Sprint 900 Igniter Test Or Schematic

Discussion in 'Technical Help' started by Twiddler, Aug 29, 2020.

  1. Twiddler

    Twiddler Member

    Sep 21, 2019
    29
    13
    UK
    #1 Twiddler, Aug 29, 2020
    Hi Folks,

    Just getting close to the end of a re-build project on my 97 Sprint. and I'm getting no spark on any cylinder. I have 12v at all the coils and the pick-up coil reads the correct 530 ohms all the way up to the igniter. Does anyone know what common component failure these things suffer from or is there a schematic available anywhere for them?

    Thanks

    Twiddler

    IMG_5982.jpeg
     
  2. Callumity

    Callumity Elite Member

    Feb 25, 2017
    3,362
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    Nr Biggar
    #2 Callumity, Aug 29, 2020
    Well the pick up coil can occasionally read ok when it is u/s but the probability is that your ECU is not chopping power to the coils. Earlier Triumphs used Gill components from Lymington in Hants but I doubt you would get any change out of them on a 23 yr old item.
    I suggest finding a local tech college lecturer who might point you at a competent student with access to an electronic lab and soldering iron. He would likely appreciate the cash and challenge......
    Or a breaker?
     
  3. Twiddler

    Twiddler Member

    Sep 21, 2019
    29
    13
    UK
    #3 Twiddler, Aug 30, 2020
    Thanks for the idea, I am an electronics engineer so not really a problem to do the fault finding, however a schematic of the circuit would be a great help. maybe I will contact Gill to see if they have one.
     
    • Like Like x 1
  4. Callumity

    Callumity Elite Member

    Feb 25, 2017
    3,362
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    Nr Biggar
    #4 Callumity, Aug 30, 2020
    Thought you were brave opening the box!
     
  5. stevethegoolie

    stevethegoolie Elite Member

    Oct 16, 2014
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    East Riding of Yorkshire
    #5 stevethegoolie, Aug 30, 2020
    Saves me opening mine - although, to be fair, I've never really felt the need!:confused:
     
    • Agree Agree x 1
  6. Wire-Wheels

    Wire-Wheels Elite Member

    Apr 26, 2019
    2,515
    800
    California - USA
    #6 Wire-Wheels, Aug 31, 2020
    I would be more inclined to check the air gap on the reluctor wheel as well as the plug connections to the pickup. ...J.D.
     
    • Like Like x 1
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