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Originally Posted by ultimateirving
It did cycle on and off some at stoplights during the summer, but never that long really. I do run an fmic, so im sure an extra fan would be a good idea. but i could never really figure out a good relay/system for getting it to go on and off.
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We got one of those fancy gold anodized blocks that replaces the stock head water inlet housing on the top of the motor behind the cam angle switch. To that, I threaded a 1/4 NPT temp switch, set at 185. That powers a standard relay. The relay controls the engine cooling fans. I am going to use that temp switch to power an additional relay for the condensor fan.
You could do the same thing, only just for your condensor fan. Or, Summit sells those radiator hose temp switches. Never tried those though.