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 heater switch 
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Location: Pleasant Valley
Post heater switch
runs the fan on high est setting only  (assume same for air but have not tried yet and cant remember last time I had air on )
anyway, there is a module behind the switch 1st likely cause?  second would be the relay/module under the glove compartment?

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Sun Nov 15, 2015 6:55 pm
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Location: Sissonville, WV
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Post heater switch
Probably the resistor pack under the glove box, but I've also heard of the fan switches getting hot and melting. I'd take the switch out. If it looks ok I'd replace the resistor pack.

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Sun Nov 15, 2015 7:04 pm
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Baller On A Budget

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Post Re: heater switch
You can buy the switch at Advance, I've replaced it twice.  Or it could be the resistor


Sun Nov 15, 2015 7:19 pm
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Post Re: heater switch
It's usually the resistor when only high works.

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Sun Nov 15, 2015 8:35 pm
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WTF

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Post Re: heater switch
Miller48 wrote:
It's usually the resistor when only high works.


:bigthumb:

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Sun Nov 15, 2015 10:13 pm
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Orange jeepin

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Post Re: heater switch
Miller48 wrote:
It's usually the resistor when only high works.


Agree.  Had to replace mine once.  IIRC, it's behind the glove box.  Unhook the wiring harness, remove two bolts, slide it out and slide the new one in.  Ten minute swap.

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Mon Nov 16, 2015 9:59 am
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Post Re: heater switch
thanks, ended up replacing a relay too but all is warm in the jeep, well it will be once the cab curtain is in place

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Mon Nov 16, 2015 5:10 pm
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