TM 9-2350-256-20-1
0045 00
CORRECTIVE ACTION Continued
2.
Disconnect wire 54A of switch panel to head lamps and bulkhead wiring harness from fire extinguisher
interlock switch. Place red lead of multimeter on wire 54A and black lead to ground. Turn MASTER
switch on, and check for voltage. Turn MASTER switch OFF. If voltage is present, go to step 3. If
voltage is not present, replace/repair wire 54 of switch panel to headlamps and bulkhead wiring harness.
3.
Reconnect wire 54A of switch panel to head lamps and bulkhead wiring harness to fire extinguisher
interlock switch. Disconnect wire 54A on output side of fire extinguisher interlock switch from
connector. Place red lead of multimeter in wire 54A and black lead to ground. Turn MASTER
switch on, release fire extinguisher interlock switch, and check for voltage. Turn MASTER and fire
extinguisher interlock switches OFF. If voltage is present, reconnect wire 54A on output side of fire
extinguisher interlock switch to connector and, go to step 4. If voltage is not present, repair/replace fire
extinguisher interlock switch assembly (see WP 0165 00).
0045 00-3
