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By Disposable
Any help before I have to leave the truck at the dealer for a few days would be great.
2017 Silverado
Dual 7 pin and 4 pin connector
Test the 7 pin : 8 volts when grounded to the wiring harness
Test the 4 pin : 7-8 volts when grounded to the wiring hardness
Test the 7 pin : 8 volts when grounded to the Frame
Test the 4 pin : 7-8 volts when grounded to the Frame
7-8 Volts on when testing at the fuse panel under the hood. Grounded to the engine block.
Relay seems good, all 4 fuses are good. Other Fuses like lights, radio and wipers all bring back 12v range.
I am not sure where to go from here. I don't want to miss a ground wire or something.
I did clean and re-attach the ground wire next to the brake controller under the rear of the truck.
Thanks,
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By PotatoFarmRyan
I bought a 2015 2500HD Sierra with regular tow mirrors, recently upgraded to the tow mirrors with the amber front lights. After install, the amber lights only turn on after unlocking the doors and then naturally they time out. Will not turn on as running lights. Any suggestions?
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By JSW.817
I have a 2018 Silverado 4x4 and I replaced the factory fog lights with ones from Diode Dynamics. The new fogs have an amber backlight that I need to tap somewhere to get power. Can anyone help me with a good location for tapping and what color wire to be looking for? I'm thinking of tapping into DRL so they are on at all times during the day.
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By Fred Neal
Hi all. My son has a 2009 GMC Sierra 1500 with the 6.0. we are wondering can we use a engine wiring harness for a 5.3? Also what year range can we use.
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