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Thread: Building a swap harness, some questions

  1. 11-23-2010 09:00 PM #1
    1989k1500
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    Building a swap harness, some questions

    Im working on the harness to put a 5.3 in my 89 K1500 in my sig. Its a stock 06 harness I've been modifying.

    I've gotten all the evap, a/c, O2 sensors, MAF, oil level sensor, and anything else Im not using out of it.

    Now Im going through the Alldata printout stuff I have and Im at pin 13 on the blue connector. Its "Requested Torque Signal" and it leads to a plug that has probably 7 or 9 other wires and would plug into the body harness on the 06 truck.

    I have no idea what that is or what I need to do with it.

    Im sure there will be more I need help with so I'll keep this thread updated. But if someone that has built a harness could chime in it would be greatly appreciated!
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  2. 11-23-2010 09:32 PM #2
    RedHeartbeat
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    Is it a grey/black striped wire? It may be going to the transfer case, if it is grey.
    See my truck data in the "My Garage" section here... http://www.ls1truck.com/forums/my-ga...tml#post191709
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  3. 11-23-2010 09:53 PM #3
    1989k1500
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    Quote Originally Posted by RedHeartbeat View Post
    Is it a grey/black striped wire? It may be going to the transfer case, if it is grey.
    its orange with a black stripe.

    It doesnt go to the transfer case, that would be in the engine harness. This start at the PCM but goes to a connector under where the factory fuse block would be. Within 12 inches of the PCM. I could get a pic of the connector if it would help.

    BTW this is a 2wd harness. my truck has floor shift 4wd, Im not using any 4wd stuff in the harness. Just the one speed sensor at the back of the transfer case I will hook into the harness.

    Im also doing a 06 cluster in it. Theres a few vehicle speed signal pins on the pcm, 49 and 50 on the green connector. Not sure what to use for the gauge cluster.
    Last edited by 1989k1500; 11-23-2010 at 09:58 PM.
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  4. 11-24-2010 09:28 PM #4
    Shift92
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    As far as I know the Requested Torque Signal (Orange with Black stripe) is part of the harness for the Electronic Brake Control Module (EBCM). There is also a corresponding Delivered Torque Signal (Tan with Black stripe) that goes to pin 5 of the Green connector. Neither one should be needed to run the engine.
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  5. 11-24-2010 09:44 PM #5
    1989k1500
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    Awesome, thanks man. I just didnt wanna hook this all up and have it not shift or something because of that thing. lol
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  6. 11-28-2010 10:33 PM #6
    1989k1500
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    The Requested Torque Signal says NW7 next to it, after some googling it looks like thats for traction control.
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