TM 9-2350-261-20-1
1. Install a jumper wire on wiring harness 12313234
(1) connector between pins A (2) and D (3) on
cable assembly 11647665 (4).
2. Measure resistance between circuits 509B (5) and
509C (6) at M42 alarm.
3. Does multimeter read 0 ohms?
1. Remove jumper wire.
2. Repair cable assembly
11647665 (page 14-3).
3. Verify no faults found.
1. Faulty M42 alarm. Notify your supervisor.
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