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Thread: 2017 RAM 2500 Tradesman - Interior Dome Light

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    MrPowell's Avatar

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    2017 RAM 2500 Tradesman - Interior Dome Light

    Hello there. I have a ‘17 Tradesman 2500 and having problems with the dome light.

    Sometimes when I open any door, the light will come on, which is excellent, sometimes it won’t come on with any entry and won’t come on till I turn the ignition switch on.

    It seems like everyone I ask says I have my dimmer switch in the wrong position.

    I would agree with that, except it stays turned to the left just enough to keep the bright dash light settings off.

    Any ideas.


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  3. Top Of Page | #2
    I WILL STAND! AK Bob's Avatar

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    Re: 2017 RAM 2500 Tradesman - Interior Dome Light

    Quote Originally Posted by MrPowell View Post
    Hello there. I have a ‘17 Tradesman 2500 and having problems with the dome light.

    Sometimes when I open any door, the light will come on, which is excellent, sometimes it won’t come on with any entry and won’t come on till I turn the ignition switch on.

    It seems like everyone I ask says I have my dimmer switch in the wrong position.

    I would agree with that, except it stays turned to the left just enough to keep the bright dash light settings off.

    Any ideas.
    Have you tried adjusting the dimmer switch to see if it makes any difference?

    The conditions you describe do seem to point to the dimmer module.

    See attached information on the courtesy lamp circuit operation.

    Attached Files Attached Files
    2014 RAM 3500 (Aisin) 3.73 4X4 Limited Crew Cab Long Bed DRW. Oil Bypass Filter, Fuel Filtration Kit, Cold Air Intake, City Diesel Actuator and 50 Gallon Aux Fuel Tank.

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  5. Top Of Page | #3
    MrPowell's Avatar

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    Re: 2017 RAM 2500 Tradesman - Interior Dome Light

    As I said, everyone has said the dimmer switch.

    I could see that being the problem if it never worked.

    Sometimes it does, and sometimes it doesn’t.

    My dimmer switch is turned to the right before it kicks the insanely bright instrument lights on.

    If I turn it to the right anymore, the instrument lights get bright, and one more roll to the right, the dome light comes on manually.


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    Badger2078's Avatar

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    Re: 2017 RAM 2500 Tradesman - Interior Dome Light

    If a door is open or door switch said the door was left open overnight this is exactly what it would do.

    Sent from my SM-G973U using Tapatalk


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  9. Top Of Page | #5
    I WILL STAND! AK Bob's Avatar

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    Re: 2017 RAM 2500 Tradesman - Interior Dome Light

    Quote Originally Posted by Badger2078 View Post
    If a door is open or door switch said the door was left open overnight this is exactly what it would do.

    Sent from my SM-G973U using Tapatalk
    So you are thinking he may have an intermittent door switch or possible lose door switch connection.

    That does make sense.


    2014 RAM 3500 (Aisin) 3.73 4X4 Limited Crew Cab Long Bed DRW. Oil Bypass Filter, Fuel Filtration Kit, and 50 Gallon Aux Fuel Tank.

    2014 RAM 3500 (Aisin) 3.73 4X4 Limited Crew Cab Long Bed DRW. Oil Bypass Filter, Fuel Filtration Kit, Cold Air Intake, City Diesel Actuator and 50 Gallon Aux Fuel Tank.

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  11. Top Of Page | #6
    MrPowell's Avatar

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    Re: 2017 RAM 2500 Tradesman - Interior Dome Light

    That would make sense.

    To that, though, I could open the door, and the light comes on, close it and open again, and the light may stay off.

    One thing that is for sure is that it’s frustrating.


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  13. Top Of Page | #7
    OneTon's Avatar

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    Re: 2017 RAM 2500 Tradesman - Interior Dome Light

    Do you have an LED bulb in there by chance?

    Mine has done the same thing you explained since I swapped in an LED.

    I chalked it up to the sensitive CAN bus on these trucks.

    2015 Ram 3500 CCSB SRW 4x4 G56
    2020 Ram 2500 CCSB 4x4 68RFE

    Never ending project. Always adding something...

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  15. Top Of Page | #8
    MrPowell's Avatar

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    Re: 2017 RAM 2500 Tradesman - Interior Dome Light

    Yes I do have an led light in the dome.

    Maybe I’ll try changing it out.


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  17. Top Of Page | #9

    Re: 2017 RAM 2500 Tradesman - Interior Dome Light

    Any update?

    I am going thru the same issue on my 17.


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  19. Top Of Page | #10

    Re: 2017 RAM 2500 Tradesman - Interior Dome Light

    I just swapped the LED Map Lights & Dome light in my truck for OEM-style lights.

    Lo & behold.

    It all appears to work as intended now.


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