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FOG LAMPS CONDITION POSSIBLE CAUSES CORRECTION FOG LAMPS ARE DIM 1. Loose or corroded battery cables. 1. Clean and secure battery cable clamps 2. Loose or worn generator drive belt. 2. Adjust or replace generator drive belt. 3. Charging system output too low. 3. Test and repair charging system. 4. Battery has insufficient charge. 4. Test battery state-of -charge. 5. Battery is sulfated or shorted. 5. Load test battery. 6. Poor lighting circuit Z1-ground. 6. Test for voltage drop across Z1-ground 7. Faulty CTM. 7. Replace CTM. FOG LAMP BULBS BURN 1. Charging system output too high. 1. Test and repair charging system. 2. Loose or corroded terminals or 2. Inspect and repair all connectors and 3. Faulty CTM. 3. Replace CTM. FOG LAMPS ARE DIM 1. Charging system output too low. 1. Test and repair charging system. 2. Poor lighting circuit Z1-ground. 2. Test for voltage drop across Z1-ground 3. High resistance in fog lamp circuit. 3. Test amperage draw of fog lamp circuit. 4. Faulty CTM. 4. Replace CTM. FOG LAMPS FLASH 1. Poor lighting circuit Z1-ground. 1. Test for voltage drop across Z1-ground 2. High resistance in fog lamp circuit. 2. Test amperage draw of fog lamp circuit. 3. Faulty fog lamp switch. 3. Replace headlamp switch. 4. Loose or corroded terminals or 4. Inspect and repair all connectors and 5. Faulty CTM. 5. Replace CTM. FOG LAMPS DO NOT 1. Blown fuse for fog lamp. 1. Replace fuse. 2. No Z1-ground at fog lamps. 2. Repair circuit ground. 3. Faulty fog lamp switch. 3. Replace headlamp switch. 4. Broken connector terminal or wire 4. Repair connector terminal or wire splice. 5. Faulty or burned out bulb. 5. Replace bulb. 6. Faulty CTM. 6. Replace CTM. FOG LAMPS ARE 1. Fog lamp/DRL* feed shorted to 1. Check wiring circuit from fog lamp/DRL* FOG LAMPS ARE 1. Fog lamp/DRL* fuse defective. 1. Trace short circuit and replace fuse. 2. Open circuit from fog lamp fuse to 2. Check wiring circuit from fog lamp/DRL* 8L - 8 LAMPS/LIGHTING - EXTERIOR AN LAMPS/LIGHTING - EXTERIOR (Continued) |