need wireing help - The 1947 - Present Chevrolet & GMC Truck Message Board Network

special70gmc · 11-22-2003, 10:47 AM

i just got the new wireing harness for hei and intturnal reg alt but since it tore the truck complely apart i cant remember how it hooks up. i hooked the purple wire to the starter as well as a 1ga cable from the batt. how does the rest of the truck get power? i have no power in the cab or anywhere except the starter. im deffenitly not the best machanic when it comes to wireing, but id really like to get this truck running soon. thank you -kyle

bpmcgee · 11-22-2003, 10:57 AM

There are two small wires -- a purple and a white I believe -- that hook up to the starter. One on each of the small posts to each side of the battery wire, but I don't remember which.

Also, there are a couple of wires on the other harness the other direction past the headlights, above the radiator, and hook to an insulated post on the fender next to the battery.

I'm not sure which one powers the cab, my memory says it's the one off of the starter, but I may be remembering my '75. My tiny brain again!

Brian

gonebad2 · 11-22-2003, 05:08 PM

Here's how you get power to the cab. There is a black plastic terimal on the front of the passenger side fender. There is a wire that comes off the positive battery cable hook it up to the terminal on the fender. Ther is a heavy red wire that also hooks up to the fender terminal. This heavy red wire is the wire that runs power back to the cab. If you are using and HEI, there aore only two wires you need to hook up to the starter. The heavy purple wire and the positive battery cable. The heavy pruple wire hooks up to the terminal on the starter solenoid that is closest to the engine block. You can discard the yellow wire that was hooked up to the coil and the other terminal on the starter when you were using the points ignition.

special70gmc · 11-22-2003, 06:45 PM

thanks guys do you happen to have any pics i think i can get it now but some pics would help thanks -kyle

**john** · 11-22-2003, 06:48 PM

Here you go.

http://www.geocities.com/chevroletc1070/wiringdias.html

gonebad2 · 11-22-2003, 07:22 PM

Sorry Kyle,
No pics. I went with a painless wiring harness. It's a little different.
Thanks, Greg

Tuck · 11-22-2003, 08:58 PM

is this what you want a picture of? Sorry its a little dirty. its wet sand residue.

truckresq · 11-22-2003, 09:46 PM

Is right here
http://67-72chevytrucks.com/vboard/s...threadid=13698

Longhorn Man · 11-22-2003, 10:20 PM

The second wire mentioned for the starter should be deleted on your truck since you have HEI. It would have been yellow and would have gone from the R terminal to the Positive on the coil...but that don't matter.
The purple wire goes on the S terminal of your starter.
The rest should be like in the picture.

special70gmc · 11-23-2003, 10:22 AM

thanks allot guys -kyle

special70gmc · 11-23-2003, 12:32 PM

just want you to know i got it workin not running yet but i got power and i cranks! im sooo happy almost ready to run after 1 1/2 years takin this slow so i dont screw up my LT-1 trhanks -kyle

11-22-2003, 10:47 AM	#1
special70gmc Registered User Join Date: Sep 2002 Location: long island, new york Posts: 1,333	need wireing help i just got the new wireing harness for hei and intturnal reg alt but since it tore the truck complely apart i cant remember how it hooks up. i hooked the purple wire to the starter as well as a 1ga cable from the batt. how does the rest of the truck get power? i have no power in the cab or anywhere except the starter. im deffenitly not the best machanic when it comes to wireing, but id really like to get this truck running soon. thank you -kyle __________________ 1986 c-10 swb 5/7 drop 20'' coys 1958 belair 2door

11-22-2003, 05:08 PM	#3
gonebad2 Merciless Butcher Join Date: Oct 2003 Location: CC Nevada Posts: 1,447	Here's how you get power to the cab. There is a black plastic terimal on the front of the passenger side fender. There is a wire that comes off the positive battery cable hook it up to the terminal on the fender. Ther is a heavy red wire that also hooks up to the fender terminal. This heavy red wire is the wire that runs power back to the cab. If you are using and HEI, there aore only two wires you need to hook up to the starter. The heavy purple wire and the positive battery cable. The heavy pruple wire hooks up to the terminal on the starter solenoid that is closest to the engine block. You can discard the yellow wire that was hooked up to the coil and the other terminal on the starter when you were using the points ignition. __________________ Your Bought And Sold....I Got Your Soul!

11-22-2003, 06:45 PM	#4
special70gmc Registered User Join Date: Sep 2002 Location: long island, new york Posts: 1,333	thanks guys do you happen to have any pics i think i can get it now but some pics would help thanks -kyle __________________ 1986 c-10 swb 5/7 drop 20'' coys 1958 belair 2door

11-22-2003, 06:48 PM	#5
john member #16 Join Date: Dec 1999 Location: Yuba City Ca. Posts: 3,618	Here you go. http://www.geocities.com/chevroletc1070/wiringdias.html __________________ john http://67-72chevytrucks.com/vboard/showgroups.php board vendors http://www.flickr.com/photos/1745471...7602865984234/

11-22-2003, 07:22 PM	#6
gonebad2 Merciless Butcher Join Date: Oct 2003 Location: CC Nevada Posts: 1,447	Sorry Kyle, No pics. I went with a painless wiring harness. It's a little different. Thanks, Greg __________________ Your Bought And Sold....I Got Your Soul!

11-22-2003, 10:57 AM	#2
bpmcgee Registered User Join Date: Mar 2003 Location: Northern Illinois Posts: 2,181	There are two small wires -- a purple and a white I believe -- that hook up to the starter. One on each of the small posts to each side of the battery wire, but I don't remember which. Also, there are a couple of wires on the other harness the other direction past the headlights, above the radiator, and hook to an insulated post on the fender next to the battery. I'm not sure which one powers the cab, my memory says it's the one off of the starter, but I may be remembering my '75. My tiny brain again! Brian

11-22-2003, 08:58 PM	#7
Tuck Registered User Join Date: Aug 2001 Location: pell city,AL Posts: 263	is this what you want a picture of? Sorry its a little dirty. its wet sand residue. Last edited by Tuck; 11-22-2003 at 09:00 PM.

11-22-2003, 09:46 PM	#8
truckresq Registered User Join Date: Feb 2003 Location: Sac Valley Posts: 179	everything you need.... Is right here http://67-72chevytrucks.com/vboard/s...threadid=13698 __________________ John Sacramento Area 1969 C10 Fleetside

11-22-2003, 10:20 PM	#9
Longhorn Man its all about the +6 inches Join Date: Jan 2001 Location: Hilliard Ohio Posts: 2,693	The second wire mentioned for the starter should be deleted on your truck since you have HEI. It would have been yellow and would have gone from the R terminal to the Positive on the coil...but that don't matter. The purple wire goes on the S terminal of your starter. The rest should be like in the picture.

11-23-2003, 10:22 AM	#10
special70gmc Registered User Join Date: Sep 2002 Location: long island, new york Posts: 1,333	thanks allot guys -kyle __________________ 1986 c-10 swb 5/7 drop 20'' coys 1958 belair 2door

11-23-2003, 12:32 PM	#11
special70gmc Registered User Join Date: Sep 2002 Location: long island, new york Posts: 1,333	just want you to know i got it workin not running yet but i got power and i cranks! im sooo happy almost ready to run after 1 1/2 years takin this slow so i dont screw up my LT-1 trhanks -kyle __________________ 1986 c-10 swb 5/7 drop 20'' coys 1958 belair 2door



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