Question about 1991 GMC Sierra

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1998 GMC Sierra Signal Fuse Blowing

Hello,

I have a '98 GMC Sierra 1500 4X4 that keeps blowing the fuse (20A) in the circuit that controls the turn signals, back up lights, and brake/shift interlock. The hazard lights still work so the flasher relay is ok.

Any thoughts as to what I should be looking for?

Thanks!

Jim

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Have you done any trailer wiring or drilling on the body? also check the flasher unit.

Posted on Mar 13, 2013

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It seems you have a short in either one of the lights or interlock. all are connected to the same fuse. trace the wiring from the fuse box back to the component. Using a test light test in between the wires. check for any obvious breaks in the wiring.

Posted on Dec 06, 2008

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