Replacing Cooling Fan Motor Relay

Most commonly used connectors are a push type connector.

Replacing cooling fan motor relay.

If you connect it straight to the battery it should turn on. Look for fan relay 45 in the underhood relay box. When the correct parameters are met a temperature switch or the computer will activate the relay which will allow. Testing circuit 87 and 30 step 14 when replacing a relay be sure to match up the terminal location from the old relay to to the new unit.

When the fan is on too often or won t come on at all a new relay may be the solution. Testing low and high speed cooling fan relays. If your cooling fan runs all the time or not at all or if your engine runs hot it might be time to replace your cooling fan motor or relay. Also there s fan fuse 20 which powers the relay.

When the correct parameters are met a temperature switch or the computer will activate the relay which will allow power to the fans. Check both of those relays and. The relay is hot because it s being switched on and electricity is running through it but it s not being drawing by the fan motor. To inspect a cooling fan start with ignition key off.

There s an a c compressor clutch relay which is 44 in the same relay block which is powered by 10a a c fuse 30. Disconnect connector and remove cooling fan relay. The cooling fan relay is the relay that controls the engine s cooling fans. To test the cooling fan unplug the cooling fan and you ll need something to connect up the fan directly to the battery.

The relay controls when the fan turns on and off based on coolant temperature. Testing the radiator cooling fan relay the cooling fan should be operating. This is really an engine cooling fan relay but i can t find a wiring diagram for another fan relay. Without a working fan you could.

By hand spin the fan blade it should freewheel if the fan motor does not spin or is hard to turn it has failed and replacement is required. Visually inspect the. The cooling fan relay is the relay that controls the engine s cooling fans. Compare the replacement cooling fan relay to the one being removed.

If the fan motor fails to activate electrically check the cooling fan fuse and relay and replace as needed.