GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Buick 🢒 2001 🢒 Regal (China) 🢒 Body and Accessories 🢒 Wiring Systems 🢒 HVAC Schematics
Figure 1:

Blower
Object Number: 590729 Size: FS
Figure 2:

Compresser Controls
Object Number: 590732 Size: FS
Figure 3:

Air Delivery/Temperature Control
Object Number: 590734 Size: FS
Figure 4:

Air Delivery/Temperature Control
Object Number: 590737 Size: FS
Figure 5:

Air Delivery/Temperature Control
Object Number: 590741 Size: FS
Figure 6:

Air Delivery/Temperature Control
Object Number: 590744 Size: FS