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Thread: Manual fan circuit?

  1. #1
    Join Date
    30th August 2009 - 20:21
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    Hilda the NC30, Shitass FZR250
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    Manual fan circuit?

    Hi

    When it comes to auto electrics im a bit retarded and I dont know how to set up a simple circuit.

    Anyway, the thermo switch on my fzr is dead and the fan doesnt get switched on. Im going to bypass the switch and use a toggle switch instead.

    Do I connect the negative to the battery or to chassis earth?

    Anything else I need to know?

  2. #2
    Join Date
    13th April 2007 - 18:26
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    06 scrambler,xrl,
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    Toggle switch between the two sender wires should do the trick.
    I'd draw a pic, but some bugga nicked my crayons:-)

  3. #3
    Join Date
    13th November 2006 - 22:22
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    Suzuki Marauder VZ800
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    Quote Originally Posted by turboduck View Post
    Anyway, the thermo switch on my fzr is dead and the fan doesnt get switched on. Im going to bypass the switch and use a toggle switch instead.

    Do I connect the negative to the battery or to chassis earth?

    Anything else I need to know?

    Well, the thermo switch is a switch, and the toggle switch is a switch - so which one has a negative again?

    I did the same thing on my bike and I just used the toggle switch to short out the thermo switch...
    Redefining slow since 2006...

  4. #4
    Join Date
    30th March 2004 - 11:00
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    The thermo switch usually shorts to earth (completes the ground circuit for the fan). You'll need a switch of a few amps though. I bought a 15A waterproof switch from Jaycar for my VFR, and mounted it on the left switch block so I could manually operate the fan when stopped in traffic.
    ... and that's what I think.

    Or summat.


    Or maybe not...

    Dunno really....


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