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Old 04-04-2012, 02:38 PM   #1
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v8 wiring question

I am doing a v8 swap and a soa with a for 8.8 starting this weekend and im curious as to what others did with all the stock wiring. you cant really unplug the whole harness cuz you still need some of the stuff so should i just cut it out? or tuck it out of the was as best i can?

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Old 04-04-2012, 02:51 PM   #2
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I always save the harness until the end. Do your best to make it look as clean as possible whether that means tucking, cutting, or eliminating un needed wires

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Old 04-04-2012, 07:10 PM   #3
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can i just cut any wire i dont need though. it wont cause any problems for some system i do need?
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Old 04-04-2012, 07:51 PM   #4
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experience

If you are asking that question, then I think you will be needing some very experienced help working with you on it. It isn't like it used to be where the only wiring between the engine and bodywas a few sensors and power.

One of those situations where if you need to ask the question you really need a lot more information before you start.
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Old 04-04-2012, 07:59 PM   #5
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I am confident that i can do it. i have done a frame swap. andbuilt another from the a pile of parts. i was just reading on here a couple weeks ago that a guy cut a few un needed wires and it killed his fuel system. i think it was some A/C wire. when he put them back together his jeep was fine. he was dumbfounded and so was i but i just want to make sure that i wont have some dumb thing like that happen to me.
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Old 04-04-2012, 09:44 PM   #6
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are you working on a fuel injected jeep and going to fuel injection?

i agree on the wait till the end because then you will know once its running what you have to keep and can cut. like i cut a bunch from my 87 harness because my jeep was running and they were not hooked up so obviously they did nothing but i also did a lot of rerouting of lines and wires to remove as much 87 from the jeep as possible and move it towards a 60s-70s style wiring and vacuum system. i only want the gauges and cruise to need wiring in my engine harness. everything else is not needed for my set up
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Old 04-05-2012, 12:04 AM   #7
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I removed the Computer and any wires assosiated with them. I rewired all the engine wires, alternator, Tach, Starter etc. I saved my AC wires incase I needed another under hood power source.

Of course you need all your dash wiring and headlight harness.
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Old 04-05-2012, 01:07 AM   #8
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I am in the middle of a swap. I was able to pull the engine wiring harness off with the motor. Disconnect it from the computer and start un-plugging things. The only wires I had to cut were the leads the the fuel pump.

The wiring harness coming off the bulk head stays plugged in to the bulk head and doesn't need to be removed. There are plugs from it that need to be dis-connected from the motor.

Take your time and disconnect everything. Once you start to pull the motor, you will find a couple more! Take a look at my build thread,I talk about the wiring. I will be firing mine up in a week or two!

http://www.wranglerforum.com/f8/95-y...in-141156.html
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Old 04-05-2012, 03:36 AM   #9
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Here is a Tip I forgot to mention in my earlier post. Get some masking tape and label them as you unplug them. That way later when you start seeing what you need and don't you will know what they are!
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Old 04-05-2012, 07:36 AM   #10
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Yes. Put a little flag on eqch one and write whats it for bwcause you also never know what might cause a hold up for a while and cause you to forget what goes where.

Thats a dang good tip master4th

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