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Thread: 2003 4.3v6 6.0 swap

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  1. #1
    Join Date
    Dec 2007
    Location
    wichita falls, tx
    Posts
    3,067
    the motor and trans harness is all on one harness...it all goes to the black block on the bottom side of the fuse box...if you lift up the fuse box and look underneath there are 4 blocks...2 bigger blocks and 2 smaller blocks...the motor/trans is the black block....you dont need a new fuse box..it just bolts right back where the v6 one did.


    the swap really isnt that bad....you can do it
    ↓↓↓click pic to go to garage↓↓↓

    408, WCCHL92s, nelson tune,4L80e 3600 Circle D,
    Intro Radicalli's

  2. #2
    Join Date
    Jun 2008
    Location
    at my house
    Posts
    65
    Encouraging,


    I have heard the my wiring harness going to the 4L80E will not work with a 4L60E? (Different connectors)

    Were all 2003 and later vehicles drive by wire? Will I run into problems with wiring if my truck is not drive by wire? (the donor is drive by wire
    Last edited by jtaliaferro; 06-03-2008 at 03:02 PM.

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