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

Blower Controls and Air Delivery


Object Number: 1254686  Size: FS
Master Electrical Component List
Air Delivery Description and Operation
A/C Compressor Controls - 2.2L
Fuse Block Underhood Fuses: HVAC Blower, Radio, CD/DLC Fuse Block-Left I/P Fuses: IGN3
Fuse Block Underhood Fuses: HVAC Blower, Radio, CD/DLC Fuse Block-Left I/P Fuses: IGN3
G300, G304
A/C Compressor Controls - 2.2L
A/C Compressor Controls - 2.2L
G305, G401, G399, G400
G300, G304
G300, G304
Figure 2:

A/C Compressor Controls- 2.2L


Object Number: 1254690  Size: FS
Master Electrical Component List
Air Delivery Description and Operation
A/C Compressor Controls - 3.0L
Blower Controls, Air Delivery
Fuse Block-Underhood: IGN3; Fuse Block-Right I/P: Heated Seat
G300, G304
G118
Fuse Block - Underhood Bus
Fuse Block-Underhood: IGN3; Fuse Block-Right I/P: Heated Seat
Fuse Block Underhood Fuses: HVAC Blower, Radio, CD/DLC Fuse Block-Left I/P Fuses: IGN3
G300, G304
Blower Controls, Air Delivery
Blower Controls, Air Delivery
DLC Schematics (2.2L)
G118
G300, G304
G300, G304
Figure 3:

A/C Compressor Controls- 3.0L


Object Number: 1254692  Size: FS
Master Electrical Component List
Air Delivery Description and Operation
A/C Compressor Controls - 2.2L
Fuse Block Underhood Fuses: AC, Fuel Pump, ENG Control, ENG Control2, ENG Control3
Fuse Block - Underhood Bus
Fuse Block-Underhood: IGN3; Fuse Block-Right I/P: Heated Seat
G102, G110, G118, G114
Fuse Block Underhood Fuses: HVAC Blower, Radio, CD/DLC Fuse Block-Left I/P Fuses: IGN3
Blower Controls, Air Delivery
Blower Controls, Air Delivery
Engine Data Sensors-Low References
Engine Data Sensors-Low References
Engine Data Sensors-5 Volt Reference
G102, G110, G118, G114
G300, G304
G300, G304
G300, G304