TM-9-2320-365-20-1 LMTV Unit Maintenance Manual M1078 Series - Volume 1 Download

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VOLTAGE TEST WARNING CAUTION NOTE Remove rings, bracelets, watches, necklaces, and any other jewelry before working around vehicle. Jewelry can catch on equipment and cause injury or short across electrical circuits and cause severe burns or electrical shock. Use care when testing electrical connectors. Do not damage connector pins or sockets with multimeter probes. Failure to comply may result in damage to equipment. Inspect connector pins/sockets for damage, corrosion, and serviceability. Check that connector pins are not pushed back and are capable of making good contact. Change 1 2-625 TM 9-2320-365-20-1 (1) Remove PDP cover (para 16-2). (2) Remove three screws and washers from PDP. (3) Remove three screws from PDP. (4) Lift PDP outward to gain access. (5) Disconnect connector J51 from connector P51. (6) Set multimeter to volts DC. (7) Connect positive (+) probe of multimeter to connector J51 pin 17. (8) Connect negative (-) probe of multimeter to ground. (9) Position main light switch to BO MARKER (TM 9-2320-365-10) and note reading on multimeter. (10) If 12 VDC is not present, repair wire 24 from connector J51 pin 17 to terminal baord TB1 position 54 (para 2-40) or replace WTEC II dashboard cable assembly (para 7-10) or WTEC III dashboard cable assembly (para 7-11). (11) If 12 VDC is present, repair wire 24 from connector P76 (LH rear blackout marker light) or P62 (RH rear blackout marker light) to connector P51 socket 17 (para 2-40) or replace rear lights cable assembly (para 7-75). (12) Position main light switch to OFF (TM 9-2320-365-10). (13) Connect connector J51 to connector P51. (14) Install PDP on dashboard with three screws. (15) Install three washers and screws in PDP. (16) Install PDP cover (para 16-2).