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Old 02-03-2011, 03:21 PM   #1
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Question Jeep not blowing air at all? Checked a few common things. Take a look

So my second problem on my jeep is the fact that the blower does not blow. Not on cold, hot, low or high. I see the most common thing would be the resistor pack. I have a 2003 wrangler 4.0 and after reading some other write ups they stated to take out the battery and computer to get to blower and it wasn't there. I am assuming my blower is at the bottom of the passenger side where there's a switch with a small red tab?

Anyhow all fuses are ok. Here are some fuses I am missing and I don't know if its normal or not. My jeep has a 5 speed manual tranny.

Rad Fan 40a is missing ( i did replace with another 1 to test but didnt work, do i need this fuse?)

abs motor
abs valve
eatx
IOD storage

offroad (i believe for rubicons only)

Eatx Relay
ABS Relay

those things are missing from my jeep. On my interior fuse panel there is nothing missing or blown.

I personally am not too worried about the cold as it was 4 degrees yesterday and I was crusing just fine but I would definately like to fix it since my son likes to ride with me in the Jeep! Thanks in advance!

I checked the switches and they are fine, not melted.

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Old 02-03-2011, 10:16 PM   #2
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Friendly bump

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Old 02-03-2011, 10:20 PM   #3
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you dont need all these ABS stuff if yours were not equipped with ABS.
also most stock Wranglers have clutch type radatior fan so no electrical system needed.
have you checked the blowermotor itself?
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Old 02-04-2011, 12:17 AM   #4
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No is it the one under the passengers side? I plan on doing this tomorrow..i will test and report
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Old 02-04-2011, 12:21 AM   #5
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I'd check resistor pack, switch in dash (connections on back of HVAC controls are known to melt and cause issues), then blower motor...you can probably rule out resistor pack since the high setting I believe bypasses the resistor and is wired straight to the battery (well, basically straight to the battery).
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Old 02-04-2011, 12:49 AM   #6
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Most likely the relay or switch, or possibly both. I'd run hot wire to your blower & verify its good. Here's a pic of the relay behind the glove box. If memory serves me right you should be able to jump the red & green wire to get to work. If it doesn't come on check your switch


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Old 02-05-2011, 01:03 AM   #7
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Appreciate the help...I was unable to get it to work jumping the green and red wires. How can I check my switch? No connectors are melted...I also can't find a way to remove the blower. Like I said I am not very mechanically savvy but I consider myself a quick learner. I feel like I am so close to the issue but cannot figure it out.What would be the best way to run a hotwire to the blower? Where exactly is it located? Im pretty sure I found it, but it seems like a PITA to work with or remove?
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Old 02-08-2011, 10:03 AM   #8
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So I finally got the blower off...so simple yet so complicated lol... Anyhow if I connected a positive and negative wire from the battery to the tabs pictured it should have turned on right? Because it didn't do anything. There was some mud stuck to it, so it probably fried?Click image for larger version

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Old 02-08-2011, 12:15 PM   #9
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So I did buy a new blower installed and and works like a charm..only issue now is that air doesn't come out thru the front vents so I will research that!
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Old 02-08-2011, 04:36 PM   #10
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Quote:
Originally Posted by hcenteno21
So I did buy a new blower installed and and works like a charm..only issue now is that air doesn't come out thru the front vents so I will research that!
Could be a vac leak or a faulty plug.
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Old 02-08-2011, 06:56 PM   #11
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It was a vaccumm leak by the battery..it was cracked i couldnt find where iy goes so i just taped it up and it works
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Old 02-16-2011, 07:52 AM   #12
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Hey all, I've been following this post because I have a similar problem (blower stopped working on all settings, 98 TJ) - I haven't had much time to address it yet. Yesterday the sun was shining and there were promises of 40F so I drove the Jeep. I hit a hefty bump and the blower started working on all settings. It worked for one more start up, then, when I left the office at the end of the day it didn't work.

Just curious, does that little hint point more in the direction of blower, switch, or resistor? Thanks! Josh
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Old 02-17-2011, 02:30 AM   #13
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It definitely sounds like the motor
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Old 02-17-2011, 09:51 AM   #14
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Originally Posted by jkhinch25 View Post
Hey all, I've been following this post because I have a similar problem (blower stopped working on all settings, 98 TJ) - I haven't had much time to address it yet. Yesterday the sun was shining and there were promises of 40F so I drove the Jeep. I hit a hefty bump and the blower started working on all settings. It worked for one more start up, then, when I left the office at the end of the day it didn't work.

Just curious, does that little hint point more in the direction of blower, switch, or resistor? Thanks! Josh
It sounds to me like a bad connection on one of the switches, fan speed switch or climate control switch. Probably melted. Check those first
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Old 02-17-2011, 10:42 AM   #15
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I'm having similar but different issues--this may help?
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Old 02-17-2011, 06:26 PM   #16
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not blowing any air

My 01 had the same problem looked at the controls could see nothing wrong so i took them apart and found the climet control switch was burning the contacts cleaned them up with a wire brush sqieezed them togather a little to make the connection tight and it has worked fine ever since
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Old 02-20-2011, 09:16 AM   #17
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Thanks for all the tips. Took the dash off this weekend and pulled the control unit out. While jostling it the blower turned on and off. It would go off an on as I gently moved the unit around. I unplugged the harness to the blower switch, blew it out (no corrosion or burn) and plugged it back together. Working fine so far...knock on wood.

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