TM-9-2320-365-20-1 LMTV Unit Maintenance Manual M1078 Series - Volume 1 Download
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(14) Install lockwasher, terminal lug TL133, lockwasher, and nut on back of LH cab marker light base. (15) Install LH cab marker light base on vehicle with four screws. (16) Install LH cab marker light lamp in socket. (17) Install lens cover on base with two screws. (9) If 12 VDC is not present, repair wire 1949 from connector P129 socket to splice E25 (para 2-40) or replace LH door and cab marker lights cable assembly (para 7-54). (10) If 12 VDC is present, replace LH cab marker light (para 7-31). (11) Position main light switch to OFF (TM 9-2320-365-10). (12) Install gasket on LH cab marker light base. (13) Connect marker light connector to connector P129. (2) Remove nut, lockwasher, terminal lug TL133, and lockwasher from LH cab marker light base. Discard lockwashers. (3) Extend base and disconnect connector P129 from marker light connector. (4) Remove gasket from LH door marker light base. Discard gasket. (5) Set multimeter to volts DC. (6) Connect positive (+) probe of multimeter to connector P129 socket. (7) Connect negative (-) probe of multimeter to ground. (8) Position main light switch to SER DRIVE (TM 9-2320-365-10) and note reading on multimeter. Do not let wires slip through hole into cab structure. If wires slip into cab structure, vehicle will need further disassembly to retrieve wires. NOTE (1) Remove four screws from LH cab marker light base. 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 Change 1 2-543 TM 9-2320-365-20-1 VOLTAGE TEST (Cont)