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by Kristee on January 24th, 2007

Kristee

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I have a 2000 Jeep Grand Cherokee Limited. My blower for the heat just went off, then it started up again. It cut off again today and I havn't been able to get it to come on. I put my hand right up to the vent, I can feel heat. What should I do? Thanx

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Answers. 16 helpful answers below.

  • by DenLorsTools on September 23rd, 2007

    DenLorsTools

    If you hear the blower fan, then it probably is a door or actuator problem (see this link for door and actuator problems http://www.denlorstools.com/home/dt1/page_11687/jeep_grand_cherokee_dual_zone_ac_repair.html). If you do not hear the blower then it could be an open circuit, a common problem with the blower is a poor connection at the blower resistor module. Wiggle the wires at the module with blower turned on, if it is a poor connection the blower will come on. The resistor module is located on the passenger side below the glove compartment. If this makes the blower work, the electrical plug should be replaced along with the resistor module and the blower motor (the blower could be pulling too many amps).

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  • by benz18724 on December 22nd, 2010

    benz18724

    My blower motor was working intermittently for me until it finally failed. I could still feel that there was heat in the system but there was no noise or movement of air.

    FIX: There is a black box on the passenger side under the glovebox. Mine had a label on it with barcodes and it says "Delco". There are three wires coming into this box, wiggle them and the blower may come back on. This worked for me, it was simply a bad connection.
    2000 Jeep Grand Cherokee Limited; 133,000 miles.

    If you're having other climate control problems, check for error codes in the system by holding the A/C and Recirculate buttons and turning the driver's side temp control knob clockwise. It may give you an error code. I got code "56" because my passenger side blend door is broken (which leaves me with no heat on the passenger side). Note that it did not give me any codes related to the blower motor not working.
    Codes can be found here: http://www.wjjeeps.com/climate.htm

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  • by hikilunda on February 4th, 2007

    hikilunda

    Try this site.
    http://www.wjjeeps.com/jmenu.htm
    Try these pages at above site.
    A/C Climate controls & fault codes
    A/C system sub assembly replacement

    If you turn the car on, turn the ac to automatic, hold the ac and recirc buttons down and turn the left temp control 1 click clockwise. Then release ac and recirc buttons. If a code is revealed (other than 0) you can reference this to the website above and find out if one of the doors is broken. Mine revealed "Right temperature door travel too large"

    Probably what happened is that one of the doors inside your dash that control the air flow broke (a common problem) or one of the electric motors that controls them stopped working (not so common). This is a big job to fix for the following reasons:
    1. Usually requires complete removal of the dash and center console.
    2. Requires draining the coolant, disconnecting the coolant lines that go through the fire wall.
    3. Requires having the a/c refrigerant removed from the car, due to having to disconnect the evaporator which also goes through the firewall. Then need to recharge refrigerant after all is put back together.

    Quoted at over $1000 to fix at dealer. Took me 2 days, a rental car, and about $250 in parts (replaced both doors) and refrigerant to fix it. If I did it again I would order the $300 (dealer seemed to be best price) heater core ahead of time and also put that in, just didn't want to wait a couple days. The heater core is made cheaply and is difficult not to bend its tubes when removing hoses.

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  • by Fltstone on June 17th, 2009

    Fltstone

    Wow, I've been riding around in 95 degree 80" humidity with no blower. Following this tread I found that Shack89 knows what he's talking about. My blower connector has been deformed due to heat and lost its contact. Just pushing in on the wireloom was enough to make contact. Now must figure out why the connector overheated...

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  • by dogma1971 on January 3rd, 2009

    dogma1971

    trust me you dont want to remove the door without replacing it.you will not be able to control your temp.it will always blow hot.please trust me it is just a bad connection......it is an easy fix if it is the door but it in not the door.....

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  • by JGCL2000 on July 23rd, 2009

    JGCL2000

    I've got the same jeep... I've had the same problem... It's a common problem for our make and model... next to the blower motor under the passenger side dash... you'll find a little black box with three wires coming in on one side with a connector clip... on the other side of it you'll find a permanent red and black set of wires... this piece is called a Blower Motor Resistor/Controller... it heats up and often melts the black plastic case and the electrical stuff inside the black case... if it's not too bad you can buy the mopar replacement wires for just 17$... on the other hand... if you need to replace the whole resistor... you will be looking at 145$ appx... it might not be a bad idea to check to see if the blower motor itself isn't working properly... i hope this helps... i'm in my second resistor problem in two years...

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  • by Rinky Dinky Do on July 23rd, 2009

    Rinky Dinky Do

    Leave your hand on the vent then

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  • by dogma1971 on January 3rd, 2009

    dogma1971

    ok i have the same vehicle,same problem.you dont need to take the dash apart.it is a loose connection.easy fix look under the dash on the passenger side.on the right there is the blower motor.on that there are two connections,wiggle one at a time until the blower turns on,then when you get the loose one you need to clean or get a new clip.for all the other heat problems
    there is a kit avalible.you pretty much avoid the $1000.00 price tag.i paid $125.00 and fixed it myself.
    if you look on ebay there are a few people that sell these kits....hope this helps.....

