TM 10-3930-659-20 Table 4-2.  Electrical Troubleshooting (Con't). MALFUNCTION TEST OR INSPECTION CORRECTIVE ACTION Step 4.  Inspect turn signal/emergency flashers for burned out lamps or damaged turn signal/emergency flashers. Replace burned out lamps (see paragraph 6-22 or 6-25). Replace damaged turn signal/emergency flashers (see paragraph 6-22 or 6-25). Step 5.  Check turn signal/emergency flashers switch for continuity (see paragraph 2-27). Replace damaged turn signal/emergency flashers switch (see paragraph 6-19). Step 6.  Check wiring harnesses for brake light and turn signals/emergency flashers circuit for continuity (see paragraphs 2-27 and 6-73). Repair or replace damaged connectors or wires (see paragraph 2-28). 18.  DRIVING LIGHTS ARE NOT WORKING. Step 1.  Check driving light and taillight fuse for continuity (see paragraph 2-27). Replace damaged 15 amp fuse (see paragraph 6-13). Step 2.  Check accessory relay within driving light and taillight circuit of load center wiring harness for voltage and continuity (see paragraphs 2-27 and 6-73). Replace damaged accessory relay (see paragraph 6-12). Step 3.  Inspect driving lights for burned out lamps or damaged driving lights. Replace burned out lamps (see paragraph 6-21). Replace damaged driving lights (see paragraph 6-21). Step 4.  Check driving light switch for continuity (see paragraph 2-27). Replace damaged driving light switch (see paragraph 6-11). Step 5.  Check wiring harnesses for driving light and taillight circuit for continuity (see paragraphs 2-27 and 6-73). Repair or replace damaged connectors or wires (see paragraph 2-28). 19.  BRAKE LIGHTS ARE NOT WORKING. Step 1.  Check brake light fuse for continuity (see paragraph 2-27). Replace damaged 10 amp fuse (see paragraph 6-13). Step 2.  Check accessory relay within brake light and turn signal/emergency flashers circuit of load center wiring harness for voltage and continuity (see paragraphs 2-27 and 6-73). Replace damaged accessory relay (see paragraph 6-12). 4-32

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