Tuesday, October 1, 2013
How to Replace a Chrysler Pacifica Blower Motor Resistor
Replacing the blower motor resistor pack may be necessary if the blower motor in your Pacifica is not working correctly. Most often, the blower will run on high and turn off but not function on any of the settings in between when the resistor is bad. A replacement resistor pack is available from most auto parts stores and is located on the face of the blower motor, where it meets the HVAC duct under the dash.
Instructions
- 1
Open the hood of your Pacifica and locate the negative battery terminal at the battery. Loosen the pinch bolt on the cable end with a wrench then remove the cable from the terminal, isolating the cable while you work.
2Open the passengers door and locate the blower motor under the dash on the passengers side. The motor sits directly behind the glove compartment.
3Find the resistor pack on the face of the blower motor then remove the wiring harness connector by releasing the locking tab on the connector and pulling the connector straight off the resistor pack.
4Locate the two retaining bolts on the ends of the resistor pack and remove them with a socket and ratchet. Slide the resistor out of the HVAC duct then lower it from behind the dash.
5Position the new resistor pack in the HVAC duct then install the two retaining bolts and tighten them with a socket and ratchet. Do not over-tighten the bolts or you will damage the plastic housing.
6Push the wiring harness connection onto the new resistor pack, making sure it is secure. Take your time to be sure it goes on straight or the pins can bend on the resistor pack, causing it to function incorrectly.
7Move to the battery and install the negative battery cable on the negative battery terminal then tighten the pinch bolt with a wrench. Test the repair by running the blower through the speeds and verify it is working properly.
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