GM Service Manual Online
For 1990-2009 cars only

Application

GM SPO Group Number

Heater and A/C Control (Control Assembly RPO C60)

9.273

Heater and A/C Control Vacuum Harness (RPO C60)

9.281

Heater Control (Control Assembly RPO C42)

8.849

Heater Control Vacuum Harness (RPO C42)

8.850