Ford F-350 Cooling Fan Clutch

6.0 Psd. Does The Fan Clutch Need To Be Plugged In, Or Will The Truck Be Fine Without It?

My Truck Is A 7.3 Diesel. I Am Trying To Determine If The Fan Clutch Is Going Bad Or Already Has. When Running Down The Highway At About 65...

1990 Ford E350 Van. Engine Overheating. Replaced Thermostat. Hoses Are Good, No Leaks, Water Pump Okay. No Water In Oil, No Steam At Exhaust...