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cravenbronco
Official CCB Member
Joined: Sat Apr 19, 2014 5:40 pm Posts: 916 Location: Bailey
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Installing a centech wiring harness
I got a new wiring harness for the half cab. My question is how hard is it to install and is there anything that needs special attention when doing this? I know someone has done this before. Any pointers would be appreciated.
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Thu Sep 17, 2015 8:05 am |
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Justin
Official CCB Member
Joined: Sun Oct 10, 2010 12:04 am Posts: 6198 Images: 0 Location: Lakewood
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Re: Installing a centech wiring harness
A Centech harness was my first big Bronco project. I've got limited knowledge about electronics and had minimal wrenching experience at that point. It took me 15-20 hours and wasn't hard. The instructions a just OK. You might download the ones for the Painless harness as well, as I found some good tips in that. Buy the correct tools for the Weatherpak connectors. The crimper is about $35 and the disassembly tool is about $10. The crimpers will make a big difference. I could have shaved a few hours off my time if I hadn't been stubborn about not spending the money. Some parts stores carry the connector in stock if you destroy one as (i think) they're factory on GM products. I mangled a couple of pins and was able to get new ones at a NAPA. Also, anticipate some challenges with your column wiring. The column harness rarely seems to match any known color comparison chart.
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Thu Sep 17, 2015 11:23 am |
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Digger
Official CCB Member
Joined: Fri Jun 21, 2013 8:53 pm Posts: 1276
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Re: Installing a centech wiring harness
Justin made some good points. Take your time. I don't know how the Centech harness comes when its new, but mine was completely wrapped in electrical tape. I took two days carefully cutting off all the tape and wrapped it properly in loom tube and pieced the loom tube together with good quality 3M electrical tape. If you have any electrical accessories now or planned in the future, this is the right time to modify the harness. It is 10x more difficult later. When I re-did the PO's work with the Centech harness, I added an underhood power distribution and relay block and additional switch panel.
_________________ Cummins R2.8 diesel, ZF5, AtlasII, HP44/BB9, ARBs, coiled / linked suspension, 37" KO2s, full cage, bumpers, etc. Build Thread:
Average 23.5 mpg, Best tank: 25.1 mpg
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Thu Sep 17, 2015 12:58 pm |
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cravenbronco
Official CCB Member
Joined: Sat Apr 19, 2014 5:40 pm Posts: 916 Location: Bailey
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Re: Installing a centech wiring harness
I'm sure over thinking it lol. I'm sure I'll have more questions... Does the wiring run in the same path of the old one?(except fuse panel wiring)
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Mon Sep 21, 2015 4:12 pm |
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Justin
Official CCB Member
Joined: Sun Oct 10, 2010 12:04 am Posts: 6198 Images: 0 Location: Lakewood
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Re: Installing a centech wiring harness
Pretty much. It's relatively self explanatory to route.
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Mon Sep 21, 2015 8:03 pm |
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Eck
Official CCB Member
Joined: Thu Oct 25, 2012 9:33 pm Posts: 2460
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Re: Installing a centech wiring harness
_________________ 69 Wagon, 351W, Explorer EFI & Serpentine, ZF5, 35" tires, 3.5 SL, 2 BL, WARN 8274
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Mon Sep 21, 2015 8:12 pm |
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cravenbronco
Official CCB Member
Joined: Sat Apr 19, 2014 5:40 pm Posts: 916 Location: Bailey
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Re: Installing a centech wiring harness
I want to replace the distributor so it will not have to use points. Now does anyone have a part number? I have a stock 302 4 bbl carb non roller. It works don't get me wrong but I'm tired of messing with them. I'm just finishing up on the Harness and was looking at just changing it out. The distributor I have now only has one wire. Any ideas ?
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Wed Oct 28, 2015 9:36 pm |
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TOOLMAN
Official CCB Member
Joined: Mon Feb 14, 2011 10:29 am Posts: 768 Location: The MHC
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Re: Installing a centech wiring harness
I have a Ford HEI unit laying around for cheap...that's if you don't want to go to Duraspark.
_________________ Wilma - 71 1/2 Wagon; 3 1/2" WH lift, 1" BL, NP435, Chebby disc front, WH twin stick D20, EFI 302, Cool hood scoop, mucho cancer; purchased in 1990.
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Thu Oct 29, 2015 4:59 am |
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ZOSO
Moderator
Joined: Mon Nov 15, 2010 5:58 pm Posts: 3906 Location: Henderson, Co
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Re: Installing a centech wiring harness
I'll have the full duraspark setup pulled soon. You'll need a new distributor as mine is a 351.
_________________ Rob
74 Ranger EFI351w, 4r70w, ARB 5.13 9in, ARB 5.13D44, and a bunch of other goodies. Best of all the family memories.
04 Mustang Cobra, KenneBell 2.2 feeding a lot of boost on E85. Tire shredding machine
New project: 77 Bronco Ranger, body work and more body work.
