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

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VOLTAGE TEST CAUTION WARNING 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. 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. (1) Remove circuit breaker CB70 from PDP. (2) Connect connector PX15 to main light switch connector. (3) Install circuit breaker CB70 on PDP. (4) Disconnect connector clamp from dimmer switch connector. (5) Disconnect connector PX24 from dimmer switch connector. (6) Set multimeter to volts DC. (7) Connect positive (+) probe of multimeter to connector PX24 socket 1. (8) Connect negative (-) probe of multimeter to ground. (9) Position main light switch main selector lever to SER DRIVE (TM 9-2320-365-10). (10) Position main light switch auxiliary lever to PNL BRT (TM 9-2320-365-10) and note reading on multimeter. (11) If 12 VDC is not present, repair wire 1542 from connector PX24 pin 1 to connector PX15 socket B (para 2-40) or replace WTEC II dashboard cable assembly (para 7-10) or WTEC III dashboard cable assembly (para 7-11). (12) Position main light switch auxiliary lever to OFF (TM 9-2320-365-10). (13) Position main light switch main selector lever to OFF (TM 9-2320-365-10). (14) Install PDP cover (TM 9-2320-365-10). Change 1 2-380.23 TM 9-2320-365-20-1