1. Check the operation of the actuator motor in each output linkage position according to the table. You should be able to hear the motor.

   Battery power polarities | Output linkage position
   --- | ---
   (+) | (−) | FULL CLOSE | MIDDLE POSITION | FULL OPEN
   No. 4 Terminal | No. 3 Terminal | The motor runs. | The motor runs. | The motor stops.
   No. 3 Terminal | No. 4 Terminal | The motor stops. | The motor runs. | The motor runs.

1. If the actuator motor does not operate as specified, replace the cruise control actuator assembly.