Section 108 (Cruise Control Systems): Cable: Description
WARNING: This page is about a different car, the 2002 Dodge Grand Caravan, 2002 Dodge Caravan, 2002 Chrysler Voyager, and 2002 Chrysler Town & Country. However, it is still accessible from the selected car via links, so may be relevant.
The speed control servo cable is connected between the speed control vacuum servo diaphragm and the throttle body control linkage.