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Old 01-02-2011, 03:30 PM   #1
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heater switch fuse

Anyone know where the heater switch fuse is for a 1998 TJ? My heater just quit working and Im guessing its a fuse. Nothing behind the glove and nothing under the hood. Don't have a manual or I'd check there first.

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Old 01-02-2011, 04:22 PM   #2
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what do you mean by quit working? no air? no heat? need to be specific.

if its the blend door quit working, theres no individual fuse for it.

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Old 01-02-2011, 06:08 PM   #3
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It just stopped blowing air. It was working fine one minute, nothing the next.
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Old 01-02-2011, 06:15 PM   #4
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Try this first, Ignition on, fan on high. take a hammer handle and tap on the blower motor, (behind the battery). See if that doesnt get it running. If so it needs a blower motor.
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Old 01-02-2011, 06:47 PM   #5
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Quote:
Originally Posted by 98SPORT View Post
It just stopped blowing air. It was working fine one minute, nothing the next.
there should be a fuse called blower motor?
does the fan work on full speed?
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Old 01-03-2011, 08:47 AM   #6
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I figured there would be a fuse labeled that too, no dice. No air on any speed.
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Old 01-03-2011, 09:04 AM   #7
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Take the blower out all you got to do is take your battery out and it's right behind there. Test it by hooking straight up to a battery, if it works then you have just a problem in your resistor, etc. Check your plugs going into your resister at the bottom dash of passenger side, wouldn't be surprised if part of the plug is melted, it's a common problem...
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Old 01-03-2011, 12:06 PM   #8
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Also check behind the climate control switches. Make sure you don'y have any melted connections. In addition to the resistor frying, this is also a common Wrangler problem.
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Old 01-09-2011, 09:39 PM   #9
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Ok, Put in a new Resistor and nothing, pulled the control unit, all ok. Fuses fine ready to throw my hands up in the air. On my way home THE FREAKIN HEATER STARTED WORKING!! Of course it was on high so it scared the crap out of me. Still working so.....Ground?
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Old 01-09-2011, 10:29 PM   #10
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Quote:
Originally Posted by 98SPORT View Post
Ok, Put in a new Resistor and nothing, pulled the control unit, all ok. Fuses fine ready to throw my hands up in the air. On my way home THE FREAKIN HEATER STARTED WORKING!! Of course it was on high so it scared the crap out of me. Still working so.....Ground?
only high working indicates resistor.

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