TM-9-2320-365-20-1 LMTV Unit Maintenance Manual M1078 Series - Volume 1 Download
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CAUTION CONTINUITY TEST (1) Disconnect batteries (para 7-48). (2) Remove four screws from lighted indicator display. (3) Remove lighted indicator display from instrument panel assembly. (4) Disconnect connector PX7 from lighted indicator display. (5) Set multimeter to ohms. (6) Connect positive (+) probe of multimeter to lighted indicator display socket 27. (7) Connect negative (-) probe of multimeter to lighted indicator display socket 22 and note reading on multimeter. (8) If continuity is not present, go to step 4 of this faulty. (9) If continuity is not present, replace lighted indicator display (para 7-16). CONTINUITY TEST 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. (1) Remove PDP cover (para 16-2). (2) Remove three screws and washers from PDP. (3) Remove three screws from PDP. (4) Lift PDP outward to gain access. (5) Disconnect connector J27 from connector P27. (6) Set multimeter to ohms. (7) Connect positive (+) probe of multimeter to connector PX7 pin 22. (8) Connect negative (-) probe of multimeter to connector J27 socket 16 and note reading on multimeter. (9) If continuity is not present, repair wire 1616 from splice E2 to connector J27 socket 16 (para 2-40) or replace WTEC II dashboard cable assembly (para 7-10) or WTEC III dashboard cable assembly (para 7-11). Change 1 2-455 TM 9-2320-365-20-1