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

Front Blower Controls


Object Number: 795591  Size: FS
Master Electrical Component List
Air Delivery Description and Operation
HVAC Compressor Control
DRL/HVAC/TEMP/HTD ST, HVAC BLOWER, RR HVAC/TEMP CONT fuses
DRL/HVAC/TEMP/HTD ST, HVAC BLOWER, RR HVAC/TEMP CONT fuses
EBCM, BATT Main 1, RADIO and PARK LP Fuses
EBCM, BATT Main 1, RADIO and PARK LP Fuses
Underhood Accessory Wiring Junction Block, STOP LAMP, HAZARD, PASSKEY, FRT HVAC HI BLWR and HEADLAMP circuit breaker
G200
Figure 2:

HVAC Compressor Control


Object Number: 795592  Size: FS
Master Electrical Component List
Air Temperature Description and Operation
Front Air Delivery
Front Blower Controls
G200
Underhood Accessory Wiring Junction Block
G114, G117
Fuel Control Figure
G114, G117
Figure 3:

Front Air Delivery


Object Number: 795593  Size: FS
Master Electrical Component List
Air Delivery Description and Operation
Rear Blower Controls
HVAC Compressor Control
DRL/HVAC/TEMP/HTD ST, HVAC BLOWER, RR HVAC/TEMP CONT fuses
DRL/HVAC/TEMP/HTD ST, HVAC BLOWER, RR HVAC/TEMP CONT fuses
G200
Figure 4:

Rear Blower Controls


Object Number: 795594  Size: FS
Master Electrical Component List
Air Delivery Description and Operation
Rear Blower Controls with Video Entertainment
Front Air Delivery
DRL/HVAC/TEMP/HTD ST, HVAC BLOWER, RR HVAC/TEMP CONT fuses
DRL/HVAC/TEMP/HTD ST, HVAC BLOWER, RR HVAC/TEMP CONT fuses
G401
Rear Window Wiper/Washer and Multifunction Switch, Window and Door Lock Switches
G401
Rear Window Wiper/Washer and Multifunction Switch, Window and Door Lock Switches
G200
Figure 5:

Rear Blower Controls with Video Entertainment


Object Number: 795595  Size: FS
Master Electrical Component List
Air Delivery Description and Operation
Rear Air Delivery
Rear Blower Controls
DRL/HVAC/TEMP/HTD ST, HVAC BLOWER, RR HVAC/TEMP CONT fuses
DRL/HVAC/TEMP/HTD ST, HVAC BLOWER, RR HVAC/TEMP CONT fuses
G401
Rear Window Wiper/Washer and Multifunction Switch, Window and Door Lock Switches
G200
Figure 6:

Rear Air Delivery


Object Number: 795596  Size: FS
Master Electrical Component List
Air Delivery Description and Operation
Rear Air Delivery Controls with Video Entertainment
Rear Blower Controls with Video Entertainment
DRL/HVAC/TEMP/HTD ST, HVAC BLOWER, RR HVAC/TEMP CONT fuses
DRL/HVAC/TEMP/HTD ST, HVAC BLOWER, RR HVAC/TEMP CONT fuses
G401
G401
Figure 7:

Rear Air Delivery Controls with Video Entertainment


Object Number: 795597  Size: FS
Master Electrical Component List
Air Temperature Description and Operation
Rear Air Delivery
DRL/HVAC/TEMP/HTD ST, HVAC BLOWER, RR HVAC/TEMP CONT fuses
DRL/HVAC/TEMP/HTD ST, HVAC BLOWER, RR HVAC/TEMP CONT fuses
G401
G401