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Thread: need urgent help/advice!! with my vn

  1. #1
    Ride
    vn executive 5spd

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    Jun 2010
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    3

    Default need urgent help/advice!! with my vn

    hey all i hav a 91 vn series 2 auto and i also hav an 88 vn series 1 manual, the series 1 is defected and the series 2 has a blown motor, iv just pulled the series 2 motor and auto out and put the series 1 motor and manul in the series 2 all went well with the conversion except it wont start now atm im running the series 2 wiring loom and all seems to be ok its just it wont start pretty sure it has no spark? can u give me any advice on wat to do??? all comments appreciated
    Thanks heaps
    Jason

  2. #2
    Ride
    VY Series 2 25th Anniversary in Phantom Mica

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    Dec 2009
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    It's cranking but no start? The 2 things you need are fuel and a spark so your going to have to check if there is a spark first of all. You can just pull off a few spark plug leads and crank the motor if there is a spark it will jump from the HT terminals on the coil packs down to the screw heads holding the packs in place. If no spark check your wiring. If ther eis a spark check that you have fuel start with the fuel pump and then you may have to check for an injector pulse.
    How much of the later wiring loom did you use and are you using the same ECU?

  3. #3
    Warranty Void's Avatar
    Warranty Void is offline Take it apart? Me? No!
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    VP Berlina LX V8

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    When cranking, accessories get shut off. Make sure you haven't connected fuel pump or ignition power to a source that shuts off when you crank. I know someone who did this to the fuel pump and it drove him nuts for 3 days, checking & rechecking. I think I narrowly avoided getting punched when I guessed this first go after he'd fixed it.
    Warranty Void

  4. #4
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    vn executive 5spd

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    Jun 2010
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    i hav used the series 2 loom on the series 1 motor, i hav also used the series 2 coil pack on the series 1 motor will tht make a difference?

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