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

Page 607 of 1760

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. NOTE Inspect connector pins/sockets for damage, corrosion, and serviceability. Check that connector pins are not pushed back and are capable of making good contact. CONTINUITY TEST (1) Remove PDP cover (TM 9-2320-365-10). (2) Remove circuit breaker CB70 from PDP. (3) Remove instrument panel assembly for access (para 7-15). (4) Disconnect connector PX15 from main light switch connector. (5) Position main light switch main selector lever to SER DRIVE (TM 9-2320-365-10). (6) Position main light switch auxiliary selector lever to PNL BRT (TM 9-2320-365-10). (7) Set multimeter to ohms. (8) Connect positive (+) probe of multimeter to main light switch connector pin F. (9) Connect negative (-) probe of multimeter to main light switch connector pin B and note reading on multimeter. (10) If continuity is not present, replace main light switch (para 7-17). (11) Position main light switch auxiliary lever to OFF (TM 9-2320-365-10). (12) Position main light switch main selector lever to OFF (TM 9-2320-365-10). Change 1 2-380.19 TM 9-2320-365-20-1