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  1. Replies
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    I used a harness by Nelson performance. And...

    I used a harness by Nelson performance. And repinned the 2 wires in the tcm connector. Your saying I need to keep searching around for the correct os numbers for the engine and trans. Or can I use...
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    joe car is there any more sites with more files...

    joe car is there any more sites with more files i need to find a trans os 24239036 for a 4l80e the engine is 12614088 helppp!!!
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    4l80 swap os numbers needed

    2007 silverado 4.8
    engine os 12614088
    trans os 24239036

    i just swapped out my 4l60 to a 4l80. transmission came out of a 07 express van. i used the harness needed for the swap. im looking for...
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