TM 9-2350-261-20-11. Measure resistance of circuit 19A between BLACK-OUT ENABLE switch S1 (1), terminal 2. and circuitbreaker CB17 (2), terminal 2.2. Does multimeter read 0 ohms for both readings?3-226.106Change 31. Replace lead 19A(page 40.1-33).2. Verify no faults found.
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