TM 9-2350-277-20-1
SMOKE GRENADE LAUNCHER(S) MALFUNCTION (M113A3, M901A3, M981A3, AND
M1059A3 ONLY)—Continued
0045 00
2Y
1. Install jumper wire between harness 12313236 (right launcher) or
harness 12313235 (left launcher) and circuit 7 (1) or 799 jacks
(2).
2. Remove smoke grenade wiring harness from arming/firing unit.
3. Measure resistance between harness 12313235 arming/firing unit
plug (4) pins C (5) and D (6) (left launcher check) or pins E (7)
and F (8) (right launcher check).
4. Does multimeter read more than 0 ohms for both measurements?
YES
NO
2YN
1. Smoke grenade wiring harness is
OK. Faulty launcher or arming firing
unit. Beyond unit maintenance
repair.
2. Notify supervisor.
3Y
1. Is failing launcher on right side of carrier?
YES
NO
3YN
1. Smoke grenade wiring harness is
OK. Faulty launcher or arming/firing
unit. Beyond unit maintenance
repair.
2. Notify supervisor.
0045 00-2
