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2009 386 Peterbilt, digital cluster issue

Discussion in 'Peterbilt Forum' started by Roland386, Mar 19, 2014.

  1. Mar 19, 2014 #1
    Roland386

    Roland386 Bobtail Member

    4
    0
    Mar 19, 2014
    0
    I have an issue with the digital cluster of my 2009 386 Peterbilt c13. When I turn the key in the on position the digital cluster is working, but as soon as I crack the engine the digital cluster screen, speedometer, rpm and all warning lighting turns off. If anyone has had any similar experiences could you please let me know.

    Thanks in advance
    Roland
     
    Roland386, Mar 19, 2014
    Roland386, Mar 19, 2014
    #1
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  3. Mar 20, 2014 #2
    zpmps2

    zpmps2 Bobtail Member

    12
    3
    Mar 3, 2011
    Damascus, Arkansas
    0
    What about gauges like boost, oil temp, amps, and water temp? Mine did that driving down the road at times. But the warning lights would still work just not the gauges. There's a green wire runs from front to back on these trucks. Check down by the motor mounts. That's where mine was rubbing.
     
    zpmps2, Mar 20, 2014
    zpmps2, Mar 20, 2014
    #2
  4. Apr 6, 2014 #3
    PBKW

    PBKW Bobtail Member

    10
    1
    Apr 6, 2014
    Canada
    0
    There is a possibility that the J1939 communication wires from the engine ECM have rubbed thru, yellow and green twisted wires, usually about 10inches from engine ECM plug.
     
    PBKW, Apr 6, 2014
    PBKW, Apr 6, 2014
    #3
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