65 C-10 Underhood wiring- bulkhead plugs - The 1947 - Present Chevrolet & GMC Truck Message Board Network

HugrOrang71 · 04-08-2007, 10:34 PM

I have 2 plugs coming from the firewall, one is located near the LH inner fender and the other is just just above the RH valve cover. I'm thinking that the LH one feeds the front lighting and the one above the valve cover is the gauge feed, coil power and crank signal to the starter. Correct?

Should there be a wire to a junction block to supply power to the ignition and dash (like on the 67-72 trucks)? Someone had added a large gauge wire from the fuse block through an extra hole in the firewall. I'm not sure if this is what was being used or not?

Any source for a decent wiring diagram?

Thanks,
Jason

**ChiefRocka** · 04-08-2007, 10:58 PM

The center one feeds the ignition, solenoid, oil and temp senders....while the side bulkhead feeds the headlights, horn, and has the battery feed from the horn relay to the rest of the harness

John

rodnok1 · 04-09-2007, 08:47 AM

Here a linky to color wiring diagram I did last year
http://67-72chevytrucks.com/vboard/s...d.php?t=193429

HugrOrang71 · 04-09-2007, 12:39 PM

Thank you both for the info. It will help quite a bit.

Jason

04-08-2007, 10:34 PM	#1
HugrOrang71 Bite me, import boy Join Date: Apr 2005 Location: Eagle Point, Oregon Posts: 102	65 C-10 Underhood wiring- bulkhead plugs I have 2 plugs coming from the firewall, one is located near the LH inner fender and the other is just just above the RH valve cover. I'm thinking that the LH one feeds the front lighting and the one above the valve cover is the gauge feed, coil power and crank signal to the starter. Correct? Should there be a wire to a junction block to supply power to the ignition and dash (like on the 67-72 trucks)? Someone had added a large gauge wire from the fuse block through an extra hole in the firewall. I'm not sure if this is what was being used or not? Any source for a decent wiring diagram? Thanks, Jason __________________ Jason '71 C-10 Deluxe-under construction '69 C20, 396,T400-donor truck, '65 C10 project "Facts are meaningless, You can use facts to prove anything that's even remotely true."

04-08-2007, 10:58 PM	#2
ChiefRocka Hollister, CA. Join Date: Sep 2006 Location: Hollister, Ca. Posts: 6,150	Re: 65 C-10 Underhood wiring- bulkhead plugs The center one feeds the ignition, solenoid, oil and temp senders....while the side bulkhead feeds the headlights, horn, and has the battery feed from the horn relay to the rest of the harness John __________________ John What the Heck is that ?? CURRENT BUILDS: 62 BurbMaster Other Builds: My '63 C-10,LWB,CC,BBW '06 HD StrAight Axle Swap Father/Son '67 C-20, LQ9,4L80,Bagged,8-Lugger !!Good Friend Richard's Build AMERICAN CUSTOMS & CLASSICS (831) 630-1965 www.ACCHOLLISTER.com ACC on FACEBOOK "Rest in Peace, Mom & Dad ... I will see you again someday!" Last edited by ChiefRocka; 04-08-2007 at 11:00 PM.

04-09-2007, 08:47 AM	#3
rodnok1 Registered User Join Date: Jun 2003 Location: Linden, North Carolina Posts: 617	Re: 65 C-10 Underhood wiring- bulkhead plugs Here a linky to color wiring diagram I did last year http://67-72chevytrucks.com/vboard/s...d.php?t=193429 __________________ 64 Panel Rebuild Pics Clutch Replacement and Borg Warner T10 Trans Rebuild 64 Panel 1/2 Ton 350cubes/400hp BorgWarner t-10 3:73 Auburn Posi

04-09-2007, 12:39 PM	#4
HugrOrang71 Bite me, import boy Join Date: Apr 2005 Location: Eagle Point, Oregon Posts: 102	Re: 65 C-10 Underhood wiring- bulkhead plugs Thank you both for the info. It will help quite a bit. Jason __________________ Jason '71 C-10 Deluxe-under construction '69 C20, 396,T400-donor truck, '65 C10 project "Facts are meaningless, You can use facts to prove anything that's even remotely true."

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