TM 9-2320-272-24-1
Table 2-3. Electrical Troubleshooting (Contd).
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
25. SYSTEM OPERATES INCORRECTLY IN ONE OR MORE POSITIONS OF DIRECTIONAL SIGNAL CONTROL LEVER
Test directional signal control unit continuity.
Step 1. Place battery switch to OFF position.
Step 2. Remove harness connector from control unit.
NOTE
Remove indicator lamp before making tests.
Step 3. Remove indicator lamp from directional signal control (para. 3-113).
Step 4. Set multimeter to RX1 for continuity reading.
Step 5. Set control lever in each of four operating positions and test.
If any lead does not test as shown in tables below, replace directional signal control unit
A. DIRECTIONAL SIGNAL CONTROL LEVER
C. DIRECTIONAL SIGNAL CONTROL LEVER
IN NEUTRAL POSITION
IN RIGHT TURN POSITION
FROM PIN
TO PIN
CONTINUITY
FROM PIN
TO PIN
CONTINUITY
INDICATED
INDICATED
H
A
Open
F
G
Shorted
B
H
H
Open
A
Shorted
C
H
Open
H
E
Shorted
E
H
Open
H
B
Open
C
H
D
Shorted
C
Open
E
D
Shorted
D
C
Shorted
G
F
Open
D
E
Open
B. DIRECTIONAL SIGNAL CONTROL LEVER
D. DIRECTIONAL SIGNAL CONTROL LEVER
IN LEFT TURN POSITION
IN HAZARD WARNING POSITION
FROM PIN
TO PIN
CONTINUITY
FROM PIN
TO PIN
CONTINUITY
INDICATED
INDICATED
B
A
H
Shorted
H
Shorted
B
H
C
Shorted
H
Shorted
A
C
Open
H
H
Shorted
E
Open
H
H
E
Shorted
G
Shorted
D
F
E
Open
D
E
D
Shorted
C
Open
G
D
C
F
Open
Shorted
END OF TESTING!
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