TM-9-2320-366-20-1 MTV Unit Maintenance Manual M1083 Series - Volume 1 Download
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CONTINUITY TEST  TM 9-2320-366-20-1  Change 1 2-604.127  (1) Remove two screws and lens cover from  middle rear marker light base.  (2) Remove middle rear marker light lamp from  socket.  (3) Set multimeter to ohms.  (4) Check continuity through middle rear  marker light lamp and note reading on  multimeter.  (5) If continuity is not present, replace middle  rear marker light lamp (para 7-38) and  go to step 12 of this fault if required.  (6) Install middle rear marker light lamp in  socket.  (7) Install lens cover on middle rear marker  light base with two screws.