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Xj550 maxim neutral light

Discussion in 'XJ Technical Chat' started by Jenko, Mar 9, 2020.

  1. Jenko

    Jenko New Member

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    Hi all. New uk member here. Got a 550 maxim looking very tidy.
    I have an issue with the neutral light on all the time. Checked all switches ok but still on. Any ideas appreciated.
     
    Jenko, Mar 9, 2020
    #1
  2. Toomanybikes

    Toomanybikes Well-Known Member

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    Sounds like the sending unit is stuck
     
    Toomanybikes, Mar 9, 2020
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  3. Franz

    Franz Well-Known Member

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    The pin on my neutral switch was seized.
     
    Franz, Mar 9, 2020
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  4. lostboy

    lostboy Well-Known Member

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    It is very easy to pinch the neutral wire under the chain cover. Been there done that.
     
    lostboy, Mar 9, 2020
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  5. Jenko

    Jenko New Member

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    Hi thanks. Ive disconnected the neutral switch. Clutch switch and side stand switch. Checked cables and still it shines bright!! Mmmm.
     
    Jenko, Mar 9, 2020
    #5
  6. XJ550H

    XJ550H Well-Known Member Premium Member

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    the s/b sky blue wire runs to neutral switch and to diode block as well as the starter circuit cut off relay then to clutch safety switch.

    bad clutch safety switch could be a problem or the sb wire running up back of motor could be shorting

    bad diode block

    check to make sure you have correct relay plugged in to the connector for the starter circuit cut off relay.
     
    XJ550H, Mar 9, 2020
    #6
  7. Jenko

    Jenko New Member

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    Many thanks. Its the diode block. Managed to get apart and replace diode and its now going off. Yippee now ready to roll. Cheers.
     
    Jenko, Mar 10, 2020
    #7
  8. VinceD67

    VinceD67 New Member

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    Hi do you have a picture of both sides of the connectors for the Diode block? I have an 81-83 XJ550 and only 5 wires. All the ones I’ve seen posted have 6-8 wires

    much appreciated
     
    VinceD67, Oct 25, 2020
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  9. XJ550H

    XJ550H Well-Known Member Premium Member

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    82 diode block 650.PNG

    this is a 82 xj 650 doide block same as a 550
    4U8-81980-M0-00
    resistor and diode are oil light
    then a diode for sidestand relay
    and a diode for headlight


    650G diode.PNG this is a 80 xj 650 diode block
    no sidestand set up
     
    XJ550H, Oct 25, 2020
    #9

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