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  1. #1
    Join Date
    Jun 2010
    City/State
    Dexter, MI
    LJ Year
    2005
    Year Purchased
    2005
    Posts
    391

    Blower motor resistor install

    I lost the lowest two speeds on the fan but still had AC and heat. That meant blower motor resistor, luckily it's cheap and easy to replace.

    Open the glovebox (interesting side note you may not be aware of, there's a map of the fusebox that's behind the glovebox on the right hand side of the glovebox.) Slide out the strap and hold onto the glovebox while you open it wide, it will come loose from the dash.
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    Disconnect the radio antenna wire to make room, the blower motor resistor is below the green connector in the right of the picture.
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    Click image for larger version. 

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    Here you can see the top screw (8mm) on the blower motor resistor just below the green connector.
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    Under the dash, pull the courtesy light to get better access. (phillips head)
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  2. #2
    Join Date
    Jun 2010
    City/State
    Dexter, MI
    LJ Year
    2005
    Year Purchased
    2005
    Posts
    391

    Re: Blower motor resistor install

    This is the bottom screw from under the dash, you also see the resistor connector. I left the connector attached until I pulled the resistor, it was much easier to get at after it was removed.
    Click image for larger version. 

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    It was easier to remove the green plug, pop the red lock to the left and pull it loose. The top plug is held onto a retainer, you have to slide it down to get it off.
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    This gives full access to the screws and plug for the resistor.
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    Once the bolts are out, the resistor pulls right out (the business end is actually in the airbox to help cool it while it's doing it's thing) and you can hang it down underneath the dash. This is the old, toasted unit that only worked on the two highest settings.
    Click image for larger version. 

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    You have to pop the red locking piece up, it was very stubborn on mine and I had to go at it with a flathead screwdriver. Then the resistor pops loose.
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  3. #3
    Join Date
    Jun 2010
    City/State
    Dexter, MI
    LJ Year
    2005
    Year Purchased
    2005
    Posts
    391

    Re: Blower motor resistor install

    New resistor hotness ready to go back in.
    Click image for larger version. 

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    Installation is the reverse of disassembly. Enjoy your full range of blower speeds.

  4. #4
    Join Date
    Mar 2013
    City/State
    new sharon, Me
    LJ Year
    2006
    Posts
    8

    Re: Blower motor resistor install

    Replaced my resistor yesterday, this thread was very helpfull. Except for big gompy hands I had no trouble. thankyou Big walton

  5. #5
    Join Date
    Jun 2010
    City/State
    Dexter, MI
    LJ Year
    2005
    Year Purchased
    2005
    Posts
    391

    Re: Blower motor resistor install

    Right on, good stuff!

  6. #6
    Join Date
    Jun 2010
    City/State
    Lexington, SC
    LJ Year
    2004
    Year Purchased
    2014
    Posts
    358

    Re: Blower motor resistor install

    this is great.. I was just about to post something about the fan switch. My lower 2 went out over the weekend and will now use this to check.

    thanks Eric.. great documentation.....

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