For what make and year of car?
To check the fan sensor on a 98 escort with the key on disconnect the electrical connector to the temperature sesnor. If the fan come on the sensor is all right.
The 1996 Pontiac Grand Prix cooling fan sensor is located on the front of the engine. The fan sensor can be found just above the thermostat.
The radiator fan sensor switch or the radiator fan motor are at fault (maybe even both). Wire the fan motor direct to see if it will run, if it does, replace the sensor switch. If the fan motor doesn't run, replace the fan motor before you buy a new sensor. If after replacing the fan motor, the fan still doesn't run, then replace the sensor.
coolant fan temp sensor 1998 crown victoria
how to install fan clutch sensor in mercedes 1984 500 sel
The coolant fan sensor is the same as the sensor that shows the coolant temperature on the dash gauge. It is located on the intake manifold.
First check that the fan does work. Unplug at the fan and jump the wire to see if the fan works. If yes, then change the fan temp sensor or check the wiring to the sensor. If the fan does not come on when you jump the wire, then have the fan replaced.
There is a temperature sensor in the motor. When it gets hot enough it completes a circuit and causes a relay to close and turns the fan on. There is power to the fan all the time, the sensor and relay supply the ground for the fan Engine cools down, the sensor opens and shuts the fan off.
the fan relay sensor is out of it.
There is not a separate cooling fan sensor, it controlled by the ECM which get it's reading from the ECT (engine coolant temp sensor)
location of engine cooling fan sensor
The sensor is located under the upper rad hose Directly below the hose is a sensor with 1 wire to it That is for the gauge Just behind and down from that is a sensor with 2 wires This is the fan sensor