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 2-853 (1) Lift cover on connector J95 intervehicular 12 VDC connector. (2) Set multimeter to volts DC. (3) Connect positive (+) probe of multimeter to connector J95 pin 4. (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 SER DRIVE (TM 9-2320-366-10-1). (7) Apply brakes and note reading on multimeter. (8) If 12 VDC is not present, go to step 2 of this fault. (9) If 24 VDC is present, perform Electrical System Troubleshooting (e61. One or Both Stoplights Do Not Illuminate) if towed vehicle is FMTV. If towed vehicle is not FMTV, refer to towed vehicle TM for troubleshooting procedures. (10) Position main light switch to OFF (TM 9-2320-366-10-1). (11) 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. CAUTION 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