TM 5-3805-261-20
LIGHT SYSTEM TROUBLESHOOTING AND MAINTENANCE PROCEDURES. (cont)
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
c.
HEADLIGHTS FAIL TO OPERATE.
Step 3. Test the continuity of the dimmer switch (Figure 7-107). Connect multimeter to the back of switch.
Figure 7-107
If the multimeter needle does not move, the circuit does not have continuity. Replace dimmer switch. Refer to
paragraph 7-74.
Step 4. Check the wiring harness for corrosion, cracks or breaks.
If the wiring harness is damaged or defective--repair. Refer to paragraph 7-117. If replacement is necessary--
contact Direct Support.
d.
INDIVIDUAL LIGHT FAILS TO OPERATE.
Step 1. Check the bulb.
If the bulb is burned out--replace.
Step 2. Check the wiring harness.
If the wiring harness is damaged or defective--repair. Refer to paragraph 7-117. If replacement is necessary--
contact Direct Support.
Step 3. Check individual light socket.
If corrosion is evident, or if the socket is damaged or defective replace.
7-182