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: View Of I/P Wiring To Front Passenger Door
Courtesy of GENERAL MOTORS CORP.
Fig 2: View Of Front Door Wiring (Front Passenger Shown, Driver Opposite)
Courtesy of GENERAL MOTORS CORP.
Fig 3: View Of Door Control Switches - Driver
Courtesy of GENERAL MOTORS CORP.
Fig 4: View Of Side Door Contact Plate And Side Door Jamb Switch Wiring