TM-9-2320-365-20-1 LMTV Unit Maintenance Manual M1078 Series - Volume 1 Download
Page 597 of 1760
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. CAUTION 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. WARNING VOLTAGE TEST (1) Set multimeter to volts DC. (2) Connect positive (+) probe of multimeter to connector PX4 socket 2. (3) Connect negative (-) probe of multimeter to ground. (4) Position main light switch main selector lever to SER DRIVE (TM 9-2320-365-10). (5) Position main light switch auxiliary lever to PNL BRT (TM 9-2320-365-10). (6) Position dimmer switch for maximum brightness (TM 9-2320-365-10) and note reading on multimeter. (7) If 12 VDC is not present, repair wire 1908 from connector PX4 socket 2 to connector PX8 socket 2 (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, replace FRONT BRAKE AIR gage (para 7-14). (9) Position main light switch to auxiliary lever to OFF (TM 9-2320-365-10). lever to OFF (TM 9-2320-365-10). (11) Connect connector PX4 to FRONT BRAKE AIR gage connector. (12) Connect connector clamp on FRONT BRAKE AIR gage connector. (13) Install instrument panel (para 7-15). Change 1 2-380.9 TM 9-2320-365-20-1 (10) Position main light switch main selector