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Thread: headlights stay on after car is turned off

  1. #1

    Default headlights stay on after car is turned off

    so i have aproblem that i am hoping someone else has heard of. it all started with my girlfriend's sisters E34 her headlights would not stay on. i diagnosed that the LKM (light control module) was bad. so i replaced it. now a few weeks later her lights will not go off when the car is turned off and the lights are switched off. at first i could not get it to happen so i could fully diagnose the problem. so i swapped the new LKM from her car with my dads. and then my dad's car, his lights will stay on. so i got another LKM though maybe i just got a bad one. so i installed the new one in my dad's car and they still stay on intermittently. and when the lights stay on they will go out within 5 mins or so.


    lol sooo anyone have any ideas?

  2. #2

    Default

    bump.

    i think i figured it out i belive that there is a bad batch or modules out there
    atleast the relays on the board i belive are bad

  3. #3
    Join Date
    Feb 2006
    Location
    Seattle, Wa
    Posts
    290

    Default

    Had a similar problem with my fog lights. They would stay on even after they were switched off. A good rap on the LKM and they would switch off. Got tired of it and bought a used one off ebay. Works the way it is supposed to

  4. #4

    Default

    was your lkm origianl to the car?

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