TM-9-2320-365-20-1 LMTV Unit Maintenance Manual M1078 Series - Volume 1 Download
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(13) Position main light switch to OFF (TM 9-2320-365-10). (14) Position master power switch to off (TM 9-2320-365-10). TM 9-2320-365-20-1 Change 1 2-718.1 (1) Remove three screws and washers from PDP. (2) Remove three screws from PDP. (3) Lift PDP outward to gain access. (4) Disconnect connector J51 from connector P51. (5) Set multimeter to volts DC. (6) Connect positive (+) probe of multimeter to connector J51 pin 5 (LH) or pin 4 (RH). (7) Connect negative (-) probe of multimeter to ground. (8) Position master power switch to on (TM 9-2320-365-10). (9) Position main light switch to STOPLIGHT (TM 9-2320-365-10). (10) Apply brakes and note reading on multimeter. (11) If 12 VDC is not present, got to step 9 of this faulty. (12) If 12 VDC is present, repair wire 461B from connector P51 socket 5 to connector P74 (LH) or wire 460B from connector P51 socket 4 to connector P61 (RH) or replace rear lights cable assembly (para 7-75). 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