K 1500 Yukon 4WD V8-5.3L VIN Z Flex Fuel (2003)
6. Remove the bulb from the headlamp assembly by twisting the bulb counterclockwise.
INSTALLATION PROCEDURE
1. Install the new bulb to the headlamp assembly by twisting the bulb clockwise in order to lock in place.
IMPORTANT:
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Replace a high beam bulb with another high beam bulb. The high beam bulb has a red gasket.
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Replace a low beam bulb with another low beam bulb. The low beam bulb has a gray tip and a yellow gasket at the base.
1. Connect the electrical connector to the bulb.
2. Install the headlamp assembly.
3. Install the headlamp retainer pins.
