1998 GMC Suburban Owner's Manual - Page 330

Composite Headlamps 3. Unplug the electrical connector. 4. Turn the bulb to the left and remove it. 5. Put the new bulb into the lens assembly and turn it to the right until it is tight. I . Remove the two hex head pins at the top of the radiator support, as shown. 2. Pull the headlamp lens assembly out. 6. Plug in the electrical connector. 7. Put the headlamp lens assembly back into the vehicle. Install and tighten the two hex head pins. 6-38