WARNING: This page is about a different car, the 2003 GMC Safari and 2003 Chevrolet Astro. However, it is still accessible from the selected car via links, so may be relevant.
Fig 1: Turn Signal Switch, And Turn Signal/Hazard Flasher Module
Courtesy of GENERAL MOTORS CORP.
Fig 2: Turn Indicators, Front Marker Lamps, Front Park/Turn Signal Lamps
Courtesy of GENERAL MOTORS CORP.
Fig 3: Rear Marker Lamps, Tail/Stop And Turn Signal Lamps, CHMSL, And License Lamp