WARNING: This page is about a different car, the 2004 Cadillac Seville. However, it is still accessible from the selected car via links, so may be relevant.
Fig 1: DDM Power, Grounds, Inputs, and Outputs Schematic
Courtesy of GENERAL MOTORS CORP.
Fig 2: DDM Inputs, Outputs, and Class 2 Schematic
Courtesy of GENERAL MOTORS CORP.
Fig 3: FPDM Power, Grounds, Inputs, and Outputs Schematic
Courtesy of GENERAL MOTORS CORP.
Fig 4: FPDM Inputs, Outputs, and Class 2 Schematic
Courtesy of GENERAL MOTORS CORP.
Fig 5: LRDM Power, Ground, Inputs, Outputs, and Class 2 Schematic
Courtesy of GENERAL MOTORS CORP.
Fig 6: RRDM Power, Ground, Inputs, Outputs, and Class 2 Schematic