Sky InsuranceChris Nott
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  1. #1
    Reverse Gear

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    Wiring help please...

    Hey guys, got a 2000 A3 1.8T Quattro.

    The alarm doest work, neither does the remote central locking, so...

    Ive got an aftermarket alarm to fit...

    Ive fit a quite a few before but i dont have the wiring diagram for the A3 so could do with some help.

    I need wiring diagrams for; central locking, electric windows, indicators, ignition..

    Any help would be great.

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  3. #2
    "Stick a V8 in it!"

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    The stock alarm and RCL is controlled by the locking pump in the boot. the locks are all pneumatic so an aftermarket system isnt really going to work if the pumps dead.

    The windows and various other things like interior lighting also wont work properly without the stock locking pump...

    Your far better off just properly fixing whats broken. You can buy replacement pumps on ebay for around £50.

    2000 A4 1.8T Sport Quattro Avant, Berry Pearl
    2000 A4 1.8T Sport Quattro Saloon, Black-ish
    1997 S4 - PPC £999 Challenge Track Car Build
    TD5 Land Rover Defender build


  4. #3
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    the central locking works, just not from the remote..

    everything is fine with the alarm just the siren doesnt work, id rather fit an after market alarm as the standard one is useless even if working.

  5. #4
    4th Gear

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    Sounds stupid but have you put a new battery in the remote? That fixed the problem for me when mine didn't work
    Badger 5 tuned 340 bhp / 350 lbft sleeper

  6. #5
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    yeah tried the battery..
    id rather fit the new alarm because the standard one is useless and is no where near loud enough

  7. #6
    "Stick a V8 in it!"

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    Move the standard siern to under the bonnet and it'll be much louder. Get one off ebay from a newer Audi as they revised the design.

    Remote key probably just needs matched with the pump again.

    2000 A4 1.8T Sport Quattro Avant, Berry Pearl
    2000 A4 1.8T Sport Quattro Saloon, Black-ish
    1997 S4 - PPC £999 Challenge Track Car Build
    TD5 Land Rover Defender build


  8. #7
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    I just did this - Will dig out the wiring when this wet stuff stops falling out the sky
    1998 Audi A3 1.6 Sport


  9. #8
    Reverse Gear

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    cheers mate, much appreciated

  10. #9
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    Ok so for the remote central locking - Assuming the pumps are the same you need
    Audi Side
    There are 3 plugs that go to the central locking Pump.

    Power Plug = Self explanatory
    Black Plug = Has the Close signal wire
    Brown Plug = Has the Open Signal wire

    Power plug (haven't documented the colour, but has unique cable colours to identify)

    12v+ = RED/BLACK 10A general fused supply - your unit has a de-rated fuse
    12v- = Brown

    Black Plug Close
    Red/Brown cable - note* watch out there is a Brown/red cable also on the same plug!!!!!

    Brown Plug Open
    Grey cable

    ^^ Praise goes to A3steve^^ - I used this with my Hawk Kit and it all works fine - I used ScothLocks to connect it up, The pump can be a bit of a prick to get out, also make sure you put the sound proofing back around it as it is one noisy bit of kit

    Hope this helps
    1998 Audi A3 1.6 Sport


  11. #10
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    Cheers mate, any chance u can remember if its triggered by a live or earth on the lock and unlock? Got all the alarm wired apart from central locking

  12. #11
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    Negative switched off the top of my head - will pull out some paperwork and double check though
    1998 Audi A3 1.6 Sport


  13. #12
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    Cheers mate

 

 

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