Circuit/System Description
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The diesel fuel conditioning module (DFCM) consists of a water separator, an electric prime pump, a fuel heater element, and a filter element. Fuel is heated by passing through the fuel heater element, which is operated by a built-in thermostatic switch. The thermostatic switch turns the heater element ON and OFF, depending on the fuel temperature. The fuel heater element has voltage when the ignition is ON. The warmed fuel then passes through the fuel filters to the fuel injection pump.