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Old 02-10-2022, 01:47 PM   #1
Ziegelsteinfaust
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L83 wiring harness

I am leaning heavily towards a L83 swap with my 4L80e.

As I look around for the deal I sometimes see them offered as a swap kit. So as I decide how much I am willing to spend along with avoiding doing work in the truck once running.

So hypothetically if I was to use the L83/6L80e combo. Does the wiring harness need to be paired back or is that only done for cosmetic or routing reasons?

I know the computer needs to be unlocked, and Vats an such removed.
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Old 02-10-2022, 02:21 PM   #2
87chevy.com
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Re: L83 wiring harness

Quote:
Originally Posted by Ziegelsteinfaust View Post
I am leaning heavily towards a L83 swap with my 4L80e.

As I look around for the deal I sometimes see them offered as a swap kit. So as I decide how much I am willing to spend along with avoiding doing work in the truck once running.

So hypothetically if I was to use the L83/6L80e combo. Does the wiring harness need to be paired back or is that only done for cosmetic or routing reasons?

I know the computer needs to be unlocked, and Vats an such removed.
what is paired back?
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1987 Silverado - L83 5.3 w/ 6L80e ,A/C,P/W,P/L,TILT, HID projectors, Wilwood C-10 Pro Spindles w/ 2018 silverado front brakes & C-5 Corvette Rear Disc Brakes
1999 BMW 528i - 5.7 LS1 w/ 4l60e, Ford 8.8 IRS w31 spline posi & FX-r projector retrofit

New project: 2006 BMW x5 6cyl AWD to L83 6l80e 4wd to 2WD / RWD

A poor man buy's it twice

finally got my domain name back, 87chevy.com.... site rework in progress
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Old 02-10-2022, 02:23 PM   #3
Ziegelsteinfaust
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Re: L83 wiring harness

Trimmed back or unneeded things removed that do not pertain to the function of the swap.
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Old 02-10-2022, 05:50 PM   #4
87chevy.com
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Re: L83 wiring harness

Same as LS swap, remove unnecessary wires or cut them off. As far as routing the main trunk of harness to the rear wont happen unless you eother extend all the driver side harness or make a new drover side harness.
When i convert the harness to standalone i charge 250 and its new wire, not lengthened.

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1987 Silverado - L83 5.3 w/ 6L80e ,A/C,P/W,P/L,TILT, HID projectors, Wilwood C-10 Pro Spindles w/ 2018 silverado front brakes & C-5 Corvette Rear Disc Brakes
1999 BMW 528i - 5.7 LS1 w/ 4l60e, Ford 8.8 IRS w31 spline posi & FX-r projector retrofit

New project: 2006 BMW x5 6cyl AWD to L83 6l80e 4wd to 2WD / RWD

A poor man buy's it twice

finally got my domain name back, 87chevy.com.... site rework in progress
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