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Headlights dimming on startup

Discussion in 'Audi S4/A4/A4 Cab (B7 Chassis)' started by jimbooboo, Apr 9, 2013.

  1. jimbooboo
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    jimbooboo Member

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    Hi guys,

    Noticed lately that when I start my car for the first 1-2 minutes the headlights go dim and then back to full brightness again. Its quite hard to see sometimes but it is accompanied with a gentle clicking noise from the dash?


    Its a 2006 2.0tdi cabriolet S-line



    Cheers, James
    #1
  2. RMH1A4cab
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    RMH1A4cab I'm in Cruise control

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    Could be the headlight control unit under the steering column, need to go on VCDS first to check voltage to see if it is at fault.
    #2
  3. bizzab7
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    bizzab7 Member

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    have you measured your battery?i had the same problem but it mainly happened when i had my heater on and the lights on at the same time.changed the battery and all good
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