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Thread: ecm pin outs

  1. #1
    Lifetime Member
    Join Date
    Dec 2005

    Default ecm pin outs

    does anyone know if all the pin outs on the 1999 to 2005 ecms are the same for example i am looking for a wiring warness do dyno on a engine dyno i have a 8.1 motor and called around junk yards and found a 4.8 in a truck 1999 i am assuming they have the same plugs on the ecm so i could use it a make a dyno harness just like to know befor i drive 1hr there cut it out and find out when i get home there not the same


  2. #2
    EFILive Reseller wait4me's Avatar
    Join Date
    Aug 2004


    Watch out for the fuel injector plugs, They are different on all the trucks,
    "If you can leave a black mark on the pavement, from the exit of one corner to the braking point of the next one, you have enough horsepower."

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