TM-9-2320-366-20-1 MTV Unit Maintenance Manual M1083 Series - Volume 1 Download
Page 1363 of 1824
TM 9-2320-366-20-1 Change 1 2-799 VOLTAGE TEST WARNING CONTINUITY TEST (1) Set multimeter to volts DC. (2) Connect positive (+) probe of multimeter to relay K31 terminal 30 on PDP. (3) Connect negative (-) probe of multimeter to ground. (4) Position main light switch to SER DRIVE (TM 9-2320-366-10-1) and note reading on multimeter. (5) If 24 VDC is not present, repair wire 1956 from K31 terminal 30 on PDP to circuit breaker CB44 terminal 6 (para 2-45) or replace WTEC II dashboard cable assembly (para 7-10) or WTEC III dashboaard cable assembly (para 7-11). (6) Position main light switch to OFF (TM 9-2320-366-10-1). 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. (1) Remove PDP cover (para 16-2). (2) Remove relay K31 from PDP. (3) Set multimeter to ohms. (4) Connect positive (+) probe of multimeter to connector J130 socket J. (5) Connect negative (-) probe of multimeter to relay K31 terminal 87 on PDP and note reading on multimeter. (6) If continuity is not present, go to step 6 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. 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