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Handlebar Electrical Switches

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  • #1

    Handlebar Electrical Switches

    I want to know what is inside the Handlebar electrical switches of our motorcycles, and more specifically how does they work in rain. why there is no electrical short circuit when water enters the switches.

    the reason i am asking this is i have recently converted my bike to full DC and installed an HID. for this modification, i have installed 3 additional switches on my bike. i am worried what will happen in rain.

    help me understand how does bike switches work in rain.
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  • #2
    Query Approved.
    :)

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    • #3
      Im not sure about all bikes, but the Pulsar uses non-contact handlebar switches. They have not described what it is, but here is some info from the service manual:

      What does non-contact Handlebar switches mean?
      The control switches on both sides of the handlebar are conventional to look at, in terms of switch operations & knob position etc. But the key & distinguishing difference is the principle of functioning that means these switches do not function on the basis of physical contact for ON & OFF. These are on non-contact sensor based. This feature will have any wear and tear & hence its life would be more than the life of the bike. These are absolutely maintenance free as far as wear & tear is concerned.
      I think they are reed switches. I'm not sure but you might find them in electronics component shops. I don't know the pricing and the practicality of use for your purpose. BUT then im not sure if the handlebars have reed switches in the first place!

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      • #4
        The switches used in Pulsar are contact less, and use magnetic field for open and close function, (you can try operating the switches with a piece of magnet).

        However they are governed by the BCU are impossible to work standalone.

        But, hey other bikes do have normal switches. And frankly speaking water does enter the switches. It's not entirely sealed, but do not short circuit that easily. Normal rain water cannot conduct 9Amp of power, however they can corrode it, which do happen eventually.

        I would advise you to try spraying WD40, once in a week during monsoon, inside the switches, which I did, and the normal toggle switch never had a problem.

        There are ofcourse Water-resistant switches available in case.
        Been There, Done That; Better!

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