2019 KW T800 w/Cummins X15 won't start, dash not cycling

Discussion in 'Heavy Duty Diesel Truck Mechanics Forum' started by blazingsaddles87, Feb 23, 2021.

  1. blazingsaddles87

    blazingsaddles87 Bobtail Member

    1
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    Feb 23, 2021
    0
    2019 KW T800 w/Cummins X15
    Truck turns over but won’t start. Dash doesn’t cycle. Traced it to this plug. If I unplug it the truck will start but dash doesn’t work and throws a circuit code. If I plug it in it will kill the motor. Lights stay on until I plug it back in. What does this run to?
     

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