Question about 1999 Chrysler 300M

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Where is the cooling fan relay switch on a 1999 Chrysler 300m?

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Posted on Jan 02, 2017

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SOURCE: cooling fan relay placement 05 pacifica

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

Posted on Dec 29, 2008

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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

morganismo
  • 36 Answers

SOURCE: AC belt on 1999 Chrysler 300M

When you replace the AC belt you really should replace the serpentine belt as well, since you will have to take it off already. If you don't do it now it is inevitable that you will have to replace it in like 3 weeks anyway : )

You need to first remove the serpentine belt by loosening the nut in the center of the idler pulley. After that you will need to loosen the push bolt on the side of the idler pulley. The hub bolt is a 15mm size and the push bolt on the side of the tensioner is a 13mm I think. After you loosen it sufficiently, you will need to pull off the old belt.

Next you will need to loosen the tensioner pulley for the AC belt as well. It is the same process. The main issue is space. You will most likely need to raise your car to get at the right angles to loosen these pulleys.

Once you loosen the idler pulley in the same manner as you loosened the other, you can slip the AC belt onto the back of the crank pulley and route it as the diagram under your hood instructs you. Next tighten up the idler pully in the opposite way as you loosend it...tighten up the push bolt until the belt play is within factory specifications, then tighten the hub bolt in the center of the pulley. Do the same for the serpentine belt and you should be up and running in no time. I just performed these tasks on my 2000 300m and I wish someone would have told me this before I started my project. Hope this helps, Good Luck!

Posted on May 26, 2009

  • 7 Answers

SOURCE: programming instructions for a 1999 Chrysler 300M remote fob

Manual Programming Procedure (non scan tool)
1. Connect pin 1 of the 16-way data link connector to chassis ground or to pin 4 of the 16-way data link connector.
2. Close all doors, turn ignition key to off.
3. Turn ignition key to Accessory.
4. Turn ignition to off, door locks will cycle once (in programming mode).
5. For each key FOB, press any button 3 times in a row to program code. When programming is complete, the door locks will cycle once.

NOTE:
IF A SECOND KEY FOB REQUIRES PROGRAMMING, IT MUST BE PROGRAMMED WITHIN 1 MINUTE OF PROGRAMMING
THE FIRST FOB PROGRAMMING. PRESS ANY BUTTON ON THE SECOND FOB 3 TIMES TO PROGRAM ITS CODE. WHEN PROGRAMMING IS COMPLETE, THE DOOR LOCKS WILL CYCLE ONCE.

6. The programming mode finishes after the following:
a. Programming of two key FOBS is completed.
b. One minute has passed since programming.
c. Pin 1 of 16-way data link connector is removed from ground connection.
d. Ignition switch is turned on.
e. Any of the doors are opened.

Posted on Jun 25, 2009

  • 2 Answers

SOURCE: cooling fan switch/or sensor

The Coolant temp Sensor is located right under the top radiator hose (on the engine side), with a little black connector!, You might have to remove th etop hose to get to it with a deep socket and extension!.
Also Dont Forget to blled the coolant system by the bleeder valve uptop right near/above the coolant sensor!.(10MM Mini socket w/ extension IIRC!)

Posted on Sep 28, 2009

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1 Answer

I have a 1999chrysler 300m and One of my fans does not turn what could be the problem?


fan most likely bad , ck with jumper wires if works fan switch or fuse relay can ck for power to fan with a/c on it overrides coolant temp switch.temp switch dont come on till 200 degrees or more.

Aug 04, 2012 | 1999 Chrysler 300M

1 Answer

My a/c switch is running on high all the time, will not cut off . 1999 chysler 300


Check your blower motor relay... The most likely cause of an issue with fan speed.

Jun 20, 2012 | 1999 Chrysler 300M

1 Answer

My vehicle's a/c compressor will not kick on, so there is not any cold air. when a current is applied directly to the compressor, it kicks on nice cold air. There is something preventing the current...


the vehicle is equipped with a pressure transducer. the pressure transducer relays info to the ECM to turn the compressor on, the cooling fans on by letting the ECM know how much pressure is in the lines. the problem is it can go bad and show high pressure (over 4 volts) to the ECM and not allow the a/c to work.

Aug 04, 2011 | 1999 Chrysler 300M

1 Answer

What size are the fans on a 1999 chrysler 300m



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  • Hope this helps and thank you for using FixYa.

Regards, Tony

Jun 14, 2011 | 1999 Chrysler 300M

1 Answer

My cooling fans are not coming on


3 things to check here assuming the fans are good. Fuses and relays, wiring and connections or fan temp sending unit. Dont think because the sender for the guage working indicates that the fans should work. Most cars have a seperate sensor for the fans. I dont have a wiring diagram so I cant tell you where the relays, sensors or fuses are on this model but this should at least get you started in the right direction.
Hope this helps... Dale

Apr 20, 2011 | 1999 Chrysler 300M

1 Answer

I could not locat cooling fan automatic switch for 1999 chrsler 300m


computer is switching on and off cooling fans
marko

Aug 31, 2009 | 1999 Chrysler 300M

1 Answer

Passenger side radiator cooling fan stopped working


I found that for some reason if you start your car and then remove and reinstall the hi and low relays that the fans work. I have done this numerous times on my 1995 lhs. I thought that my fans were defective until by chance checked the relays which engine was running.

Jun 26, 2009 | 1999 Chrysler 300M

2 Answers

Cooling fan switch/or sensor


The Coolant temp Sensor is located right under the top radiator hose (on the engine side), with a little black connector!, You might have to remove th etop hose to get to it with a deep socket and extension!.
Also Dont Forget to blled the coolant system by the bleeder valve uptop right near/above the coolant sensor!.(10MM Mini socket w/ extension IIRC!)

Jun 03, 2009 | 2002 Chrysler 300M

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