3G mk1 alarm wiring diagram?

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  1. 3G mk1 alarm wiring diagram? 
    #1
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    carbers911's Car Details
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    I havent labelled my topic with my car details as I believe this alarm came in a few of the early 90s BMs
    This is a bit of an extension of my OBC installation, Im trying to get the whole lot working including the code function but at the moment it definitely isnt working with the wiring given in the 'how to' guide.
    Ive seen many diagrams for the 'alpine' alarm system but that bears no resemblance to the wiring on my 3G box....can anyone shed any light on this?

    Cheers
    Andy
     
     

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    Have you read this...

    http://www.bimmerforums.co.uk/forum/...mputer-t25509/

    X1071 (White OBC Plug) Pin 1. Black/Green wire to pin 15 of X1659 (purple plug) behind the glove box. You need to fit this if you want to use the OBC “Code” feature to immobilise your car.
     
     

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    carbers911 (30-04-2010)

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    Nice idea but sadly I dont have a purple plug!
    All I have behind the glovebox is the 3G module with an 8-pin connector and a 24-pin one, the wires then head off in various directions but none to any connector blocks! The only other thing in there is the comfort relay.
    Ive seen some pinouts but they are for the DWA module and the multiplugs just dont match up. There must be an english ETM out there somewhere!
    That is a good link you provided, I havent looked at any of the 7 to 18 upgrades, your wiring info looks a little different to what I have atm but Ive not had a chance to re-check any of it today.
     
     

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    What year is your E36? Earlier cars with EWS had a yellow plug.
     
     

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    Its a late '92.
    The main plug on the back of my 3G is a kind of translucent white.
    There is a possible spare pin at what could be 15, Im only looking at the pics I took earlier and wont get to check that out til the morning.
    I came across an intriguing bit of history that may help this situation, the alarm seems to be a retrofit job, a BWM diagnosis scan showed F11 (body electrics) and F (c/l) as having issues at the beginning of '98, apparently due to being interrupted for the alarm installation.
    You reckon this would explain my absence of expected plugs?
     
     

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    You are getting confused. The purple or yellow plug you need to connect to isn't on the 3G module, it's on the EWS module behind the glovebox.
     
     

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    The confusion mainly arises because there simply are no other modules behind the glovebox!
    As I said earlier all there is is the 3G box and the comfort relay, nothing else at all.
    Ive tried tracing the wires out of the box but none of them lead to anything resembling an EWS module.
    Oh, and as for this being a later addition, I dont think it was....Ive just come across a warranty sticker for Oct92.
    This is very curious
     
     

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    Sorry, but I thought you had EWS on your car. If you don't then the OBC Code feature won't work anyway.

    What kind of key do you have? Does it look like one of these?

    http://www.bimmerforums.co.uk/forum/...795/page3.html
     
     

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    Haha I found out why I cant find any immobilising equipment....there isnt any!
    I armed the system with the fob and about a minute later proceeded to fire up the engine and drive off, thus stealing my own car. Good times.
    I just presumed it would have an immobiliser which is why I was happy to go digging for it in all sorts of random interior locations.
    Ok so next question, can I implant EWS?
    It would be great if it was unnecessary to include the ring transmitter but looking at how it works I fear its an integral part of the system.
    I know EWS is a bit of a delicate subject in terms of how it functions but hopefully as Im trying to fit it it will make things a little different!
    Thanks for your help thus far.
     
     

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    To fit EWS you'll need to change the DME and pretty much most of the loom to include the various modules. It's a full dash out & re-wiring job, not impossible though! Putting a break circuit into the low-tension side of the ignition would be almost as effective.
     
     

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