Multiple Electrical Problems On Chrysler Instrument cluster Dashboard
2002 Chrysler Sebring Limited convertible have an intermittent dash light problem.
The lights will go off suddenly.
The second problem was while turning the steering wheel heard a snapping sound and then a clicking sound from the steering column. Since then the horn does not work, the cruise control also quit, and the airbag light has come on.
Vehicle Details:
Make: Chrysler
Model: Sebring Limited
Year: 2002
Engine: 2.7
EXPERT'S QUERY
When the lights go off is it just the instrument cluster illumination or does it also affect the radio and a/c control head?
Do they come back on their own or possibly flicker?
CUSTOMERS REPLY TO EXPERT'S QUERY:
On the first problem, it is just the instrument cluster. The rest of the dash lights are fine. They come back on their own and do not flicker.
EXPERT'S REPLY FOR TROUBLESHOOTING THIS PROBLEM:
Is It Switch Or Faulty Cluster?
If the cluster itself is the only thing acting up then you should be able to rule out a switch issue. The switch can cause the lights to come and go but it would affect all illumination.
What are the Possible Causes For This Problem?
Possible causes would be wiring and connections, the body control module or the instrument cluster itself.
OK,But How To Exactly Confirm What is Faulty Out Of This Possibilities?
To know for sure what is going on it will take some simple testing while it's acting up, checking for power on the illumination circuit at the cluster connector while the lights aren't working.
Suppose if there is power there when the lights won't work then obviously the problem is in the cluster, but if not then you have a wiring or BCM problem and the next place you would need to test is the BCM. I've seen some problems with the clusters themselves cause illumination problems and there is a good chance your problem is in the cluster also.
OK, And What About Airbag,horn and Cruise Control Problem Which are Getting Noticed?
The airbag light, horn and cruise are all caused by a broken clock spring The clock spring is in the top of the steering column under the wheel and is what makes electrical contact between the wheel and wiring harness and allows the wheel to turn.
Is It Easy To Replace Clock Spring?
Replacing it isn't hard if you've done some intermediate repairs before, but you do have to remove the airbag. The airbag will need to be removed, the steering wheel and column shrouds removed, and then the clockspring is exposed and can be removed.
It takes less than an hour to replace. If you do the job yourself be sure to disconnect the battery and wait a few minutes before removing the airbag.
OK, But How to check for power on the illumination circuit at the cluster connector while the lights aren't working?
Here is the complete test procedure:
First you will need few basic testing tools.
To check for power you'd either need to use a test light or voltmeter, I would prefer a test light in this case.
What Exactly I Have To Check?
You would be checking for power right at the instrument cluster connector, the cluster would need to be removed.
But How To Remove Instrument Cluster?
To remove the cluster you first remove the left instrument panel end cap. It is held in with push in fasteners and will pop off.
Using a small flat bladed tool get in behind the mirror switch bezel and gently pry it out, unplug the electrical connector and set the switch/bezel aside. Also remove the bezel to the right of the steering column.
Then you can remove the cluster bezel. The cluster bezel is the large trim piece that goes around the instrument cluster and contains the two center a/c vents.
There will be four screws to remove on the bezel.
Once the screws are out then you can get behind the panel and gently pry it rearward and work your way around popping the clips loose.
Disconnect the compass connector if you have a compass in the center of the dash, then you can completely remove the bezel and set it aside.
This will expose the screws that hold the instrument cluster in. Remove the screws and then remove the cluster.
OK,So After That What Wire Has To Be Tested For What Volts?
Facing the cluster connector the top row of terminals is numbered 1-13, 1 being the top right and counting right to left. Pin 12 is an orange wire, this is the panel lamp driver wire and should have battery voltage with the lights on.
This Details Will Help.
Thanks.
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