Section 230 (Cruise Control Systems): Cable: Operation
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.
This cable causes the throttle control linkage to open or close the throttle valve in response to movement of the vacuum servo diaphragm.