TM 5-2420-230-24-1
Table 3-6. Unit Troubleshooting Table. -- Continued
Malfunction
Test or Inspection
Corrective Action
45.
TURN SIGNAL DOES NOT WORK.
Step 1.
Ensure master light switch is set correctly (TM 5-2420-230-10).
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 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.
Check for voltage at bulb (1).
If voltage is present at bulb (1), replace bulb (1) (Para 12-45).
If connections at bulb (1) are loose or broken, tighten or repair connections as necessary.
Step 4.
Check turn signal switch (2) to ensure it functions correctly.
If turn signal switch (2) does not function correctly, replace turn signal switch (Para 12-26).
Step 5.
Check wiring harness (3) for continuity.
If continuity is not present, replace wiring harness (3) (Para 12-27).
Step 6.
Check master light switch (4) to ensure it functions correctly.
If master light switch (4) does not function correctly, replace master light switch (Para 12-12).
Change 1
