TM 10-3930-675-20-1 0006 00-10 TROUBLESHOOTING PROCEDURES (NON-ERROR CODE) - CONTINUED 0006 00 Table 2. Electrical Troubleshooting Procedures (Non-Error Code) - Continued. MALFUNCTION TEST OR INSPECTION CORRECTIVE ACTION BOOM AND TOPHANDLER WORK LIGHTS 11. Work Light(s) Do Not Operate When Switch is Turned On. 1. Check   position   of   blackout drive/marker light switch. Place blackout drive/marker light switch in OFF position. 2.  Ensure that work light circuit breaker numbers 12 and 17 are not tripped. Reset circuit breakers as required (WP 0073 00). 3.  Inspect work lights for damage or burned out lamps. a.  Replace   burned   out   lamps (WP 0084 00). b.  Replace  damaged  work  light (WP 0084 00). 4.  Check    work    light    wiring harnesses  and  connectors  for damage, continuity, and proper voltage (WP 0199 00- 46 and WP 0199 00-28). Repair or replace damaged wires or connectors (WP 0111 00). 5.  Check instrument panel rocker switches    for    damage    and continuity (WP 0199 00-46). Replace  damaged  rocker  switch (WP 0072 00). 6.  Remove    work    light    relay number 3013 (RL4) and check for shorted or damaged relay. Replace    shorted   or    damaged relay (WP 0073 00). BOOM INFRARED (IR) WORK LIGHTS 12. IR  Work  Light(s)  Do  Not  Operate  When Switch is Turned On. 1. Ensure that IR and work light circuit   breaker   numbers   16 and 12 are not tripped. Reset circuit breakers as required (WP 0073 00). 2.  Inspect IR lights for damage. Replace  damaged  IR  light  (WP 0089 00). 3.  Check IR light wiring harnesses  and  connectors  for damage, continuity, and proper voltage (WP 0199 00- 46). Repair or replace damaged wires or connectors (WP 0111 00). 4.  Remove   IR  and   work   light relay number 3013 (RL4) and check for shorted or damaged relay. Replace    shorted   or    damaged relay (WP 0073 00). 5.  Check instrument panel rocker switches    for    damage    and continuity (WP 0199 00-46). Replace  damaged  rocker  switch (WP 0072 00).