Originally Posted by BC_ZX3
Wheel speed sensors are irrelevant; they are used by the ABS braking system, if fitted.
I'll second that, right now my rear passenger side wheel speed sensor circuit definitely has an open and cruise control still works, so it apparently plays no role in the system. Anybody reading this, keep in mind the stuff in parenthesis was my interpretations and assumptions, and in this case wrong. The rest is straight from Ford.