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 2-747 VOLTAGE TEST (1) Disconnect connector P74 (LH) or connector P61 (RH) from stoplight connector. (2) Set multimeter to volts DC. (3) Connect positive (+) probe of multimeter to connector P74 or connector P61. (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 STOPLIGHT (TM 9-2320-366-10-1). (7) Apply brakes and note reading on multimeter. (8) If 12 VDC is not present, go to step 6 of this fault. (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). (11) Position main light switch to OFF (TM 9-2320-366-10-1). (12) Connect connector P74 or connector P61 to stoplight connector. 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. 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.