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Cant find my diagnostic port

Discussion in 'Heavy Duty Diesel Truck Mechanics Forum' started by COEguy, Aug 16, 2023.

  1. Aug 16, 2023 #1
    COEguy

    COEguy Bobtail Member

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    Aug 16, 2023
    0
    Hello all, is there anyone out there who knows the location of my diagnostic port?
    1993 Peterbilt 362 COE
    Detroit 60 series.
    Its not under dash from what i can see
     
    COEguy, Aug 16, 2023
    COEguy, Aug 16, 2023
    #1
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  3. Aug 17, 2023 #2
    SmallPackage

    SmallPackage Road Train Member

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    Dec 20, 2019
    Marion Texas
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    Should be on the engine itself since in those days that would of been the only thing that was connected to ecm.
     
    SmallPackage, Aug 17, 2023
    SmallPackage, Aug 17, 2023
    #2
    bjytech and little cat 500 Thank this.
  4. Aug 17, 2023 #3
    COEguy

    COEguy Bobtail Member

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    Aug 16, 2023
    0
    Hey, thanks for the lead, ive contacted several dealerships by phone, no one seems to know, im rebuilding my cab lift cylinders, cant get under cab for another week, cheers
     
    COEguy, Aug 17, 2023
    COEguy, Aug 17, 2023
    #3
  5. Aug 22, 2023 #4
    Diesel Dave Australia

    Diesel Dave Australia Bobtail Member

    17
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    Aug 22, 2023
    0
    If you get really stuck. once you get the cab up.
    you can wire up a diagnostic ports pretty easily with the diagrams at the start of the forum. Only need 2 data wires.
     
    Diesel Dave Australia, Aug 22, 2023
    Diesel Dave Australia, Aug 22, 2023
    #4
  7. Aug 23, 2023 #5
    COEguy

    COEguy Bobtail Member

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    Aug 16, 2023
    0
     
    COEguy, Aug 23, 2023
    COEguy, Aug 23, 2023
    #5
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