ls1 wiring harness
03-31-2011, 07:57 AM
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Car: 1990 firbird formula
Engine: 355ci
Transmission: t56 spec3+ cluch
Axle/Gears: 9 bolt disc brake 2.77
ls1 wiring harness
ok so im looking to swap to an ls1 from my lo3 and was looking arond an saw that the wiring harness had to be moded and that hawks sells one for 995.00 but i was wondering if its posible to mod the harness my self?
03-31-2011, 08:12 AM
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Car: 1987 Trans Am
Engine: LQ9/L92
Transmission: 4L60E
Re: ls1 wiring harness
most of us are doing exactly that.
check out the stickies in here:
https://www.thirdgen.org/forums/ltx-lsx/
and read everything you can find done by Pocket.
good luck!
check out the stickies in here:
https://www.thirdgen.org/forums/ltx-lsx/
and read everything you can find done by Pocket.
good luck!
03-31-2011, 11:54 AM
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Car: 82 Berlinetta/57 Bel Air
Engine: LS1/LQ4
Transmission: 4L60E/4L80E
Axle/Gears: 12B-3.73/9"-3.89
I've done 2 swaps and did both harnesses myself. May have be quicker having Hawks or Pocket do the harness for me, but I'm cheaper than either... 
Oh, and a 3rd is in the works (just not a 3rd gen this time). I'll be doing that harness as well.
Oh, and a 3rd is in the works (just not a 3rd gen this time). I'll be doing that harness as well.
03-31-2011, 08:38 PM
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Car: 1987 Trans Am
Engine: LQ9/L92
Transmission: 4L60E
Re: ls1 wiring harness
looking to get more practice myself - seen a few s10 harnesses on ebay for about $75, not a bad price. really wanna do something up in techflex......
04-02-2011, 04:31 PM
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Car: 89 Formula / 09 G8
Engine: LS1 / LS3
Transmission: M6 / M6
Axle/Gears: 3:42 / 3:27
Re: ls1 wiring harness
Agreed, save yourself a ton of money and gain some invaluable experience.
Take it one step at a time. Label the each connector and work your way from there. Once you understand what goes where and if you need it or not, it becomes a lot easier.
Also read any post with Pocket in it
Take it one step at a time. Label the each connector and work your way from there. Once you understand what goes where and if you need it or not, it becomes a lot easier.
Also read any post with Pocket in it
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