Removal and installation note, The lock nut of the brake pedal adjustment is located at the top of the brake pedal, not the switch. A bracket at the top of the brake pedal holds the brake light switch. Loosen the locknut then unscrew the switch from its bracket. Remove the lower panel fastener on driver's side before unclipping and removing it. Disconnect a wiring harness at a brake light switch. In 2013 and earlier models, loosen the locknut and unscrew the switch from the pedal bracket. In 2014 and later models, rotate this counterclockwise and remove it from a bracket. Insert stoplight switch until threaded end contacts pedal stop. For 2013 or older models, plug in electrical connector then move on to next procedure. On 2014 and later models, rotate clockwise to connect electrical connector then clockwise to connect electrical connector To reverse remainder installation for removal use below information provided above for direction. Adjustment for 2013 and earlier models, Check for proper height of brake pedal one should do this by loosing up locknut of switch so that it plunger protrusion falls within desired range as provided by manufacturer. Where unable to measure this distance adjust plunger so that it lightly engages with pedal stop Tighten up on locknut once done Hereafter, plug in an electric connector into your switches Ensure that when you press on your brake pedals, they show lights "ON" but are "OFF" when you release them; otherwise adjust again until bulbs function satisfactorily Check free play of your brake pedals if need be.