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Jeep Liberty: Electrical & Lighting Questions
by Mr_Shiftright HOST
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Oct 15, 2006 (8:36 pm)
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Post any questions, concerns or experiences about the Jeep Liberty lighting and electrical sysetems right here.
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- #2 of 260
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Fan Blower Control Problem
by mayher
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Nov 18, 2005 (6:43 am)
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My wife has an 02 Liberty that she loves. Been problem free through 73,000 miles except for the blower control.
This is a 4 position switch that only the fourth position works on. Does anyone know if this sounds like a switch, or is it something more complicated? If it is a switch, I can probably change it, if not probably a trip to the dreaded dealer. Thanks
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- #3 of 260
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Re: Fan Blower Control Problem [mayher]
by jimlw2
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Nov 18, 2005 (12:41 pm)
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Replying to: mayher (Nov 18, 2005 6:43 am)
I'm not sure if it was on this board or the Wrangler board but I just read someone stating they had the same problem. Turned out to be a resistor in the circuit used by the first three settings. The highest setting bypasses the resistor in the circuit which provides the full fan speed. Good luck.
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- #4 of 260
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Re: Fan Blower Control Problem [jimlw2]
by mayher
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Nov 18, 2005 (4:52 pm)
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Replying to: jimlw2 (Nov 18, 2005 12:41 pm)
Hey, thanks for your help, I am still not sure if this is something that I can tackle or a dreaded dealer item.
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- #5 of 260
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Re: Fan Blower Control Problem [mayher]
by drvb
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Nov 19, 2005 (6:56 am)
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Replying to: mayher (Nov 18, 2005 6:43 am)
I have the same fan blower '1,2,3 switch position not working' problem. Did you find where the defective resistor is located?
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- #6 of 260
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Re: Fan Blower Control Problem [mayher]
by drvb
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Nov 20, 2005 (6:48 am)
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Replying to: mayher (Nov 18, 2005 4:52 pm)
I discovered a blower relay in the box under the hood just ahead of the battery. When removing it, it also killed the #4 blower operation, so I'm on the right track. Can anyone tell if by replacing that relay will solve the problem, or do I have to keep searching to find the resistor associated with the lower speed blower operation. By the way, the system is developed by Johnsons Control who seem to be favored by Chrysler.
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- #7 of 260
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Re: Fan Blower Control Problem [drvb]
by libertyinct
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Nov 20, 2005 (3:15 pm)
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Replying to: drvb (Nov 19, 2005 6:56 am)
It seems like the fan blower switch problem is more common than I thought. I have the same problem, except the 3 and 4 switch settings work on mine.
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- #8 of 260
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Re: Fan Blower Control Problem [drvb]
by jimlw2
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Nov 21, 2005 (9:15 am)
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Replying to: drvb (Nov 20, 2005 6:48 am)
I sure don't want you digging into your dashboard on this so please check it out before following my guess...Just something to consider, though...
I remember working on my old '88 Chevy Beretta for a dashboard light problem and was interested to see the back of the blower fan control switch had different-sized resistors across the contacts on the back of the switch. Is it possible that's where the blower fan control resistors are located?
I sure wish I could remember where I read that about a resistor controlling positions 1-3 and 4 was not in series with the resistor. You might do a search in the Wrangler board or the Liberty board...I was pretty sure someone had the answer to what you were looking for.
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- #9 of 260
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Re: Fan Blower Control Problem [drvb]
by 3rdcndjeep
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Nov 30, 2005 (5:41 pm)
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Replying to: drvb (Nov 19, 2005 6:56 am)
I had the same problem, #1,2. I found a web sit that has online service manuals ($25USD). The resistor is located behind the glove box. Open up the glove box, then on each side, you should see the clips that stop the glove box from opening up all the way. Squeeze them towards each other and the glove box opens up. (empty glove box 1st). the resistor is towards the right. There was a red locking clip on the bottom, getting this to come out was the biggest problem, it does NOT come off, just out. then remove the cable connections, then two bolts (5/16). It took me about 30 minutes total. Mopar part number on the bag 1-05139719AA. Cost was $23.63 CND with tax.
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- #10 of 260
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Re: Fan Blower Control Problem [3rdcndjeep]
by mayher
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Dec 12, 2005 (6:40 pm)
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Replying to: 3rdcndjeep (Nov 30, 2005 5:41 pm)
Thanks for the help. I was able to replace this resistor in aprox 15 min. As you said the toughest part of the whole fix is the red locking clip. I broke mine in the process of removing the old resistor. Once broken, I removed the resistor easily and used electrical tape to tape the connector to the resistor. Oh well, heater now works perfect. Thanks again
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