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post #46 of 77 Old 10-12-2009, 11:29 AM
bige2533
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I think you have a hole in the cowl that is letting this stuff inside. My resistor shorted out when water from a heavy snow leaked inside. When I went to turn on the heater, I could smell something burning. Then out went the lower fan speeds.

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Originally Posted by AlphaTJ View Post
Thank you for posting this link, my TJ was only running in high and this did the trick.

What I pulled out looks pretty scary.....



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post #47 of 77 Old 10-12-2009, 11:39 AM
iCEMAN99tj
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Quote:
Originally Posted by bige2533 View Post
I think you have a hole in the cowl that is letting this stuff inside. My resistor shorted out when water from a heavy snow leaked inside. When I went to turn on the heater, I could smell something burning. Then out went the lower fan speeds.
From what i have heard there is supposed to be a drain of some sort that gets clogged. Something to look into i guess. My first resistor looked like that, my new one still looks new after a year later.... i pulled it out when i did my blower motor.
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post #48 of 77 Old 10-28-2009, 12:44 PM
msumike1
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I have an '06 TJ... today at lunch, the fan started working only on high. It's better than nothing, but obviously it is not going to do. Sounds like my first step should be to replace the Blower Motor Resistor. right?
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post #49 of 77 Old 10-28-2009, 01:14 PM
randymack
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yes msumike. autopart stores seem to be around $40 but some people say dealerships may have them cheaper.
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post #50 of 77 Old 11-12-2009, 11:28 AM
msumike1
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Repair made. All is well again. thanks for the help.
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post #51 of 77 Old 11-21-2009, 05:14 PM
moparjunkee
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New blower resistor and still only works on high. Now what?

Replaced resistor today with new unit thinking it was going to be an easy fix after reading about it. Got the new one in and still only works on high. Got to the back of the switch and everything looks fine. I get power to 3 of the 4 wires at the resistor plug while switching positions 1-3. Everything seems to be fine. WHAT IS NEXT TO CHECK? I am stumped. I am assuming the blower motor is fine since it runs on high just fine.

Thanks

No matter how far you go, there you are.
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post #52 of 77 Old 02-03-2010, 11:08 AM
yosemitejeep
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Quote:
Originally Posted by nunnyabinus View Post
Mine did the same thing. Only on HIGH(from battery) other speeds(Blower Motor Resistor) nothing.
Do This: GO to you local auto store (advance) and buy a DODGE VAN blower motor resistor. It is EXACTLY the same as Jeep TJ except its $20 cheaper Then check out my install here:

Blower Motor Resistor Install
Hey Nunya,
Did you just ask for the 2000 year Dodge van resistor since your TJ is a 2000? I have a 97 and looked at the part for a 97 van and, from the pics anyway, it looks like the prongs are a little different. I wonder if i should just get one from the 2000 year like yours maybe??
Do you think it would be the same part for both jeeps, 97 and 2000?
Thanks!!
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post #53 of 77 Old 08-27-2010, 06:40 PM
skydiver30960
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My credit card is melting...

BUMP!

I've owned my 99 TJ for about a month now, and at the rate I'm going I will have so many parts boxes that I'll be able to build a house of them.

...which is a good thing because I'm pretty sure my wife is about to kick me to the curb if I don't quit spending money, so it's good I'll have a place to live.

SO, it's the end of August, winter is on the way, and my blower motor works on all speeds but #3. The switch still feels solid, and there have been so many problems with the resistors on threads here that I feel good starting there.

BUT, I also don't like the idea of fixing the resistor when we know the real problem is the blower motor and eventually the resistor will just fail again or worse. Others in similar threads have voiced the same opinion, and mentioned how easy it is to replace the blower motor. SO, in the name of doing it right the first time (and hopefully averting a future vehicle fire) I've ordered both the resistor and blower motor. Amazon.com has them both at a reasonable cost.

When the parts arrive in September (dang super-slow "super saver" shipping) I'll do an install thread (doesn't seem to be one yet) or at least update a couple of the resistor/blower threads with the results...

Ike aka the "I want my Jeep to blow in a good way" guy
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post #54 of 77 Old 08-27-2010, 06:51 PM
JBTJ
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Quote:
Originally Posted by skydiver30960 View Post
BUMP!

I've owned my 99 TJ for about a month now, and at the rate I'm going I will have so many parts boxes that I'll be able to build a house of them.

...which is a good thing because I'm pretty sure my wife is about to kick me to the curb if I don't quit spending money, so it's good I'll have a place to live.

