389 repower to 6nz

Discussion in 'Peterbilt Forum' started by 6nz389, Nov 14, 2017.

  1. 6nz389

    6nz389 Light Load Member

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    Also I have tested the clutch switch, it is working properly
     
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  3. swaan

    swaan Road Train Member

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    You will only know for sure if its working properly by plugging it in and seeing if the ecm is reading the clutch switch.

    It could be as simple as changing some pin outs on truck side
     
  4. 6nz389

    6nz389 Light Load Member

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    Okay thank you for the help I will post what I find out on Tuesday whether or not they are able to help me
     
    swaan Thanks this.
  5. Loaderlou

    Loaderlou Medium Load Member

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    The shop I go to has done a couple of 6NZ implants into new gliders and told me they needed to change the ecm harness for everything to comply
     
  6. Loaderlou

    Loaderlou Medium Load Member

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    Feb 24, 2014
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    The shop I go to has done a few 6NZ implants into gliders and told me they had to change the ecm harness to marry the motor to the glider
     
  7. 6nz389

    6nz389 Light Load Member

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    Update... I had a guy just plug into the truck that knew what he was doing and he turned my engine fan back on and also got the Jake's and cruise to work in about 30 minutes. Thanks for all the suggestions
     
  8. Carlow77

    Carlow77 Bobtail Member

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    Mar 3, 2019
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    What did he do to fix it
     
  9. Vurtle

    Vurtle Light Load Member

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    Most likely the mechanic he went to changed some parameter settings in the ecm to read J1939 data.
     
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