RAM 2500 Truck 2WD L6-5.9L DSL Turbo VIN C (2002)
5. The coil ground terminal (85) is connected to the output of the Central Timer Module (CTM) through the wiper motor relay control circuit. There
should be continuity between the receptacle for terminal 85 of the wiper relay in the PDC and the wiper motor relay control circuit cavity of the
instrument panel wire harness connector (Connector C1) for the CTM at all times.
If not OK, repair the open wiper motor relay control circuit between the PDC and the CTM as required.