TM-9-2320-361-24-1

2-1/2 TON, 6X6, M44A2 SERIES TRUCKS

TECHNICAL MANUAL; FIELD AND SUSTAINMENT MAINTENANCE PART 1 OF 2

AUGUST 2006

TM-9-2320-361-24-1 - Page 226 of 1176

TM 9-2320-361-24-1

0013 00

0013 00-14

LIGHTING AND WIPER SYSTEM TROUBLESHOOTING (Contd)

MALFUNCTION

TEST OR INSPECTION

CORRECTIVE ACTION

1. DIRECTIONAL

SIGNAL

INOPERATIVE

(Contd)

Test 4. Test continuity of front

composite light wiring harness.

1. Disconnect lead 461 from front

composite light.

2. Disconnect cable connector at

turn signal switch.

3. Set multimeter to RX 1 scale.

4. Touch multimeter negative

lead to pin B at cable

connector.

5. Touch multimeter positive lead

to contact end of 461 at front

composite light.

Test 5. Test continuity of turn signal

switch.

1. Disconnect cable connector at

turn signal switch.

2. Place turn signal switch in left

position.

3. Touch multimeter negative

lead to pin G of turn signal

switch.

4. Touch multimeter positive lead

to pin B 461 (front left) and pin

C 22-461 (left rear) of turn

signal switch.

5. Place turn signal lever in right

position.

6. Touch multimeter positive lead

to pin A 460 (right front) and

pin E (right rear) at turn

signal switch.

7. Touch multimeter positive lead

to pin F at turn signal switch.

1. If continuity is not present, repair or

replace lead 461 (WP 0090 00).

2. Perform test 4 again. If lamp fails to

flash, go to test 5.

If continuity is not present, replace

turn signal switch (WP 0102 00).

If continuity is not present, replace

turn signal switch (WP 0102 00).

If continuity is not present, replace

turn signal switch (WP 0102 00).

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