WARNING: This page is about a different car, the 2002 Oldsmobile Aurora and 2001 Oldsmobile Aurora. However, it is still accessible from the selected car via links, so may be relevant.
Fig 1: Reverse Lockout System Wiring Diagram (2001 Aurora)
Fig 2: Shift Interlock System Wiring Diagram (2001 Aurora)
Fig 3: Reverse Lockout System Wiring Diagram (2002 Aurora)
Fig 4: Shift Interlock System Wiring Diagram (2002 Aurora)