TM-9-2320-366-20-1 MTV Unit Maintenance Manual M1083 Series - Volume 1 Download

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TM 9-2320-366-20-1 Change 1 2-767 CAUTION (1) Set multimeter to volts DC. (2) Disconnect connector P77 (LH) or connector P63 (RH) from blackout stoplight connector. (3) Connect positive (+) probe of multimeter to connector P77 or connector P63. (4) Connect negative (-) probe of multimeter to ground. (5) Position master power switch to on (TM 9-2320-366-10-1). (6) Position main light switch to BO DRIVE (TM 9-2320-366-10-1). (7) Apply brakes and note reading on multimeter. (8) If 12 VDC is not present, repair wire 23 from connector P77 (LH) or connector P63 (RH) to splice E18 or splice E46 (M1089) or splice E30 (M1088) (para 2-45) or replace rear lights cable assembly (para 7-84 or 7-104). (9) If 12 VDC is present, replace composite taillight assembly (para 7-39). (10) Position master power switch to off (TM 9-2320-366-10-1). VOLTAGE 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. 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. WARNING (11) Position main light switch to OFF (TM 9-2320-366-10-1). (12) Install lamp in socket. (13) Install preformed packing and cover on housing with six screws.