PRNDL Display
WARNING: This page does not describe the selected car, but rather 6 other vehicles, including the 2001 GMC Savana Special, 2001 GMC Savana Camper Special, 2001 GMC Savana, 2001 Chevrolet RV Cutaway, and 2001 Chevrolet Cutaway. However, it is still accessible from the selected car via links, so may be relevant.
IPC displays selected gear position as determined by PRNDL circuit board. PRNDL circuit board receives a combination of 2-4 grounded inputs from park/neutral position switch indicating gear position.