Replacing autoshift with manual 18 ECM question

Discussion in 'Trucks [ Eighteen Wheelers ]' started by skman, Jan 3, 2020.

  1. skman

    skman Medium Load Member

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    Aug 26, 2013
    Saskatchewan
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    963553
     
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  3. skman

    skman Medium Load Member

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    Aug 26, 2013
    Saskatchewan
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    I told them it was deleted and they said ok...but they won't write the ECM until they talk to me. Almost everyone is deleted around here so I guess they might be more relaxed on that rule. Not sure
     
  4. pushbroom

    pushbroom Road Train Member

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    Wiring for speedo attached. Looks like you can use the factory plug. KW wiring is such a mess though. Goes from trans harness to front chassis harness to emission harness to engine harness. Straight to the ecm in the most roundabout way possible. Pins 34 + 35 on the ecm.
    Pins 17 and 18 are 1939 datalink.

    Pete engine harness has the VSS plug right on it. Alot cleaner

    Your engine is a 2250. Wiring diagrams are attached in the truck mechanic section.
    Cummins Wiring Diagrams
     

    Attached Files:

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  5. skman

    skman Medium Load Member

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    Aug 26, 2013
    Saskatchewan
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    Wow... appreciate the help. For me...that looks very overwhelming but I'll see if I can make myself understand. There's so much wiring on this truck compared to my 08 Western star. Lol Thanks again for the help
     
  6. spsauerland

    spsauerland Road Train Member

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    You did the hard way for him on diagrams, get the P94 drawing. 2013 wiring on a B cab is a mess though!
     
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  7. pushbroom

    pushbroom Road Train Member

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    Kw wiring is completely messed up. I wanna say kw did the hard way not me:)
    One of these days you will see the light and come on over to the red oval......
     
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