TM 9-2350-247-20-1
INFRARED HEADLIGHT(S) DOES NOT OPERATE—Continued
0037 00
4Y
1. Measure resistance between main harness circuit 514/515 selector
switch plug (1) and beam selector switch plug (2) pin C (3).
2. Does multimeter read 0 ohms?
YES
NO
4YN
1. Install beam selector switch and
main harness plug on beam selector
switch.
2. Repair main harness circuit 514/515
(WP 0294 00).
3. Verify no faults found.
5Y
1. Install beam selector switch and main wiring harness plug on
beam selector switch.
2. Install main wiring harness circuit 514/515 plug on IR/BO select
switch jack.
3. Remove main harness plug (1) from light switch jack (2).
4. Measure resistance between wiring main harness light switch
plug (1) pin D (3) and IR/BO select circuit 520 plug (4).
5. Does multimeter read 0 ohms?
YES
NO
5YN
1. Repair main wiring harness circuit
520 (WP 0294 00).
2. Verify no faults found.
0037 00-3
