View Single Post
Old 11-09-2015, 10:15 AM   #8
70gmc4d
Registered User
 
Join Date: Oct 2015
Location: Billings, mt
Posts: 5
Re: Color Wiring Diagram FINISHED

Quote:
Originally Posted by 70gmc4d View Post
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!
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.
70gmc4d is offline   Reply With Quote