2004 Jeep Cooling Fan Wiring Diagram

I swapped the blower relay with the radiator relay to see if they were good and they do indeed work. In this one we take a stab at permanently fixing a common issue with the 1999 2004 jeep grand cherokee. Remove fan retaining screws from.

Jeep Cherokee Cooling Fan Relay Wiring Diagram With Images

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The electric cooling fan will quit working and your jeep will overheat due to a failure in.

2004 jeep cooling fan wiring diagram. Auxiliary electric cooling fan removal. If the cooling fan stops working most do it yourself. Sound like cooling fan not working your vechicle has a hydralic electric cooling fan control by pcm take jeep to the garage they have to use a drb 3 scan tool to pull up any fault codes. Without it the engine can reach dangerous temperatures and damage engine components.

The cooling fan in a jeep grand cherokee keeps engine temperatures at the correct level by kicking on during times when the engine reaches higher than average temperatures. Sounds like your cooling fan relay is bad the jeep grand cherokees are known for this first thing i would do is unplug the radiator cooling fan and run 2 jumper wires direct from the battery to the fan connector if the fan kicks on your fan motor is good and the relay is bad if the fan doesnt kick on replace the fan motor with a new unit the cooling fan relay on your particular model jeep. 2004 jeep grand cherokee 4 0l electric cooling fan wiring diagram jeep l l. I hard wired the fan to the battery to see if the fan was good and it too is also good.

The cooling fan relay is activated and the fan operates. When ever the air conditioning is used regardless of engine coolant temperature the auxiliary electric cooling fan operates. The auxiliary fan is attached to the radiator upper crossmember behind the radiator. Article will help you to diagnose the pulse width modulated pwm fan relay on the jeep l grand cherokee suvs and or the codes p radiator fan control relay circuit.

Apr 19 2010 2004 jeep grand cherokee. Testing the fan relay with a multimeter. My thoughts are the issue is either with the wiring between the fan and the battery or possibly in the computer.