2005 GMC Yukon Owner's Manual - Page 420

9. Reinstall the turn signal assembly back into the vehicle placing the hook and posts on the inner side into the alignment holes first, then the outer side into the retainer bracket until you hear a click. 10. Reinstall the headlamp assembly. Roof Marker Lamps To replace a roof marker lamp bulb, do the following: 1. Remove the two screws and lift off the lens. Side Identification Marker Lamps To replace a side identification marker bulb, do the following: 1. Locate the lamp gasket near the rear wheel to expose the service slot and pull back the edge. 2. Using a flat tool, push into the slot to release the lamp housing. 3. Pull the housing out to expose the wiring harness and connector. 4. Unplug the lamp assembly harness from the housing. 5. Unplug the lamp. 6. Put in a new lamp and snap it into the housing. 7. Reinstall the lamp housing. 5-52