J1939 connection location for peterbilt and kenworth next generation ngp model trucks. Both j1708 and j1939 protocols are available on the datalink the j1708 protocol must be specified instead of auto detect. Can The J2k100 Connect To A Cummins Engine Print View M2 Multiplexing Emtsp Ts 1033683 Checking And Testing J1939 And Diagnostic Two 120 ohm resistors should be located at opposite ends of the j1939 can bus. J1939 terminating resistor cummins . The delphi j1939 terminating resistor is an insert molded resistor end cap which mates to a sealed delphi gt connection. 22 signatureisx cm570 221 features and parameters j1939 multiplexing. This terminating resistor is required to be placed at both ends of the main communication backbone. Bill stecik 155340 views. Redneck style duration. If the connection is in use disconnecting the cable may void...