Quote:
Originally Posted by 70gmc4d
I don't see the three wires to the trany. I see the one green and one black to the reverse switch. My 70 GMC has three wires, dark green and light green to the switch and the black wire I just assume is a ground. But you know what they say about assuming. Thanks for the diagram it helps a ton!
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Just a heads up I'd anyone else had the same issue. I did ground the black wire to the fire wall and when I fired up my truck this weekend the backup lights work awesome.