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

Front Blower Motor


Object Number: 472325  Size: FS
HVAC Components
Air Delivery Description and Operation
Rear Blower Motor - DeVille/DHS
Handling ESD Sensitive Parts Notice
Handling ESD Sensitive Parts Notice
Power and Grounding Connector End Views Fuse Blocks and Ignition Switch
Rear Fuse Block Battery Voltage
G201 - Steering Column
Body Control System Connector End Views
Figure 2:

Rear Blower Motor -- DeVille/DHS


Object Number: 472326  Size: FS
HVAC Components
Air Delivery Description and Operation
Rear Blower Motor - DTS
Front Blower Motor
Handling ESD Sensitive Parts Notice
Rear Fuse Block Battery Voltage
Power and Grounding Connector End Views Fuse Blocks and Ignition Switch
Data Link Connector Schematics
Interior Lights Schematics w/o V4U/B9Q
G200
Figure 3:

Rear Blower Motor -- DTS


Object Number: 472327  Size: FS
HVAC Components
Air Delivery Description and Operation
Rear Blower Motor - DeVille/DHS
Handling ESD Sensitive Parts Notice
Rear Fuse Block Battery Voltage
Power and Grounding Connector End Views Fuse Blocks and Ignition Switch
Data Link Connector Schematics
Interior Lights Schematics w/o V4U/B9Q
G201 - Steering Column
G201 - Console Harness