Very little left of a 72 durango tan explorer sport
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Thu Oct 29, 2015 5:45 am |
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Digger
Official CCB Member
Joined: Fri Jun 21, 2013 8:53 pm Posts: 1276
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Re: Installing a centech wiring harness
Have you considered a Pertronix ignition?
We put one in our '67 Fairlane about 8 years ago. Very simple install into the stock points-style distro. My FIL uses them for his old John Deere tractors and other old cars.
_________________ Cummins R2.8 diesel, ZF5, AtlasII, HP44/BB9, ARBs, coiled / linked suspension, 37" KO2s, full cage, bumpers, etc. Build Thread:
Average 23.5 mpg, Best tank: 25.1 mpg
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Thu Oct 29, 2015 9:22 am |
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TOOLMAN
Official CCB Member
Joined: Mon Feb 14, 2011 10:29 am Posts: 768 Location: The MHC
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Re: Installing a centech wiring harness
Hey! I'm trying to make a sale over here!
_________________ Wilma - 71 1/2 Wagon; 3 1/2" WH lift, 1" BL, NP435, Chebby disc front, WH twin stick D20, EFI 302, Cool hood scoop, mucho cancer; purchased in 1990.
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Thu Oct 29, 2015 9:46 am |
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cravenbronco
Official CCB Member
Joined: Sat Apr 19, 2014 5:40 pm Posts: 916 Location: Bailey
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Re: Installing a centech wiring harness
I have tried the pertronix kit but they did not work. And I don't want to go as far as the duraspark set up.
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Thu Oct 29, 2015 6:07 pm |
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cravenbronco
Official CCB Member
Joined: Sat Apr 19, 2014 5:40 pm Posts: 916 Location: Bailey
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Re: Installing a centech wiring harness
I finished the Harness installed and everything is groovy
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Thu Oct 29, 2015 6:12 pm |
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Digger
Official CCB Member
Joined: Fri Jun 21, 2013 8:53 pm Posts: 1276
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Re: Installing a centech wiring harness
_________________ Cummins R2.8 diesel, ZF5, AtlasII, HP44/BB9, ARBs, coiled / linked suspension, 37" KO2s, full cage, bumpers, etc. Build Thread:
Average 23.5 mpg, Best tank: 25.1 mpg
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Thu Oct 29, 2015 7:53 pm |
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cravenbronco
Official CCB Member
Joined: Sat Apr 19, 2014 5:40 pm Posts: 916 Location: Bailey
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Re: Installing a centech wiring harness
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Thu Oct 29, 2015 9:00 pm |
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TOOLMAN
Official CCB Member
Joined: Mon Feb 14, 2011 10:29 am Posts: 768 Location: The MHC
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Re: Installing a centech wiring harness
_________________ Wilma - 71 1/2 Wagon; 3 1/2" WH lift, 1" BL, NP435, Chebby disc front, WH twin stick D20, EFI 302, Cool hood scoop, mucho cancer; purchased in 1990.
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Fri Oct 30, 2015 8:57 am |
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cravenbronco
Official CCB Member
Joined: Sat Apr 19, 2014 5:40 pm Posts: 916 Location: Bailey
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Re: Installing a centech wiring harness
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Fri Oct 30, 2015 9:04 am |
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TOOLMAN
Official CCB Member
Joined: Mon Feb 14, 2011 10:29 am Posts: 768 Location: The MHC
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Re: Installing a centech wiring harness
Drop it in, hook up a couple of wires and you're good to go...I'll even throw in the fairly new set of MSD wires. I should be around all day Saturday. I'll PM you my number.
_________________ Wilma - 71 1/2 Wagon; 3 1/2" WH lift, 1" BL, NP435, Chebby disc front, WH twin stick D20, EFI 302, Cool hood scoop, mucho cancer; purchased in 1990.
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Fri Oct 30, 2015 12:38 pm |
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cravenbronco
Official CCB Member
Joined: Sat Apr 19, 2014 5:40 pm Posts: 916 Location: Bailey
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Re: Installing a centech wiring harness
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Fri Oct 30, 2015 12:40 pm |
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cravenbronco
Official CCB Member
Joined: Sat Apr 19, 2014 5:40 pm Posts: 916 Location: Bailey
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Re: Installing a centech wiring harness
Thanks again Jason it works great....
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Sun Nov 01, 2015 3:07 pm |
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TOOLMAN
Official CCB Member
Joined: Mon Feb 14, 2011 10:29 am Posts: 768 Location: The MHC
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Re: Installing a centech wiring harness
Sweet. Glad you could use it!
_________________ Wilma - 71 1/2 Wagon; 3 1/2" WH lift, 1" BL, NP435, Chebby disc front, WH twin stick D20, EFI 302, Cool hood scoop, mucho cancer; purchased in 1990.
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Mon Nov 02, 2015 8:28 am |
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