TM-9-2320-366-20-1 MTV Unit Maintenance Manual M1083 Series - Volume 1 Download
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CONTINUITY TEST  CONTINUITY TEST  (1) Remove two screws and lens cover from  RH cab marker light base.  (2) Remove RH cab marker light lamp from  socket.  (3) Set multimeter to ohms.  (4) Check continuity through RH cab marker  light lamp and note reading on multimeter.  (5) If continuity is not present, replace RH cab  marker light lamp (para 7-38).  Change 1 2-579  TM 9-2320-366-20-1  (1) Remove two screws and lens cover from  RH door marker light base.  (2) Remove RH door marker light lamp from  socket.  (3) Remove four screws from RH door marker  light.  Do not let wires slip through hole into cab  structure. If wires slip into cab structure,  vehicle will need further disassembly to  retrieve wires.  (4) Remove nut, lockwasher, terminal lug  TL131, and lockwasher from RH door  marker light base. Discard lockwashers.  (5) Extend base and disconnect connector  P131 from marker light connector.  (6) Remove gasket from RH door marker light  base. Discard gasket.  (7) Set multimeter to ohms.  (8) Connect positive (+) probe of multimeter  to terminal lug TL131.  (9) Connect negative (-) probe of multimeter to  ground and note reading on multimeter.  (10) If continuity is not present from terminal lug  TL131 to ground, go to step 12 of this  fault.  NOTE