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PARK LAMPS NOTE: As part of the exterior lighting failsafe feature, upon ignition On the park lamps and the headlamp CONDITION POSSIBLE CAUSES CORRECTION PARK LAMP DOES NOT ILLUMINATE 1. Faulty or missing fuse. 1. Test and replace park lamp fuse as 2. Faulty or missing bulb. 2. Test and replace park lamp bulb as 3. Faulty or missing relay. 3. Test and replace park lamp relay as 4. Faulty ground circuit. 4. Test and repair open park lamp ground 5. Faulty supply circuit. 5. Test and repair open park lamp relay 6. Faulty switch. 6. Test and replace headlamp switch as PARK LAMP DOES NOT EXTINGUISH 1. Faulty supply circuit. 1. Test and repair shorted park lamp relay 2. Faulty relay. 2. Test and replace park lamp relay as 3. Faulty switch. 3. Test and replace headlamp switch as TURN SIGNAL LAMPS CONDITION POSSIBLE CAUSES CORRECTION ONE TURN SIGNAL LAMP DOES NOT ILLUMINATE 1. Faulty or missing bulb. 1. Test and replace turn signal bulb as 2. Faulty ground circuit. 2. Test and repair open ground circuit as 3. Faulty supply circuit. 3. Test and repair open right or left turn ALL RIGHT SIDE AND/OR ALL LEFT SIDE TURN SIGNAL LAMPS DO NOT FLASH 1. Faulty switch. 1. Test and replace multi-function switch as 2. Faulty signal circuit. 2. Test and repair open right or left turn ALL RIGHT SIDE OR ALL LEFT SIDE TURN SIGNALS FLASH TOO RAPIDLY (MORE THAN 100 FLASHES PER MINUTE) 1. Faulty or missing bulb. 1. Test and replace faulty bulb as required. 2. Faulty ground circuit. 2. Test and repair open ground circuit as 3. Faulty signal circuit. 3. Test and repair open right or left turn 8L - 86 LAMPS/LIGHTING - EXTERIOR - SERVICE INFORMATION ND |