Question about 2002 Jeep Grand Cherokee

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The blower doesn't work for heat/defrost

2000 jeep grand cherokee...the blwer/fan doesn't seem to be coming on, could it be a fuse or a much worse problem?

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  • nzimar Jan 04, 2009

    our 2002 Jeep Grand Cherokee has the same problem. It started with the fan cutting out now and then, it worked then while driving it would just stop then a couple minutes later it would start again. Now it doesn't seem to be coming back on any ideas?

  • boucho Jan 08, 2009

    I have a 2000 Grand Cherokee and the blower goes on and off. I did a test to see if the blower works, it does. I reinstalled it and it still goes on and off sometimes.

  • Anonymous Feb 21, 2009

    I have a 2002 Jeep Grand Cherokee Overland the blower would work only once in a while then stopped completely.I tried it on all settings including A/C and nothing.Fuse is good.

  • aefait Feb 21, 2009

    2002 Jeep grand cherokee blower stopped working.At first it would work intermittently now not at all.

  • dgibbs879 Mar 22, 2009

    Blower is intermittant. 2000 jeep grand cherokee .Works sometimes, not others however..when working if you turn it to high it stops.

    Have full automatic climate control.

    I see people say to check the resistor. I don't think the automatic system has a resistor..or does it? Anybody know where it is?

  • Richard Scordino May 11, 2010

    Does the blower operate in any position (like with AC on?) start by checking the fuse, then go directly to the blower motor. disconnect the hot lead and run a direct wire to it from the battery + side. If motor works, check for relays and speed control resistor. You can also remove heater control from the dash but generally that won't be where the problem is (just because I said that it's probably fried) But really, check the simple stuff first and don't panic.



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I had a similar problem, except my blower fan did blow, but it ONLY blew out cold air. I took it to a couple of places and I was forced to take it to the dealer. Apparently, this is a problem with the Jeeps. The mechanisms on the door for the blower will break, which opens and lets in ac or heat. In order to get to it, you MUST take the dash completely out. Cost is between $800-$1200!!! Most of the cost is labor ($800)!!! I just got mine repaired about 6 weeks ago. I live in a cold climate and I need the heat for defrosting, etc. it SUCKS!!!

Posted on Jan 09, 2009

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If you have Automatic Temperture Control then you will need a blower resistor module which could be around $100 to $200. If you have a manual temperture control then it can be just a simple $20 blower resistor.

Posted on Jan 08, 2009


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1 Answer

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Feb 15, 2009 | 2003 Jeep Grand Cherokee

2 Answers

The blower /fan doesn't work for heat/defrost

You have to change the resistor (little box that the blower wires goes to) it is held in with 2 screws you will need the harness (($15) as the factory one was a defect and last you need to change the blower motor as the factory one draws too much power and burns up the resistor and harness..this is what i did on a 2000 grand cherokee with the climate control and it works great..I tried to fix the harness etc but it will still go out again if you do the above you will not have any problem with the blower working at random it will work better than new.I think jeep has retards for electrical people, has anyone had problems with the junky taillight assembly??

Dec 13, 2008 | 2002 Jeep Grand Cherokee

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