GMC Sierra Questions Maintenance & Repair
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all lights on the truck work. when I hook up the cable to my old truck, all the trailer lights function. when checking with a continuity light, there is power to the terminal to the left side, but ...
NO Speedometer and wont shift outta low gear!!
the lights on my 1990 GMC pickup not working
I have easily determined which alternator for an '03 silverado by the service parts identification codes in the glove box. Not finding that for the GMC. Any suggestions?
I already rewired some stuff but just lost and need advice
rear turn signals and brake lights don't work. no power in yellow wire all the way to the firewall. everything under dash works right, looks right, indicator lights work and front lights work fine.
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