GM Service Manual Online
For 1990-2009 cars only
Figure 1:

Front Air Delivery


Object Number: 600869  Size: FS
HVAC Components
HVAC Air Delivery/Temperature Control Circuit Description
Rear Air Delivery
HVAC Compressor and Auxiliary Coollant Bypass Pump Controls
HVAC Compressor and Auxiliary Coollant Bypass Pump Controls
Rear Air Delivery
HVAC Compressor and Auxiliary Coollant Bypass Pump Controls
Handling ESD Sensitive Parts Notice
EBCM, BATT Main 1 and Radio Fuses
EBCM, BATT Main 1 and Radio Fuses
Interior Lights Dimming Schematics (Cell 117: Heater-A/C Control Switches and Instrument Cluster)
Cell 14: G200
HVAC/DIC/DRL/Heated Seat, HVAC Blower and RR HVAC/TEMP CONT Fuses
HVAC/DIC/DRL/Heated Seat, HVAC Blower and RR HVAC/TEMP CONT Fuses
Figure 2:

Rear Air Delivery


Object Number: 600872  Size: FS
HVAC Components
HVAC Air Delivery/Temperature Control Circuit Description
Vacuums
Front Air Delivery
Front Air Delivery
Rear Blower Controls
HVAC/DIC/DRL/Heated Seat, HVAC Blower and RR HVAC/TEMP CONT Fuses
Interior Lights Dimming Schematics (Cell 117: Rear Window Wiper/Washer and Multifunction Switch, Window Switches, Door Lock Switches)
Cell 14: G401
Figure 3:

Vacuums


Object Number: 600874  Size: FS
HVAC Components
HVAC Air Delivery/Temperature Control Circuit Description
Handling ESD Sensitive Parts Notice
Rear Air Delivery