TM-9-2320-365-20-1 LMTV Unit Maintenance Manual M1078 Series - Volume 1 Download
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KNOWN INFO TEST OPTIONS  Continuity Test or  STE/ICE-R Test #91  REASON FOR QUESTION  POSSIBLE PROBLEMS  Faulty dashboard cable  assembly.  2.  If continuity is not present,  wire 3020 is faulty. If  continuity is present, wire  1908 is faulty.  CAUTION  Read CAUTION  on following page.  NO  YES  e17. RADIATOR FAN OFF SWITCH DOES NOT ILLUMINATE (CONT)  REAR BRAKE AIR gage  illuminates.  Rocker switch lamp OK.  Is continuity present from  connector PX1A socket 2 to  a known good ground?  Repair wire 3020 from connector PX1A  socket 2 to connector PX5 socket 1  (para 2-40) or replace WTEC II dashboard  cable assembly (para 7-10) or WTEC III  dashboard cable assembly (para 7-11).  Repair wire 1908 from connector PX1A  socket 1 to connector PX5 socket 2  (para 2-40) or replace WTEC II dashboard  cable assembly (para 7-10) or WTEC III  dashboard cable assembly (para 7-11).  TM 9-2320-365-20-1  2-374 Change 1