TM 5-2420-230-24-1
Table 3-6. Unit Troubleshooting Table. -- Continued
Malfunction
Test or Inspection
Corrective Action
44.
HEADLIGHT DOES NOT WORK.
Remove all jewelry such as rings, dog tags, bracelets, etc. If jewelry or tools contact positive electrical circuits, a
direct short may result. Damage to equipment and injury or death to personnel may occur.
Step 1.
Ensure master light switch is set correctly (TM 5-2420-230-10).
Step 2.
Check circuit breaker CB-24 in the Power Distribution Panel (PDP) (refer to FO-1).
If circuit breaker CB-24 is tripped, reset circuit breaker.
Step 3.
Ensure headlight is plugged in correctly (TM 5-2420-230-10).
Step 4.
Check for voltage at headlight bulb (1).
If voltage is present, replace headlight bulb (1) (Para 12-45).
Step 5.
Check wiring harness (2) for continuity.
If continuity is not present, replace wiring harness (2) (Para 12-27).
Step 6.
Check master light switch (3) to ensure it functions correctly.
If master light switch (3) does not function correctly, replace master light switch (Para 12-12).
Change 1
