My wiring harness doesn't match Help - The 1947 - Present Chevrolet & GMC Truck Message Board Network

cc_bob · 04-09-2005, 08:01 PM

My starter died on my 72 Friday so I picked up a new one. Once I had the starter out I noticed someone had ran clear speaker wire to the solenoid. I hate to leave things half-@##ed so I pulled out the harness for the starter and was going to rework it. each wire had multiple splices and the only wire that was hooked to anything was the one for the "S"tart post of the solenoid. All the rest were re-ran from inside the cab. In trying to re-do the harness I found the link in the FAQ and tried to decifer my harness, but mine doesn't match the diagram.

The truck is a 72 Chevy with a 402 and air.

I am confused about 4,5,6,7, and 8
Here's how mine is if you are looking at the firewall.

1 2 3
4 5
6 7
8 9 10

1 = tan 20 gauge - Break Warning OK
2 = dark green 20 gauge - Temp Gauge
3 = empty
4 = Orangish red - "R" of Solenoid ??????
5 = Empty ???????
6 = Empty ???????
7 = Empty ???????
8 = Black w/ white stripe 20 gauge ???????
9 = 12 gauge purple OK
10 = Empty

The diagram shows...
1 = Tan - Break Warning
2 = Dark Green - Temp gauge
3 = Empty
4 = Orange/Purple - "R" of Solenoid
5 = Dark Blue - Oil Pressure
6 = Dark Green - Backing Lamp switch
7 = Light Green - Backing Lamp switch
8 = Empty
9 = Purple - "S" of solenoid
10 = Empty

Thanks
Bob

neonlarry · 04-09-2005, 08:28 PM

4 is the resistance wire to coil, if you still have points. If you don't have points i.e. HEI all bets are off on this wire everyone wires differently on this.
5 you probably won't have as our oil pressue gauges are mechanical.
6 & 7 should be empty At least thats what my wiring diagram shows.
8 Empty unless PO wired something up here if he did you will have to check where the wire goes, both ends (I have used blank terminals on mine for various uses electric choke, HEI, etc.).

Just be glad you don't have mine it looks nothing like stock anymore, it will get even worse once I get the TPI wired up.

cc_bob · 04-15-2005, 11:06 PM

I just wanted to say thanks for the post. I was able to get all the wires figured out but one. and it is running fine without it.

Thanks,
Bob

04-09-2005, 08:01 PM	#1
cc_bob Registered User Join Date: Jan 2004 Location: Burton, Ohio Posts: 95	My wiring harness doesn't match Help My starter died on my 72 Friday so I picked up a new one. Once I had the starter out I noticed someone had ran clear speaker wire to the solenoid. I hate to leave things half-@##ed so I pulled out the harness for the starter and was going to rework it. each wire had multiple splices and the only wire that was hooked to anything was the one for the "S"tart post of the solenoid. All the rest were re-ran from inside the cab. In trying to re-do the harness I found the link in the FAQ and tried to decifer my harness, but mine doesn't match the diagram. The truck is a 72 Chevy with a 402 and air. I am confused about 4,5,6,7, and 8 Here's how mine is if you are looking at the firewall. 1 2 3 4 5 6 7 8 9 10 1 = tan 20 gauge - Break Warning OK 2 = dark green 20 gauge - Temp Gauge 3 = empty 4 = Orangish red - "R" of Solenoid ?????? 5 = Empty ??????? 6 = Empty ??????? 7 = Empty ??????? 8 = Black w/ white stripe 20 gauge ??????? 9 = 12 gauge purple OK 10 = Empty The diagram shows... 1 = Tan - Break Warning 2 = Dark Green - Temp gauge 3 = Empty 4 = Orange/Purple - "R" of Solenoid 5 = Dark Blue - Oil Pressure 6 = Dark Green - Backing Lamp switch 7 = Light Green - Backing Lamp switch 8 = Empty 9 = Purple - "S" of solenoid 10 = Empty Thanks Bob __________________ 67 C10 396 stepside project 72 C20 402 72 K10 SWB (plow truck) 86 K20

04-09-2005, 08:28 PM	#2
neonlarry Registered User Join Date: Feb 2002 Location: Vacaville, CA Posts: 2,746	4 is the resistance wire to coil, if you still have points. If you don't have points i.e. HEI all bets are off on this wire everyone wires differently on this. 5 you probably won't have as our oil pressue gauges are mechanical. 6 & 7 should be empty At least thats what my wiring diagram shows. 8 Empty unless PO wired something up here if he did you will have to check where the wire goes, both ends (I have used blank terminals on mine for various uses electric choke, HEI, etc.). Just be glad you don't have mine it looks nothing like stock anymore, it will get even worse once I get the TPI wired up. __________________ 70 C/10 Light Red 350/TH350, HEI, Duals w/40 series Flows, 91 seat, LED taillights 99 Pontiac S/C GTP, SLP Ram Air hood, GMPP Konis & springs 95 Neon ACR, MP PCM, AFX UDP, 3.0 CAI Last edited by neonlarry; 04-09-2005 at 08:31 PM.

04-15-2005, 11:06 PM	#3
cc_bob Registered User Join Date: Jan 2004 Location: Burton, Ohio Posts: 95	Thanks I just wanted to say thanks for the post. I was able to get all the wires figured out but one. and it is running fine without it. Thanks, Bob __________________ 67 C10 396 stepside project 72 C20 402 72 K10 SWB (plow truck) 86 K20



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