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#1 |
Registered User
Join Date: Jan 2014
Location: Sacramento,California
Posts: 696
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wiring harness options....
So I took the 68 out for a little road test yesterday to assess some carb adjustment/timing issues, and after driving around the block, I pulled in to the drive and popped the hood. I noticed first that I was leaking oil from the drivers side valve cover on to the headers... no biggie, then I noticed smoke lightly rising from the wiring harness running along the groove in the firewall. I quickly shut the truck off and had grabbed the harness, and sure enough, it was pretty hot. It appears to be the original harness with a few cut and pastes here and there. I'm thinking I either want to buy a new harness that has been beefed up a bit, or build my own. I am wondering who has good replacement harnesses. I am not one to toot my own horn, but I am a bit of an electrical guru, I spent many years building, testing, and repairing slot machines and I build custom bikes and their wire harnesses from scratch, so I am not scared to build a harness.... just lazy
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Built not bought! My dad always tried to convince me HEI was pointless! Welding is a lot like sex, you don't have to be great with the rod as long as you thoroughly prep the surface and your good at grinding ![]() My build : 68 C10 Short Bed Conversion |
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#2 | |
Registered User
![]() Join Date: Sep 2012
Location: Spring, Tx.
Posts: 479
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Re: wiring harness options....
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#3 |
Registered User
Join Date: Feb 2011
Location: Modesto, CA
Posts: 2,188
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Re: wiring harness options....
I think you answered your own question by being an electrician yourself. If you replace the harness with a plug and play unit, you have a slightly better than new 60 year old harness. The stock harness works great, and i replaced my engine harness with an M&H harness designed for HEI. If you do your own with say a painless kit, you get the added benefit of running the wires how you want, you get blade fuses, and you can add any accessories you may want.
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#4 |
Registered User
Join Date: May 2011
Location: Cullman, Alabama
Posts: 125
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Re: wiring harness options....
I own a small business that specializes in electrical systems on classics and customs, and for my money, I use American Autowire exclusively. They cost a little more, but it's because they come with everything you need to install them properly. I looked at using Painless, but they require too much splicing in on connectors and being an electrical guy yourself, you know resistance is the enemy of electrical systems. That's my two cents worth.
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Steve McMillen ASE and GM certified Master Technician 25 years+ experience ![]() No, I do not know it all, that's why I attend tons of training. |
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#5 |
Registered User
Join Date: Aug 2012
Location: Topeka Kansas
Posts: 2,655
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Re: wiring harness options....
Here's one option Speedway motors 12 circuit wiring harness.
http://www.speedwaymotors.com/Speedw...ness,2352.html |
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#6 |
Senior Member
![]() Join Date: Sep 2007
Location: Albuquerque NM
Posts: 7,848
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Re: wiring harness options....
Theres a guy in the parts section selling 68 wiring harness.
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1967custom |
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#7 |
Registered User
Join Date: Apr 2007
Location: pasadena,TEXAS
Posts: 880
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Re: wiring harness options....
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1971 Cheyenne SWB 402BB, 700R4, 3.73 posi, PS, PB, A/C, Tilt, Tach "Wanda" Don't argue with idiots, People watching may not be able to tell the difference... There's someone in my head........But it's not me...... cheap tricks thread great info here!! http://67-72chevytrucks.com/vboard/s...d.php?t=489394 |
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#8 |
Senior Member
![]() Join Date: Sep 2005
Location: Lewisville, Nc
Posts: 10,234
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Re: wiring harness options....
American auto wire all the way
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David fuller Ase Certified Mechanic Click here to help support our board!! 1971 Chevy c-10 under going a 4.8l LSx swap Build Thread http://67-72chevytrucks.com/vboard/s...d.php?t=421305 2007 Honda Accord my daily 145kmiles 2002 Honda Accord 4 door With 330k(sisters car) 2005 toyota Avalon 228k( brothers car) 2002 Sububran 5.3 245k 2000 Tahoe 5.3l 378 General manager for Marco's Carwash & lube |
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