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

Front Blower Controls w/o Front A/C


Object Number: 653863  Size: FS
Master Electrical Component List
Air Delivery Description and Operation
Rear Blower Controls w/o Rear A/C
IGN ACC and RUN
HTR-A/C, Brake, and Cruise Fuses
Battery and Fuse Block - Underhood
G200
G100, G102, and G103
Figure 2:

Rear Blower Controls w/o Rear A/C


Object Number: 654376  Size: FS
Master Electrical Component List
Air Delivery Description and Operation
Front Blower Controls w/ Front A/C
Front Blower Controls w/o Front A/C
IGN ACC and RUN
HTR-A/C, Brake, and Cruise Fuses
Battery and Fuse Block - Underhood
G104
Figure 3:

Front Blower Controls w/ Front A/C


Object Number: 653857  Size: FS
Master Electrical Component List
Air Delivery Description and Operation
Rear Blower Controls w/ Rear A/C, Page 1 of 2
Rear Blower Controls w/o Rear A/C
IGN ACC and RUN
HTR-A/C, Brake, and Cruise Fuses
Battery and Fuse Block - Underhood
G200
G100, G102, and G103
Figure 4:

Rear Blower Controls w/ Rear A/C, Page 1 of 2


Object Number: 653859  Size: FS
Master Electrical Component List
Air Delivery Description and Operation
Rear Blower Controls w/ Rear A/C, Page 2 of 2
Front Blower Controls w/ Front A/C
IGN ACC and RUN
Battery and Fuse Block - Underhood
HTR-A/C, Brake, and Cruise Fuses
Rear Blower Controls w/ Rear A/C, Page 2 of 2
G104
Figure 5:

Rear Blower Controls w/ Rear A/C, Page 2 of 2


Object Number: 653860  Size: FS
Master Electrical Component List
Air Delivery Description and Operation
Compressor Controls
Rear Blower Controls w/ Rear A/C, Page 1 of 2
Rear Blower Controls w/ Rear A/C, Page 1 of 2
Figure 6:

Compressor Controls


Object Number: 654380  Size: FS
Master Electrical Component List
Air Delivery Description and Operation
Rear Blower Controls w/ Rear A/C, Page 2 of 2
Battery and Fuse Block - Underhood
IGN RUN and START Bus Bar
IGN ACC and RUN
HTR-A/C, Brake, and Cruise Fuses
G104