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Thread: Help Needed! Smiths Roof Pump Wiring

  1. #21
    Euro-Nova Founder bobbybrown's Avatar
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    I've got a spare relay in one of the cupboards here that I've modified. When I get a couple of minutes I'll dig it out and get some photos of the inside.
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  2. #22
    Senior Member Phill's Avatar
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    That would be great - thanks
    "The most beautiful kit car in the world - Motor"

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  3. #23
    ***Euro-Nova Supporter***
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    Quote Originally Posted by Phill View Post
    Thanks Lauren - that helps a lot. I found the previous thread where this is explained but the photos are gone .

    http://www.euro-nova.co.uk/vb/showth...th-canopy-pump
    I just looked in my 'saved from website' archive, and I think these may be the missing pics?
    Hopefully someone can confirm this is correct? `¬)
    Attached Images Attached Images

  4. #24
    Euro-Nova Founder bobbybrown's Avatar
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    They are correct. Chop the end off that arm and it's all good.
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  5. #25
    ***Euro-Nova Supporter*** Spacenut's Avatar
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    Yes, those are the pictures I was thinking of - well saved!
    only Pythagoras can save me now!

  6. #26
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    Thanks Lauren,
    Just catching up on the thread from the weekend. This is great info!
    So I'm using the old VW headlamp relay as seen from earlier in the thread , I opened it up today and looks like it is modified as seen where the screwdriver is pointing.
    This wasn't really a surprise as it had previously worked before. Eventhough I did pop a 30A fuse on first attempt last week.
    URL=http://s212.photobucket.com/user/dmcdec/media/Nova%20Restoration%20Pictures/VWrelay_zpsjcbocpwi.png.html][/URL]
    Only concern I had was the piece of coil wire hanging out loose? Might have touched off the case. I wrapped it out of the way
    Anyway when I put it all back together this evening and placed back into the car, instead of the usual "click" I was getting at the relay, I am now hearing a very slight "click" inside the pump.
    Also thanks MartinB for finding those pics, Think I'll invest in another relay
    And thanks again for all the help with this.
    Dec

  7. #27
    The slight click sound in the pump is likely one of the small opening valves operating as power is applied which is a good sign, even better if you hear that click after energizing your wiper relay twice as that means both up and down pump valves are moving and not jammed. The question then is whether the pump motor itself has an issue.
    Last edited by islandman; 06-06-2017 at 07:27 AM.

  8. #28
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    Yeah think I'll take the pump back out again tomorrow and open it up.

  9. #29
    Senior Member Phill's Avatar
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    Quote Originally Posted by dmcdec View Post
    Yeah think I'll take the pump back out again tomorrow and open it up.
    Just apply power direct to the pump using wires straight off the battery to see if the motor spins. That'll tell you whether the fault lies with the pump or the circuit
    "The most beautiful kit car in the world - Motor"

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  10. #30
    Senior Member MicksRedNova's Avatar
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    Quote Originally Posted by Phill View Post
    Just apply power direct to the pump using wires straight off the battery to see if the motor spins. That'll tell you whether the fault lies with the pump or the circuit
    I agree with Phill, just make sure you cover the ports with a cloth as the fluid can jet a long way if it bursts into life.
    I assume you have the 'Original' noisy pump, which has 6 wires. 2 (thick ones) that provide power to the pump motor and 2 pairs of thinner ones which control the direction solenoids. Direct connection of the 2 thick ones to a good 12 volt battery with a set of jump leads should prove if the motor is working. Assuming it does then worry about the solenoid ones.

    You can probably check with it in-situ if you can get to the wiring near the pump.

    Mick
    Club Nova Member (F-036)

    MicksRedNova2 may take as long as the original!!

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