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  • by doomhammer on September 9th, 2009

    doomhammer

    I have a 2002 Jeep Cherokee Limited and was having the same problems. It is defininatly the box next to the blower motor. what i did find is that after fixing the box it went out again and it was cooking itself. come to find the blower motor was causing the whole peoblem by pulling too much power and overloading the resisters, them to cook. I hope this is helpful

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  • by chrissy on May 5th, 2008

    chrissy

    hun my friend had the same problem here is what you need to do flush the raditor 98 percent of the time it will make it so your heat will work i just had my friend do it to her 2000 jeep grand cherokee and it works now

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  • by JUSTNORMAL on January 24th, 2007

    JUSTNORMAL

    Could be the heater motor

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  • by VTwin on January 23rd, 2011

    VTwin

    First thing to look at is THE RESISTOR. Start there. It is located just below the glove box so you have to open the passengers door and lay outside the car with your head and arms inside on the floor of the passengers side. There will be a plastic cover over the resistor opening with 3 or 4 screws holding it on. Once you have that off, there will be 2 screws holding the resistor in place. Take them out and remove the resistor. It will look like a small rectangle with small springs running across it. Likely it is clogged with dust, moths, debris from being sucked in through the outside vent (in front of the windshield) Likely the unit is getting ready to short out and you need a new one.
    They are about $85 from your Chrysler Dealer and about $30 from aftermarket (Quadtec)
    Later
    Lon

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  • by shack89 on September 23rd, 2007

    shack89

    i had the same problem today this morning the blower turned of and then came back on 2 times and then stayed on. i went into the store for about 3hrs and then traveled 30 miles home and it worked with no problems. tonight i went out and it cut on and off for about 7 min and then wouldnt work at all the rest of the night. i came home and did some research and went back to my car. what you have to do is on the passenger floor under the dash u must wiggle the wires going to the module. it is the single plug wire down there (do this with te air cond. blower on) and the blower should come on. it has a bad connection

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  • by shansamara on December 31st, 2007

    shansamara

    Hi there, I live in Melbourne Aus, I've got a JGC 2001, the same issue happened to my car where the blower stopped after a couple of times of intermittently stopping. I just followed the helpful hints of "shack89", now the issue is fixed. That wireloom he is talking about...it gets hot, very hot....should be the cause I recon. cheers to all & wish you all a safe Jeep in this New Year, cheers, Shan.

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  • by Jim_B734 on December 12th, 2010

    Jim_B734

    If the heater-A/C motor is intermittant, then it is the connection at the Blower Resistor Module. IT is difficult to remove the plug fromthe module as on the back side you have to depress the locking tab and pull the wiring harness. Becarful as the connection may have melted due to heat and you can pull the connector apart if you pull too hard.

    Pull the plug/wiring harness and clean the contacts with a deoxidizer as well as the connection in the module. Next use a DI-Electric grease (conducts electricity) inside the female connectors and plug it back in.

    If the heat damage is not too severe, you should be able to do this. I just completed it and now I can wobble the connector and the fan motor keeps running and the wires did not get hot again.

    Good luck,
    Jim

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  • by dave berrow on October 2nd, 2008

    dave berrow

    Nonsense to everyone!!!! After reading several questions and answers and going to heatertreater.com, I narrowed down my problem to it being the Re-circ door. After seeing it would cost $120 for the part, I looked a little more and found out one option a person did on jeep forum.com. He simply removed the blower motor (3 screws) and reached up into the box. I did this exact thing and felt the re-circ door, which had broke and fallen, preventing air from getting into the cabin. I simply broke the door with my hand and pulled it out, placed the motor back up and in and YIPPEE!!!!! I fixed my problem. I never used the re-circ button anyways and don't think it will matter. I have 163k miles on my 2000 jeep grand cherokee limited and it took me about 10 minutes to fix the problem. I have been waiting for my mechanic (on the side) to figure out the problem for almost a year and I think ke's been blowing me off because of the same fear I had......nobody wants to spend a whole saturday trying to remove a dashboard! I can't wait to tell him I fixed it in less than 10 minutes. Again, a wonderful, inexpensive, stress free solution to your issue (little if any heat or ac blowing through your vents, even on highest setting). For those of you who think I'm nuts for completely removing my re-circ door, have fun paying your dealer $1400 or spending an entire saturday trying to take off your dashboard in between all the cuss words that will be coming out of your mouth. You'll remember this note quite frequently during your day of fun. While your removing your dash, I'll be hanging out with my family, watching NCAA college football and enjoying life!!!! Good luck and I hope many others read this and feel the same as I do right now!!!! Wonderful!! Problem fixed, no cash out of pocket, heat and AC working.

    I'm outta here!!

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You're reading I have a 2000 Jeep Grand Cherokee Limited. My blower for the heat just went off, then it started up again. It cut off again today and I havn't been able to get it to come on. I put my hand right up to the vent, I can feel heat. What should I do? Thanx

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