Re-Wire my Jeep -

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post #1 of 6 Old 05-16-2010, 07:09 PM Thread Starter
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1989 YJ Wrangler 
Join Date: Jan 2008
Location: Sarasota, FL
Posts: 349
Re-Wire my Jeep

I am curious as to how easy/difficult a project it would be to redo all the wiring on my Jeep. The "Painless Wiring Harness" would be perfect except I cannot afford it. Is it much more affordable to do it myself and endure the "pain"? I really want to get rid of all the wiring for the A/C and remove all my A/C ducts since it doesn't work anyways. My buddy is decent at vehicle wiring and I have testers and whatnot. Just never really gotten too deep into vehicle electronics.

All I want is the wiring to make the engine run (sensors and whatnot), Gauges to work, and Lights/Wipers.

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post #2 of 6 Old 05-16-2010, 07:42 PM
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1993 YJ Wrangler 
Join Date: Aug 2008
Location: Raleigh
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Before I started taking the wires out I would trace them to see if I could find the main problem. So from what you said you can't get anything to work?


I have a jeep...and it is modified...I win.

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post #3 of 6 Old 05-16-2010, 07:51 PM
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1989 YJ Wrangler 
Join Date: Apr 2008
Location: Detroit
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If the current harness is not cut then I wouldnt rewire. Just repair what you have. Jeep wiring is very simple. What condition is the wiring in? What is wrong with the Jeep.
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post #4 of 6 Old 05-17-2010, 08:13 AM Thread Starter
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1989 YJ Wrangler 
Join Date: Jan 2008
Location: Sarasota, FL
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actually nothing is wrong with the Jeep. It runs pretty well. I just have a major rats nest under the dash and wanted to clean it all up. I guess I could try and just organize and trace what I have.
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post #5 of 6 Old 05-17-2010, 10:12 AM
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1989 YJ Wrangler 
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Location: Detroit
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Your further ahaead. Spend the money on fun toys for the Jeep!
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post #6 of 6 Old 05-17-2010, 01:38 PM
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2007 JK Wrangler 
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Location: great falls, mt
Posts: 65
I just did the rewire on my 90 wrangler and used the painless harness. It made a difficult job much easier and it still took me 2-3 days to get it done. Now I have a lot better knowledge of the wiring and no more gremlins. Definitely worth it to me. It eliminates all of the computer wiring so you will need a webber or mc2100 and mine came wired for a fuel pump at the fuel guage wiring which was easy to fix at the plug. It also has connections for future upgrades like a fuel pump, electrical cooling fan, and rear wipers.

2007 jk rubicon unlimited, rescue green, rugged ridge bumpers, 9000# superwinch, 3" procomp lift and 1990 yj 4.2L, weber carb, tfi ignition, nuttered, bushwacker flares, 4" suspension lift, 33" cooper stt tires , Grey soft top, tinted windows, bikini top and red body
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