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Thread: super quick wiring question

  1. #1
    Join Date
    Sep 2007
    Location
    Hutto TX
    Posts
    467

    Talking super quick wiring question

    Help me verify injector wire colors on 2001 5.3. I am modifying factory harness, and unfortunately i got myself confused and I might be putting the driver's side injectors in wrong places...

    Assuming cylinder #1 is on drivers side at the very front of the engine, these are the NON-PINK wires as i read from service manual....

    DK BLUE/WHITE = 8 |-----| 7 = RED/BLk
    ..........YEL/BLK = 6 |.......| 5 = BLK/WHT
    ......LT BLU/BLK = 4 |.......| 3 = PNK/BLK
    .....LT GRN/BLK = 2 |-----| 1 = BLK
    ..............................front

    Right now I have black on #7 and red/blk on #1....can someone look under their hood and verify the NON-PINK injector wires on drivers side?? I have factory service manual however i have really gotten myself mixed up..

    Thanks!!
    Last edited by r6z4o6; 08-17-2008 at 02:07 PM.
    1991 Silverado ECLB
    LM7-T56

  2. #2
    Join Date
    May 2004
    Posts
    2,120
    They are just like you have them layed out starting with black on cylinder #1 Red and black should be on #7
    Last edited by NITROUS; 08-17-2008 at 02:16 PM.


    97 GMC, 2002 LS6.

    1991 GMC Syclone #1428

  3. #3
    Join Date
    Sep 2007
    Location
    Hutto TX
    Posts
    467
    YES!! I totally did them backwards!! Time to buy some more heat shrink thanks!
    1991 Silverado ECLB
    LM7-T56

  4. #4
    Join Date
    Nov 2003
    Location
    Denton Texas
    Posts
    20,540
    1 - black
    2 - lt green/black
    3 - pink/black
    4 - lt blue/black
    5 - black/white
    6 - yellow/black
    7 - red/black
    8 - dk blue/white

    sorry, had the wrong ones up there at first

    Damn, I'm slow. Took too long grabbing a cold beer on the way back.
    See my truck data in the "My Garage" section here... http://www.ls1truck.com/forums/my-ga...tml#post191709

  5. #5
    Join Date
    May 2004
    Posts
    2,120
    Greg, I think our old age is starting to show!


    97 GMC, 2002 LS6.

    1991 GMC Syclone #1428

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