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Unread 12-29-2011, 09:36 AM   #31
drunk8gods
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Thank you thank you thank you for this write up with the photos.
Just did mine in 15 degree weather. Thankfully it was a quick job, although that green wiring harness was clipped onto the body with plastic plugs. A quick pull allowed me to pull the sensor, along with the green clip, under the floor light space. In and out, 20 - 30 minutes. Now for a mug of coffee and some breakfast.

Thanks again!

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Unread 12-29-2011, 11:11 AM   #32
RyanBum
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The blower motor in my 2000 works on all speeds except high, or 4 as its commonly referred to. Would this be the resistor or something else?
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Unread 12-29-2011, 11:52 AM   #33
Rubi4MyMrs
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Its likely the switch. On hi (4) the resistor is by-passed completely. With the switch on hi test for continuity between the top 2 terminals. You can test the blower by jumping the top 2 terminals of the connector. Here is a pic of the connector to help. It is #1 & 5 below that controls the hi speed.
heater-control-switch.jpg  
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Unread 02-26-2012, 09:06 AM   #34
gily25
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20-30 minutes he must have been on the hustle...but he did say it was 15 degrees!

Took me about 45...one of those infomercial gooseneck ratchets would have shortened the time dramatically...hmmm excuse to buy tools...most of the time was spent getting the connector apart...if the manufacturer had spent as much time on that connector as in developing the resistor...maybe it wouldn't need replacing.

Great write up! Easy DIY project. Plug to www.wermopar.com for the replacement part.
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Unread 05-19-2012, 11:55 AM   #35
ddawsonb
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Pain to get at, but otherwise easy fix

Boundless! Great post and thanks for the pics. This is a post that just keeps giving. I have a 2006 Rubikon Unlimited and lost all speeds except 'hi'. Just knowing the location of this resistor was priceless. A few knuckles scraps later and it was replaced. For those yet to do this fix, go ahead and unscrew the 1 or 2 wiring harness screws under the fan motor to give some slack. Also, that green wiring harness connector in the photo was actually attached to the fan assembly, but will slide up (hard pull) and give you the slack you need to get the resistor out. Without removing that connector I couldn't get the resistor out (not enough play in the wires). Again thanks for the effort in taking the pics and for others who posted there experience as well. Great Forum!
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Unread 05-21-2012, 08:10 AM   #36
Boundless
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Thanks again, glad it was of help

one note some time later my blower motor went out and I tried out a few after market blowers before I found one that was not NOISY. Maybe worth while with original.
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Unread 06-02-2012, 06:46 PM   #37
MustangWrangler
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I have ac again!!

Thanks for this write up

The switch has been jacked on the Jeep for a couple years now and always assumed it was something major. It has been unbelievably hot already here in northwest Florida and I was tired of sweating my *** off and only have the high speed work for the AC.

As others have said...it was a pretty big pain in the *** BUT after a Sam Adams and a sweat soaked shirt I got the thing done!

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Unread 06-02-2012, 11:11 PM   #38
hathers
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When the resistor starts going bad, does it happen w/ the lower speeds ? My first two speeds are very weak , it seems the a/c only works on the third setting
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Unread 06-03-2012, 10:48 AM   #39
cphilip
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In my case it was 1 and 2 speed that went. 3 and 4 were fine. I hear all sorts of combinations of 1, 2 and 3. But it appears 4 is wide open and no resistance so it rarely goes if its a resistor I think. Its often something else.
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Unread 09-11-2012, 09:21 PM   #40
goofus
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On my 05 LJ, the lowest two speeds went. I found a Dorman part # 973-025 for $13.40.
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Unread 09-12-2012, 08:26 PM   #41
goofus
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Interesting- I replaced mine today and no burn, but corrosion is present and shorted mine. Stupid vent rain drip must have done it, there is paint blistering from the corrosion.
img_0969-1-.jpg  
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Unread 04-22-2013, 05:56 PM   #42
ATA
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Worked perfectly. After procrastinating for over a year I finally fixed this. Took approximately a half hour; most of the time spent trying to remove and re-attach 2 bolts (find a friend with small hands if you don't have swivel socket, I had neither).
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Unread 04-22-2013, 05:59 PM   #43
ATA
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By the way, thank you. The write-up and pics were a life saver.
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Unread 07-28-2013, 10:30 PM   #44
Kahunadm
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Boundless (or anyone else),

I'm trying to get that resistor out (already got the 2 screws out...plus 2 more to get some wires out of the way), and the damn thing just seems too long to get out of it's slot. I'm still struggling with it, but started too late and may have to shelve things for the night. Any suggestions for how to gain a little more wiggle room so I can slide that thing the rest of the way out?
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Unread 07-29-2013, 09:36 PM   #45
Kahunadm
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OK, I slid the little green thing up and off, and it's now out of the way, and this gave me the room to get the resistor out of the slot. It seemed like I was home free, but now I can't get the little red tab to slide up. It looks like it kind of snaps into place. What's the trick to this???
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blower , motor , replacement , resistor

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