Designed to improve engine cooling efficiency. <p>Designed to replace the traditional mechanical water pump, reducing the load on the engine and improving fuel efficiency. The LCD EWP and Fan Controller allows for precise control of the water pump speed and fan operation based on engine temperature. It includes an over-temperature warning light and an automatic shut-off feature to protect the engine from overheating. The controller can operate up to two electric fans and has a built-in diagnostic feature to detect any faults.</p>