80 MNS Tail Light

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  • dewibp
    XStremely XSive
    • Jun 2005
    • 315
    • Work out of Dakota Dunes SD but live in eastern Iowa (Quad Cities)

    #1

    80 MNS Tail Light

    Beautifull day in SD today so I rode the MNS to work. Rode home and put in the garage and when I looked back the tail light was on and the switch off. Thinking no big deal might just be the brake switch being misadjusted so readjusted and the tail light was still on. Okay, so I then unhooked both wires to switch......STILL ON! Finally pulled the tail light cover off and found both bulbs on and had to remove them to keep from draining battery. Any idea what's causing this? thx in advance dew
    DEW
    One Red "Creation 1"
    One Black"Creation 2"
    One Black"Creation 3"
    One ???? "Creation 4"
    One ???? "Creation 5"
    One ???? "Parts Bike"
    All the above 1100 Specials
    78 Standard (Ruf Ruf)
    1980 Midnight Special
    1978 650 SE
  • TopCatGr58
    Administrator
    • Jul 2002
    • 12650
    • Portsmouth, Va.

    #2
    Hey Dew,

    Aside from turning the key switch too far to the left into the Locking/Parking position which will turn on the parking light, then the tail/brake lights should NOT be able to turn on with the key in the normal OFF position!

    So...there are several wires that run around the fender, under the seat, and a good chance that they have either gotten chaffed, crossing or shorting out or onto the other wires.

    First, put the bulb back in, and then pull the fuse for the tail light, and IF it goes out, then it's somewhere on that circuit. But if the lgiht stays on with the tail light fuse out, then it's probably involving other wires from other circuits!
    Good Luck!
    T.C.
    T. C. Gresham
    81SH "Godzilla" . . .1179cc super-rat.
    79SF "The Teacher" . . .basket case!
    History shows again and again,
    How nature points out the folly of men!

    Comment

    • dewibp
      XStremely XSive
      • Jun 2005
      • 315
      • Work out of Dakota Dunes SD but live in eastern Iowa (Quad Cities)

      #3
      Well the lights both stay on with fuse pulled. I am in need of a wiring diagram for 80 MNS or equivilant model. Anyone have something that could be sent on line? thx dew
      DEW
      One Red "Creation 1"
      One Black"Creation 2"
      One Black"Creation 3"
      One ???? "Creation 4"
      One ???? "Creation 5"
      One ???? "Parts Bike"
      All the above 1100 Specials
      78 Standard (Ruf Ruf)
      1980 Midnight Special
      1978 650 SE

      Comment

      • bikerphil
        Master of XSology
        • Jan 2008
        • 8634
        • South Flori-DUH

        #4
        wiring 80SG

        Here, if you haven't found it yet.

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

        "If it ain't broke, modify it"

        Comment

        • dewibp
          XStremely XSive
          • Jun 2005
          • 315
          • Work out of Dakota Dunes SD but live in eastern Iowa (Quad Cities)

          #5
          thx phil
          DEW
          One Red "Creation 1"
          One Black"Creation 2"
          One Black"Creation 3"
          One ???? "Creation 4"
          One ???? "Creation 5"
          One ???? "Parts Bike"
          All the above 1100 Specials
          78 Standard (Ruf Ruf)
          1980 Midnight Special
          1978 650 SE

          Comment

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