IF YOU OPEN THE HOOD ON THE RIGHT SIDE THERE IS A SQUAR BOX THAT SITS RIGHT NEXT TO THE BATTERY OPEN THAT BOX AND LOOK UNDER THE PART YOU OPEN AND IT HAS A DIAGRAM AND THE NUMBER WHERE IT GOES
WARNING: ON VEHICLES EQUIPPED WITH AIRBAGS, DISABLE THE AIRBAG SYSTEM BEFORE ATTEMPTING ANY STEERING WHEEL, STEERING COLUMN, OR INSTRUMENT PANEL COMPONENT DIAGNOSIS OR SERVICE. DISCONNECT AND ISOLATE THE BATTERY NEGATIVE (GROUND) CABLE, THEN WAIT TWO MINUTES FOR THE AIRBAG SYSTEM CAPACITOR TO DISCHARGE BEFORE PERFORMING FURTHER DIAGNOSIS OR SERVICE. THIS IS THE ONLY SURE WAY TO DISABLE THE AIR-BAG SYSTEM. FAILURE TO TAKE THE PROPER PRECAUTIONS COULD RESULT IN AN ACCIDENTAL AIRBAG DEPLOYMENT AND POSSIBLE PERSONAL INJURY OR DEATH OR DEATH.
NOTE: The blower motor is located on the passenger side of the vehicle under the instrument panel. The blower motor can be removed from the vehicle without having to remove the HVAC housing.
Disconnect and isolate the negative battery cable.
Remove the passenger side cowl trim panel.
Position the carpet to access the front upper screw that secures the air inlet housing.
Remove the recirculation door actuator.
Disconnect the blower motor wire lead connector from the blower motor resistor or power module, depending on application.
Remove the one screw (from the top) that secures the lower air inlet housing to the upper air inlet housing.
Remove the four screws (from the bottom) that secure the lower air inlet housing to the upper air inlet housing and remove the lower HVAC housing.
Push the rubber grommet through the opening in the lower air inlet housing.
Route the blower motor wire lead through the opening in the lower air inlet housing and remove the lower air inlet housing from the vehicle.
Position the recirculation-air door as necessary to access and remove the three screws that secure the blower motor to the lower half of the HVAC housing.
Gently flex the recirculation air door downward to gain access to remove the blower motor from the HVAC housing. NOTE: To aid in installation, note the position of the blower motor mounting tabs prior to removal
Remove the blower motor from the HVAC housing by rotating and tilting the blower motor as necessary.
INSTALLATION
Gently flex the recirculation-air door downward to gain access to install the blower motor into the HVAC housing.
Position the blower motor to the HVAC housing and tilt and rotate the blower motor as necessary to install it into the HVAC housing.
Align the blower motor mounting tabs to the locations noted during removal and install the three screws that secure the blower motor to the HVAC housing. Tighten the screws to 2 N·m (17 in. lbs.).
Route the blower motor wire lead through the opening in the lower air inlet housing and seat the rubber grommet.
Position the recirculation door pivot shaft into the lower air inlet housing and install the inlet housing.
Install the four screws (from the bottom) that secure the lower air inlet housing to the upper air inlet housing and the lower HVAC housing. Tighten the screws to 2 N·m (17 in. lbs.).
Install the one screw (from the top) that secures the lower air inlet housing to the upper air inlet housing. Tighten the screw to 2 N·m (17 in. lbs.).
Connect the blower motor wire lead connector to the blower motor resistor or power module, depending on application.
Install the recirculation door actuator.
Reposition the carpet.
Install the passenger side cowl trim panel.
Reconnect the negative battery cable.
Perform the heater-A/C control calibration procedure.
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So you need a repair shop or dealer to do the
required testing to find & resolve ALL wiring
& electrical problems
You do not want a guess from an internet site
Doesn't work that way
Need wiring diagrams,lots of your time to explain the
issues & some detailed & possibly lengthy & for you,costly
labor time, to just find the main issue
Since you eliminated the relay and blower resistor as possible problems, the only thing left is an intermittent blower motor. Have had the problem before and when the motor was replaced, the problem was gone.
Hello Budd, my name is Andy i need you todo something for me first check all the fuses including the ones located under the hood and the ones located under the steering column and see if all of them are good then if everythinglooks good you have a bad climatepanel.....
chances are it is the blower motor resistor, it is located under the glove box and can be identified as the small object that the fan wires connect to and since it is cooled by the blower you can reach in and make sure the fan blades will turn if you push them. blower are known to go out but that is usually due the bearings wearing out and it would have been screeching loudly for the last several months. if you want to check the fan motor you can make sure it physically spins and check for resistance on the 2 wires with a multimeter.
if you decide to replace the resistor yourself (which should take 15 min) buy the part from a local store as there are 2 different blower motor resistors used in 04 and 05 pacifica and no good way to identify the 2 different versions you can return the wrong part and present them with the part you removed from the car for them to match up
Usally when a blower motor resistor goes bad the fan still runs on high. The resistor lowers the voltage going to the fan to make it run slower. The high setting usually goes straight thru. Resistors are usually easy to get to, under good on the firewall or under dash passenger side. Cost about $24 at parts store. Replace with new if that doesn't work return it.
IT COULD BE BLOWER MOTOR NOT GROUNDED.YOUR BLOWER MOTOR FUSE AND RELAY COULD BE BAD.MAKE SURE POWER IS GOING TO BLOWER.MOTOR.CHECK TO SEE IF POWER IS GOING TO SWITCH IF SO SWITCH COULD BE BAD.HOT WIRE BLOWER MOTOR USING JUMPER WIRE AND POWER FROM THE BATTERY.IF BLOWER MOTOR WORKS.YOU HAVE FUSE RELAY AND SWITCH PROBLEM.MOST THE TIME WHEN RESISTOR BAD.YOUR BLOWER MOTOR ONLY WORK ONE SPEED SOME TIME.
You need a blower motor resistor. This will take care of the problem. It is located behind the glove box. Pull it down, and you will see a plug going into the heater box. Two screws, and that is it.
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