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Thread: $D3 mask for 7609 gm ecm

  1. #1
    Carb and Points!
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    $D3 mask for 7609 gm ecm

    been working on my 93 k3500 TD, i've had for 30 years, trying to work on the TCC for the tranny lock up, cant find the mask for the bin, using turner pro bu can 't find the $D3 mask, any help greatly appreciated. :)

  2. #2
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    -Carl

  3. #3
    Carb and Points!
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    Quote Originally Posted by In-Tech View Post
    Thanks i ordered it yesterday, :) still snooping around

  4. #4
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    John's (TunerCat) software is usually pretty nice and user friendly. $20 for a definition file is incredibly inexpensive. Good luck with your project :)
    -Carl

  5. #5
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    Hiya,
    What is the complete 8 digit part number for that TCM? I've always wanted to tinker with one on the bench.

    I think I just found it...is it 16147609?
    -Carl

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