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xlr port negative pin

Discussion in 'Power Electronics' started by moriah, Oct 20, 2021.

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  1. moriah

    moriah

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    Oct 20, 2021
    I have a mobility scooter with a 3 pin XLR port. The manufacturer didn’t connect a wire to the negative pin, a.k.a. pin 3. Yet the batteries charge without issue and the scooter runs. Can someone explain?
     
  2. Bluejets

    Bluejets

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    Oct 5, 2014
    The 3 pin unit would be multi purpose and they've used just 2 as that's really all that is required for a circuit.
     
  3. moriah

    moriah

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    Oct 20, 2021
    Are you talking about the floating ground?
     
  4. davenn

    davenn Moderator

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    Sep 5, 2009
    photo's of the plug and socket and make and model of the scooter would be very helpful for us to help you

    It's all in the details
     
  5. moriah

    moriah

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    Oct 20, 2021
    6ECD3956-FAFA-4C37-8F90-26BA2F08DF38.jpeg
     
  6. moriah

    moriah

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    Oct 20, 2021
    The plug and socket are standard. It’s a Rascal 140 T.
     
  7. davenn

    davenn Moderator

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    Sep 5, 2009

    And how many pins are used in the plug ? only 2 ?
     
  8. Bluejets

    Bluejets

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    1,101
    Oct 5, 2014
    Nothing to see here....just standard charge socket arrangement...big all-to-do about nothing.
     
  9. moriah

    moriah

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    Oct 20, 2021
    3 pins
     
  10. davenn

    davenn Moderator

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    Sep 5, 2009

    Yup, I'm suspecting that
    I think the OP is getting confused and relating the pins on the XLR as to how they would be used in an audio situation
    This, however, is irrelevant when for use as a power plug and socket
     
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