CORRECTIVE ACTION Continued
Disconnect wire 516 from B.O. receiver lamp. Place red lead of multimeter in wire 516 and check
for voltage. If voltage is present, replace lamp socket (see WP 0178 00). If voltage is not present,
repair/replace wire 516 of switch panel to gage panel and miscellaneous switches wiring harness (see
WP 0205 00).
Remove infrared power supply to driver's periscope lead assembly from driver's periscope. Place
red lead of multimeter in wire 517 and black lead to ground. Turn MASTER and B.O. RECEIVER
switches on and check for voltage. Turn MASTER and B.O. RECEIVER switches OFF. If voltage is
present, notify Direct Support Maintenance. If voltage is not present, go to step 4.