GM Service Manual Online
For 1990-2009 cars only

Reference on Schematic

Service Category Type Number - Service Category

Power Distribution - Cell 10

8A -10

Ground Distribution - Cell 14

8A -14

Cruise Control - Cell 34

8A - 34

Automatic Transaxle Controls - Cell 39

7 - Automatic Transaxle

Data Link Connector (DLC) - Cell 50

8A - 50

HVAC: Compressor Controls - Cell 64

8A - 64

Instrument Cluster - Cell 81

8A - 81