Electronic wiper switches with intermittent delay feature for permanent magnet electric wiper motors. Ensures dependable control of windshield wiper on heavy duty vehicles. Control most two-speed wiper motorsPush-to-wash function for 1-3 wipes after releaseConform to SAE J1455, SAE J112a and J234Hex nut and lock washer included12/24VDCOff/Park - Intermittent Range - Low - High