Electrical Disaster

Discussion in 'Technical Help' started by CraigFowler, Feb 22, 2023.

  1. CraigFowler

    CraigFowler New Member

    Feb 21, 2023
    7
    1
    Phoenix Az
    #1 CraigFowler, Feb 22, 2023
    I have a 1200 Thruxton (2020). My son put the new battery in backwards. Got nothing when turning the key. Then decided to hook up his jumper cables to the battery. Got some sparks and now nothing. Wondering if there is an in line fuse or something to protect the system. Checked the few fuses, not sure what to do next. Help!!!
     
  2. brown mouse

    brown mouse Elite Member

    Sep 15, 2018
    2,288
    943
    East Midlands, UK
    #2 brown mouse, Feb 22, 2023
    There's a main fuse which will be separate to the box of fuses for individual circuits but I don't know where it is on you bike. Thing is, for any of the fuses to go it with have required many Amps of current to flow, and if that is happening the wrong way through the circuit things could be very bad.

    Edit: It's possible for things like the ECU, ABS unit, and instruments, to have a protection diode inside them which will short out any reverse polariy supply and blow the fuse for that circuit. You should check every fuse in the system.
     
  3. Pedro1340

    Pedro1340 Senior Member

    Jan 31, 2018
    584
    143
    .Glasgow
    #3 Pedro1340, Feb 22, 2023
    Thats what I always do, blame the son!!! Seriously, I hope that it's only fuses that have blown, best of luck.
     
  4. timboo

    timboo Senior Member

    Oct 17, 2021
    306
    113
    Cambridgeshire
    #4 timboo, Feb 22, 2023
    Have you managed to find the main fuse?
    The attached image is from my Haynes manual

    C33F053B-2272-46DD-9717-CB7DAC69D0DA.jpeg
     
  5. timboo

    timboo Senior Member

    Oct 17, 2021
    306
    113
    Cambridgeshire
    #5 timboo, Feb 22, 2023
    Pics of main fuse

    30EF7EF7-990C-48D4-8799-C31870E28128.jpeg

    AB34440C-9028-4F7D-81CB-7D41B97F34BF.jpeg
     
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  6. CraigFowler

    CraigFowler New Member

    Feb 21, 2023
    7
    1
    Phoenix Az
    #6 CraigFowler, Feb 23, 2023
    Thanks for the advice, I will look into that. Keeping my fingers crossed.
     
  7. CraigFowler

    CraigFowler New Member

    Feb 21, 2023
    7
    1
    Phoenix Az
    #7 CraigFowler, Mar 1, 2023
    !!! Yes that was it. Thanks for the help… Everything else is working fine.
    :cool:
     
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