Next to the radiator. According to the Ford official website, the Ford Transit water temperature control switch is located next to the radiator in the engine compartment. It has a knob or button with a temperature scale to control the temperature of the engine coolant. Changan Ford Automobile Co., Ltd. (referred to as Changan Ford) was established on April 25, 2001. It is a well-known automobile joint venture in China. It is located in the Northern New District of Chongqing. It is jointly funded by Changan Automobile Co., Ltd. and Ford Motor Company. .