Created on: 2012-11-20
Learn how to replace a bad or broken blower motor fan speed resistor module on your 04-08 Chrysler Pacifica.
Socket Extensions
8mm Socket
Ratchet
Flashlight
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Hi, I'm Mike from 1A Auto. I hope this how-to video helps you out, and next time you need parts for your vehicle, think of 1AAuto.com. Thanks.
In this video, we're going to show you how to replace the air conditioning and heater fan resistor. These vehicles have automatic temperature control. If your fan's not working or if it comes on at only high speeds or comes on at only low speeds, or doesn't quite take care of your needs as far as warming up or cooling down the car, usually that's a sign that your resistor has gone bad. It's a pretty easy procedure. You just need an 8mm socket with a ratchet and an extension and, as well, a flashlight will help.
Come on in here to your glove box, open it up. You'll want to remove anything that's inside of it. Then you just pull each side of it over. Then the glove box comes down. Then right back in here, this is your resistor. Press in and unplug one harness. Press in and unplug the other harness. Use an 8mm socket with a ratchet and extension. I'll just speed up as I remove the two bolts that hold the resistor in place. Pull it right out.
There's my original one, and a new one from 1AAuto. You can see it's going to connect all the same, with a slightly different look on the inside portion of it. It's going to go right in. Start one bolt. Start the other bolt. Again, I'll fast forward here. Start the bolts in; tighten them up with your 8mm socket and ratchet and extension. When you tighten them, you want to be careful not to over-tighten them, just get them in there, nice and firm. Plug it in. Bring your glove box up, push the side in. Push the other side in and your all set.
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The heat and air condition fan is controlled by a separate module, called the blower motor resistor. The nature of this component’s job causes it to heat up frequently, which can lead to failure. If your vents will only blow one speed, this is likely the cause. TRQ has a new resistor module made specifically for your vehicle. How to install it yourself in your 2008-12 Jeep Liberty.