Oil Brake Light on and off.

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  • dbmb0416
    Truly XSive
    • Jun 2015
    • 128
    • Westdale Ny

    #1

    Oil Brake Light on and off.

    Oil is good. Front brake resorvoir above lower level and all the turns work. I haven't checked rear brake reservoir yet. Is that connected to a sensor? It stays on for a minute or two and goes off. Thanks for any help.
    79 XS11SF
  • bikerphil
    Master of XSology
    • Jan 2008
    • 8635
    • South Flori-DUH

    #2
    The 79SF has a unique LCU (light checker unit) that illuminates the oil/brake light on the dash to warn if the tail/brake light filament is burnt out. If the bulb checks out ok, then the connector pins of the LCU can be at fault. They can get stretched out and make poor contact causing the dash light to come on erratically. The LCU is under the left plastic side cover.
    2H7 (79) owned since '89
    3H3 owned since '06

    "If it ain't broke, modify it"

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    • dbmb0416
      Truly XSive
      • Jun 2015
      • 128
      • Westdale Ny

      #3
      Didn't see it but I played with most of wires and jiggled them and no light came on at all. Thanks for the tip
      79 XS11SF

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      • bikerphil
        Master of XSology
        • Jan 2008
        • 8635
        • South Flori-DUH

        #4
        It may have been relocated to under the seat, it looks like this...

        2H7 (79) owned since '89
        3H3 owned since '06

        "If it ain't broke, modify it"

        Comment

        • dbmb0416
          Truly XSive
          • Jun 2015
          • 128
          • Westdale Ny

          #5
          Thanks. I'll take a look.
          79 XS11SF

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