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WILL KEEP YOU POSTED .

THIS IS THE RELAY THAT CONTROLS THE CARGO LIGHTS ON MY 2015 GMC SIERRA SLE , IM GUESSING ALL MODELS ARE SIMILAR . I JUST NEED TO CUT THE WIRE THAT COMES FROM THE COMPUTER AND FIND ONE THAT RUNS POWER TO THE CARGO LIGHT SWITCH (BROWN WIRE /WHITE STRIPE) IS PIN #7 ON THE BACK OF SWITCH. ALSO THIS CIRCUIT BOARD IS BEHIND THE FUSE BOX ON THE RIGHT SIDE(PASSENGER DOOR) , BROW/WHITE WIRE IS THE ONE THE CUTS POWER TO RELAY.

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