TM-9-2320-365-20-1 LMTV Unit Maintenance Manual M1078 Series - Volume 1 Download
Page 1067 of 1760
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. CAUTION 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. NOTE Inspect connector pins/sockets for damage, corrosion, and serviceability. Check that connector pins are not pushed back and are capable of making good contact. VOLTAGE TEST (1) Remove PDP cover (para 16-2). (2) Remove relay K10 from PDP. (3) Set multimeter to volts DC. (4) Connect positive (+) probe of multimeter to PDP, socket 87A, where relay K10 was removed. (5) Connect negative (-) probe of multimeter to ground. (6) Position main light switch to SER DRIVE (TM 9-2320-365-10). (7) Position hazard lights switch to on (TM 9-2320-365-10) and note reading on multimeter. TM 9-2320-365-20-1 Change 1 2-681 (8) If volts DC pulse is not present, Repair wire 1566 from relay K10 socket 87A to connector PX14 socket 2 (para 2-40) or replace WTEC II dashboard cable assembly (para 7-10) or WTEC III dashboard cable assembly (para 7-11). (9) If volts DC is present, replace relay K10 (para 7-9). (10) Position hazard lights switch to off (TM 9-2320-366-10-1). (11) Position main light switch to OFF (TM 9-2320-366-10-1). (12) Install relay K10 in PDP. (13) Install PDP cover (para 16-2).