Has two relays fan hi an fan low . did you see that ? ECT sensor - engine coolant temp sensor is a input to the ECM - engine control module . The ECM monitors the coolant temp . when the temp reaches a set temp. the ECM will energize the fan on low speed by suppling a ground .If the sensor ECT was bad would have a check engine light on an a codes set. Your best bet would be to have a qualified repair shop check it out .Hook up a scan tool .
DTC P0480: Cooling Fan Relay 1 Control Circuit
DTC P0481: Cooling Fan Relay 2 Control Circuit
DTC P0480 and P0481 are Type B DTCs. These won't turn on the check engine light .
DTC P00B3: Radiator Coolant Temperature (RCT) Sensor Circuit Low Voltage
DTC P00B4: Radiator Coolant Temperature (RCT) Sensor Circuit High Voltage
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SOURCE: Need the Location of the temperature sensor on 95 olds cutlass.
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Should be a fuse panel under the hood, passenger side near the coolant tank and radiator inlet. In that panel should be 2 large square fuses. These are fuse/relay combo deals. Switching these out should fix you right up. Mine had the same problem about a month ago and I had to replace them then.
SOURCE: Cooling fan wont work
The water temp sensor is located near the thermostat housing. This sensor is what tells the ECM to turn the fan on/off. The water temp sending unit is located near the same area. You know you have the correct sensor is because the water temp sensor has a 2 prong plug. The water temp sending unit only has 1 prong.
SOURCE: Cooling fans not coming on. Fuses are ok, replaced
The temp sensor is located next to thermostat housing.
SOURCE: can't locate the cooling fan sensor or relay.
the radiator fan relay is located behind and slightly lower than the r/f headlamp.best way to get to this is by removing right side of front fascia out enough to get behind it. this will give you acsess to the relay.i work at a jeep dealer and have done this many times.
where is the cooling fan relay located on a 92 taurus
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