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Home >> Cadillac >> 2000 >> DeVille V8-4.6L VIN 9 >> Repair and Diagnosis >> Lighting and Horns >> Headlamp >> Description and Operation >> Lighting System Description

Lighting System Description

The headlamps consist of two interchangeable single filament bulbs which provide high and low beams: the lower bulb in the headlamp is the high beam and the upper bulb is the low beam. These bulbs also serve the daytime running lamp function.