Materials/Parts   Wire, Elect, 50 ft (Item 97, Appendix C) Personnel Required     (2) References     TM 9-4910-571-12&P TM 9-2320-366-34-1 2-322          Change 1 c24. WTEC II TRANSMISSION ECU PUSHBUTTON SHIFT SELECTOR (TEPSS) DISPLAYS MAIN        CODE 41, 42, 44, AND/OR 45 SUB CODE 16 (PRIOR TO SERIAL NUMBER 6510032369        WITH TRANSMISSION ADAPTER CABLE ASSEMBLY) INITIAL SETUP   Equipment Condition     Engine shut down (TM 9-2320-366-10-1).     Batteries disconnected (TM 9-2320-366-20-3).   Tools and Special Tools     Tool Kit, Genl Mech (Item 78, Appendix B)     STE/ICE-R (Item 70, Appendix B)     Multimeter, Digital (Item 41, Appendix B)     Goggles, Industrial (Item 28, Appendix B)     Wrench, Torque, 0-200 lb-in. (Item 93, Appendix B) WARNING       CAUTION       Read WARNING and CAUTION on following page.             KNOWN INFO                         TEST OPTIONS            Continuity Test or STE/ICE-R Test #91     REASON FOR QUESTION     1. NO Replace transmission external wiring harness (para 6-7). YES START        POSSIBLE PROBLEMS        Circuit breaker OK. Batteries OK. WTEC II cab transmission assembly OK. Faulty transmission external wiring harness. Faulty transmission adapter cable assembly. Faulty transmission internal wiring harness. Faulty E solenoid. Faulty WTEC II TEPSS. Is continuity present from connector P119-U to external wiring harness 31-pin connector pin K? If continuity is not present, transmission external wiring harness is faulty.