TM 9-2350-277-20-1
LEFT REAR UTILITY OUTLET/BLOWER DOES NOT WORK (M577A3 AND M1068A3
ONLY)Continued
0043 00
3Y
1. Turn MASTER SWITCH to OFF.
2. Remove eight nuts (1), washers (2), and screws (3) from master
switch panel (4) and distribution box (5). Pull panel away from
distribution box.
3. Remove circuit 37B plug (6) from circuit breaker jack (7).
4. Turn MASTER SWITCH to ON.
5. Measure voltage between circuit breaker jack (7) and ground.
6. Does multimeter read less than 17 volts?
YES
NO
3YN
1. Turn MASTER SWITCH to OFF.
2. Faulty rear main wiring harness
circuit 37B. Beyond unit
maintenance repair.
3. Notify supervisor.
4Y
1. Remove circuit 10 plug (1) from circuit breaker jack (2).
2. Measure voltage between circuit 10 plug (1) and ground.
3. Does multimeter read less than 17 volts?
YES
NO
4YN
1. Turn MASTER SWITCH to OFF.
2. Replace circuit breaker
(WP 0280 00).
3. Verify no faults found.
0043 00-2