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Rear light problem, please help!!

Discussion in 'A4/A4 cabriolet/S4 forum(B6 chassis)' started by Andy_Foz, Dec 2, 2012.

  1. Andy_Foz
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    Andy_Foz Member

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    [Dec 2, 2012]
    Evening all

    Last week, my A4 told me the right rear light bulb needed replacing. Had a check and it appeared the inner bulb for the red rear lights was out (there is a single filament on the inside and dual filament that doubles as a brake on the outside). Got round to buying a bulb this morning, whipped the light out and the bulb was fine?? Replaced bulb anyway but still no luck.

    Thos makes me think it is a wiring fault but I don't know where to start other than using the left side as a source and splicing a wire to the right light, but I guess this wont help the computer telling me there is a bulb out. Anyone else had a similar problem?

    Andy
    #1
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  3. bez101
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    bez101 Yorkshire & Humber Rep. Regional Rep VCDS Map User

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    [Dec 2, 2012]
    is the bulb working ?
    are all the bulbs working ?
    clean the contacts that can trigger it
    #2
  4. Andy_Foz
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    Andy_Foz Member

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    [Dec 2, 2012]
    Sorry, should have explained better. The bulb works but not in that particular bulb socket. The contacts are all corrosion free too.
    #3
  5. Andy_Foz
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    Andy_Foz Member

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    [Dec 3, 2012]

    Anyone?? Pleeeeeease!!!!! :)
    #4
  6. stu_m
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    stu_m Active Member VCDS Map User

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    [Dec 3, 2012]
    have you checked the multiplug for the wiring? not sure if its got a separate feed or runs off the one next to it
    #5
  7. SL11CKK
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    SL11CKK Active Member

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    [Dec 4, 2012]
    I had a similar issue like yours and it turned out the contacts on the bulb holder needed a bit more bending out to make better contact with the bulb..
    #6
  8. colinurquhart
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    colinurquhart Member

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    [Dec 4, 2012]
    I had a similar problem this year with a few of my rear bulbs not working. I even bought new bulb holders but it turned out to be a J519(I think) central control module. This part only comes from Audi and has to get coded to the car with vagcom. I had mine done at a local vag specialist and was about £375 all in. Hope this helps.
    #7

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