Changing battery cables on '12 UC

Discussion in 'Electrical' started by TQuentin1, Oct 16, 2016.

  1. TQuentin1

    TQuentin1 Well-Known Member Staff Member Moderator

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    I have been having intermittent slow starts that I have attributed to bad cables. I am hoping that is the problem.

    But getting into the job, what a nightmare!!! Especially getting to the engine end of the negative cable that is under the inboard end of the starter!!! See the pix below Why does Harley design stuff to be so difficult when it would be just as easy to design it to be more accessible. Oh well. Getting it done.

    The new cables are particularly more robust than OEM. See the pix below. Here is the website I ordered them from:

    http://www.sumax.com/battery_cables.html

    For the '12 UC, these were #22017

    Cheers,

    TQ

    Also changed out the plug wires. Here are some pix of those. Here is the website I ordered the plug wires from:

    http://www.sumax.com/StreeThunder_Wires.html

    For the '12 UC, #ST236

    Cheers,

    TQ
     
    Last edited: Oct 16, 2016
  2. fin_676

    fin_676 Experienced Member Staff Member Moderator Contributor

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    It is not unknown for corrosion to build up on the inside of battery cables restricting the supply of power under heavy load
    If the negative is a pain to get to you could possibly cut off the old and select a new point to mount the negative to

    Brian
     
  3. TQuentin1

    TQuentin1 Well-Known Member Staff Member Moderator

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    VERY TEMPTING!!! But I got 'er done. Just a royal pain to get to that spot under the inboard end of the starter.

    Cheers,

    TQ
     
  4. fin_676

    fin_676 Experienced Member Staff Member Moderator Contributor

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    As long as there is a good ground contact there will be a full circuit it does not really matter where it is

    Brian
     
  5. dbmg

    dbmg Experienced Member

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    It seems that battery cable was installed first then they built a motorcycle.....
    Kudos for job well done TQ.;)
     
  6. Harttoo

    Harttoo Senior Member

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    I had intermittent slow starts on My 2012 Limited.I found that the ACR was turned off.I was using SEPST and I turned it back on.I still have no idea how it got turned off.Slow start was most noticeable when hot.
     
  7. TQuentin1

    TQuentin1 Well-Known Member Staff Member Moderator

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    Mine is an intermittent problem. Does not happen every time.

    How do you turn it on if it is off if I do not have a SEPST?

    Cheers,

    TQ
     
  8. Harttoo

    Harttoo Senior Member

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    How do you turn it on if it is off if I do not have a SEPST?

    If You don't have a tuner ,then Digital Technician is the only way.It won't throw a code if turned off.
    Apparently drag racers want to shut it off.
     
  9. dbmg

    dbmg Experienced Member

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    That's interesting for the ECM controls the ACR.
     
  10. TQuentin1

    TQuentin1 Well-Known Member Staff Member Moderator

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    So I need to take it to HD to have them determine if the ACR is enabled or not?

    Man!!! Hate to have to do that. Seems like there should be some way to query the system for current status of those types of settings.

    As an aside, how could the ACR disable itself?

    Cheers,

    TQ