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Thread: 4l60e to 4l80e tcm harness help

  1. #1
    Join Date
    Apr 2017
    Houston tx

    4l60e to 4l80e tcm harness help

    I am currently doing the 4l80e swap on my 2008 tahoe and i bought the nelson performance harness and i still need to so some re pining at the tcm connector i can not figure out which pin is #26 if anyone can chime in and help me out. Thanks
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