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Ignition Switch Question

Discussion in 'XJ Technical Chat' started by Massimo33, Aug 8, 2011.

  1. Massimo33

    Massimo33 Member

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    Hi All,

    I just broke down my ignition switch so that I could get the lock mechanism working again, boy o boy was it gunked up with dirt and sand. Got everything cleaned out and the lock working again, PO didn't think it had one. But when I took the two small screws that were holding the top plastic part onto the metal base and broke it apart, some very dry, crumbly material fell out from underneath the contact pad. Anyone know what it is and do i need to replace whatever said item is?

    Thanks!
     
    Massimo33, Aug 8, 2011
    #1
  2. Alive

    Alive Active Member

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    Well if the black cover piece is broken then you're basically looking ofr a new ignition because that holds the lot together... Crumbly bit... Not sure because from memory the top of the contacts is a rectangular piece of plastic holding the contacts and the other side of the contacts is a round plate with the contacts embedded in it.... Trying to remember whats above and underneath the contact holders but I'm drawing a blank sorry
     
    Alive, Aug 8, 2011
    #2
  3. chacal

    chacal Moderator Moderator Supporting Vendor Premium Member

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    Well, beneath the contact plate (black plastic plate with 5 wires soldered to it) is only the steering lock cam, and on your model switch, it's made of metal.

    ABOVE (towards the lock cylinder) the contact plate is a rectangular, white plastic contact carrier block....it has two spring-loaded copper contacts embedded within it.

    The gunk that fell out might be a bug habitat?
     
    chacal, Aug 8, 2011
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  4. Massimo33

    Massimo33 Member

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    All the pieces and plates are in good working order, some of the plates were dirty, but nothing was broken, it was when the bottom contact plate moved there was a ring of material in the very bottom, on top of the metal locking mechanism and beneath the contact plate. Never got good look at it, as i was watching other parts to make sure they didn't run off, what ever it was it broke apart when it hit the floor, so maybe the bug material is the most plausible. Just wanted to make sure there was not supposed to be insulation down there for some reason.
     
    Massimo33, Aug 9, 2011
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  5. schmuckaholic

    schmuckaholic Well-Known Member

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    No insulation AFAIK. Chacal and I are working on a walkthrough for the ignition switch (as time permits), using the 650J switch as a model. I'm told the top half of the 650 and 750 switches are the same, but the bottom half differs on the 750 somewhat.

    Another tidbit for the 750Max addendum.
     
    schmuckaholic, Aug 9, 2011
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