heat/vent fan not working - JeepForum.com

 
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post #1 of 9 Old 04-26-2007, 06:53 PM Thread Starter
olyjeep
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heat/vent fan not working

I haven't used the heat or fan in general for a few weeks but when I was running hot the other day, I went to turn the heat on to see if that would cool it off a little. Low and behold, the fan is not working at all on any speed.

Only thing I did recently was to pull the gauge cluster to clean the contacts on the oil pressure gauge but I don't think I messed anything up below it.

I checked the fuse and it is ok, and I pulled and inspected the connector behind the fan switch, seems to be connecting ok.

Any other things I should check?


2005 Khaki LJ Auto
2.5" Pro Comp Lift
32" BFG AT
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post #2 of 9 Old 04-26-2007, 08:42 PM
rustywrangler
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What setting do you have it set on? If its on vent it does not blow air on that setting.


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post #3 of 9 Old 04-27-2007, 07:14 AM Thread Starter
olyjeep
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I tried it on all the settings but still no fan.

2005 Khaki LJ Auto
2.5" Pro Comp Lift
32" BFG AT
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post #4 of 9 Old 04-27-2007, 07:33 AM
ltdanyj
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I just had the same problem yesterday!!! turn your key on, but don't start your engine... Now turn your heater/fan on, and watch your voltmeter. Does it drop? If so, your motor is jammed... I pulled the blower cover, and found a PEN that looked 10 years old.... Everything is hunky dory now....
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post #5 of 9 Old 04-27-2007, 08:10 AM Thread Starter
olyjeep
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Hmmm, I'll have to check that out. Where is the blower motor located at anyway? I don't have the Jeep nearby right now.

2005 Khaki LJ Auto
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post #6 of 9 Old 04-27-2007, 08:43 AM
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passenger footwell, next to the kickpanel
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post #7 of 9 Old 04-27-2007, 09:53 AM Thread Starter
olyjeep
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Thanks! I'll check when I get home today.

2005 Khaki LJ Auto
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post #8 of 9 Old 04-27-2007, 09:02 PM Thread Starter
olyjeep
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Quote:
Originally Posted by ltdanyj
I just had the same problem yesterday!!! turn your key on, but don't start your engine... Now turn your heater/fan on, and watch your voltmeter. Does it drop? If so, your motor is jammed... I pulled the blower cover, and found a PEN that looked 10 years old.... Everything is hunky dory now....

Tried it and voltage does not drop at all. On to the next step. anyone else know what may have caused this? It was working a month ago...last time I needed the heater anyway...

2005 Khaki LJ Auto
2.5" Pro Comp Lift
32" BFG AT
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post #9 of 9 Old 04-28-2007, 08:41 AM
timatoe
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Open the hood and look under the battery, you'll see the back of the blower motor sticking through the firewall. It should have a orange (I think) wire on a spade terminal. If it's not there = no power to the motor. Guess how many ways I tried troubleshooting the switch before finding this???

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