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Pulsing interior light

Discussion in 'A3/S3 Forum (8L Chassis)' started by Dom Knight, Sep 8, 2013.

  1. Dom Knight
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    Dom Knight Member

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    [Sep 8, 2013]
    Back in the summer when it was really hot the car alarm kept going off.
    And it was about then I noticed that the interior overhead lights started to pulse on and off.
    So I turned of the interior light.
    But about a month ago I turned it back on and it no longer pulsed.
    However today it started to pulse again when we went out.
    I was wondering if the light pulsing means something else like something failing or something that needs looking at.
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  3. Westy
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    Westy Double Dark Side! Diesel & 8P

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    [Sep 8, 2013]
    It's normally one of the door lock sensors on te blink. Mine did this in te summer too and I can also hear a click around the ignition area. I find slamming the doors seems to solve it for a bit.
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  4. AudiS3Q4tro
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    AudiS3Q4tro New Member

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    [Sep 8, 2013]
    I had the same problem... ended up being my boot latch not been shut properly.. I ended up taking it out re greasing and never had the problem again!!
    #3
  5. WorkInProgress
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    WorkInProgress Member

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    [Sep 9, 2013]
    Same as Westy, I just walk around the car opening and closing all the doors, usually does the trick, think it's my passenger door that's the problem on mine
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  6. Dom Knight
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    Dom Knight Member

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    [Sep 9, 2013]
    When my drivers door dropped and I had it re-alinded the latch makes a rattling noise as you drive along.
    I will look at that and the hatch lid lock too as I had to replace that lock this year.
    I blame the wife as it only happens when she drives the car.
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  7. Westy
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    Westy Double Dark Side! Diesel & 8P

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    [Sep 9, 2013]
    Same thing here mate lol
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  8. Jonesy
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    Jonesy Member

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    [Sep 9, 2013]
    Same here, when my passenger door opens the light pulses! Opening drivers door or closing passenger door stops the pulsing.
    #7
  9. jimmp
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    jimmp Member

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    [Sep 9, 2013]
    I had this on my previous 8L, my 1.8T quattro. I replaced the 'strike plate' door-lock mechanism in the door and it cured it. There's a microswitch in the mechanism which you can't source as a distinct part.

    I've got it again right now on my 8L TDI quattro and I replaced the mechanism again last week- no result.
    #8

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