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Thread: Lly Duramax problems

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  1. #1
    Join Date
    Apr 2001
    Location
    CA
    Posts
    13,583

    Arrow

    Quote Originally Posted by MichaelMcC View Post
    I've gone through and I found where it had chafed and I used electrical tape to seal it and if that didn't work I spliced the wires together sealing it but that's not fixed it either
    Welcome aboard!

    Replace the harness. There's really no other successful solution. Splice/repair has never worked. Not once that I'm aware of.
    1985 Blazer 6.2
    2001 GMC 2500HD D/A
    dmaxmaverick@thedieselpage.com

  2. #2
    Join Date
    May 2012
    Location
    Langley
    Posts
    369

    Default

    Quote Originally Posted by DmaxMaverick View Post
    Welcome aboard!

    Replace the harness. There's really no other successful solution. Splice/repair has never worked. Not once that I'm aware of.
    Good to know. Thanks!
    GMC Sierra 2500hd 2004.5 now with ARP studs

  3. #3
    Join Date
    Mar 2000
    Location
    Loyal WI US
    Posts
    10,794

    Default

    I don't know that the harnesses are even available are they? If they are they are very spendy.

    I would be looking in the harness where it ties down to the FICM as the major chafe point.
    Kennedy Diesel-owner
    More than just a salesman-I use and test the products that I sell on a daily basis!
    Superflow Lie Detector in house
    2002 Chev K2500HD D/A CC Long LT 11.77@ 124mph at 7700# fuel only-e.t. needs help
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    2012 GMC K3500SRW D/A CC Long LTZ Happy Birthday to me! Built 1 working day after my birthday and delivered 7 days later.
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  4. #4
    Join Date
    May 2017
    Location
    michigan
    Posts
    2

    Default

    $ 900.00 FOR MY 05 C 4500 ! what a rip off!!

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