WARNING: This page is about a different car, the 2005 Chevrolet Corvette. However, it is still accessible from the selected car via links, so may be relevant.
Fig 1: Park Lamp Control, Front Park, Marker and Position Lamps Schematics
Courtesy of GENERAL MOTORS CORP.
Fig 2: Rear Park, Marker and License Lamps Schematics
Courtesy of GENERAL MOTORS CORP.
Fig 3: Hazard, Stop Lamps, and Turn Signal Inputs Schematics
Courtesy of GENERAL MOTORS CORP.
Fig 4: Hazard, Stop Lamps, and Turn Signal Outputs Schematics