TM-9-2320-365-20-1 LMTV Unit Maintenance Manual M1078 Series - Volume 1 Download
Page 633 of 1760
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) Set multimeter to volts DC. (2) Connect positive (+) probe of multimeter to connector P901 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) and note reading on multimeter. (6) If 12 VDC is not present, go to step 3 of this fault. (7) If 12 VDC is present, replace tachometer (para 7-21). (8) Position main light switch auxiliary lever to OFF (TM 9-2320-365-10). (9) Position main light switch main selector lever to OFF (TM 9-2320-365-10). Change 1 2-392.1 TM 9-2320-365-20-1