Question about 2006 Jeep Grand Cherokee

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2006 grand cherokee laredo heater fan only works on high, I had the same problem with my sebring sedan and had to replace heater fan motor. Is this likely the same problem? Where is it located?

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It is NOT the motor itself in this case, it is the blower motor's resistor pack, which was and seems still is a common problem with the grand cherokees. It is usually located under or behind the glove box right on the firewall, and some rarer cases under the hood, also on the firewall but on the hood side and not the inside of the vehicule, next to the blower motor assembly. In your case it should be located inside the vehicule and requires removal of the glove box according to a few tech experts on the web. Here is the section of tech info i have found which i think will be the most useful for you:

"Get to the blower motor in a Grand Cherokee2006 grand cherokee laredo heater fan only works - mag-glass_10x10.gif by first disabling the airbags. Unscrew the glove box and remove it. Unscrew and remove the blower motor wire harness found directly behind the blower motor. Unscrew three screws holding the blower motor into place and then remove the motor."

So I hope this helps you out.

Posted on Jul 13, 2009

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Location blower motor relay 95 jeep grand cherokee laredo


easter egg hunts 101. what are the symptoms.?
did you check all fuses first/ that be , first
does it blow on high?
the book covering this (FSM) is free to read.
we dont need to cut and paste it , every time asked.
here it is.
it's in the PDC
read chapter 24 yet, HVAC
then 8w (wiring) 8w42
it's all there. and not fake books, it's real the real deal from jeep.
first off the GC has 2 type HVAC sold day 1
manual system
and automatic, ATC
they are totally different. so no one can answer you, lacking that fact.
lets now look at both (extra work)
the manual system has no relay, in the PDC, there is on inside the heater control but is not user serviceable.
does the blow work on HIGH>?????????
the ATC has a large relay. but is not in the PDC, its on the side of the HVAC per below drawings

chapter 24 cover this, why not read it first?

http://www.morris4x4center.com/knowledge-base/index.htm?utm_source=cj#service


page 8w -42-9 (ATC version only) 1 part of a complex system.
26147818-kvl5e4kdfcykuopgofwmpgkg-5-0.jpg
with the free book
a $10 volt meter all this is easy to diagnose.

the manual system the blower is hot. (fused F11 pdc)
the manual system the dash control, grounds the fan
on HIGH. if not on high does so through a RESISTOR block
that R is a relay but is part of the control. (buried)
so if you ground that wire below, called c7
the fan must blow, or fuse F11 is blown.
easy no? if the relay R , right coil is not 12v then that needs to be corrected, if fan blows hotwired, and R is not 0v out.


26147818-kvl5e4kdfcykuopgofwmpgkg-5-1.jpg

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1 Answer

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The blower motor resistor pack is blown. It's easy to replace, it's next to the blower motor in the heater box.

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1999 jeep grand Cherokee Laredo a/c electric fan not turning on.I've already replaced the relay, it worked for a very short time then it won't work again, water thermostat also has been change, no help.


There is a resistor mounted by the fan, this could have burned out. Look on passenger side right by fan motor should be 2 screews that have 5-6 wires pluged into it had to replace mine once fan only on high worth looking in too. Also, check if the blower motor Resistor Harness was faulty.

Good luck.

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How to replace 2006 Jeep Grand Cherokee fan Heater Blower Motor


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hello, this sounds like a bad blower motor resistor!! its cheap and easy to change..if you need more info on locations let me know,, good luck.....marty

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1 Answer

A/c heater fan no blow


sounds to me like the blower motor resistor, and if I'm not mistaken the resistor and the blower motor are located under the dash on the passengers side. the resistor should have a wiring connection and 2 screws attaching it to the blower case. The a/c and heater blower will not work if the resistor goes out. hope this helps you out a little. Best wishes.

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