TM-9-2320-365-20-1 LMTV Unit Maintenance Manual M1078 Series - Volume 1 Download
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WARNING 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. CAUTION 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. VOLTAGE TEST (1) Remove personnel heater for access (para 18-9). (2) Set multimeter to volts DC. (3) Connect positive (+) probe of multimeter to connector J913 socket 11. (4) Connect negative (-) probe of multimeter to ground. (5) Position main light switch main selector lever to SER DRIVE (TM 9-2320-365-10). (6) Position main light switch auxiliary lever to PNL BRT (TM 9-2320-365-10) and note reading on multimeter. (7) If 12 VDC is not present, repair wire 1908 from connector J913 socket 11 to connector PX14A socket 1 (para 2-40) or replace WTEC II dashboard cable assembly (para 7-10) or WTEC III dashboard cable assembly (para 7-11). (8) If 12 VDC is present, repair wire 1908 from connector P913 pin 11 to connector P901 socket 2 (para 2-40) or replace auxiliary panel cable assembly (para 7-49). (9) Position main light switch auxiliary lever to OFF (TM 9-2320-365-10). (10) Position main light switch main selector lever to OFF (TM 9-2320-365-10). (11) Install personnel heater assembly (para 18-9). Change 1 2-392.3 TM 9-2320-365-20-1