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• Test condition of headlamp relay. • Check for loose or corroded connector terminals or SYMPTOM Headlamps do not illuminate. ACTION • Test headlamp relay. • Test headlamp switch. • Test high-beam headlamp dimmer switch. • Check for loose or corroded connector terminals or FOG LAMP DIAGNOSIS The fog lamp system receives voltage from the headlamp relay when the low-beam headlamps are turned ON. The high-beam headlamp dimmer switch SYMPTOM Fog lamps do not illuminate. ACTION • Test for voltage at fog lamp connector. • Test for proper fog lamp ground. • Test circuit fuse. • Test fog lamp switch. • Test high-beam headlamp dimmer switch. • Test headlamp relay. • Test for open circuit in wire harness. 8L - 2 LAMPS Ä |