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big dog bulldog 2005

Discussion in 'Technical' started by Aussie Craig, Apr 21, 2017.

  1. Aussie Craig

    Aussie Craig New Member

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    Hi there I purchased a 2005 bulldog and shipped it over to Australia. Ive only had it a couple weeks and the bike shut down. the horn went off. so i removed the earth from the battery whilst on the side of the road and then started to check the wiring so i placed the earth wire on with the ignition off and the speedo powered up and horn sounded so i removed the horn wire so i had piece and quiet. but still can't figure out why theres power to my speedo with the ignition off. it also ruined my brand new battery ist now useless. Ive tried to do some diagnostics with a new battery power to the EHC but none on the other side. Does it sound like its the EHC or possibly something else
     
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  2. TapioK

    TapioK Well-Known Member

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    Ruined the battery? Overcharging? Could well be EHC, but something caused it, faulty Voltage Regulator?
     
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  3. Aussie Craig

    Aussie Craig New Member

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    I also took it into my local Harley shop as theres not to many bike shops around here they told me they have tested the voltage regulator and it seems ok. whats your thoughts
     
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  4. BWG56

    BWG56 Guru

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    Sounds to me like a short, unplug the EHC and try some dielectric grease and only plug one connector in at a time to see which if anything happens with each, that will narrow it down on which harness if there is a short.
    The other thing would be to remove the tank and unplug the speedo connector and see if that's the short
     
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  5. Aussie Craig

    Aussie Craig New Member

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    ok awesome ill try that.
    I was going to purchase a ehc as it seems its a matter of when it fails not if. But Im still unsure of which one to buy. The DOC or axels which i believe is for sale at bigdog is back. any thoughts and recommendations. as I'm certainly no electrical guru
     
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  6. Aussie Craig

    Aussie Craig New Member

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    I did pull every connector apart and spray electroclean on them prior to taking it to the harley shop but ill definitely try what you suggested
     
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  7. BWG56

    BWG56 Guru

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    The new Big Dog only has the RIP kits, I personally along with many others have DOC's ESC and have been running trouble free, however Axel's is the simplest, just literally 2 connections, remove the old EHC and plug the new one in its place, but its very new, however working well.
     
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  8. bdm7250

    bdm7250 Guru
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    :agree: If your wire harness is not in the best condition, DOC's ESC is most definitely the way to go..over 7k trouble-free miles for me..:old2:
     
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  9. TapioK

    TapioK Well-Known Member

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    I'm still stuck with the ruined battery part...
     
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  10. Th3InfamousI

    Supporting Member

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    I'm still stuck on what "removing earth from the battery" means. Moving earth is a tall task.

    Sent from my 2PS64 using Tapatalk
     
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  11. pknowles

    pknowles Guru
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    You're kidding, right ?
     
  12. pknowles

    pknowles Guru
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    In case you aren,t it's the ground
     
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  13. Big D Florida

    Big D Florida Well-Known Member
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    US... Ground
    Europe... Earth

    In DC terminology it is actually... Return
     
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  14. BigDogRick

    BigDogRick Active Member
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    It's best to use a D-6 Dozer when removing that earth. :cool:
     
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