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

Blower Controls


Object Number: 1360838  Size: FS
Master Electrical Component List
Underhood Fuse Block HVAC FLWR, ABS and Horn Fuses
I/P Fuse Block HVAC and S/ROOF HTD/SEAT Fuses
I/P Fuse Block HVAC and S/ROOF HTD/SEAT Fuses
G201 (2 of 2)
G203
G201 (2 of 2)
G203
Figure 2:

Compressor Controls - Sirius D4


Object Number: 1471569  Size: FS
Master Electrical Component List
Underhood Fuse Block A/C, DEFOG, and MIR HTD Fuses
I/P Fuse Block CLSTR, AIR BAG, BCK/UP and ENG FUSE BOX DRL Fuses
Controlled/Monitored Subsystem References
Controlled/Monitored Subsystem References
G102
Figure 3:

Compressor Controls - MR-140


Object Number: 1471568  Size: FS
Master Electrical Component List
Underhood Fuse Block A/C, DEFOG, and MIR HTD Fuses
I/P Fuse Block CLSTR, AIR BAG, BCK/UP and ENG FUSE BOX DRL Fuses
Controlled/Monitored Subsystem References
Controlled/Monitored Subsystem References
Controlled/Monitored Subsystem References
G102
Figure 4:

Compressor Controls - HV-240


Object Number: 1471570  Size: FS
Master Electrical Component List
Underhood Fuse Block A/C, DEFOG, and MIR HTD Fuses
I/P Fuse Block CLSTR, AIR BAG, BCK/UP and ENG FUSE BOX DRL Fuses
Controlled/Monitored Subsystem References
Controlled/Monitored Subsystem References
G102
Figure 5:

Air Delivery and Temperature Controls


Object Number: 1455076  Size: FS
Master Electrical Component List
HVAC Sensors
I/P Fuse Block HVAC and S/ROOF HTD/SEAT Fuses
Underhood Fuse Block BATT PWR, IGN 1 and IGN 2 Fuses, Ignition Switch, I/P Fuse Block - RADIO, IMMOBILIZER, DLC, AUTO A/C, HAZARD LAMPS, RKE, TCM, REAR
I/P Illumination w/o Dimming
Stationary Windows
Wiper System - Notchback
Manual Transmission Schematics - D16
Vehicle Speed and Input Speed Sensors
Manual Transmission Schematics - D20
Vehicle Speed Signal
G203
G203
Figure 6:

HVAC Sensors


Object Number: 1455077  Size: FS
Master Electrical Component List
Air Delivery and Temperature Controls