TM 9-2350-256-20-1
0062 00
CORRECTIVE ACTION Continued
6.
Reconnect APU control box to foot dimmer switch and bulkhead wiring harness to APU control box.
Remove four screws (10), four lockwashers (11), and pull rear panel (12) from APU control box (9).
Disconnect wire 419 from panel connector side of 15 A circuit breaker. Place red lead of multimeter in
wire 419 and black lead to ground. Turn MASTER switch on, and check for voltage. Turn MASTER
switch OFF. If voltage is present, go to step 7. If voltage is not present, repair/replace wire 419 of APU
control box wiring harness (see WP 0438 00).
7.
Reconnect wire 419 to panel connector side of 15 A circuit breaker. Disconnect wire 419 from APU
FUEL SHUTOFF switch side of 15 A circuit breaker. Place red lead of multimeter on terminal of circuit
breaker and black lead to ground. Turn MASTER switch on and check for voltage. Turn MASTER
switch OFF. If voltage is present, go to step 8. If voltage is not present, replace 15 A circuit breaker
(see WP 0438 00).
0062 00-6