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Thread: PCM ?

  1. #1
    Join Date
    Sep 2006
    Location
    Coon Rapids, MN
    Posts
    1,219
    could a 04 pcm work on an 02 and 03 or would you need to get it reflashed for the of year truck

    04 Grand Prix GTP
    03 Z71 wanting a Turbo ,Stall, and Tune BAD
    THE SURGEON GENERAL SAYS NOTHING ABOUT SMOKIN A FORD

  2. #2
    Join Date
    Nov 2003
    Location
    Denton Texas
    Posts
    20,540
    I think that if it has the green/blue connectors on the PCM it won't work with the red/blue. I could be wrong but it stands to reason that they changed the colors to simplify the identification process so the don't get messed up.
    See my truck data in the "My Garage" section here... http://www.ls1truck.com/forums/my-ga...tml#post191709

  3. #3
    Join Date
    Sep 2006
    Location
    Coon Rapids, MN
    Posts
    1,219
    did they change colors when they changed body styles from 02 to 03?

    04 Grand Prix GTP
    03 Z71 wanting a Turbo ,Stall, and Tune BAD
    THE SURGEON GENERAL SAYS NOTHING ABOUT SMOKIN A FORD

  4. #4
    Join Date
    Sep 2004
    Location
    Breaux Bridge, LA
    Posts
    667
    99-02 have red and blue connectors (512mb pcm)
    03 and up have green and blue connectors (1mb pcm)

    11' Sierra 6.2 NHT
    14.46@91 Stock
    89' Mustang LSX
    10.35@130 pump gas LQ4

    Knothead Racing

  5. #5
    Join Date
    Nov 2003
    Location
    Denton Texas
    Posts
    20,540
    See my truck data in the "My Garage" section here... http://www.ls1truck.com/forums/my-ga...tml#post191709

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