TM 9-2350-277-20-1SMOKE GRENADE LAUNCHER(S) MALFUNCTION (M113A3, M901A3, M981A3, ANDM1059A3 ONLY)—Continued0045 002Y1. Install jumper wire between harness 12313236 (right launcher) orharness 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 unitplug (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?YESNO2YN1. Smoke grenade wiring harness isOK. Faulty launcher or arming firingunit. Beyond unit maintenancerepair.2. Notify supervisor.3Y1. Is failing launcher on right side of carrier?YESNO3YN1. Smoke grenade wiring harness isOK. Faulty launcher or arming/firingunit. Beyond unit maintenancerepair.2. Notify supervisor.0045 00-2
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