Engine Swap ECM Question

Discussion in 'Trucks [ Eighteen Wheelers ]' started by Big 10 4, Feb 28, 2012.

  1. Feb 28, 2012 #1
    Big 10 4

    Big 10 4 Bobtail Member

    1
    0
    Feb 28, 2012
    Texas
    0
    Hey guys,

    New to the forum, and need some help. I am currently trying to do an engine swap from a 99' Peterbilt 3406E to a 98' Peterbilt that also had a 3406E. My problems is that the 99' Peterbilt ECM has a 70 pin harness and the 98' Peterbilt has a 40 pin. Any suggestions as to what I need to do to help me out, are there any adapters that I can buy to make this swap work?

    Thanks for the help
     
    Big 10 4, Feb 28, 2012
    Big 10 4, Feb 28, 2012
    #1
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  3. Feb 28, 2012 #2
    Jas

    Jas Medium Load Member

    569
    157
    Dec 13, 2008
    Eastern Sea board, Australia
    0
    Cat make a harness to put a 70pin ECM in a truck that has a 40pin OEM connector but the neatest way to do it is buy a 70 pin plug and use the schematic of each engine to swap the wires over.
     
    Jas, Feb 28, 2012
    Jas, Feb 28, 2012
    #2
  4. Feb 28, 2012 #3
    Gold Diesel

    Gold Diesel Bobtail Member

    15
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    Sep 2, 2011
    Brisbane, Australia
    0
    The cat harness part number is 133-8109. Or if you would like to do as Jas said and go the OEM 70 pin plug route, Cat OEM plug number 160-7689.
     
    Gold Diesel, Feb 28, 2012
    Gold Diesel, Feb 28, 2012
    #3
    black_dog106 Thanks this.
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