Prepare your semi truck to be Ready for the Road Ahead™, with the Grote 2-Pin Electromechanical Flasher that allows turn signals to flash at a regular interval. Thanks to its sophisticated design, this replacement tool is able to set a standard interval for the frequency of turn signals and hazard warning lights. Constructed with precise specifications to deliver 60-120 flashes per minute. FleetPride is your First Click in Heavy Duty®.