W.S. Darley & Co. (Darley) is recalling certain 2017-2019 WASP fire trucks built on a Ford F-550 or Spartan Metro Star chassis equipped with Whelen brake lights. Depending on the specific wiring of the vehicle, these brake lights may illuminate when the brake pedal is not being pressed. As such, these vehicles fail to comply with Federal Motor Vehicle Safety Standard (FMVSS) number 108, "Lamps, Reflective devices, and Assoc. Equipment."