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Old 04-22-2010, 11:43 PM   #1
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Swapping out Heater Blower Motor

Hey guys, I know we have a lot of threads on this, but I wanted to add another one with pictures for anyone who is searching this topic. This is for a 99 TJ. I heard 2003 and up are different. As has been mentioned before, it is ridiculously easy...

Step 1: Locate the blower motor behind the PCM and the battery:


Step 2: Remove the battery and the three screws holding the PCM to the firewall. Unplug the old fan motor.


Step3: Remove the three screws holding the old fan motor. Whip out your new replacement...


Plug it in and install everything back in place in reverse order as before. It might be a good idea to check your cable for any nicks or degradation in the wiring sleeve.


Here you can see the old one next to the new one. They get dirty after nine years! The new fan spins much more smoothly.


Hopefully, your new blower motor will draw less current and stop frying your climate control switches.

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Old 04-23-2010, 12:00 AM   #2
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Quote:
Originally Posted by chop110 View Post
Hopefully, your new blower motor will draw less current and stop frying your climate control switches.
Nice job bud. Great to help people who need to change out the blower motor

But as far as the blower motor burning up the switches..not so. Yes the switches do have issues and are due to the design of the wiring and power distributed through the wiring going to the switch.

For more info on the switch melting issues...read up on this thread,,has many links with good info.


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Old 04-23-2010, 06:16 AM   #3
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Thanks, man. But... I think your link didn't get posted. I'd be interested to read up on that.
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Old 04-23-2010, 04:18 PM   #4
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My bad thought I posted it.

Here it is....

http://www.wranglerforum.com/f5/heat...rol-16174.html
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Old 06-06-2010, 04:26 PM   #5
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I'm getting ready to replace my blower motor as well. Where did you buy yours?
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Old 06-09-2010, 02:40 PM   #6
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Partstrain.com

Check to see if they have it for your model year:

PartsTrain.com - Hard to Find Auto Parts and Truck Parts - Blower Motor
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Old 06-23-2010, 04:06 PM   #7
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In case anyone is interested, this site also sells a blower motor cheaper than where I got mine...

97-2001 Wrangler TJ Blower Motor & Wheel
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Old 11-14-2010, 05:43 AM   #8
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omg thank you for this write up on where this thing is located my manual was completely wrong wanted me to take off the whole instrument panel, thanks!
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Old 01-03-2011, 11:53 AM   #9
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Anytime!

He said two months later...
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Old 01-03-2011, 05:41 PM   #10
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A huge thanks from me too. My Chiltons manual had me going in the wrong direction too. Also, what a difference from the link you provided vs my local parts store $130.00 vs $69.00 plus free shipping! If you're ever in New Mexico I'll buy you a beer
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Old 01-03-2011, 05:50 PM   #11
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BTW, How did yours go out? Mine was working fine one minute. Stopped into Wally World, started it up and it didn't work anymore. Checked both fuses and they're fine. No air blowing at all anymore on any setting. Process of elimination lead me to the blower motor. One last check tonight under the dash for a loose connection where the passenger's feet are.
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Old 01-03-2011, 10:02 PM   #12
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Blower quits all together and fuse is fine

This happened to me and I spent a couple days tearing the HVAC apart, testing the components and scratching my head. I had already replaced the fan speed selector switch. So I turned to the internet and found my problem in this write up Tj Dash Fire Prevention Relay Two Higher Speeds Photo 4

When it got to the part where the HVAC selector switch had melted and they rebuilt that connection, I decided to go and look at my HVAC (defrost, heat, A/C) switch and really close examination showed it had fried. The middle wire had overheated, melted the inside of the plastic cover, coating the terminal and cutting off contact. I pulled the connection apart, cleaned the terminals, spliced a new wire in for the one that overheated and suddenly everything worked. A lot of what I read on the internet talked about the blower motor and resistor getting old and not working properly, thus causing more power draw and melting the wires. So I decided to replace everything from fan speed selector switch to resistor to blower motor. I will have to see if this works or if I have another issue in a week or two. If it happens again, then I plan to build the relay as described in the write up in JP magazine.
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Old 01-04-2011, 12:05 PM   #13
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98Sport: My blower didn't actually quit. But it made more noise than normal and was clearly pulling more current than what the switch and wiring could handle. I went through two melted switches and a fried resistor before I decided enough was enough. At first, I tried the JP Fire prevention fix that Papajack has linked to. That saved my switches, but the noise from the blower fan was telling me that it was on its last legs anyway. As you can see from my pictures, the old one was really dirty and and it did not turn as freely on its bearing as the new one did. I hope this fixes your problem as well, but like Papa Jack mentioned, you definitely want to look at the back of your HVAC switched and look for melted plastic/wiring.

Papa Jack: Hey! I did a writeup on that JP fix!
http://www.wranglerforum.com/f5/writ...fix-52716.html
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Old 07-01-2011, 05:07 PM   #14
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thx for that info on the blower motor location..
im replacing that motor tomorrow in wifes jeep.
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Old 08-23-2011, 04:00 PM   #15
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Good luck! He said, two months later...
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Old 08-26-2011, 10:04 AM   #16
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blower motor

the motor on a 2002 is inside the jeep almost had to be a contortionist to get to it bit it was easy to remove and install..just a tab that unlocks and twists and its out...rather easy removal and install...the wife is happy so im happy too
Quote:
Originally Posted by chop110 View Post
Hey guys, I know we have a lot of threads on this, but I wanted to add another one with pictures for anyone who is searching this topic. This is for a 99 TJ. I heard 2003 and up are different. As has been mentioned before, it is ridiculously easy...

