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2019 Mk7 tail light intermittent

Will6798
Will6798
in Ford Fiesta Club

Featured Replies

Hello everyone.

My wife had asked me to have a look at the passenger side tail light as she was informed by another driver it was intermittent.

My first guess was the bulb had gone, but the bulb was absolutely fine. I did notice the contactors were slightly corroded so cleaned them up and the bulb was working fine. Since putting the cluster back on the car it goes back to being intermittent but mostly not working.

 

Any help as to what could be causing this issue would be much appreciated.

  • Quote


    Try a new bulb first

  • Quote
    • Author

    Ah, forgot to say it's also had a new bulb

  • Quote

    Probably be a bulb holder issue then

  • Quote
    • Like 1

    Example of a common fault

    On 4/15/2023 at 10:17 PM, unofix said:

    The ground tab in the lamp holder is not protruding far enough out and is not making contact with the side of the bulb.

    It just needs eased out a few millimeters with a small screwdriver.

    tab.JPG

     

  • Quote
    • Author
    On 5/12/2025 at 5:45 PM, unofix said:

    Example of a common fault

     

    That was it! Thanks for your help.

  • Quote
    • Like 2

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