TM 9-2350-277-20-1
BLACKOUT MARKER LIGHT(S) DON’T WORK—Continued
0034 00
5Y
1. Remove harness 8763491 plug (1) from harness 12349881 jack
(2) at vehicle bulkhead.
2. Measure voltage between harness 12349881 jack (2), pin D (3),
and ground.
3. Does multimeter read less than 17 volts?
YES
NO
5YN
1. Replace harness 8763491
(WP 0373 00).
2. Verify no faults found.
6Y
1. Install harness 8763491 circuit 20 jack on right BO marker light.
2. Faulty harness 12349881 circuit 20. Beyond unit maintenance
repair.
3. Notify supervisor.
BY
1. Are only both BO taillights out or only both BO markers out?
YES
NO
BYN
GO TO CY (PAGE 0034 00-5)
B2Y
1. Are both BO taillights out?
YES
NO
B2YN
1. Faulty harness 12349881 circuit 20.
Beyond unit maintenance repair.
2. Notify supervisor.
0034 00-3
