GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Buick 🢒 2001 🢒 Century 🢒 HVAC 🢒 HVAC Systems - Manual 🢒 HVAC Schematics
Figure 1:

Blower Controls
Object Number: 784568 Size: FS
Master Electrical Component List
Air Delivery Description and Operation
Compressor Controls
Blower, Cruise, HVAC
Blower, Cruise, HVAC
Batt 1 Fuse
Batt 1 Fuse
Batt 2
G200, Page 2 of 2
Figure 2:

Compressor Controls
Object Number: 590725 Size: FS
Master Electrical Component List
Air Temperature Description and Operation
Temperature Actuators
Blower Controls
Cluster, BCM, PCM, BTSI
Power Bussing for Fuse Block-Underhood page 2 of 2
G100,G111 and G113
G100,G111 and G113
Power Bussing for Fuse Block-Underhood page 2 of 2
Fuel Pump and FTP Sensor
Fuel Pump Control, FTP
Power Bussing for Fuse Block-Underhood page 2 of 2
G113
G113
Figure 3:

Temperature Actuators
Object Number: 590726 Size: FS
Master Electrical Component List
Air Temperature Description and Operation
Air Delivery System
Compressor Controls
Blower, Cruise, HVAC
Blower, Cruise, HVAC
G200, Page 1 of 2
Figure 4:

Air Delivery System
Object Number: 590727 Size: FS
Master Electrical Component List
Air Delivery Description and Operation
Temperature Actuators