TM-9-2320-365-20-1 LMTV Unit Maintenance Manual M1078 Series - Volume 1 Download
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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. 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. VOLTAGE TEST (1) Remove instrument panel assembly for access (para 7-15). (2) Disconnect connector J19 from turn signal switch connector. (3) Set multimeter to volts DC. (4) Connect positive (+) probe of multimeter to connector J19 socket 5. (5) Connect negative (-) probe of multimeter to ground. (6) Position main light switch to SER DRIVE (TM 9-2320-365-10). (7) Position hazard lights switch to on (TM 9-2320-365-10) and note reading on multimeter. TM 9-2320-365-20-1 Change 1 2-679 (8) If volts DC pulse is not present, Repair wire 1566 from connector PX14 socket 2 to connector J19 socket 5 (para 2-40) or replace WTEC II dashboard cable assembly (para 7-10) or WTEC III dashboard cable assembly (para 7-11). (9) If volts DC is present, replace turn signal switch (para 7-25). (10) Position hazard lights switch to off (TM 9-2320-365-10). (11) Position main light switch to OFF (TM 9-2320-365-10).