that ron francis thing is cool... but the fan only needs to come on when the return from the radiator is over a certain temp... i mean when you are on the highway and the air is rammmed thry the radiator you really dont need a fan... so the theoretically correct way of controlling a fan is to turn it on when the water leaving the radiator is over a certain setpoint...
with regards to fan controllerd id rather use the dakota digital unit that uses your engine temp gauge to supply signal.... but ideally id run it with a temp sender in the return side of the rad... (it will even controll a two speed fan)
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Elwood:We're 105 miles from Chicago, we have a full tank of gas, half pack of cigarettes, it's dark out and we're wearing sunglasses.
Jake: Hit it.
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