73-87 Chevy _ GMC Trucks > Electrical

Wiring Diagram

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Pushrod:
Does anybody have a link to a wiring diagram for our trucks? Preferably for the earlier trucks without an ecm.... Unless the main harness is the same for all.

And some sauce for my spagetti!!!!

cjtimp:
I have access to Mitchell OD5. They have pretty decent wiring diagrams.  

DnStClr:
Wiring diagrams take a bunch of pages. It might be better to ask for a specific system diagram. And, of course, the yr of your truck.  Don St.Clair
Culleoka Tn

roundedline:
I use Chiltons onr Haynes manuals. Chris Lucas
www.73-87chevytrucks.com
www.captkaoscustoms.com
Project Su
Jimmy 2WD Project

Pushrod:
Alright, on my 77 C-10 stepside the wires for the guages and choke were cut (prior to me) short and never hooked up in the five years that I've had it.

I simply just added guages and got a manual choke carb.

Recently I got a great deal on a holley spreadbore 650 with a electric choke. Can't beat free!! unless somebody gave you money to take it!!!

I found the three wires that had been tucked away in the harness so long ago and took a test light to them.

Green - coolant
Blue - oil
Tan - ???

They all read positive, but I need to know which one actually goes to the electric choke.

Thinkin about goin to the parts store for the coolant and oil sensors as well to get rid of the add on guages. I should have done this stuff years ago .

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