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JCs72C10 05-13-2012 01:25 PM

82 C10 Neutral Safety/Backup Switch Wiring
 
3 Attachment(s)
I need a little help with wiring this switch.

What I know: there are two purple wires that connect the ignition switch, NSS, and the starter (the two pins on the left). I also know the light green wire sends power to the Reverse Lights.

What I don't know: what the hell the blue wire (in the same connector as the light green) connects to and what the final pin on the NSS connects to...

I've searched and searched... checked multiple diagrams.... I'm stumped....
I'm guessing the blue wire is a power source to the NSS for the Reverse lamps, but I don't have a clue what the other pin goes to or what color wire connects to the NSS pin itself. Any help would be greatly appreciated.

JCs72C10 05-14-2012 08:47 AM

Re: 82 C10 Neutral Safety/Backup Switch Wiring
 
Well, I figured it all out...finally. The blue with does supply power and the other lone pin is for ECM equipped trucks.

I don't know how to delete the thread, or I would.

VetteVet 05-14-2012 11:14 AM

Re: 82 C10 Neutral Safety/Backup Switch Wiring
 
2 Attachment(s)
I saw your thread and looked at several diagrams I have saved and the blue wire does feed the light green on all of them. I finally found one that shows the lone wire going to the computer but I saw that you had already found that out.
You can ask a mod to delete the thread but I would like to see it left up because there are others that might have the same question and you have provided the answer.

This one shows the NSS in the center with the blue wire to green and no purple wires.
Attachment 926539

This one is in the lower right and shows all the wires and the lone wire to the ECM. It's an 85 diagram.

Attachment 926540

egaray281 07-24-2013 12:13 PM

Re: 82 C10 Neutral Safety/Backup Switch Wiring
 
how do i replace this part? do i need to drop the steering column and were exactly is it? thanks in advance!


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