Why is the engine temp light on but not the fan?
Why is the engine temp light on but not the fan? That brass nut holds a temp switch into your radiator. The one at your engine block only has to do with the "idiot light" that lets you know you are overheating. The one on the radiator makes your fan switch on. a few replies ago someone mentioned unplugging and defaulting fan on, some years that is true but mine and yours do not work that way. Why does my radiator fan not come on? If you go the the harness plug that you unplug the radiator temp switch from...