Thread: Electric fan control

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I agree with Itoldyouso.........I had a controller on a fan and also had an over ride toggle switch under the dash. Good thing I did too....one day going to a show the controller went away. I just hit the toggle and the fan was on. I tore out the controller the next day and just left the toggle in. Like everyone else in here, you watch the gauges more than the road anyway.
The controllers are a good thing but in my mind they still have to work from an electric source and if that souce has a problem, the fan will not go on.

Yeah, I went overboard in my last description - it's more applicable to an industrial process control application than a car radiator. The key, like Jerry says is to look at the whole thing as a system and the ability to adjust on-off points is a big plus like both he and Trjohn57 said. I also like the idea of a fail safe toggle to bypass the controller - may be adding one to mine.