Automotive Relay We deliver high-grade Automotive Relay that is suitable for car alarm system, wiper control box, automatic door locking system and other applications. This relay plays an integral role in vehicle and equipment and electrical system. It is 5 terminal change over relay with plastic housing and built-in mounting tab. Also, the offered relay is installed with resistors, capacitors and other components. In addition, this Automotive Relay is perfect for electrical control adjustment, power sunroof, car control switching etc.