TM 9-2350-256-20-1
0065 00
CORRECTIVE ACTION Continued
10. Reconnect wire 25-27 to 15 A circuit breaker. Disconnect main lighting and B.O. selector switch
wiring harness from main switch panel. Place red lead of multimeter on pin K of wire 25-27 and black
lead to ground. Turn MASTER switch on and check for voltage. Turn MASTER switch OFF. If voltage
is present, go to step 11. If voltage is not present, repair/replace wire 25-27 of main lighting and B.O.
selector switch wiring harness (see WP 0218 00).
11. Place a jumper wire from wire 27G to terminal of master warning light. Place red lead of multimeter
in wire 509 and black lead to ground. Turn MASTER switch on, start engine, set to idle, and check for
voltage. Turn engine and MASTER switch OFF. If voltage is present, replace lamp (see WP 0157 00).
If voltage is not present, go to step 12.
0065 00-9
