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Old 02-01-2021, 01:31 PM   #154
Joemomma1
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Join Date: Mar 2009
Location: CA
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Re: Doing LS Swap - I have no idea what I'm doing!

Quote:
Originally Posted by EagleChief View Post
I'm not an electrical wizard either. That's one reason I'm leaning toward buying a pre-made harness. I just can't fathom the thought of spending $600-$1000 (depending on set-up) on a wiring harness. I see some advertised for anywhere around $250-$300 on FB and Ebay all the time. Anything wrong with those?
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.
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