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

Page 1089 of 1824

VOLTAGE TEST Change 1 2-604.157 TM 9-2320-366-20-1 CONTINUITY TEST (1) Remove two screws and lens cover from RH rear marker light base. (2) Remove RH rear marker light lamp from socket. (3) Set multimeter to ohms. (4) Check continuity through RH rear marker light lamp and note reading on multimeter. (5) If continuity is not present, replace RH rear marker light lamp (para 7-38) and go to step 9 of this fault if required. (6) Install RH rear marker light lamp in socket. (7) Install lens cover on RH rear marker light base with two screws. (1) Disconnect RH rear marker light connector from connector P89. (2) Set multimeter to volts DC. (3) Connect positive (+) probe of multimeter to connector P89. (4) Connect negative (-) probe of multimeter to ground. (5) Position main light switch to SER DRIVE (TM 9-2320-366-10-1) and note reading on multimeter. (6) Position main light switch to OFF (TM 9-2320-366-10-1). (7) If 12 VDC is not present, go to step 64 of this fault. Inspect connector pins/sockets for damage, corrosion, and serviceability. Check that connector pins are not pushed back and are capable of making good contact. Use care when testing electrical connectors not to bend connector pins or damage connector sockets with multimeter probes. Failure to comply may result in damage to equipment. CAUTION WARNING NOTE 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, or cause severe burns or electrical shock.