TM 9-2350-277-20-1
SERVICE HEADLIGHTS DON’T WORK—Continued
0031 00
AY
1. Remove circuit 17 (high beam) plug (1) or circuit 18 (low beam)
plug (2) from failing service headlight jack (3).
2. Measure voltage between harness 12349881 circuit 17 plug (1) or
circuit 18 plug (2) and ground.
3. Does multimeter read less than 17 volts?
YES
NO
AYN
1. Replace service headlight bulb
(WP 0303 00).
2. Verify no faults found.
A2Y
1. Is failing headlight located on right side of carrier?
YES
NO
A2YN
1. Repair circuit 514 or 515 between
left IR headlight and dimmer switch
(WP 0382 00).
2. Verify no faults found.
A3Y
1. Remove harness 8763491 plug (1) from harness 12349881 jack
(2) at carrier bulkhead.
2. Measure voltage between harness 12349881 jack (2) pin C (low
beam) (3) or pin B (high beam) (4) and ground.
3. Does multimeter read less than 17 volts?
YES
NO
A3YN
1. Replace faulty harness 8763491
(WP 0373 00).
2. Verify no faults found.
0031 00-3
