Inside the pedal itself right under the part that you tap with your foot for direction....swithchs are actuated by a metal plqte and is also a small magnet to keep it in position is simple to remove the whole assembly and look at.....should be a pin that holds the pedal assy. To the teuck with a cotter pin or eclip,remove this pin,unplug the electrical connection and remove the assy feom teuck