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    1. 01-08-2009 #1
      paulk68
      paulk68 is offline Registered User
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      Jeep wrangler problem

      Hey guys my mom has an 04 Wrangler and the heater switch only works on high. she gets nothing on low or medium fan. could it be the switch itself or maybe a fuse? let me know what you guys think thanks


      Paul Krol
      1968 Camaro
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    3. 01-08-2009 #2
      CutlassSupreme
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      Most likely the blower motor resistor needs replacing. The resistor usually has three wires coming off it two of the wires will be different resistances for the low and medium switch setting and the third will be a direct path for the motor to ground. Thats why the high setting is still working, it doesnt rely on the resistor to complete the circuit.

      Hope that helps.
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    4. 01-08-2009 #3
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      JEFFTATE
      JEFFTATE is offline -Moderator-
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      Yep , sounds like the resistor.
      Jeff Tate
      U.S.A.
      "The best thing about participating in these events is that you get to hang out with a group of intelligent like minded people who live to achieve things in their lives. You won't find a lazy, mean, or dumb bone in their bodies." Bret Voelkel, RideTech
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    5. 01-09-2009 #4
      paulk68
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      thanks guys i will start with that then. I really appreciate it.

      Paul Krol
      1968 Camaro
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    6. 01-09-2009 #5
      paulk68
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      cool guys, do you know where i would find the resistor? is it behind the dash? or a under the hood thing? thanks

      Paul Krol
      1968 Camaro
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    7. 01-09-2009 #6
      CutlassSupreme
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      Havent done one on a wrangler but its usually an under the dash thing. Itll be on the passenger side and should be mounted onto the blower motor housing with a couple screws. Might have to remove the glove box to access it.
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    8. 01-09-2009 #7
      CutlassSupreme
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      http://www.answerbag.com/q_view/527529

      Found this. Answer two has a very good description and answer three has a diagram out of a service manual.
      Hope you get it fixed.
      Dave
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    9. 01-12-2009 #8
      paulk68
      paulk68 is offline Registered User
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      that is great thank you so much

      Paul Krol
      1968 Camaro
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