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Thread: LS1 Engine Harnesses Available

  1. #1
    Join Date
    Mar 2003
    Location
    San Antonio, TX
    Posts
    11,038
    Hello Guys,

    I'd like to introduce our NEW LS1 Engine Harnesses. Here's a sneak preview of what you can expect.

    LS1 Harness Pictures
    The quality is top notch and the best design and assembly we've seen.
    That's one reason we decided to build these, to offer a cleaner, tighter fitting harness.
    -Every harness is covered in high-temp heat shrink or high-temp wire loom.
    -High-temp TXL automotive wire
    -Every terminal is soldered-ensures connection will never fail!
    -OEM weather tight connectors
    -OEM wire coloring for easy identification
    -Tested before we ship so there's no second guessing the harness
    -Easy installation
    -Easy hookup, one ground wire, one battery wire, one ignition wire
    -OBDII diagnostic connector
    -SES light
    -Speedometer and tachometer signal
    -Custom lengths (ie O2, maf, vss, pcm location)
    -Weather tight fuel pump relay w/ 12g wire
    -Labeled connectors
    -Options available - custom length, configuration, electric fan control, pass-thru firewall connector (one of the first we've seen, allows you to mount the pcm in the cab by using a weather proof connector)

    -Oxygen sensors available
    -Custom programming available

    This basic harness is $550 and fits any LS1 engine with a standard transmission. Add for automatic, integrated fan harness, and custom lengths.

    We guarantee this is the best looking, tightest fitting harness available!!!!

    Every harness is test fired before it's sent out, this ensures your harness is 100% trouble free.


    thanks,

    Allen

  2. #2
    Join Date
    Nov 2003
    Location
    Denton Texas
    Posts
    20,540
    Sounds like quite a nice deal there Allen. Do you take trade-ins?
    See my truck data in the "My Garage" section here... http://www.ls1truck.com/forums/my-ga...tml#post191709

  3. #3
    Join Date
    Mar 2003
    Location
    San Marcos Texas
    Posts
    4,393
    Nice job man!
    2006 Superior Blue Trailblazer SS AWD, Stock as a rock

    Sold: 2002 GMC Sportside Denali front end with a 2002 LS1, FLT level 5, Yank 2600, Trick Turbo, T76, Nelson intercooler, 60LB injectors, Warbro fuel pump, Eaton locker, Magnaflow, 3.42, Nelson Performance Tuning (speed density).

    Sold: 1981 GMC LB RC 1500 2002 4.8L 4L60E 12 bolt 3.73 Richmond Lock Right AC PS Nelson Performance tuning

  4. #4
    Join Date
    Nov 2003
    Location
    Denton Texas
    Posts
    20,540
    I see you don't have fuel rails on the engine yet, Allen. I saw an LS1 engine a couple years ago in PHR magazine that they installed 5.0 Ford billet fuel rails on because nobody made billet rails yet for the LS1. I have seen the 5.0 rails on Ebay for $80 but I don't know what year models rails I would need to buy to work on the LS1. Anyone have an idea? I don't want to pay the $200+ for the LS1 rails if I can help it.
    See my truck data in the "My Garage" section here... http://www.ls1truck.com/forums/my-ga...tml#post191709

  5. #5
    Join Date
    Apr 2005
    Location
    springfield MO
    Posts
    226
    looks great Allen, I wish you would have had that a few months ago....maybe for my next one
    Dave
    1968 Chevy SWB Fleet. 2002 5.3 all stock (for now ) Nelson Tune 4l60e w/TB converter.
    ok not stock anymore...13.3 at 101
    Now with front mount turbo... new times soon

  6. #6
    Join Date
    Sep 2004
    Posts
    665
    That looks sweet!
    No more trucks, but this is what I used to have. 2000 GMC Sierra, 6.0L-LQ4, Built 4L60, LS6 Cam, The Other Guys Headers, 3 inch exhaust and 7 chamber flowmaster, 43lb injectors, Nelson Tuning, Drop - 3/4 McGaughys Spindles, Bell Tech Shackles & Hangers. Best time 13.59 @ 106

  7. #7
    Join Date
    Oct 2004
    Posts
    259
    Looks like the electrical nightmare in my truck will be over when I get back to the US. Im definetly getting one. Just give me til next year ok. Hey Allen, you know what would be a good option? I've seen some people add extra lenght to the wires that feed the coil packs. This allows for coil packs to be mounted on a different location. It really cleans up all the clutter on the valve covers. Ill probably ask you this again when I order mine, but just thought someone else might want to do it.
    Had a 91 SB, Open diff, 3.08 gears, stock LS1/T56. 14.8@95.9...sold.
    Now, 90 C1500 350tbi/NV3500....just bought a 5.3...need T56, Swap parts.....

  8. #8
    Join Date
    Mar 2003
    Location
    San Antonio, TX
    Posts
    11,038
    Originally posted by LS1Nica@Oct 28 2005, 12:10 PM
    Looks like the electrical nightmare in my truck will be over when I get back to the US. Im definetly getting one. Just give me til next year ok. Hey Allen, you know what would be a good option? I've seen some people add extra lenght to the wires that feed the coil packs. This allows for coil packs to be mounted on a different location. It really cleans up all the clutter on the valve covers. Ill probably ask you this again when I order mine, but just thought someone else might want to do it.
    Hey LS1nica, you'll enjoy the harness, very easy to install!
    Ya, there are a lot of options and we can easily relocate the coil connector for you, there should be any cost difference either because the wire is already long enough to reach to the back.
    Other options later will include, start wire, battery cables, fan harness, led options just to name a few.

    Looking forward to hearing from you.

    Hey Ross, tell John he better get that LS1 RX7 going, I held up my end of the deal, hahaha.

    later,

    allen

  9. #9
    Join Date
    Sep 2004
    Posts
    665
    Originally posted by farmtruc@Oct 28 2005, 01:07 PM
    Hey Ross, tell John he better get that LS1 RX7 going, I held up my end of the deal, hahaha.
    It might be a while on John's LS1 Rx-7. He just bought a camper instead. He still needs to fix that LS1 with the spun bearing sitting in his shop.

    On another note...Can you tune a 97 silverado? I know you tried the chip and one point, but that didn't work so well. Can you do it live?
    No more trucks, but this is what I used to have. 2000 GMC Sierra, 6.0L-LQ4, Built 4L60, LS6 Cam, The Other Guys Headers, 3 inch exhaust and 7 chamber flowmaster, 43lb injectors, Nelson Tuning, Drop - 3/4 McGaughys Spindles, Bell Tech Shackles & Hangers. Best time 13.59 @ 106

  10. #10
    Join Date
    Nov 2003
    Location
    Denton Texas
    Posts
    20,540
    More options to consider.....Power lead to the alternator.....3 wire water temperatur gauge instead of two for those that still have analog temp gauges.
    See my truck data in the "My Garage" section here... http://www.ls1truck.com/forums/my-ga...tml#post191709

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