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Old 01-23-2011, 06:32 AM
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Smells like an electrical fire in my jeep all the sudden

The last few days it has smelled like there is something electrical getting hot in the cab. Cant possibly think of what it is the only thing i have had trouble out of is the blower fan switch. and the heat hasnt been near as warm lately...any ideas guys?

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Old 01-23-2011, 07:12 AM   #2
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I'd start by checking the fan speed switch, which is commonly a failure part.

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Old 01-23-2011, 12:22 PM   #3
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If it smells like fire there probably is or will very soon be a fire in your jeep.
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Old 01-23-2011, 12:50 PM   #4
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You might want to check the resistors which adjust fan speed. If I remember I think there in the glove box back there somewhere maybe.
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Old 01-23-2011, 01:01 PM   #5
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Quote:
Originally Posted by monkeee2002 View Post
I'd start by checking the fan speed switch, which is commonly a failure part.
^This...check the wiring on the switch controls. They're known for burning up and melting which will cause heater problems.
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Old 01-23-2011, 04:43 PM   #6
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s3et3nc3d is right. Check he switch and also check the plug that plugs into the resistor pack at the bottom of the housing on the passenger side. Those wires caused me some of the same problems you are talking about.
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Old 02-09-2011, 03:12 PM
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it was the plug behind the vent selector knob...i was melted pretty good...and ideas what causes this? for a temporary fix i just wired a toggle switch to it and ran it out of the top of the dash...haha
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Old 02-09-2011, 07:16 PM   #8
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Dirt and dust build up in the blower causes increased resistance and calls for more power which causes the wires to melt. Petersen's 4 Wheel had a write-up on this awhile back. I'll see if I can locate the article.
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Old 02-09-2011, 07:21 PM   #9
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Here's the article. It was actually JP Magazine. Good article to read for all.

Jeep Fire Prevention - Jp Magazine

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