Battery Level Sensor

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  • GaryS
    XSive
    • Oct 2009
    • 12

    #1

    Battery Level Sensor

    On my 1981 750 Seca there is a battery level sensor or I should say there was a sensor. It's gone and the wiring for the sensor is present. This causes the battery fault to stay lit. Is there a simple way to eliminate this warning lite? Gary
  • GaryS
    XSive
    • Oct 2009
    • 12

    #2
    Sensor Trick

    I found the instructions to trick the sensor, but the related photos don't show up. Is everyone else having the same problem?

    Comment

    • XJOK2PLAY
      XS-XJ Guru
      • Jan 2009
      • 2099
      • Skiatook, Ok.

      #3
      Yeah, I've got one on my 1100 Maxim. Dumbest thing Yamaha ever put on a bike, IMHO. My light's on more than it's off. Just be glad yours doesn't have a flashing red "warning" light like mine does to go along w/ it! Talk about a PITA!

      You can put a resistor in the wire to trick it.
      Can't remember what value though.

      What really sucks is when you have one, & it still goes off...
      '82 XJ1100J Maxim (has been sold.)

      '79 F "Time Machine"... oh yeah, Baby.... (Sold back to Maximan)

      2011 Kaw Concours 14 ABS

      In the warden's words from Cool Hand Luke;
      "What we have here is a failure to communicate."

      Comment

      • rpgoerlich
        XSive Maximus
        • Dec 2007
        • 643
        • Katy, Tx

        #4
        They are still available. Every now and then you can find one on Ebay.

        But you can supply 2+v switched power to that circuit to turn off the warning lamp.

        Chacal over on the XJbikes forum has them, search for battery sensor here: Battery Sensor

        He has a good write up on them.
        Richard

        Comment

        • barberad
          XStremely XSive
          • Sep 2007
          • 416
          • the 45th state

          #5
          Jerry, has a post about eliminating this on the XJ1100's. Sould probably work for you as well.
          Current Rides: '82 XJ w/Jardine 4-1's, GIVI flyscreen, '97 Triumph Trophy 1200
          Former Rides: '71 CB350, '78 400 Hawk, '75 CB550/4;
          while in Japan: '86 KLR250, '86 VT250Z, '86 XL600R, '82 CB450(Hawk II), '96 750 Nighthawk, '96 BMW F650

          Comment

          • GaryS
            XSive
            • Oct 2009
            • 12

            #6
            Battery Sensor

            Did the mod to eliminate the sensor today. Tweaked it a bit works as advertised. Great!

            Comment

            • daveyg
              XStremely XSive
              • Feb 2009
              • 411
              • Boise, ID

              #7
              Dang! I wish I'd seen this earlier. Would've sent you my sensor. I got a sensor with the batt I bought, but don't need it. Would've given it to you for the cost of an envelope to mail it in.
              BARE BONES CHOPPERS: If it don't make it go faster, you don't need it!
              80 XS1100SG(cafe in progress *slowly)

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