WARNING: This page is about a different car, the 2003 Oldsmobile Aurora. However, it is still accessible from the selected car via links, so may be relevant.
Fig 1: Locating Lighting Systems Components (Front, Dash & Headliner) (1 of 2)
Courtesy of GENERAL MOTORS CORP.
Fig 2: Locating Lighting Systems Components (Rear & Doors) (2 of 2)