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Running a wire from the engine bay to the passenger side of the car

Discussion in 'A4/S4 forum(B5 Chassis)' started by B5NUT, Dec 13, 2013.

  1. B5NUT
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    B5NUT Well-Known Member VCDS Map User

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    [Dec 13, 2013]
    I need to run a cable from the engine bay to the passenger side foot well, the cable is a fixed length so I cannot route it via the ECU box, the cable is also about 10mm thick.

    I did a quick forum search as I was hoping to see a couple of write-ups but came up blank, anyone help with this or know of a good thread.
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  3. jcb
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    jcb Active Member VCDS Map User

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    [Dec 14, 2013]
    in car transformer?

    get down to halfords and get a decent set of jump leads to replace the fixed length cable
    plenty heavy enough if that is what it is for

    not worth the hassle of going through the firewall when there are so many holes by the ECU/Fuse board?
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  4. B5NUT
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    B5NUT Well-Known Member VCDS Map User

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    [Dec 14, 2013]
    No not a transformer, but it is 240V the cables have special water proof connectors so cannot be cut or modified.
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  5. aragorn
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    aragorn "Stick a V8 in it!" Staff Member Moderator VCDS Map User

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    [Dec 14, 2013]
    What are you trying to do?

    I certainly wouldnt be drilling holes in my bulkhead for some accessory!
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  6. B5NUT
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    B5NUT Well-Known Member VCDS Map User

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    [Dec 15, 2013]
    Just run a cable in the cabin, its why I asked if anyone else had ran cables in before. Decided to go in via the passenger side wheel arch through one of the grommets. Far better solution than putting more holes in the car.
    Last edited: Dec 15, 2013
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  7. Blue_Thunder
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    Blue_Thunder Active Member

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    [Dec 16, 2013]
    Can it not be routed through the box where the pollen filter is? I had thought that the bulkhead had the same 'holes' on both sides so that Audi could get away with producing a single shell for the LHD and RHD markets, ie: where our pollen filter lives is where a LHD car's ECU is.
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