Owner's Manual
Page 325
...OnStar® Universal Hands Free Phone Power Outlet 1 Power Outlet 2 Body Control Module 1 Body Control Module 4 Body Control Module 8 18 19 20 17 Fuses 11 12 13 14 15 16 Usage Front Heater Ventilation Air Conditioning/Blower Passenger Seat Driver Seat Diagnostic Link Connector Airbag Trunk Heater Ventilation Air Conditioning Controller ... 26 Relays R1 R2 R3 Fuses 21 22 23 24 Usage 9-45 Instrument Panel Cluster Discrete Logic Ignition Switch Body Control Module 3 Body Control Module 2 Rear Heater Ventilation Air Conditioning/Blower AC/DC Inverter Usage Trunk Relay Not Used Power Outlet Relay
...OnStar® Universal Hands Free Phone Power Outlet 1 Power Outlet 2 Body Control Module 1 Body Control Module 4 Body Control Module 8 18 19 20 17 Fuses 11 12 13 14 15 16 Usage Front Heater Ventilation Air Conditioning/Blower Passenger Seat Driver Seat Diagnostic Link Connector Airbag Trunk Heater Ventilation Air Conditioning Controller ... 26 Relays R1 R2 R3 Fuses 21 22 23 24 Usage 9-45 Instrument Panel Cluster Discrete Logic Ignition Switch Body Control Module 3 Body Control Module 2 Rear Heater Ventilation Air Conditioning/Blower AC/DC Inverter Usage Trunk Relay Not Used Power Outlet Relay