Obd port fix, under hood fuse box ( Cig lighter spot ) 15 amp fuse, if this don’t fix might have loose pins or short ect.

fuse is all connected to cigarette lighter, radio, obd port once replaced should have power unless its wiring issues


Vehicle worked on was a 2003 Chevrolet Silverado 2500hd I’m sure they’re the same for 1500 -2500 & 3500s, 1999 - 2007 same with the Yukons & tahoes hope it help ☮️

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