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Running power to the boot? (B6 cab)

wywywywy May 19, 2010

  1. wywywywy

    wywywywy Member

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    Hi all,

    Okay, this is a simple question - what is the best route to run a 8awg wire to the boot? I heard (but have not seen) that there is a spare grommet next to the battery, but as far as I know the cab has a different bulkhead to the saloon/avant. And once the wire is inside the car, is there enough space in the side sills to tuck a 8awg wire in?

    Another related question, is there anything I need to pay attention to when I disconnect the battery? You know, some cars need the key in position 2 otherwise alarm goes mental, some cars need specific buttons pressing otherwise airbag light comes on, some stereo (mine is RNS-E) need factory code, etc...

    Car is A4 B6 cab, headunit is RNS-E.

    Thanks.
     
  2. AndyMac

    AndyMac Moderator Moderator

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    Best route is through the ECU cover, there's even a spare grommet on the main rubber boot (there is on the B6 saloon/avant, can't believe it would be that different on a cabrio, but knowing Audi I guess it's likely). With the top of the ECU prised up you can drop the cable straight into the drivers footwell. It's better to release the door sill trim to run it to the boot, it's just metal spring clips, but you need to remove the side panel in the footwell first as it's all linked together (one screw and a metal clip). Why do you need to disconnect the battery?
     
  3. wywywywy

    wywywywy Member

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    Thanks! Guessing from what you said, the ECU is close to the battery, probably under the wiper cover, right?

    And don't I need to disconnect the +ve temporarily to connect the new +ve wire?
    Don't know what the Audi battery connector looks like, but on my old cars I had to do that.
    Basically remove the whole connector block, attach new wire, put block back on.

    Again, many thanks!
     
  4. AndyMac

    AndyMac Moderator Moderator

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    No just undo the nut slide on the ring terminal and do nut back up
     
  5. wywywywy

    wywywywy Member

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    Piece of cake then! Thanks a lot.
     
  6. 1wheelonly

    1wheelonly cabriolet VCDS Map User

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    hold your horses, piece of cake maybe at the front but the cabs have a very good rear bulkhead and your gonna have fun getting cables to the boot.
     
  7. wywywywy

    wywywywy Member

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    Had a quick look today after washing the car.

    I can see why it is not necessary to disconnect the battery when attaching a new wire now, after looking at the connector.

    The ECU is the black box on the driver side next to the brake reservoir isn't it?
    I couldn't get to one of the screws so I wasn't able to undo the cover to look inside :(

    As for the rear, in that case what is the best way to do so?

    Thanks!
     
  8. 1wheelonly

    1wheelonly cabriolet VCDS Map User

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    i had to go from the side quater panel, into the roof compartment then from there to the boot, dont attempt to remove all the rear to try the bulkhead, theres nothing.
     
  9. wywywywy

    wywywywy Member

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    Can you not go under the seat?
     
  10. wywywywy

    wywywywy Member

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    Tried to remove the ECU cover, but the wiper arm wouldn't move at all.
    However I found a spare grommet between the battery and the pollen filter :D
    So happy days. Just need to get myself a fishing rod now.

    Tapped RCA and remote wires to the RNS-E, but yes the rear is a bitch.
    Still trying to find out how to remove the rear side panels!
     

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