 gmc k1500 electrical problems

Asked by Jan 23, 2017 at 07:36 AM about the 1990 Chevrolet C/K 1500 Silverado Standard Cab SB 4WD

Question type: Maintenance & Repair

I have a 1990 k1500 5.7 tbi the truck has no power
in the cab no headlights and no 4 ways as well as
the gages dont work ive check the main power
block on the exterior fire wall and i have power in
there as well as power in the two main silver  fuses
in the interior fuse panel could it be a ground

1 Answer


It very well could be, but its going to take some time and a good wiring diagram to find the bad ground or short..

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