Question about 2003 Chrysler Town & Country

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Replacing Blower Motor Resistor

Need diagram of how to change out Blower motor resistor. 2003 T&C Chrysler with automatic climate control. After work one day, the blower just took over and runs full speed. If you turn OFF the power button, the re-circulation mode comes on. The temp controls work ok. The Rear system is OK.

I'll try the resistor block thing.

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  • 71chargerrt Feb 22, 2009

    I have the same problem as bsizelove. I am curious if the resister block cured the problem or not.




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  1. Disconnect and isolate the battery negative cable.
  2. Open the glove box.
  3. Flex both sides of the glove box bin inward near the top far enough for the rubber glove box stop bumpers to clear the sides of the glove box opening, then roll the glove box downward.
  4. Reach through the glove box opening to access and disconnect the instrument panel wire harness connector for the blower motor resistor from the resistor connector receptacle (Blower Motor Resistor).
  5. Reach through the glove box opening to access and disconnect the blower motor pigtail wire connector from the resistor connector receptacle.
  6. Remove the two screws that secure the blower motor resistor to the evaporator housing.
  7. Remove the blower motor resistor from the evaporator housing.Replacing Blower Motor Resistor - 80ac4e54.gif

Posted on Mar 08, 2009

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That did the trick, Thank you very much!

Posted on Mar 09, 2009

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2002 jeep grand cherokee heater fan wont turn on when you turn the dial.


Do you know how to test automotive electrical circuit's , looking at a wiring diagram so you know what all is involved in the blower motor circuit . Using a DVOM - digital volt ohm meter to test the circuit . Free wiring diagram's here http://www.bbbind.com/free_tsb.html Enter vehicle info. year , make , model an engine size . Under system click HVAC ,then under subsystem click on HVAC controls . Click the search button then the blue link .The thing's that could be wrong , blower motor it's self , the blower motor controller for automatic climate control , a blown fuse -but fuse's don't just blow for no reason - short to ground maybe ! 40 amp fuse #1 in the under hood fuse box . Blower motor resistor block if your vehicle has manual climate control .
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Hello! it's my job to make things as easy for the customer as possible...Therefore I must ask why you want to replace the heater switch? Is it because you have lost one or two of the switch speeds? Your vehicle is noted for loss of the Blower Motor Resistor...
Changing the Heater switch means removal of the Climate Control Assembly which is not the easiest of jobs...I've included the process...But are you sure the blower resistor is OK? If you have lost 1,2, or all blower motor speeds it's more than likely the Resistor pack. And a lot easier to change...
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Remove climate control:





12_26_2011_2_15_09_am.gif
  1. Remove the instrument cluster finish panel...
  1. Remove the 3 climate control assembly screws...
  1. Disconnect the climate control assembly vacuum connector...
  1. Disconnect the 5 climate control assembly electrical connectors...
  1. Remove the climate control assembly..
Removal of blower motor Switch:
  1. Remove the climate control assembly.
  1. Remove the blower motor switch knob.
  1. Remove the blower motor switch.
    1. Remove the screw.
    1. Remove the blower motor switch.

Removal of blower motor Resistor:


12_26_2011_2_22_49_am.gif
Blower Resistor is under the battery tray...

MOTORCRAFT Part # YH1698 ...cost $25

12_26_2011_2_28_50_am.jpg

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