Step 1: Locate the blower motor behind the PCM and the battery:


Step 2: Remove the battery and the three screws holding the PCM to the firewall. Unplug the old fan motor.


Step3: Remove the three screws holding the old fan motor. Whip out your new replacement...


Plug it in and install everything back in place in reverse order as before. It might be a good idea to check your cable for any nicks or degradation in the wiring sleeve.


Here you can see the old one next to the new one. They get dirty after nine years! The new fan spins much more smoothly.


Hopefully, your new blower motor will draw less current and stop frying your climate control switches.
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Old 01-26-2013, 10:13 AM   #17
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I'm bringing back an old thread, because I think my blower motor died. I can barely feel any heat coming out regardless of switch setting selection and have already changed out the switch and resistor. I'd rather buy one and done, so who makes a high quality replacement unit?
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Old 02-20-2013, 03:08 PM   #18
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Not sure about high quality but I just received mine from jeepair.com. Ordered the wiring harness as well. About $110 delivered. Have not installed it yet.
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Old 03-20-2013, 10:56 AM   #19
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Installed my fan from jeepair.com yesterday. I have adequate heat again! 20 minute job. No more burning electrical smell.
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Old 06-27-2013, 04:13 PM   #20
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Thx chop110! I fixed my a/c. Replaced the blower motor thanks to your step by step process.
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Old 10-05-2013, 09:37 PM   #21
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Earl '97 Blower Motor

This is the blower motor I pulled from my 97 Wrangler. The "cord" is attached and I haven't been able to find any with the attached cord. Any hints on how I can find one or could I use the ones from a 95 Wrangler?

Thanks ahead of time for the help.
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Old 10-05-2013, 10:52 PM   #22
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There are three different designs through the TJ years that I'm aware of. Can you not locate one for the '97? I'm site the dealership still sells them, or at least there's still NOS out here. I bought an aftermarket one and it was garbage. I bought one drone the dealer, it is USA made and nice. Worth the extra $ to me.
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Old 10-05-2013, 11:36 PM   #23
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Quote:
Originally Posted by Furrydogs View Post
This is the blower motor I pulled from my 97 Wrangler. The "cord" is attached and I haven't been able to find any with the attached cord. Any hints on how I can find one or could I use the ones from a 95 Wrangler?

Thanks ahead of time for the help.
This is the part number for a 95 model. FOUR SEASONS Part # 35593

Found on www.rockauto.com
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Old 10-06-2013, 12:02 AM   #24
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Quote:
Originally Posted by UFOtestpilot View Post
There are three different designs through the TJ years that I'm aware of. Can you not locate one for the '97? I'm site the dealership still sells them, or at least there's still NOS out here. I bought an aftermarket one and it was garbage. I bought one drone the dealer, it is USA made and nice. Worth the extra $ to me.
Nope, I tried Jeepair, Rockauto and Autozone and none of them have the blower motor with wiring harness attached. I suppose the dealer would have one but then it would probably be $200 instead of the $65 to $75 that I am seeing.

I looked up the '95, totally different style of blower motor.
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Old 10-06-2013, 12:06 AM   #25
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the one for the 95 on rockauto looks the same, you would just have to swap the plastic wheel over, if it is the right one. Can you find any part numbers at all on yours?

I take that back!! Is it possible that yours has the wire (for some reason), but the Jeep connector would plug into the normal one?
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Old 10-06-2013, 12:20 AM   #26
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Originally Posted by Furrydogs View Post
Nope, I tried Jeepair, Rockauto and Autozone and none of them have the blower motor with wiring harness attached. I suppose the dealer would have one but then it would probably be $200 instead of the $65 to $75 that I am seeing. I looked up the '95, totally different style of blower motor.
The dealer charged me $160. The VDO I bought from rockauto was absolute junk, and $80. By junk I mean poorly assembled with very bad components and no quality to speak of. The cage was attached off center and the motor was garbage. Just so you know.
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Old 10-06-2013, 08:51 AM   #27
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The dealer charged me $160. The VDO I bought from rockauto was absolute junk, and $80. By junk I mean poorly assembled with very bad components and no quality to speak of. The cage was attached off center and the motor was garbage. Just so you know.
I might look into the dealer price and take the plunge on the better quality blower. Depending on the part, I will sometimes stick only with Mopar.

I couldn't find a part number, the sticker was worn off. I looked at the '95 blower and it looks like a different set up from what I pulled from my '97.

I had watched a blower motor video on YouTube and the guy made the point of stressing that the early '97's had an self contained wiring harness whereas the later models had the recessed plug in. It appears this is not a readily available part.

If you look at the original post, he didn't have the attached wiring harness like mine.
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Old 10-06-2013, 09:42 AM   #28
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Yeah the OP shows a second gen one like on my '99. Good luck either way you go and I hope it works out for you!
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Old 10-06-2013, 09:56 AM   #29
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I do have an 05' but I got a spare blower motor from rock auto for $32 bucks. The TYC unit works better than the 4 seasons unit does at nearly twice the cost we found.
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Old 02-12-2014, 12:49 PM   #30
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hey guys

i recently purchased a 2000 TJ 4.0

had a problem with the heat (no a/c car) so i replaced the blower motor. There is still no air flowing from the vents. I personally don't think its the resistor b/c there isn't air flow at any speed setting. Anyone have any ideas of what i should look into next? Maybe the switch is bad?


Thanks!

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