Question about 2002 Jeep Grand Cherokee

2 Answers

Fan relay my fan is not turning to keep my car cool. i ruled out that the fan motor is good now i was trying to change the fan relay (behind the bumper )to see if that will fix the problem but i am not to sure where it is located. can you tell me where it is and how to get to it. also by looking in the fuse box under the hood i was able to locate the fan relay which should be 40 ohms. i will ohms out the fan relay tomorrow to make sure that is good.

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  • flintstn Sep 09, 2008

    i had the same problem and i had the relay replaced 3 months ago. now i have the same problem again and ther diagnostic says the relay is good so i guess the fan is bad. i assume the fan anfd the relay are 2 completely different things

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2 Answers

Yes that is rigth, it just alot easier IMHO to remove the front bumper, it only has a few srews, once you have removed the bumper you'll see under the passenger front ligth a black "square" this is the relay, I'll suggest you buy it first so you know how it looks like, it is attached with 2 10 mm bolts, really esay to chance, it tooked me about 30 min to do everything and about $60 for the relay (buy it on the dealership) I leaned how to do it by myselft after the dealer wanted $350 for the job, seve you 300 and do it your self, is easy.

Posted on Sep 29, 2008

The fan relay is under the passenger side headlight, simply take out the one long screwat the top which holds in the headlight, slide the assembly out, and you will see a small hole about three inches in from the fender. Look inside and you will see part of the relay. Cut a hole in the plastic directly above the relay about two inches square. Get a MAGNETIC seven mm. socket, so as not to drop the two small machine screws that hold it in place, reach through the headlight hole, and pull the relay out, disconnect the wires, reconnect the new one, and bolt it back in place.

Posted on Aug 29, 2008

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1 Answer

2003 Jeep Grand Cheeroke radiator fan runs when car is off draining battery. Could it be the relay? If yes is the relay in the fuse/relay box under the hood or under the passenger headlight?


After checking the conventional relays and fuses, we found an additional auxiliary cooling fan relay behind the front bumper. Once replaced, all is well.

The fan relay is likely shorted and keeping the fan motor energized; to check this you can remove the relays from the fuse panel... remove the cooling fan rely from the underhood PDC (Power Distribution Center). Fot this and additional fuse details, check this link: wjjeeps.com/fuses.htm

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1 Answer

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2 Answers

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Hi,
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Hope this helps.
Iain

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