TM-9-2320-365-20-1 LMTV Unit Maintenance Manual M1078 Series - Volume 1 Download
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VOLTAGE TEST  WARNING  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.  (1) Set multimeter to volts DC.  (2) Connect positive (+) probe of multimeter to  relay K26 socket 86 on PDP.  (3) Connect negative (-) probe of multimeter to  ground.  (4) Position master power switch to on  (TM 9-2320-365-10) and note reading on  multimeter.  (5) If 24 VDC is not present, go to step 47 of  this fault.  (6) Position master power switch to off  (TM 9-2320-365-10).  Change 1 2-227  TM 9-2320-365-20-1