1999 Chevrolet Express Van Owner's Manual - Page 269

yellowblue Headlamps You have either a sealed beam headlamp or a composite system. Sealed Beam Headlamp Composite Headlamps 1. Open the hood. 2. Locate the rear side of each of the headlamps. 1. Remove the four screws from the headlamp retainer. Pull the retainer out and set it aside. 2. Unplug the lamp assembly from the connector. 3. Install a new headlamp. 4. Reverse the previous steps to reinstall the headlamp. 3. Without removing the headlamp assembly itself, remove the bulb assembly from the back of the headlamp on the driver's side by turning the bulb counterclockwise one quarter of a turn. 4. On the passenger's side, turn the bulb clockwise one quarter of a turn. Also, to remove the bulb on the passenger's side, you will need to move the battery. 6-33