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

Module Power, Ground, Serial Data, Front Blower Controls and Hybrid Cabin Heating


Object Number: 2075061  Size: FS
Figure 2:

Front Mode Controls


Object Number: 2075063  Size: FS
Figure 3:

Front Temperature Controls


Object Number: 2075065  Size: FS
Figure 4:

Front Temperature Sensors


Object Number: 2075069  Size: FS
Figure 5:

Auxiliary Blower Controls


Object Number: 2075071  Size: FS
Figure 6:

Auxiliary Mode and Temperature Controls


Object Number: 2075073  Size: FS
Figure 7:

Auxiliary Temperature Sensors


Object Number: 2075075  Size: FS
Figure 8:

A/C Compressor Controls (Except HP2)


Object Number: 2075078  Size: FS
Figure 9:

A/C Compressor Controls (HP2)


Object Number: 2075081  Size: FS