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  1. #1
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    Question Ignition Switch Fault?

    My Passat refused to start... the engine would turn nice and strong but refused to fire. Checked for a spark and found that I got a brief one as I released the ignition switch - but as the engine hadn't started it did not continue.

    I've found that if I leave the ignition switch in the on position (but do not move it to the start position) and then put a live jumper to the starter motor, the engine turns and fires instantly.

    I'm thinking that when the ignition switch is in the start postion, it is turning the starter motor but is not supplying the coil... when the switch is in the "on" postion, the coil gets power.

    Is there any reason other than a dickie ignition switch? No fuse has blown - but could this be a relay problem?

    The car has been starting like a dream, right on the button, for years. No signs of a problem, it just stopped. To me this seems strange for a switch... normally they show some signs of fault before they go....

    Any ideas?

    HoG

  2. #2
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    Re: Ignition Switch Fault?

    Yes these ignition switches are prone to this problem, only fit a genuine VW dealer supplied switch as I find pattern replacements are rubbish.
    Dark was that day when Diesel conceived his grim engine that begot you, vile invention, more vicious, more criminal than the camera even, metallic monstrosity, bale and bane of our culture, chief woe of our Commonweal. How dare the Law prohibit hashish and heroin yet license your use, who inflate all weak inferior egos? Their addicts only do harm to their own lives: you poison the lungs of the innocent, your din dithers the peaceful, and on choked roads hundreds must daily die by chance-medley. Nimble technicians, surely you should hang your heads in shame. Your wit works mighty wonders, has landed men on the Moon, replaced brains by computers, and can smithy a "smart" bomb. It is a crying scandal that you cannot take the time or be bothered to build us, what sanity knows we need, an odorless and noiseless staid little electric brougham.

    W.H. Auden (1907-1973), A Curse:


    www.helpforheroes.org.uk

    Keep XH558 in the air
    www.vulcantothesky.org


  3. #3
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    Re: Ignition Switch Fault?

    Thanks Crasher - there as ever!

    Can you get key matched switches (to your original) or do you have to go with what you're supplied?

  4. #4
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    Re: Ignition Switch Fault?

    The switch comes as the insert in the base of the barrel and does not affect the key. It is VAG part number 6N0 905 865 and this fits Passat type 35 and 3A from 88 to 97.
    Dark was that day when Diesel conceived his grim engine that begot you, vile invention, more vicious, more criminal than the camera even, metallic monstrosity, bale and bane of our culture, chief woe of our Commonweal. How dare the Law prohibit hashish and heroin yet license your use, who inflate all weak inferior egos? Their addicts only do harm to their own lives: you poison the lungs of the innocent, your din dithers the peaceful, and on choked roads hundreds must daily die by chance-medley. Nimble technicians, surely you should hang your heads in shame. Your wit works mighty wonders, has landed men on the Moon, replaced brains by computers, and can smithy a "smart" bomb. It is a crying scandal that you cannot take the time or be bothered to build us, what sanity knows we need, an odorless and noiseless staid little electric brougham.

    W.H. Auden (1907-1973), A Curse:


    www.helpforheroes.org.uk

    Keep XH558 in the air
    www.vulcantothesky.org


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    HorseOffaGypsy (25-07-2011)

  7. #5
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    Re: Ignition Switch Fault?

    Thanks Crasher

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    Re: Ignition Switch Fault?

    Hi,i think i`ve got problems with the switch on my passat,sometimes nothing happens when i turn the key and also at times when starting the car the clock and the trip reset with a buzzing noise,i removed the cowls and steering wheel but cant for the life of me see how to get the switch out...any help would be appreciated

  9. #7
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    Re: Ignition Switch Fault?

    You have to remove the splined adapter on the shaft with a hydraulic puller and then take off the housing and then you can change the switch. Only use a genuine VW switch or SWF if you can get one.
    Dark was that day when Diesel conceived his grim engine that begot you, vile invention, more vicious, more criminal than the camera even, metallic monstrosity, bale and bane of our culture, chief woe of our Commonweal. How dare the Law prohibit hashish and heroin yet license your use, who inflate all weak inferior egos? Their addicts only do harm to their own lives: you poison the lungs of the innocent, your din dithers the peaceful, and on choked roads hundreds must daily die by chance-medley. Nimble technicians, surely you should hang your heads in shame. Your wit works mighty wonders, has landed men on the Moon, replaced brains by computers, and can smithy a "smart" bomb. It is a crying scandal that you cannot take the time or be bothered to build us, what sanity knows we need, an odorless and noiseless staid little electric brougham.

    W.H. Auden (1907-1973), A Curse:


    www.helpforheroes.org.uk

    Keep XH558 in the air
    www.vulcantothesky.org


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    tyreman1 (28-09-2011)

  12. #8
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    Re: Ignition Switch Fault?

    I was afraid you`d say it needed a puller,i did give it a gentle couple of taps with a hammer and and punch but when it didnt move i put it all back together,job for another day i think....thanks very much for your help though

  13. #9
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    Re: Ignition Switch Fault?

    Guys, I have a B4 '96 A useful get around, dis battery, remove the multi way cable from below the ign switch, and smash the old switch out gently out of its housing, not as bad as it sounds, make sure every fragment is out. Break off the lug off the New switch, and you will be able to push it into the aluminium tumbler housing, (ign key out) from below. Push the connector back, the loom should hold it in place or put some blue-tac on the wall of the switch before inserting it,to stop it sliding out. Saves lots of hassle. Alternatively, remove steering wheel and switch gear and drill alloy tumber to remove the key tumbler, see paynes manual. you can then break the switch out from top.

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    tyreman1 (29-09-2011)

  16. #10
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    Re: Ignition Switch Fault?

    Quote Originally Posted by monzo24 View Post
    Guys, I have a B4 '96 A useful get around, dis battery, remove the multi way cable from below the ign switch, and smash the old switch out gently out of its housing, not as bad as it sounds, make sure every fragment is out. Break off the lug off the New switch, and you will be able to push it into the aluminium tumbler housing, (ign key out) from below. Push the connector back, the loom should hold it in place or put some blue-tac on the wall of the switch before inserting it,to stop it sliding out. Saves lots of hassle. Alternatively, remove steering wheel and switch gear and drill alloy tumber to remove the key tumbler, see paynes manual. you can then break the switch out from top.
    I CANNOT recommend you follow this path! Drilling is only required when removing the lock barrel, we are only talking about replacing the switch, one part of a three main component assembly.
    Dark was that day when Diesel conceived his grim engine that begot you, vile invention, more vicious, more criminal than the camera even, metallic monstrosity, bale and bane of our culture, chief woe of our Commonweal. How dare the Law prohibit hashish and heroin yet license your use, who inflate all weak inferior egos? Their addicts only do harm to their own lives: you poison the lungs of the innocent, your din dithers the peaceful, and on choked roads hundreds must daily die by chance-medley. Nimble technicians, surely you should hang your heads in shame. Your wit works mighty wonders, has landed men on the Moon, replaced brains by computers, and can smithy a "smart" bomb. It is a crying scandal that you cannot take the time or be bothered to build us, what sanity knows we need, an odorless and noiseless staid little electric brougham.

    W.H. Auden (1907-1973), A Curse:


    www.helpforheroes.org.uk

    Keep XH558 in the air
    www.vulcantothesky.org


  17. Thanks tyreman1 thanked for this post
  18. The Following User Says Thank You to Crasher For This Useful Post:

    tyreman1 (29-09-2011)

 

 

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