1999 GMC Safari Owner's Manual - Page 284
1999 GMC Safari Manual
Page 284 highlights
yellowblue Composite Headlamps 1. Open the hood. 2. Remove the two screws from the sidemarker/turn signal lamp. 3. Completely remove the sidemarker/turn signal lamp by pulling out the assembly and disconnecting the sidemarker/turn signal lamp sockets from the lamp. 6-38