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1975 E-start

Discussion in 'Norton Commando Motorcycles (Classic)' started by lwmcd1, Jul 28, 2019.

  1. lwmcd1

    lwmcd1

    Joined:
    May 16, 2008
    The bike starts and runs until I let go of the E-start button and then dies immediately.
    Does anyone have an idea why this happens?
     
  2. Classic Cycle Repair

    Classic Cycle Repair

    Joined:
    Apr 1, 2019
    A couple of quick thoughts come to mind.


    1. You are running original points, and you have a break in the white/blue (or white/yellow) wire)power from kill switch), so only the white/purple is supplying power from the solenoid while the starter button is depressed.

    2. You have original points (with the W/P wire still operational), and you have the kill switch off. Depending on the orientation of the wires in the headlight, this is quite possible.

    3. You have really messed up the headlight connector, and power is passing "in reverse" (as it were) ,so the W/Y wire only becomes energised when the starter is operated. Unlikely, but, again, possible.

    Somewhere to start anyhow.
     
  3. lwmcd1

    lwmcd1

    Joined:
    May 16, 2008
    Great, thanks,
    The switch cluster is pretty messed up. I'll see if I can sort it out.
    Missing parts and all.
    Well, well, that fixed it.
    Love it when a plan comes together.
    Now if I can just get the rear disk brake working I can give her back to her owner.
     
    Last edited: Jul 28, 2019
  4. lwmcd1

    lwmcd1

    Joined:
    May 16, 2008
    Well, well, that fixed it.
    Luckily I had some spare parts laying around.
    Love it when a plan comes together.
    Now if I can just get the rear disk brake working I can give her back to her owner.
     

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