They are a green and yellow set of wires that are twisted together and run the whole length of the chassis harness connecting to each electronic control module on the bus. When ever that occurs we automatically check the wiring resistance at the J1939 twisted pair of wires that are in the diagnostic link harness. Getting a reading with the Meritor Wabco software was not successful so obviously there was a communication problem. ![]() If you get lucky like we did it was something to do with the ABS system because the warning lamp for that system was lit up as well. ![]() The dash registered a large yellow triangle which is supposed to get the driver's attention and also a message on the dash panel which said "electrical fault". ![]() We happened to have an electrical fault in one of our International buses.
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