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  1. HELP! Name this '87 F150 cooling part

    5.0L V8 Specific Topics
    My 1987 F150 2wd 5.0L engine has a cooling system part that adjusts coolant flow. It is on the big hose that carries coolant from the water pump to the bottom of the radiator. I have links to 2 photos below. It should have 3 wires attached to it... Cleaning the wire contacts I broke off...