Update your semi with enhanced backup protection, with the ECCO SPDT Heavy Duty 360º Backup Alarm Actuation Switch that ensures you're Ready for the Road Ahead™. Thanks to its ability to pair with internal wiring and the backup alarm, this replacement switch is able to help prevent unwanted accidents. Crafted with an all-metal housing to provide superior protection for wires that transfer power. FleetPride is your First Click in Heavy Duty®.