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Wiring help please

Discussion in 'XJ Technical Chat' started by Ben Walker, May 16, 2017.

  1. Ben Walker

    Ben Walker Member

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    Hi all, i have Bought a half done project xj600 1990 ish per diversion in parts, so i never had the luxury of dismantling the bike meticulously bit by bit, i am continuing with the cafe racer style the previous owner gave up on, it has been converted from mono shock to twin shock, but thats by the by. I am putting it back together and get to the wiring, i am wanting to have the bike as minimal as possible, just headlights blinkers, horn and maybe a bulb for the Speedo , If i cut things out like the side stand switch and clutch switch etc will i have to then connect them wires to continue the circuit at the block? IMG_20170516_223019.jpg Also i have 2 wires that don't seem to go anywhere , both from the engine , one white that i think is the oil level sensor and one dark blue that is in a group that goes to the ignitor box please help and see picture thanks Ben
     
  2. XJ550H

    XJ550H Well-Known Member Premium Member

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    the blue one should go back to the neutral position sensor

    diagrams may help eQNlgxq.jpg m1csRY7.jpg



    white /green to reed switch?
     
    Last edited: May 16, 2017
  3. Ben Walker

    Ben Walker Member

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    Ahh thank you , so i could in effect do away with both these wires?
     
  4. XJ550H

    XJ550H Well-Known Member Premium Member

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    how does your vin start?

    JYA 49F
    JYA 4BR
     
  5. XJ550H

    XJ550H Well-Known Member Premium Member

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    neutral switch yes , is the wire white green ?
    I am looking at 2 different shop manuals for xj600
     
  6. Ben Walker

    Ben Walker Member

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    Just full white, the oil level sensor one,
    Vin number is 51j041321
     
  7. Ben Walker

    Ben Walker Member

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    Yes i have one for reed switch, that I'm unsure about if i need which is white/green but the other is in the photo full white with the black rubber coating with bullet connector on
     
  8. Ben Walker

    Ben Walker Member

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  9. XJ550H

    XJ550H Well-Known Member Premium Member

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    reed switch is for the auto cancell in the blinkers.

    the only white wire i find on the wiring diagram are 3 for the alternator.

    you do not need the oil sensor to run but is a nice warning system to have,
     
  10. Ben Walker

    Ben Walker Member

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    Ahh so blue nuteral, don't need.
    White I think is oil sensor don't need
    And white green reed switch for self cancelling indicators don't need
    Thank you
     
  11. XJ550H

    XJ550H Well-Known Member Premium Member

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    find the 3 white wires from the alternator befor cuttin the white wire
     
  12. Ben Walker

    Ben Walker Member

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    Yeah have found then cheers
     
  13. Ben Walker

    Ben Walker Member

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    Ok so, I have everything hooked up, ignition on, sidestand switch bypassed correctly (I think ). Clutch switch works and is pulled in. Battery is charged, solenoid has been checked and works. Starter motor has been tested with jump leads, kill switch in the correct on position fuses are all new and good.

    yet when I press the start button, nothing no click from solenoid and even when solenoid has been bypassed (screwdriver over both large terminals) the starter motor dose not engage please help!!
     
  14. Rooster53

    Rooster53 Well-Known Member Premium Member

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    Shorting the two large terminals is effectively testing the starter. Either the starter is bad, the battery is dead, or you don't have it connected properly.

    Do you get any sparks when you short the two large terminals?

    Well, this would be a different issue than above, unless the battery or battery terminal connections have a problem.
     
  15. k-moe

    k-moe Pie, Bacon, Bourbon. Moderator Premium Member

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    Apply 12 volts to the small terminals on the starter solenoid to test the solenoid itself.
    Work backwards from there.
     
    Last edited: May 19, 2017
  16. Ben Walker

    Ben Walker Member

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    Yeah I get sparks when shorting the large terminals, battery Is new and have read 12.5 volts at the solenoid when connected.
    Is there nothing else in between the solenoid and starter motor that could stop it working when the terminals are sorted?

    To test the solenoid I checked the ohms over the two small terminals and checked the workshop manual and got 3.7 which was within the correct values but will directly apply power to the small terminals just to check
     
  17. Ben Walker

    Ben Walker Member

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    So the idiot I am didn't have the starter connect correctly, duh!
    Now when I press the start button I get clicks but dose not start , I have put the battery on charge as it was reading only 11.5 v. I have tested the horn and that works fine on the button, I connected the original indicators and they work correctly, but I have some bar end ones that I have from flebay that when connected the blow the 10a fuse instantly. I put a 20a fuse in and tried them, the indicator relay clicks like mad very quickly and the indicator lights up but dose not flash ? What's going wrong here ?
    Thanks
     
  18. ecologito

    ecologito Well-Known Member

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    11.5 seems low for a charged battery.
     
  19. Ben Walker

    Ben Walker Member

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    I took it off at 11.5 and put it on charge
     
  20. Ben Walker

    Ben Walker Member

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    Battery is charged showing 12.72v , when I press the start button the solenoid clicks quickly but the starter motor dose not kick in? Help
     

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