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

Page 949 of 1760

CONTINUITY TEST 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. (1) Disconnect batteries (para 7-48). (2) Remove instrument panel assembly for access (para 7-15). (3) Disconnect connector PX12 from warning light switch. (4) Set multimeter to ohms. (5) Connect positive (+) probe of multimeter to connector PX12 pin 5. (6) Connect negative (-) probe of multimeter to relay K20 terminal 86 on PDP and note reading on multimeter. (7) If continuity is not present, repair wire 1575 from relay K20 terminal 86 to connector PX12 pin 5 (para 2-40) or replace WTEC II dashboard cable assembly (para 7-10) or WTEC III dashboard cable assembly (para 7-11). (8) Install relay K20 in PDP. (9) Install PDP cover (para 16-2). Change 1 2-584.63 TM 9-2320-365-20-1