Simple Installation: The digital thermatic fan switch kit comes with a sensor installed between the radiator fins of the vehicle. Follow the included wiring diagram to connect the fan controller to your vehicle's electrical system, making it a hassle-free upgrade for most vehicles
Dual Voltage Support (12V/24V): This radiator fan controller has a maximum operating voltage for fans of 12 - 27V. Works with 12V and 24V systems (24V relays need to be replaced, included). Install away from exhaust manifolds or extreme heat sources for safety.