WARNING: This page is about a different car, the 2003 Pontiac Grand Am and 2003 Oldsmobile Alero. However, it is still accessible from the selected car via links, so may be relevant.
Fig 1: Locating Cruise Control Component (Right Side Of Engine Compartment)
Courtesy of GENERAL MOTORS CORP.
Fig 2: Locating Cruise Control Component (Near Steering Column)