1998 GMC Sonoma Owner's Manual - Page 288

Two-Piece Front Turn Signal LampAssembly 4.. Remove the headlamp assembly as shown under "Two-Piece Composite Headlamp System" earlier in this section. 2. Locate the locking tabs on the assembly. Squeeze the tabs together and push that end of the assembly out while holding the tabs. The assembly will swing out. 4. Turn the harness bulb socket to the left to remove it. 5. Push the new bulb into the socket until it snaps into place. 3. Unplug the electrical connector. 6 . Put the new bulb into the headlamp lens assembly and turn it to the right until it is tight. 7. To replace the assembly, snap the outboard end of the lamp assembly back into the vehicle. Then swing the assembly in and snap it into place. 6-38