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Handlebar kill switch

Discussion in 'Norton P11 Motorcycles' started by pierodn, Jul 9, 2018.

  1. pierodn

    pierodn

    Joined:
    Nov 10, 2012
    i All.
    Some news about the killer switch?.
    All model or only early had?.
    Thanks.
    Piero
     
    Tags:
  2. p400

    p400 VIP MEMBER

    Joined:
    Jul 14, 2014
    lucas catalog page

    LucasCatPg13.jpg
     
  3. p400

    p400 VIP MEMBER

    Joined:
    Jul 14, 2014
    From my files, I have text as jpg.

    Killswitch.jpg
     
  4. elefantrider

    elefantrider VIP MEMBER

    Joined:
    Apr 6, 2013
    Both my '67 and '68 have the exact same kill switch.

    However, my '68 will blow a fuse when pressed, haven't figured that out yet.
     
    Last edited: Jul 9, 2018
  5. p400

    p400 VIP MEMBER

    Joined:
    Jul 14, 2014
    ebay used on sale now

    44 69 is the 44 week of 1969.....or what ever year is stamped here

    35601used1.jpg
     
  6. Triton Thrasher

    Triton Thrasher

    Joined:
    Feb 10, 2009
    If it’s coil ignition, a kill switch can work by shorting the CB side of the coil to the handlebar. Connecting to the SW side of the coil will blow a fuse whenever you press the button.
     
  7. Ron L

    Ron L VIP MEMBER

    Joined:
    Feb 27, 2004
    That is how the 35601 switch works. It sends both coils to ground when pushed. You cannot use this switch if running an electronic ignition unless you wire it to trigger a relay which opens the EI circuit.
     
  8. elefantrider

    elefantrider VIP MEMBER

    Joined:
    Apr 6, 2013
    Do you mean it is blowing because my coils are wired incorrectly? I run points.
     
  9. Ron L

    Ron L VIP MEMBER

    Joined:
    Feb 27, 2004
    Possibly. The kill button should have two wires, one each to the black/yellow and black/white wire (+ terminal) of each coil. These wires run from the points to the coils. Make certain you have the correct button. There are several similar buttons, but it should ground each wire connection to the switch case (and handlebar) when pushed.
     
  10. pierodn

    pierodn

    Joined:
    Nov 10, 2012
    Hi.
    A picture of the kill switch, please?
    Thanks.
    Piero
     
  11. mdt-son

    mdt-son

    Joined:
    Jan 19, 2012
    Piero, the switch itself is pictured above, see eBay adverts also.
    However, having a look at s/n 034080 body (or housing) for the kill switch would be far more interesting. I have never seen one offered for sale. p400, would you have a sketch of its dimensions also?

    -Knut
     
  12. Ron L

    Ron L VIP MEMBER

    Joined:
    Feb 27, 2004
    I hope this helps.
    NOS 35601 switch underside
    The two housings on the left are stamped steel. The two on the right are machined steel (P11)
    Again the two on the left are stamped (more rounded top edge) and two on the right are machined (more square)
    This switch is found on some Triumphs and according to my continuity testing performs the same as 35601. It does seem that the button on this switch is black where the 35601 is very dark brown. I don't know if this difference is real or due to age and fading.
    It should be noted I have not tried this switch on a P11.
     
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  13. mdt-son

    mdt-son

    Joined:
    Jan 19, 2012
    Hi Ron,

    thank you so much for the pictures and the valuable additional information. For those of us not being able to get our hands at a NOS or even a used kill switch housing and have to resort to fabricating one, a dimensional sketch would be highly useful. This would enable me to create a 3D model of the housing.

    -Knut
     
  14. pierodn

    pierodn

    Joined:
    Nov 10, 2012
    Hi.
    Where is fitted the kill switch?.
    Right or left side in the handlebar?.
    Thanks.
    Piero
     
  15. Ron L

    Ron L VIP MEMBER

    Joined:
    Feb 27, 2004

    Attached Files:

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