Heater problems - JeepForum.com
 
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post #1 of 2 Old 09-11-2011, 09:46 PM Thread Starter
jth0033
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1987 YJ Wrangler 
 
Join Date: Jul 2009
Location: Downingtown
Posts: 871
Heater problems

Well I come to JeepForum once again for help. The other day I went to clear the front window after a cool night and no top and I realize that my heater doesn't work. No sound, no air, no nothing. I'm sure this has been covered somewhere but I am kinda stumped. Can anyone help me out?

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post #2 of 2 Old 09-12-2011, 12:00 AM
89yjsahara258
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1989 YJ Wrangler 
 
Join Date: Mar 2011
Location: Victoria
Posts: 156
Did you check the fuse? Do you have 12v at the blower motor (orange/black wire under the battery) when the climate control is in the defroster or heat position? Another place to check is how the resistors look. They are found by removing the red panel on the passenger side of the heater box. The plug going in to the resistors also should show 12v on one, then two, the three wires as your increase your fan speed on the climate control.

I just finished chasing this problem down on mine after installing a blazer blower motor in mine. Turned out that the switch plug was not completely connected to the fan speed switch. It had come loose driving.

Anyway I hope this gets you started... No pun intended..

Spencer
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