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

V6 VIN K


Object Number: 500621  Size: FS
A/C CRUISE and ETC Fuses
A/C CRUISE and ETC Fuses
HVAC and TURN B/U Fuses
HVAC and TURN B/U Fuses
HVAC Components
V8 VIN G
OBD II Symbol Description Notice
A/C HVAC Control
A/C HVAC Control
G112 V6 VIN K
Powertrain Control Module Connector End Views
Compressor Description 3.8 L
Figure 2:

V8 VIN G


Object Number: 500622  Size: FS
HVAC Components
Compressor Description 5.7 L
V6 VIN K
OBD II Symbol Description Notice
A/C CRUISE and ETC Fuses
A/C CRUISE and ETC Fuses
HVAC and TURN B/U Fuses
HVAC and TURN B/U Fuses
A/C Compressor Control
G112 V8 VIN G
Powertrain Control Module Connector End Views