Paccar Wiring Diagrams / Paccar 2010 Multiplexed Electrical System Sevice Manual P30 1011 Switch Instrumentation - Light green or color of the end of the 9 pin on a nexiq two you will need a can crossover connector to be able to communicate.

Paccar Wiring Diagrams / Paccar 2010 Multiplexed Electrical System Sevice …