Activation Mount & Blade Electric Fan Activation Switch Wiring.?

Electric fan activation switch wiring.? - activation mount & blade

I have a switch activated electric fan mounted on the thermostat housing. (Corvette), the 3 son, red, blue and white. What is the point of sale? go to the fan and is the field? How and where (), the number in the relay Should I wire in the relay. (Replacement) Thank you very much. God bless you today to go home.