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82 xj650 running off alternator instead of battery

Discussion in 'XJ Technical Chat' started by Bburgess, May 31, 2017.

  1. Bburgess

    Bburgess New Member

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    I used minimal wiring diagram to a t! My bike still runs with out the battery connected. Which I know I'm not suppose to do this, positive side of terminal is broke, so I hold the solenoid to it, when I let go of it, it used to kill the bike, now it continues running. Any ideas as to what could be wrong?
     
    Bburgess, May 31, 2017
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  2. XJ550H

    XJ550H Well-Known Member Premium Member

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    bike will run off of the alternator this is normal but do not run the bike with out the battery connected.

    you can get a longer battery cable or buy the metal connector that goes from battery termanial to battery cable
     
    XJ550H, May 31, 2017
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    k-moe likes this.
  3. Bburgess

    Bburgess New Member

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    OK, I was curious, because before I rewired it, it would die if it disconnected. Thanks for the help
     
    Bburgess, May 31, 2017
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    k-moe likes this.
  4. Rooster53

    Rooster53 Well-Known Member Premium Member

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    You fixed it!

    If it is wired per the minimal diagram it should be fine. Get a replacement positive cable assembly and get it properly connected before you blow the Rect/Reg by inadvertently disconnecting the battery. Start the bike and check the charging voltage for 14.5 +/-.3 at 2K RPM and up.
     
    Rooster53, May 31, 2017
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    k-moe likes this.

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