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Negative battery terminal melted

Discussion in 'Motorcycle Tech Talk' started by lmplain, Jul 28, 2011.

  1. lmplain

    lmplain New Member

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    This afternoon I went to start my bike and after a few short seconds the bike died. After inspecting, I found that my negative ground melted right off the post of the battery. What just happened?
    lmplain, Jul 28, 2011
    #1
  3. JohnnyBiker

    JohnnyBiker Well-Known Member

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    It melted.....:wtf::D
    JohnnyBiker, Jul 28, 2011
    #2
  4. chucktx

    chucktx Moderator Staff Member

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    nice johnny,,,,:rolleyes:

    there are a couple of reasons for this.....loose connection, corroded connection. also check the ground wire at the frame/engine. they need to be bright and shiney. a weak battery will also cause this. let us know how it goes!!! welcome to the forum....
    chucktx, Jul 28, 2011
    #3
  5. lmplain

    lmplain New Member

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    Just wanted to keep everyone informed with what the results were about the negative battery terminal.

    Long story short.. the ground that connects to the frame was not metal to metal. It was metal to paint with 2 small scuff marks that had corrosion. I sanded off paint using a dremel tool and reconnected. Problem solved. Also, we discovered that the ignition had a short in it which was the reason why after it started it would quit when the RPM's got higher than idle. I replaced ignition with a 3 wire Harley ignition. At the same time we replaced the 30 amp relay because there was a concern that it was sticking.

    All in all, it was pain in the butt however I am back on the road and everything seems to be in working order except for the speedo. Still have to look into that. I'm leaning towards it getting fried because of the ground issue.

    Thanks for everyones help
    lmplain, Aug 2, 2011
    #4
  6. hotroadking

    hotroadking Super Moderator Staff Member

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    No speedo is easy

    If you are passing everyone, you are going too fast
    if everyone is passing you, you are going too slow...
    hotroadking, Aug 2, 2011
    #5
  7. chucktx

    chucktx Moderator Staff Member

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    +1 :)
    chucktx, Aug 2, 2011
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  8. Dragoon

    Dragoon New Member

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    My 2006 Dragoon did the same thing 2 years ago. First the Negative Battery Cable came off and shut down the bike. I tightened it down and rode off however my Speedo no longer worked. Had to get a new Speedo. Recently my bike had the same problem so I removed the Battery and the negative post was melted. I will try your solution and hope it works too.
    Dragoon, Aug 3, 2011
    #7

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