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.
Radiator fan control relay circuit jeep grand cherokee.
Either you can tear apart the entire front of the vehicle or you can remove the passenger side headlamp assembly and carefully drill a hole about in the middle of the opening and down towards the ground.
Equip cars trucks suvs with 2004 jeep grand cherokee relay radiator cooling fan motor from autozone.
This article will help you to diagnose the pulse width modulated pwm fan relay on the 1999 2004 jeep 4 0l grand cherokee suvs and or the codes p1491 radiator fan control relay circuit the dealer at the time of this writing will charge you 95 us to diagnose it.
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Refer to code repair chart in other manuals or media.
Video on how to diagnose dtc p1491 radiator fan control relay circuit malfunction on a 2003 jeep liberty sport.
Without it the engine can reach dangerous temperatures and damage engine components.
If our video s have helped you repair your.
When it comes to your jeep grand cherokee you want parts and products from only trusted brands.
There are two ways to get at it.
P1491 jeep description with the key on or engine running system voltage over 10v fan relay commanded on the powertrain control module detects a shorted or open condition in the relay control circuit.
Radiator fan there is a solid state fan relay located under the passenger side headlight assembly.
The electric cooling fan will quit working and your.
1999 jeep grand cherokee 4 0l 6cyl.
On top of low prices advance auto parts offers 4 different trusted brands of radiator fan control relay products for the 2004 jeep grand cherokee.
Advance auto parts has 8 different radiator fan control relay for your vehicle ready for shipping or in store pick up.
If the cooling fan stops working most do it yourself.
Test the fan relay resistance it should be 30 70 ohms.
In this one we take a stab at permanently fixing a common issue with the 1999 2004 jeep grand cherokee.
I have a nineteen year old jeep that i love and patrick takes excellent care of her and i trust him implicitly to keep her running smoothly.