TM-9-2320-365-20-1 LMTV Unit Maintenance Manual M1078 Series - Volume 1 Download
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WARNING Change 1 2-755 TM 9-2320-365-20-1 CONTINUITY TEST (1) Set multimeter to ohms. (2) Connect positive (+) probe of multimeter to relay K28 terminal 85 on PDP. (3) Connect negative (-) probe of multimeter to ground and note reading on multimeter. (4) If continuity is not present, repair wire 3056 from K28 terminal 85 on PDP to terminal board TB2 position 22 (para 2-40) or replace WTEC II dashboard assembly (para 7-10) or WTEC III dashboard cable assembly (para 7-11). (5) If continuity is present, replace relay K28 (para 7-9). (6) Install relay K28 in PDP. (7) Install PDP cover (para 16-2). 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. VOLTAGE TEST (1) Set multimeter to volts DC. (2) Connect positive (+) probe of multimeter to relay K28 terminal 86 on PDP. (3) Connect negative (-) probe of multimeter to ground. (4) Position main light switch to SER DRIVE (TM 9-2320-365-10) and note reading on multimeter. (5) If 12 VDC is not present, repair wire 1955 from relay K28 terminal 86 on PDP to terminal board TB1 position 5 (para 2-40) or replace WTEC II dashboard cable assembly (para 7-10) or WTEC III dashboard cable assembly (para 7-11). (6) Position main light switch to OFF (TM 9-2320-365-10).