[NC] LS1 swap harness
Thread Starter
Joined: Jun 2005
Posts: 8,122
Likes: 362
From: NC
Car: 91 Trans Am
LS1 swap harness
This is a LS1/4L60E swap harness designed for easiest install on a 3rd gen Fbody, but it can fit anything
Options:
99+ PCM pinout
4L60E
AC
!emissions
!rear O2s
98 CTS
$350

I have 3 prepped 3rd gen harnesses as well. 89 auto, 89 manual, 90-92 auto. I will mate this harness to one of those for $100 making this a 100% plug and play deal
Can swap to T56 for the cost of connectors
Options:
99+ PCM pinout
4L60E
AC
!emissions
!rear O2s
98 CTS
$350

I have 3 prepped 3rd gen harnesses as well. 89 auto, 89 manual, 90-92 auto. I will mate this harness to one of those for $100 making this a 100% plug and play deal
Can swap to T56 for the cost of connectors
Last edited by Pocket; Mar 18, 2010 at 01:13 PM.
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iTrader: (4)
Joined: Jul 2004
Posts: 472
Likes: 7
From: pa
Car: 87 IROC
Engine: 350
Transmission: auto
Axle/Gears: 3.23
Re: LS1 swap harness
That is a good deal! I've read the thread on converting the harness...would much rather get it already done! My problem is I won't be (seriously)shopping for an ls1 till fall(after the pick-up and quad are paid off!). If you still got it in a couple weeks, I'll take one anyway!
Member
Joined: Dec 2006
Posts: 106
Likes: 0
From: Riverside CA,
Car: 1982' camaro Z/28
Engine: lt-1 out of a 95' impala ss
Transmission: viper spec t-56
Axle/Gears: Ford 9in 3.90 gears
Re: LS1 swap harness
how much to set it up for an 82 camaro with a t56 and all the accessory's?
Senior Member

Joined: Feb 2009
Posts: 874
Likes: 18
From: Brisbane, Australia
Car: 1985 Pontiac TransAM
Engine: 400SBC 24x conversion
Transmission: T700r Stage2 Shiftkitted
Axle/Gears: 2.77 9 Bolt
Re: LS1 swap harness
i'm chasing one as well
would this be the same as the one that eficonnection sell for a tpi x24 setup?
would this be the same as the one that eficonnection sell for a tpi x24 setup?
Joined: May 2004
Posts: 1,037
Likes: 2
From: Kingsport Tenn
Car: 1992 camaro
Engine: LT1
Transmission: 4L60E
Axle/Gears: 3:73
Thread Starter
Joined: Jun 2005
Posts: 8,122
Likes: 362
From: NC
Car: 91 Trans Am
Re: LS1 swap harness
Depends on what you want to do
I can mod your harness into whatever you want or I can simply remove AC from this harness and send it on
I can mod your harness into whatever you want or I can simply remove AC from this harness and send it on
Senior Member
Joined: Aug 2006
Posts: 807
Likes: 2
From: Ontario, Canada
Car: 1991 Trans Am GTA
Engine: LSX (swapping)
Transmission: 4L60E (swapping)
Axle/Gears: 2.73 Posi 10 Bolt
Re: LS1 swap harness
I am thinking of taking you up on the 3rd gen harness deal. But since I have the LS1 harness here maybe you could prep a 90-92 harness for me so all I have to do is solder up the few wires to the swap harness?
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