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Old 08-03-2019, 07:40 AM   #3
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Join Date: May 2010
Location: Star, MS
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Default Re: Coolant flow direction

Cooled water is taken into the engine from the bottom of the radiator. If you want to control the fan by engine temperature the switch would need to be exposed to the water expelled from the engine at the top. There are differing thoughts as to which the best place to install the switch.
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