1998 - Vw alarm wiring help needed!!!

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  1. 1998 - Vw alarm wiring help needed!!! 
    #1
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    ok, I know this isnt the right forum for this but hey, its a perk of the job

    I badly need some help with this alarm wiring.

    its for a 1998 Vw T4 van

    The alarm diagram is here.

    http://www.bimmerforums.co.uk/new1b.jpg

    and an alarm sheet I found for the VW t4 wiring


    Constant 12V+ Red Ignition Switch Harness
    Starter Red/Black Ignition Switch Harness
    Ignition Black Ignition Switch Harness
    Accessory Yellow Ignition Switch Harness
    Tach Green Coil
    Brake Switch Red/Black Brake Switch
    Trunk Pin Brown/White (-) Switch or Light
    Parking Lights Gray/Black L Gray/Red R at Light Switch
    Head Lamp White (+) Light Switch
    Hood Pin n/a
    Factory Disarm n/a
    Door Trigger Brown/White (-) Pin Switch
    Door Lock Yellow (+) Driver's Kick Panel 4 Pin Connector
    Door Unlock White (+)
    Horn Wire Brown/Black (-) Steering Column
    Windows Up n/a
    Windows Down n/a

    I have got the door triggers, led etc sorted but I am trying to work out how the immob bit should be wired


    I could do with some assistance from anyone who can help!
    ive got it wired in apart from the ignition and relay bit.
    Basically,

    http://www.bimmerforums.co.uk/new1b.jpg

    im referring to the top 6 pin plug here mainly
    There is also a seperate relay that has 2 green wires, a white and a yellow coming off it (as seen on diagram)

    From the main connector plug, it appears that white goes to ignition +, and yellow goes to pin 86 on the relay.

    but whats slightly confusing me is why there is two greens on the relay, and also a seperate white and yellow wire?
    Can someone who is familiar with alarms put me wise on this please?


    This is what a vw alarm type told me
    Cut the wire going to the coil +. Connect the end from the coil to Green 30. Connect the other end to Green 87A and Yellow 86. White 85 goes to yellow on main plug. White from main plug goes to Yellow / Black in loom from ign switch. On this type of alarm it is frowned upon to immobilise the ign circuit. Safer to immobilise the starter circuit. This is the Red/Black wire in the loom from the ign switch.
    which I translated to


    So...I cut the coil + (black) and route the side from the coil to Green 30
    Then I route the ignition switch side to green 87a AND yellow 86?

    and what happens with the yellow wire from the main connector please?
    But I sont want to start it and get it wrong so if anyone can tell me whats what it would be much appreciated
     
     

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    Dr of BMW gildersol's Avatar
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    Ok Boostist, the alarm diagram shows how to wire it up to disable the ignition circuit to the coil. Do you now want to wire it to disable the circuit to the starter instead?
     
     

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    Quote Originally Posted by gildersol View Post
    Ok Boostist, the alarm diagram shows how to wire it up to disable the ignition circuit to the coil. Do you now want to wire it to disable the circuit to the starter instead?
    Well, the alarm 'guru' guy said it was preferable to disable the starter and not ignition on this vehicle?

    apparently its frowned on!!!

    But I will do it either way,

    coil or starter!!

    Just need advice
     
     

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    Cut the wire going to the coil +ve.
    Connect the end of the cut wire still attached to the coil +ve to the green wire on the relay (pin 30)
    Connect the other end of the cut wire to the green wire (pin 87A) and the yellow wire (pin 86) on the relay.
    connect the yellow wire from the connector plug to the white wire on the relay (pin 85).
    The white wire looks to be a feed from the ignition switch so connect to the accessory wire on the ignition switch.

    If you were to disable the starter you would cut the starter wire instead of the coil wire, then connect both ends to either of the green wires on the relay.
    I don't know if the wire on your van (black/red mentioned above) goes straight to the starter solenoid or through another relay. If it goes straight to the solenoid, the relay you're using would need to have a contact rating of about 15A I think. The one you have may not be up to that if it's just intended for the coil supply.
     
     

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    Boostist (10-04-2010)

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    Quote Originally Posted by gildersol View Post
    Cut the wire going to the coil +ve.
    Connect the end of the cut wire still attached to the coil +ve to the green wire on the relay (pin 30)
    Connect the other end of the cut wire to the green wire (pin 87A) and the yellow wire (pin 86) on the relay.
    connect the yellow wire from the connector plug to the white wire on the relay (pin 85).
    The white wire looks to be a feed from the ignition switch so connect to the accessory wire on the ignition switch.

    If you were to disable the starter you would cut the starter wire instead of the coil wire, then connect both ends to either of the green wires on the relay.
    I don't know if the wire on your van (black/red mentioned above) goes straight to the starter solenoid or through another relay. If it goes straight to the solenoid, the relay you're using would need to have a contact rating of about 15A I think. The one you have may not be up to that if it's just intended for the coil supply.

    You are a legend mate!!!!
    and it actually starts to make sense when described succinctly like that

    Will check if the Black/red does go straight to the starter solenoid.. but if it doesnt have 15a rating I will just go to the coil as per the instructions

    Im going to do this lot tomorrow so please keep an eye on this thread in case I get stuck!!!!!!
     
     

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    You should have posted this in completely the wrong forum boss.... just to see if one of the mods dare move it


    Women are like fairground rides..... fu*king mental!
     
     

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    Quote Originally Posted by mess View Post
    You should have posted this in completely the wrong forum boss.... just to see if one of the mods dare move it


    I didnt want to risk losing the thread mate
     
     

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    mess (11-04-2010)

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    The relay says 40amp on it, so here goes !
     
     

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    How did you get on?
     
     

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    Quote Originally Posted by gildersol View Post
    How did you get on?
    Blimming women
    I only got to do an hour on it today!! Almost there though!! Wil be test time tomorrow so will post back

    I was going to check, will I need to use a relay if I want to wire the siren to a horn as well?
    pink wire from the main unit plug goes to the siren , any ideas what I need to do or is it simplly as case of wiring the pink wire into the +ve's of my horns as well?

    These are the horns Ive got coming, they dont need a relay in std use. So im guessing the alarm control wont affect this?

    http://cgi.ebay.co.uk/TWIN-AIR-SNAIL...item19ba577b68

    thanks mate
    Last edited by Boostist; 12-04-2010 at 02:07.
     
     

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