TM 9-2350-256-20-1
0042 00
CORRECTIVE ACTION Continued
2.
Remove three screws (1), three lockwashers (2), ground lead (3), flat washer (4), and release main
switch panel (5) from mounting brackets. Ground panel housing. Disconnect wire 459 from MASTER
switch. Place red lead of multimeter on switch terminal and black lead to ground. Turn MASTER
switch on and check for voltage. Turn MASTER switch OFF. If voltage is present, repair/replace wire
459 from MASTER switch to lamp connector (see WP 0219 00). If voltage is not present, go to step 3.
3.
Reconnect wire 459 MASTER switch. Disconnect wire 459B from MASTER switch. Place red lead
of multimeter in wire 459B and black lead to ground. Turn MASTER switch on and check for voltage.
Turn MASTER switch OFF. If voltage is present, replace master switch (see WP 0159 00). If voltage
is not present, go to step 4.
4.
Reconnect wire 459B to MASTER switch. Disconnect switch panel to head lamps and bulkhead wiring
harness from main switch panel. Place red lead of multimeter in socket G of wire 459B and black lead
to ground. Turn MASTER switch on and check for voltage. Turn MASTER switch OFF. If voltage is
present, replace/repair wire 459B of switch panel. If voltage is not present, go to step 5.
0042 00-4
