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

Primary Blower, and Air Delivery Controls - C60/C42


Object Number: 1703770  Size: FS
Master Electrical Component List
Air Temperature Description and Operation
Body Control Module (BCM) Programming/RPO Configuration
Compressor Controls - C60
B+ Bus - Underhood Fuse Block
A/C, BLOWER, DOOR LOCK, HTD SEAT, ONSTAR, TBC, TURN/HAZ FR, and TURN/HAZ RR Fuses
Splice Pack SP106 and G106 - 1 of 2
Splice Pack SP106 and G106 - 1 of 2
Figure 2:

Compressor Controls - C60


Object Number: 1703797  Size: FS
Master Electrical Component List
Air Temperature Description and Operation
Body Control Module (BCM) Programming/RPO Configuration
Primary Blower and Air Delivery Controls - C60/C42
RUN/CRANK RELAY BUS - 1 of 3, CRUISE, SIR, and TRANS Fuses
RUN/CRANK RELAY BUS - 2 of 3, CRUISE, SIR, and TRANS Fuses
RUN/CRANK RELAY BUS - 2 of 3, CRUISE, SIR, and TRANS Fuses
Splice Pack SP1`05 and G105 - 1 of 2