Question about 1999 Chrysler 300M

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I have 1999 chrysler 300m but the heater control never turns off i change the blower motor resistor but the problem still there what can i do to fix it please if you know please help me

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Well two things first you might have control head is bad try to get diffrent one second i see that fuse #17 it is 10amp fuse feeding power to the a/c head control this might be shorted somewhere you still one more fuse #23 it is 30amp fuse feeding the blower motor i check the wiring for this one see if shorted out somewhere but first i try to replace the head

Posted on Jul 28, 2009

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  • 363 Answers

Press the off button below the auto button and hold for a few seconds

Posted on Jul 24, 2009

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chryslertech
  • 115 Answers

SOURCE: Replacing Blower Motor Resistor

  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.80ac4e54.gif

Posted on Mar 08, 2009

  • 6 Answers

SOURCE: 1999 Chrysler 300m ATC Control Communication Failure

i have the same car and it did the same thing when i got it take it to a dealership there are 2 flashes for the bcm body control module that will recalibrate the automatic temp contol and that should fix the problem

Posted on Apr 01, 2009

c17hydro
  • 2984 Answers

SOURCE: need to replace a idle air control valve on a 1999 300M Chrysler

Removal & Installation

  1. Disconnect the negative battery cable.
  2. Disconnect the IAC electrical connector.
  3. Remove the IAC mounting screws.
  4. Remove the IAC.



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To install:
  1. Install the IAC to the throttle body.
  2. Tighten mounting screws to 5.1 Nm (45 inch lbs.) torque.
  3. Attach electrical connector to the IAC.
  4. Connect the negative battery cable.
  1. Disconnect electrical connector from IAC motor.
  2. Disconnect air plenum (where applicable).
  3. Remove two mounting bolts (screws).
  4. Remove IAC motor from throttle body.

3ccd55e.gif

To install:
  1. Install IAC motor to throttle body.
  2. Install and tighten two mounting bolts (screws) to 60 inch lbs. (7 Nm) torque.
  3. Install electrical connector.
  4. Connect air plenum (where applicable).

Posted on Mar 06, 2010

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Related Questions:

1 Answer

Changed blower moter and noe it wont shut off


Replace the blower motor resistor it is located in the air ducting with the connector sticking out right next to the blower motor. See picture below.
The 1st picture is of the resistor used with auto climate control the 2nd is manual AC/Heater.
11_10_2012_12_30_19_am.jpg
11_10_2012_12_30_55_am.jpg

Nov 10, 2012 | 1999 Chrysler 300M

1 Answer

I have a 1999 chrysler 300m. i run the diagnostic on the automatic temp. controll and get code 36 got that code to clear and now it shows code 23 can anyone tell what this is and who to fix it thanks


Hi,

Chysler HVAC code 23 = Front Mode (Blend) Door - Range too Large.

Possible causes:

- Actuator circuit test faults preset
- Overcurrent faults present
- Mode door or A/C Heater housing components warped, worn, damaged or broken.
- Mode door actuator
- A/C Heater Control (ATC)

Nov 08, 2011 | 1999 Chrysler 300M

1 Answer

Can not control the heater blower and it will not turn off


I have posted a link below to display the part that is broken in your car. When the Blower Motor Resistor fails or malfunctions, you'll notice that your cars blower is stuck on high or making a quiet ringing noise. I found this part at a junk yard for 35 bucks because originally it is about 150-200 dollars brand new before any labor rates.
NOTE: You'll need to remove the glove box for this repair, and a duct. The duct is a plastic extension part of the assembly in which the air flows through from the blower motor. Very easy to disassemble and repair if you have patience.

There is a video of the replacement procedure in case you are stumped.

Reply if you need any further information.

http://www.autopartswarehouse.com/details/QQChryslerQQ300MQQStandardQQBlower_Motor_ResistorQQ19992004QQSIRU383.html?apwcid=P1135867996W43b3f85c7ab9e&apwid1Sgd2D8

Mar 03, 2011 | 1999 Chrysler 300M

1 Answer

The heater blower stays on high no matter what the fan setting is and even with the ATC unit turned off. What would cause that?


Usually this condition is caused by a defective blower motor power module / resistor, I would usually replace the blower motor as well due to the fact that is probably pushing too much current through the resistor causing it to fail.

Jan 20, 2011 | 1999 Chrysler 300M

1 Answer

How do i change blower motor resistor on 99 jeep grand cherokee


Welcome to FIxYa.com



Blower Motor Resistor and Controller Replacement

Image Blower Motor Resistor Or Controller/Power Module Remove/Install

REMOVAL

1. Disconnect and isolate the batten' negative cable.

2. Depress locking tab and unplug the wire harness connector from the blower motor

resistor or controller (power module).

3. Depress locking tab and unplug the resistor or controller connector from the blower

motor.

4. Remove the 2 screws that secure the blower motor resistor or controller to the

heater-AC housing.

5. Remove the blower motor resistor or controller from the heater AC housing.

INSTALLATION

1. Install the blower motor resistor or controller to the heater AC housing. The

housing is indexed to allow (controller power module) mounting in only one

position. Tighten the mounting screws to 2.2 Nm(20 in. Lbs.).

2. Plug in the wire harness connector to the blower motor resistor or controller.

3. Plug in the connector from the blower motor resistor or controller to the blower

motor.

4. Connect the batten' negative cable.

leedavidian_45.jpg



Thank you for using FixYa.com

Regards, Lee Davidian

Nov 22, 2010 | 1999 Jeep Grand Cherokee

1 Answer

The blower doesnt come on at all


changed the blower motor resistor

Jan 28, 2010 | 1999 Chrysler 300M

1 Answer

I have 2 issues with my '99 300M climate control - the temp display is off most of time but occasionally comes on, and in the last few days the fan has been stuck at full on. The temp will still change if...


no ,the climate control assembly has a problem of shorting out to black,sometimes a good hit brings it back for awhile.the blower motor problem is the blower motor resistor,if you under the dash,behind the glove box you will find the blower motor,follow the motor wire about 10 inches away from motor and they plug into the faulty resistor.

Jan 02, 2010 | 1999 Chrysler 300M

1 Answer

Location of the blower motr control module


replace the blower motor speed control module, that is the only cause of this problem that I know of, and u are about the 20 post for this issue that I have read, it has fixed the other ones..

Feb 26, 2009 | 1999 Chrysler 300M

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