START WARNING       CAUTION       Read WARNING and CAUTION on following page.             KNOWN INFO                         TEST OPTIONS            Continuity Test or STE/ICE-R Test #91     REASON FOR QUESTION     c6. WTEC II TRANSMISSION ECU PUSHBUTTON SHIFT SELECTOR (TEPSS) DISPLAYS MAIN       CODE 24 SUB CODE 12 OR 23 (PRIOR TO SERIAL NUMBER 6510032369 WITH       TRANSMISSION ADAPTER CABLE ASSEMBLY) 1. TM 9-2320-365-34-1 2-128          Change 1 NO YES Replace transmission external wiring harness (para 6-7).        POSSIBLE PROBLEMS        Faulty transmission external wiring harness. Faulty transmission adapter cable assembly. Faulty transmission internal wiring harness. Faulty scavenge pump assembly. Faulty WTEC II TEPSS. Is continuity present from connector P119-a to external wiring harness 31-pin connector pin N? If continuity is not present, transmission external wiring harness is faulty. Circuit breaker OK. Batteries OK. WTEC II cab transmission harness OK. Materials/Parts   Wire, Elect, 50 ft (Item 94, Appendix C) Personnel Required   (2) References   TM 9-4910-571-12&P INITIAL SETUP   Equipment Conditions     Engine shut down (TM 9-2320-365-10).     Batteries disconnected (TM 9-2320-365-20-3).   Tools and Special Tools     Tool Kit, Genl Mech (Item 68, Appendix B)     STE/ICE-R (Item 60, Appendix B)     Multimeter, Digital (Item 34, Appendix B)     Goggles, Industrial  (Item 25, Appendix B)     Wrench, Torque, 0-200 lb-in. (Item 81, Appendix B)     Wrench Set, Socket (Item 75, Appendix B)     Pan, Drain (Item 36, Appendix B)