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

Blower Controls and Air Delivery


Object Number: 1204493  Size: FS
Master Electrical Component List
Air Delivery Description and Operation
A/C Compressor Controls- 2.2L
Fuse Block-Underhood : HVAC Blower, Radio/Onstar and CD/DLC - Fuse Block-Left I/P : IGN3
Fuse Block-Underhood : HVAC Blower, Radio/Onstar and CD/DLC - Fuse Block-Left I/P : IGN3
G300, G304
A/C Compressor Controls- 2.2L
A/C Compressor Controls- 2.2L
Interior Lights Dimming Schematics
G305, G401, G399 and G400
G300, G304
G300, G304
Figure 2:

A/C Compressor Controls- 2.2L


Object Number: 1204501  Size: FS
Master Electrical Component List
Air Delivery Description and Operation
A/C Compressor Controls- 3.0L
Blower Motor and Air Delivery
Fuse Block-Underhood : IGN3 - Fuse Block-Right I/P : Heated Seat
Fuse Block-Underhood : AC, Fuel Pump, ENG Control1, ENG Control2 and ENG Control3
Fuse Block-Underhood : IGN3 - Fuse Block-Right I/P : Heated Seat
Fuse Block-Underhood : HVAC Blower, Radio/Onstar and CD/DLC - Fuse Block-Left I/P : IGN3
G300, G304
Blower Motor and Air Delivery
Blower Motor and Air Delivery
2.2L
G118
G300, G304
G300, G304
Figure 3:

A/C Compressor Controls- 3.0L


Object Number: 1204506  Size: FS
Master Electrical Component List
Air Delivery Description and Operation
A/C Compressor Controls- 2.2L
Fuse Block-Underhood : AC, Fuel Pump, ENG Control1, ENG Control2 and ENG Control3
Fuse Block-Underhood : AC, Fuel Pump, ENG Control1, ENG Control2 and ENG Control3
G102, G110, G118, G114
Fuse Block-Underhood : HVAC Blower, Radio/Onstar and CD/DLC - Fuse Block-Left I/P : IGN3
Blower Motor and Air Delivery
Blower Motor and Air Delivery
Engine Data Sensors- Low References
Engine Data Sensors- 5 Volt References
G102, G110, G118, G114
G300, G304
G300, G304