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Old 02-01-2021, 05:17 PM   #155
EagleChief
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Join Date: Sep 2016
Location: Tulsa, OK
Posts: 410
Re: Doing LS Swap - I have no idea what I'm doing!

Quote:
Originally Posted by Joemomma1 View Post
Being as this is your first swap and you're not familiar with the modern components of the engine, I'd say buy a new harness or have yours reworked. When you go to fire it up and have to troubleshoot the wiring, sensors and voltages should you have trouble, the money saved is not worth it. I went with BP automotive for my first swap and am having my second harness reworked. My third will use the whole harness and fuse box as is from the donor.

Don't go with the Chinese harnesses as they can get you by but you are not there yet to troubleshoot or repair them should you need to. You're already half the cost of a quality harness.
I'm going to talk to a couple shops local to me that specialize in LS tuning and wiring. I'll get some prices from them to see if they have harnesses already made up, or, use mine to cut down and use.
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