Questions About a 66 c10 - The 1947 - Present Chevrolet & GMC Truck Message Board Network

70ss396survivor · 12-06-2016, 12:01 AM

I'm help a friend restore a 66 that was take apart before it came to me,so looking to see if you guy could help me out.
If you guy have pictures that would be great.Thanks
Question#1
Firewall hole layout.What hole is what?
Question#2
How the engine wiring harness were run as well as the rear wiring harness was run front to rear.
Posted via Mobile Device

**The Rocknrod** · 12-06-2016, 09:46 AM

Firewall Holes:
http://67-72chevytrucks.com/vboard/s...08&postcount=7
Wiring Diagrams:
http://www.6066chevytrucks.com/id17.html

Rust-O-Matic · 12-06-2016, 03:57 PM

Might be worth mentioning there are a couple different variations of the wiring diagrams, depending on whether your dash has gauges or warning lights.
Here's one for a '65 with gauges (appears to be pretty much identical to a '66). http://rmcavoy.freeshell.org/diagram...h_w_gauges.gif

12-06-2016, 03:57 PM	#3
Rust-O-Matic Registered User Join Date: Apr 2015 Location: Gallatin, MO Posts: 295	Re: Questions About a 66 c10 Might be worth mentioning there are a couple different variations of the wiring diagrams, depending on whether your dash has gauges or warning lights. Here's one for a '65 with gauges (appears to be pretty much identical to a '66). http://rmcavoy.freeshell.org/diagram...h_w_gauges.gif

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12-06-2016, 12:01 AM	#1
70ss396survivor Registered User Join Date: Nov 2016 Location: tupelo,Ms Posts: 1	Questions About a 66 c10 I'm help a friend restore a 66 that was take apart before it came to me,so looking to see if you guy could help me out. If you guy have pictures that would be great.Thanks Question#1 Firewall hole layout.What hole is what? Question#2 How the engine wiring harness were run as well as the rear wiring harness was run front to rear. Posted via Mobile Device

12-06-2016, 09:46 AM	#2
The Rocknrod Moderator Join Date: Aug 2011 Location: China Spring, TX Posts: 7,280	Re: Questions About a 66 c10 Firewall Holes: http://67-72chevytrucks.com/vboard/s...08&postcount=7 Wiring Diagrams: http://www.6066chevytrucks.com/id17.html __________________ Master Chief, US Navy, Retired 1964 C10 Step-side Short Bed - In Progress 2009 2500HD Duramax LTZ 1948 GMC Panel 1956 Big Window Stepside 1953 5 Window Chevy Stepside 1932 Coupe New Seat Foam for Bench Seats?



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