Section 35 (Cruise Control Systems): Operation: Cable
WARNING: This page does not describe the selected car, but rather 8 other vehicles, including the 2003 Dodge Intrepid, 2003 Chrysler Intrepid, 2003 Chrysler Concorde, 2003 Chrysler 300M, and 2002 Dodge Intrepid. However, it is still accessible from the selected car via links, so may be relevant.
This cable causes the throttle control linkage to open or close the throttle valve in response to movement of the vacuum servo diaphragm.