The 250-3421 is a universal cruise control switch that mounts to the plastic shroud that surrounds the steering column, on the left hand side. It has an on/off, set and resume button. It is a "closed circuit" control switch designed to be used in conjunction with the 250-1223 electronic cruise control kit.
250-3421 Customer FAQ
Where does the 250-3421 switch mount?
It mounts on the left side of the plastic shroud surrounding the steering column.
Is the 250-3421 open circuit or closed circuit?
The listing identifies it as a closed-circuit control switch for the 250-1223 electronic cruise-control kit.
Which buttons are described on this switch?
The listing describes on/off, set and resume buttons.