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Home >> Ford >> 2000 >> RV Cutaway 6.8 S >> Repair and Diagnosis >> Accessories & Equipment >> Cruise Control Systems >> System Tests >> Test B: Set Speed Fluctuates

Test B: Set Speed Fluctuates

  1. Ensure ignition is off. Disengage speed control servo/actuator cable from servo/actuator. Inspect cable by pulling end of cable and observing throttle movement. If cable is okay, go to next step. Replace cable if broken or binding and retest system operation.
  2. Drive vehicle and observe speedometer operation without using speed control. If speedometer needle fluctuates, repair speedometer as necessary. See ANALOG INSTRUMENT PANELS - ECONOLINE article. If speedometer needle does not fluctuate, replace speed control servo/actuator and retest system operation.