TM 9-2320-364-20-3 2-2524 1.  NO CRANE FUNCTIONS WORK USING REMOTE CONTROL (CONT). 6. Repair wire 8 (see schematic Fig 2-58) or notify DS Maintenance. Verify repair, go to Step 8 of this Fault. YES NO All crane functions operate   using controls mounted on   crane. Violet wire from terminal 8 to   remote control connector outlet   terminal H OK. Green wire from remote control   connector, terminal B to crane   junction box ground OK. Remote control unit cable OK. Remote control unit wire 4 OK. ON/OFF EMERGENCY STOP   switch OK. Remote control unit wire 8 from   ON/OFF switch to four terminal   connector faulty. Remote control unit wire 2   faulty. KNOWN INFO POSSIBLE PROBLEMS TEST OPTIONS REASON FOR QUESTION Continuity test. STE/ICE-R #91. If wire 8 is loose, faulty or shorted to ground, 22 to 28 vdc will not be present at controllers through four terminal connector. WARNING 7. Repair wire 2 (see schematic Fig 2-58) or notify DS Maintenance.   Verify repair, go to Step 8 of this Fault YES NO All crane functions operate   using controls mounted on   crane. Violet wire from terminal 8 to   remote control connector outlet   terminal H OK. Green wire from remote control   connector, terminal B to crane   junction box ground OK. Remote control unit cable OK. Remote control unit wire 4 OK. ON/OFF EMERGENCY STOP   switch OK. Remote control unit wire 8 from   ON/OFF switch to four terminal   connector is OK. Remote control unit wire 2   faulty. KNOWN INFO POSSIBLE PROBLEMS TEST OPTIONS REASON FOR QUESTION Continuity test. STE/ICE-R #91. If wire 2 between the four terminal connector and hookup terminal B is loose, faulty or shorted, controller will not be grounded. Is continuity measured on wire 8A between boom four terminal connector and ON/OFF EMERGENCY STOP switch? Is continuity measured between remote control connector, terminal B and wire 2 at boom four terminal connector? Read   WARNING on Page 2-2525 WARNING Read   WARNING on Page 2-2525