TM-9-2320-365-20-1 LMTV Unit Maintenance Manual M1078 Series - Volume 1 Download
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CONTINUITY TEST VOLTAGE TEST (1) Remove main light switch (para 7-17). (2) Position main light switch to SER DRIVE (TM 9-2320-365-10). (3) Set multimeter to ohms. (4) Connect positive (+) probe of multimeter to main light switch terminal M. (5) Connect negative (-) probe of multimeter to main light switch terminal F and note reading on multimeter. (6) If continuity is not present replace main light switch (para 7-17). (7) Position main light switch to OFF (TM 9- 2320-365-10). (8) Install main light switch (para 7-17). 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 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 (1) Remove PDP cover (para 16-2). (2) Remove relay K7 form PDP. (3) Set multimeter to volts DC. (4) Connect positive (+) probe of multimeter to PDP terminal 86, where relay K7 was removed. (5) Connect negative (-) probe of multimeter to ground. (6) Position main light switch to SER DRIVE (TM 9-2320-365-10) and note reading on multimeter. (7) If 12 VDC is not present, go to step 9 of this fault. (8) Position main light switch to OFF (TM 9- 2320-365-10). Change 1 2-515 TM 9-2320-365-20-1