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Old 07-14-2014, 01:18 PM   #1
Gruman
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Wire Labeling

Does anybody have a diagram or labels for the wires coming out of the back of the firewall? I can't find the engine temp wire to hook up and my headlights wont work.

Its a 69 chevy c20 with a 350/TH400.
Its the box with the wires coming out of it in the pic here:
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Old 07-14-2014, 01:38 PM   #2
Big Kev-O
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Re: Wire Labeling

The dark green wire comming out of the fire wall goes to the engine tem sensor.The wire inside the cab going to the instrument panel plug is also dark green. If you google image search 67-72 C10 Wiring you will find every drawing you could possibly need for our trucks.


Here you go:

http://outintheshop.com/faq/wiring/wiring.htm

Try this thread for light switch info:
http://67-72chevytrucks.com/vboard/s....php?p=5741438

Last edited by Big Kev-O; 07-14-2014 at 01:50 PM.
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Old 07-14-2014, 01:52 PM   #3
Gruman
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Re: Wire Labeling

Thank you very much! However, I follow the green wire and it goes all the way to the starter. Any ideas?
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Old 07-14-2014, 01:54 PM   #4
hamjet
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Re: Wire Labeling

Here.... OOP! diagram already posted........
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Thanks, Joe..
1969 C/10, 348 C.I., 3X2 bbl. V8, 2004r , LWB.
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Old 07-14-2014, 02:11 PM   #5
Gruman
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Re: Wire Labeling

Thanks, This will help me out a lot. Looks like I have some homework.

Good news is I can hop in this truck and cruise around the neighborhood, feels good to get it driving!
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