TM 9-2350-277-20-1
SMOKE GRENADE LAUNCHER(S) MALFUNCTION (M113A3, M901A3, M981A3, AND
M1059A3 ONLY)—Continued
0045 00
4Y
1. Remove harness 12313236 plug (1) from harness 12313235 jack
(2) at vehicle bulkhead.
2. Measure resistance between harness 12313236 plug (1) pins A (3)
and B (4).
3. Does multimeter read continuity?
YES
NO
4YN
1. Replace harness 12313236
(WP 0366 00).
2. Verify no faults found.
5Y
1. Carrier wiring is OK. Faulty launcher or arming/firing unit.
Beyond unit maintenance repair.
2. Notify supervisor.
BY
1. Turn MASTER SWITCH to ON.
2. Measure voltage between harness 12313235 firing/arming unit
plug (1) pin A (2) and B (3).
3. Does multimeter read at least 17 volts?
YES
NO
BYN
1. Replace harness 12313235
(WP 0366 00).
2. Verify no faults found.
0045 00-3
