Table 1. Lighting System Troubleshooting Procedures - continued

TM 9-2320-361-24-1

0013 00

LIGHTING AND WIPER SYSTEM TROUBLESHOOTING (Contd)

Table 1. Lighting System Troubleshooting Procedures (Contd).

MALFUNCTION

TEST OR INSPECTION

CORRECTIVE ACTION

Test 2. Test dimmer switch.

1. HEADLIGHT DOES

NOT OPERATE ON

1. Ensure body ground straps

1. Remove corrosion and dirt buildup from

LOW OR HIGH

are secure and clean.

ground lead connection.

BEAM, OR BOTH

2. Tighten screws connecting ground strap

HEADLIGHTS

to frame.

INOPERATIVE

2. Check dimmer switch input 1. If voltage is present, go to step 3.

(Contd)

voltage. Remove lead 16

2. If voltage is not present, go to test 3.

from dimmer switch.

3. Check lead 16 contact end

1. Remove lead 17 from dimmer switch to

for battery voltage. Check

pin L. Remove lead 18 from dimmer

dimmer switch continuity.

switch to pin L.

2. Set multimeter to RX 1 scale. Check

continuity between input pin and pin L.

3. If continuity is not found, push dimmer

switch to change from HIGH to LOW.

Recheck continuity.

4. If no continuity is present, replace

dimmer switch (WP 0111 00).

5. If continuity is present, check continuity

between pin H and input pin.

6. If continuity is present, push dimmer

switch to ON position to change from

LOW to HIGH.

7. If continuity is not present, replace

dimmer switch (WP 0111 00).

PIN L

MAL 1

INPUT PIN

TEST 2

STEP 2

PIN H

DIMMER

SWITCH

MAL 1

TEST 2

STEP 2

MAL 1

TEST 2

STEP 1

0013 00-3