TM-9-2320-365-20-1 LMTV Unit Maintenance Manual M1078 Series - Volume 1 Download
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VOLTAGE TEST CAUTION 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. 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) Loosen screw in connector PX33. (2) Disconnect connector PX33 from WTEC II VIM. (3) Set multimeter to volts DC. (4) Connect positive (+) probe of multimeter to connector PX33 socket B1. (5) Connect negative (-) probe of multimeter to ground. (6) Position main light switch to SER DRIVE (TM 9-2320-365-10) and note reading on multimeter. (7) If 12 VDC is not present, repair wire 1903 from connector PX33 socket B1 to circuit breaker CB73 terminal 8 (para 2-40) or replace WTEC II dashboard cable assembly (para 7-10). (8) Position main light switch to OFF (TM 9-2320-365-10). Change 1 2-649 TM 9-2320-365-20-1