Table 3. Directional Signal Systems Troubleshooting Procedures - continued

TM 9-2320-361-24-1

0013 00

LIGHTING AND WIPER SYSTEM TROUBLESHOOTING (Contd)

Table 3. Directional Signal Systems Troubleshooting Procedures (Contd).

MALFUNCTION

TEST OR INSPECTION

CORRECTIVE ACTION

Test 6. Test for voltage at rear

1. DIRECTIONAL

composite light.

SIGNAL

INOPERATIVE

1. Disconnect lead 22-461 at left

(Contd)

rear composite light

2. Turn main light switch to

SERVICE DRIVE position.

3. Place turn signal switch in left

position.

4. Set multimeter to a voltage

range that will measure

24 VDC.

5. Touch multimeter negative

lead to frame ground.

6. Touch multimeter positive lead

1. If voltage does fluctuate, go to

to contact end of lead 22-461.

test 7.

Voltage should fluctuate at a

2. If voltage does not fluctuate, go to

rate of 1 or 2 cycles per second.

test 8.

Test 7. Test continuity of filament and

socket for turn signal lamp.

Check continuity between lead

1. If continuity is present, reconnect

22-460-461 attached to rear composite

lead 22-460-461 and check turn

light and frame ground.

signal operation.

2. If continuity is not present, replace

turn signal lamp (WP 0102 00).

Test 8. Test continuity of lead 22-461

from turn signal switch to rear

harness connector.

1. Set multimeter to RX 1 scale.

2. Disconnect cable connector at

turn signal switch.

3. Disconnect lead 22-461 from

rear composite light.

4. Touch multimeter negative

lead to contact end of lead

22-461.

5. Touch multimeter positive lead

If continuity is not present, repair or

to contact end of lead 22-461 at

replace lead 22-461 (WP 0090 00).

turn signal cable connector

(pin C).

0013 00-16