TM 9-2350-261-20-1
1.
2.
3.
Measure resistance of circuit 19B from terminal 2 (1) of
switch S1 (2) and A2 (3) of relay K5 (4).
Measure resistance of circuit 20A from terminal 3 (5) of
switch S1 (2) and A3 (6) of relay K5 (4).
Does multimeter read 0 ohms?
1.
2.
3.
Remove leads 19A and 19B from switch S1 positing 2.
Measure resistance with switch S1 (1) in both up and
down positions.
Does multimeter read 0 ohms when switch is down and
infinite ohms when switch is up?
1. Faulty leads 19B and/or
20A.
2. Notify your Supervisor.
1. Replace switch S1
(page 40.1-33).
2. Verify no faults found.
3-336.104
C h a n g e 3