SO, it's the end of August, winter is on the way, and my blower motor works on all speeds but #3. The switch still feels solid, and there have been so many problems with the resistors on threads here that I feel good starting there.

BUT, I also don't like the idea of fixing the resistor when we know the real problem is the blower motor and eventually the resistor will just fail again or worse. Others in similar threads have voiced the same opinion, and mentioned how easy it is to replace the blower motor. SO, in the name of doing it right the first time (and hopefully averting a future vehicle fire) I've ordered both the resistor and blower motor. Amazon.com has them both at a reasonable cost.

When the parts arrive in September (dang super-slow "super saver" shipping) I'll do an install thread (doesn't seem to be one yet) or at least update a couple of the resistor/blower threads with the results...

Ike aka the "I want my Jeep to blow in a good way" guy
After you do that search for the adding a relay to the circuit to fix the problem for good.
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post #55 of 77 Old 08-27-2010, 07:54 PM
explorerlyon
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Thought I would add this in about how to test the resistor:

http://www.jeepforum.com/forum/f9/bl...s-bad-1053626/

05 Rubicon Unlimited, Automatic
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post #56 of 77 Old 10-16-2010, 01:15 AM
jakesteel1
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Could someone please clarify the difference between the 2 resistors for sale here. The years overlap but the resistors are different... I would be purchasing it for an '06.

This one says it would be applicable for years '97 to '05:

JEEP WRANGLER TJ Heater Blower Motor Resistor 1997-2005: eBay Motors (item 300456548560 end time Nov-14-10 15:53:23 PST)

While this one says it is applicable for years '02 to '06:

Jeep Wrangler TJ Heater Blower Motor Resistor 02 - 06: eBay Motors (item 250704191853 end time Oct-29-10 15:45:27 PDT)
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post #57 of 77 Old 10-16-2010, 02:04 AM
velocipus
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Quote:
Originally Posted by mdm View Post
The latest edition of JP Magazine has an interesting article on the problem with the switches. Their take on it is that the blower motor gets dirty over time and requires more current to turn it. This over heats the switchs and wiring causing the melted plastic and insulation problems we get. There fix is to wire relays into the wiring between the switch and the motor which removes the higher current draw away from the switch. They did a read on the switch temperature before and after the modification and they saw a significant reduction.
Exactly what happened to my TJ. I smelled a burning smell then one by one all my fan speeds burned out until i was left with high only. Replaced the blower motor resistor and it successfully lightened my wallet, but didn't fix the fan switch problem. I pulled the fan switch and learned that the whole switch was melted badly. Don't know how it didn't start a fire. I replaced the switch module, fixed a vacuum leak while I was in there and wired in relays to each switch position and haven't had a single issue since.
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post #58 of 77 Old 10-16-2010, 09:35 AM
Jonny Jeep
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Quote:
Originally Posted by jakesteel1 View Post
Could someone please clarify the difference between the 2 resistors for sale here. The years overlap but the resistors are different... I would be purchasing it for an '06.

This one says it would be applicable for years '97 to '05:

JEEP WRANGLER TJ Heater Blower Motor Resistor 1997-2005: eBay Motors (item 300456548560 end time Nov-14-10 15:53:23 PST)

While this one says it is applicable for years '02 to '06:

Jeep Wrangler TJ Heater Blower Motor Resistor 02 - 06: eBay Motors (item 250704191853 end time Oct-29-10 15:45:27 PDT)
The resistors did change for the 02 model year and the connectors look different in the FSMs. Buy the one which says it fits 02-06. The other one will only fit till 01 models, the seller must have got some misinformation regards the fit.

Online factory service manuals and parts lists - http://www.jeep4x4center.com/knowledge-base/index.htm
If it doesn't work properly, look for the service manual link at the bottom of the page.
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post #59 of 77 Old 05-21-2011, 10:32 AM
Slick101
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i cant seem to find where it is i pulled the only thing i see under there with two mounting bolts on it and its something that looks compltely different
Attached Thumbnails
100_1608.jpg   100_1607.jpg  

K&N pannel filter, got that far before i ran out of money
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post #60 of 77 Old 05-21-2011, 11:38 AM
Jonny Jeep
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That's it. The design changed in later models.

Online factory service manuals and parts lists - http://www.jeep4x4center.com/knowledge-base/index.htm
If it doesn't work properly, look for the service manual link at the bottom of the page.
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