Where is the iac valve on 2000 gmc?

The Idle Air Control (IAC) valve on a 2000 GMC vehicle is typically located on the throttle body. It is usually mounted on the side or top of the throttle body assembly, connected by a couple of screws and an electrical connector. To access it, you may need to remove any air intake hoses or components that obstruct the view. Always refer to the vehicle's service manual for specific details and diagrams related to your model.