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 2-765  CONTINUITY TEST  (1) Set multimeter to ohms.  (2) Connect positive (+) probe of multimeter  to terminal lug TL18 (LH) or TL21 (RH).  (3) Connect negative (-) probe of multimeter  to blackout stoplight lamp socket and  note reading on multimeter.  (4) If continuity is not present, replace  composite taillight assembly (para 7-39).  (5) If continuity is present, replace lamp  (para 7-39).  (6) Install lamp in socket.  (7) Install preformed packing and cover on  housing with six screws.