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Thread: 2003 Duramax need stock file

  1. 01-24-2025 #1
    blakeconnerrod
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    Post 2003 Duramax need stock file

    Hey guys,
    I am currently doing a duramax swap into my 05 Hummer h2 and I have a 03 silverado 2500hd for a donor truck. The truck is a 2wd and I am using the 4x4 transmission from a 02 gmc duramax which is a completely run by a completely different pinout on the ecu and fuse box etc... so that forces me to use the pcm and transmission control module from the 03 truck.. So basically I'm needing a stock file from a LB7 that is 4x4 that is like a 03-05...

    Thanks!
    Blake Rodriguez
    2000 FRC Corvette
    -BTR Stage 3 kit, LS3 Injectors, Cat Delete, X-pipe
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  2. 01-24-2025 #2
    projectlnf
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    Do you have a read out of the ecm and TCM that you have now?
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