TM 9-2320-302-20 0010 00-10 Table 1. Electrical System Troubleshooting Procedures - Continued. MALFUNCTION TEST OR INSPECTION CORRECTIVE ACTION Auxiliary Light Circuits - Continued 1.  Auxiliary Lights or Accessory Circuits Do Not Operate - Continued. 5.    Disconnect auxiliary lights accessory lockout relay. Check for +12 VDC at connector 85. If +12 VDC is present, go to step 6. If voltage is not present, check start/auxiliary 15A fuse. If defective,  replace  15A  fuse  (WP 0071 00). Check for continuity in lead    71AA    and    lead    71A.    If continuity is not indicated, repair lead   71AA   and   lead   71A   (WP 0119  00).  If  voltage  is  still  not present  at  connector  85,  replace vehicular  light  switch  (WP 0063 00). 6.    Disconnect auxiliary lights accessory lockout relay. Check for continuity in connectors 30 and 86 to ground. If  continuity  is  indicated,  go  to step 7. If continuity is not indicated, repair connector lead 30 or   connector   lead   86   to   ground (WP 0119 00). 7.    Check for +12 VDC at auxiliary light power bus. If +12 VDC is not present, check for  continuity  in  lead  420JD.  If continuity    is    indicated,    replace auxiliary  lights  power  relay  (WP 0071 00). 2.  No Power to Auxiliary Heater Fan Power Relay.  Disconnect auxiliary lights accessory lockout relay and heater fan power relay. Check for continuity in lead 71AA. If    continuity    is    not    indicated, repair lead 71AA (WP 0119 00). Worklight Power Receptacle Circuits 1.  Worklight Power Receptacles Do Not Operate.   1.    Check   worklight   receptacles 15A fuse. Replace 15A fuse if defective (WP 0071 00). 2.    Check  for  +12  VDC  at  lead 420JD    from    auxiliary    light power bus. If +12 VDC is present, go to step 3. If voltage is not present, repair lead 420JD (WP 0119 00). 3.    Check  for  +12  VDC  at  lead 73F for left and right worklight power receptacles. If   +12   VDC   is   present,   repair ground lead from worklight power receptacles.     If     voltage     is     not present, repair lead 73F (WP 0119 00). 2.  One   Worklight   Power   Receptacle   Does   Not Operate,    But    Other    Receptacle    Operates Normally. 1.    Check  for  +12  VDC  at  lead 73F to worklight power receptacle. If +12 VDC is present, go to step 2. If voltage is not present, repair lead 73F (WP 0119 00). 2.    Check  for  continuity  between receptacle and ground. If continuity is indicated, replace defective receptacle. If continuity is not indicated, repair ground lead (WP 0119 00).