TM 9-2350-277-20-1
LEFT REAR UTILITY OUTLET/BLOWER DOES NOT WORK (M577A3 AND M1068A3
ONLY)—Continued
0043 00
CY
1. Turn BLOWER SWITCH to OFF.
2. Remove circuit 59 plug (1) from blower motor jack (2).
3. Turn BLOWER SWITCH to ON.
4. Measure voltage between circuit 59 plug (1) and ground.
5. Does multimeter read less than 17 volts?
YES
NO
CYN
1. Replace blower motor (WP 0383 00).
2. Verify no faults found.
C2Y
1. Turn MASTER SWITCH to OFF.
2. Install a jumper wire between circuit 59 plug at blower motor and
ground.
3. Remove eight nuts (1), washers (2), and screws (3) from master
switch panel (4) and distribution box (5). Pull panel away from
distribution box.
4. Remove circuit 59 plugs (6) from blower switch (7).
5. Check for continuity between circuit 59 plugs (6).
6. Does multimeter read 0 ohms?
YES
NO
C2YN
1. Replace blower switch
(WP 0278 00).
2. Install master switch panel on
distribution box.
3. Verify no faults found.
0043 00-4
