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 2. Test for voltage at front

1. DIRECTIONAL

composite light.

SIGNAL

INOPERATIVE

1. Disconnect lead 461 at left

(Contd)

front composite light.

2. Place turn signal lever in left

position.

3. Set multimeter to range that

will measure 24 volts.

4. Touch multimeter negative

lead to frame ground.

5. Touch multimeter positive lead

1. If voltage does fluctuate, go to

to contact end of lead 461.

test 3.

Voltage should fluctuate at

2. If voltage does not fluctuate, go to

rate of 1 or 2 cycles per second.

test 4.

Test 3. Test continuity of filament and

1. If continuity is present, reconnect

socket for turn signal lamp.

leads 460-461 and check turn signal

Check continuity between lead

operation. If turn signal operates

460-461 attached to front

but does not flash, go to tests 6

composite light and frame

and 7.

ground.

2. If continuity is not present, replace

turn signal lamp (WP 0122 00).

MAL 1

TEST 2

STEPS 4 AND 5

491

460/461

MAL 1

TURN SIGNAL

TEST 3

LIGHT

0013 00-13