TM-9-2320-365-20-1 LMTV Unit Maintenance Manual M1078 Series - Volume 1 Download
Page 451 of 1760
VOLTAGE TEST (1) Remove instrument panel assembly for access (para 7-15). (2) Disconnect connector clamp from fuel gage connector. (3) Disconnect connector PX9 from fuel gage connector. (4) Set multimeter to volts dc. (5) Connect positive (+) probe of multimeter to connector PX9-3. (6) Connect negative (-) probe of multimeter to a known good ground. (7) Position master power switch to on (TM 9-2320-365-10) and note reading on multimeter. (8) If 24 vdc is not present, repair wire 1546 from connector PX9 pin 3 to terminal board TB1 position 61 (para 2-40) or replace WTEC II dashboard cable assembly (para 7-10) or WTEC III dashboard cable assembly (para 7-11). (9) Position master power switch to off (TM 9-2320-365-10). Inspect connector pins/sockets for damage, corrosion, and serviceability. Check that connector pins are not pushed back and are capable of making good contact. NOTE 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 TM 9-2320-365-20-1 Change 1 2-309