TM-9-2320-366-20-1 MTV Unit Maintenance Manual M1083 Series - Volume 1 Download
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TM 9-2320-366-20-1 Change 1 2-639 VOLTAGE TEST WARNING (1) Loosen six screws and remove cover and preformed packing from housing. Discard preformed packing. (2) Open blackout marker lamp. (3) Remove blackout marker lamp from socket. (4) Set multimeter to volts DC. (5) Connect positive (+) probe of multimeter to LED socket center contact. (6) Connect negative (-) probe of multimeter to ground. (7) Position main light switch to BO MARKER (TM 9-2320-366-10-1) and note reading on multimeter. (8) If 12 VDC is not present, repair wire 24 from LED socket center contact to splice E19 (para 2-45) or replace rear lights cable assembly (para 7-84 or 7-104). (9) 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.