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

Blower Motor and Air Delivery


Object Number: 1226353  Size: FS
Master Electrical Component List
Air Delivery Description and Operation
A/C Compressor Controls- 2.2L
0 Fuse Block-Underhood Bus
G300, G304
Fuse Block-Underhood : HVAC Blower, Radio/Onstar and CD/DLC - Fuse Block-Left I/P : IGN3
G305, G401, G399 and G400
2.2L
3.0L
Figure 2:

A/C Compressor Control- 2.2L


Object Number: 1226359  Size: FS
Master Electrical Component List
Air Delivery Description and Operation
A/C Compressor Controls- 3.0L
Blower Motor and Actuators
Fuse Block-Underhood : IGN3 - Fuse Block-Right I/P : Heated Seat
Fuse Block-Underhood : AC, Fuel Pump, ENG Control1, ENG Control2 and ENG Control3
G118
2.2L
G118
Figure 3:

A/C Compressor Control- 3.0L


Object Number: 1226362  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
G118
Engine Data Sensors- Low References
Engine Data Sensors- Low References
Engine Data Sensors- 5 Volt References
G118