MARKER AND CLEARANCE LIGHTS DO NOT WORK.

TM 9-2320-279-20-1

Troubleshooting Malfunctions (Cont)

Table 2-9.

Troubleshooting (Cont)

Malfunction

Test or Inspection

Corrective Action

ELECTRICAL SYSTEM (CONT)

13. MARKER AND CLEARANCE LIGHTS DO NOT WORK.

NOTE

If marker and clearance lights on vehicle are LED type, perform step (1.1).

Step 1.

Check for burned out or damaged marker and clearance light bulbs.

Replace burned out or damaged light bulbs (paras 7-66, 7-74).

Step 1.1. Check for damaged or defective LED type marker and clearance lights.

Replace LED marker and clearance light (para 7-62).

Step 2.

Remove side panel. Check CL LPS light switch for continuity.

Replace defective CL LPS light switch (para 7-39).

Step 3.

Disconnect batteries (para 7-91). Remove top panel. Check circuit breaker No. 3 for conti-

Replace defective circuit breaker No. 2 (para 7-43).

Step 4.

Check marker and clearance light circuits for continuity. Refer to FO-1, Electric Diagram.

Repair or replace broken wires or connectors.

Step 5.

Check for defective main light switch. Disconnect connector at main light switch and

check for 24 vdc on Socket F.

If 24 vdc is not present, trace wiring and find problem. Refer to FO-1, Electric Dia-

gram.

If 24 vdc is present, replace main light switch (para 7-41).

Step 6.

If problem has not been solved, notify the supervisor.

Change 5

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