TM 9-2350-277-20-1
INFRARED HEADLIGHT(S) DON’T WORK—Continued
0032 00
BY
1. Install harness 8763491 circuit 514 or 515 plug on IR head light.
2. Measure resistance between dimmer switch jack (1) pins C (2) to
A (3) and between pins C (2) to B (4). Multimeter should read 0
ohms once and infinity once.
3. Click dimmer switch and repeat above test. Multimeter should
read infinity once and 0 ohms once.
4. Is dimmer switch working properly?
YES
NO
BYN
1. Replace dimmer switch
(WP 0333 00).
2. Verify no faults found.
B2Y
1. Faulty harness 12349881 circuit 514 or 515. Beyond unit
maintenance repair.
2. Notify supervisor.
0032 00-6
