TM-9-2320-365-20-1 LMTV Unit Maintenance Manual M1078 Series - Volume 1 Download
Page 613 of 1760
CONTINUITY TEST  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  Use care when testing electrical connectors.  Do not damage connector pins or sockets  with multimeter probes. Failure to comply  may result in damage to equipment.  CAUTION  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  (10) Position main light switch auxiliary lever to  OFF (TM 9-2320-365-10).  (11) Position main light switch main selector  lever to OFF (TM 9-2320-365-10).  (12) Disconnect dimmer switch test wire from  dimmer switch connector.  (13) Disconnect dimmer switch test wire from  connector PX24.  (1) Position dimmer switch for maximum  brightness (TM 9-2320-365-10).  (2) Install dimmer switch test wire pin in  connector PX24 socket 1.  (3) Install dimmer switch test wire socket  on dimmer switch connector pin 1.  (4) Set multimeter to volts DC.  (5) Connect positive (+) probe of multimeter  to dimmer switch connector socket 2.  (6) Connect negative (-) probe of multimeter to  ground.  (7) Position main light switch main selector  lever to SER DRIVE (TM 9-2320-365-10).  (8) Position main light switch auxiliary lever to  PNL BRT (TM 9-2320-365-10) and note  reading on multimeter.  (9) If 12 VDC is not present, replace dimmer  switch (para 7-12).  Change 1 2-380.25  TM 9-2320-365-20-1