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Thread: horn upgrade

  1. #11
    Senior Member horn upgrade dduelin's Avatar
    Bike: NC700XD, ST1300, Elite 80
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    No need to reinvent the wheel. If you go to the NC700 Mods Forum and use the Search Forum tool with <horn upgrade> as the tag you will find many threads on this subject. Here's one:

    https://nc700-forum.com/forum/nc700-m...t=horn+upgrade
    Dave

    GL1800
    NC700XD




  2. #12
    Senior Member
    Bike: 2013 Red NC700X
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    The soundbomb has a 700X-specific bracket and also a wiring harness available.

  3. #13
    Senior Member
    Bike: NC700X, XL350R, CT90 (need to sell), IT175, VFR700 (gone)
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    To all: I finally did this horn upgrade. Installed twin horns (hi/lo) purchased from Harbor Freight ($10) on the lower frame - one at the existing mount and one on the other left side. Considered mounting inside the fake air ducts, but felt that would attenuate the sound and don't know how reliable they'll be.
    MUCH louder than the meep meep oem horn, but draws >10 amps so used a 40amp relay (came with the horns). Powered directly from battery through a 20amp fuse that also feeds my power outlet; the solenoid is activated by the existing horn leads.
    So how much louder is it? For your comparison, I have a back to back video of the oem vs the new ones, but cannot figure out how to insert. If you want to hear/see it, I'll email to you directly.
    Had a friend ride alongside in a cage - he says it sounds like a loud car horn now (cause that's what it is!) and commands attention.

  4. #14
    Junior Member
    Bike: 2013 NC700 and 2016 SD 1290R
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    I fitted a Denali Soundbomb mini to my 2013 NC700X today. It's a like for like swap and much, much better than stock.

    The horn wires are a little short so I had to release them a little from under another cable but they just reach without having to bend the bracket.

  5. #15
    Member denete's Avatar
    Bike: NC700XD
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    Plake, did you use the Denali bracket?

    Do you happen to have any photos of your installation? I've got one coming this week and was curious about routing the wiring.

  6. #16
    Junior Member
    Bike: 2013 NC700 and 2016 SD 1290R
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    Hey denete, no need to use the Denali bracket and even the nut is compatible if you want to reuse the Honda one.

    It's late here but will try to get a picture tomorrow. I did use a bit of self amalgamating tape around the wire/connector junction on the original leads to make it look neater and waterproof it the inner wires were just visible.

  7. #17
    Junior Member
    Bike: 2013 NC700 and 2016 SD 1290R
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    horn upgrade

    Sorry for the delay. Here is the Denali Soundbomb Mini, the horn is supposed to point down to allow drainage.





    Last edited by Plake; 15th November 2016 at 11:21.

  8. #18
    Junior Member
    Bike: 2016 NC700X
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    Miami
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    7.5 amp fuse blown after installed Denali Soundbomb mini

    Hello Plake,
    I might have done something wrong ? After replacing the OEM horn with the Denali, the fuse blew up after the first toot and lost power on the dashboard. Do I need a relay for that 5amp horn, or just put a 10-15amp fuse instead?
    Thanks for the advice, Daniel

  9. #19
    Senior Member horn upgrade GregC's Avatar
    Bike: 2015 NC700x DCT
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    Aug 2015
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    horn upgrade

    My understanding on horn upgrades is that generally you need a relay so that the OEM horn switch is only switching the relay, which then switches the higher amp horn. Without the relay, the horn switch canít handle the higher amps.


    Sent from my iPhone using Tapatalk

  10. #20
    Junior Member
    Bike: 2016 NC700X
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    Jan 2019
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    Horn upgrade

    I saw a video of a chap replacing that same horn to his 2016 NC750X and it was a matter of plug and play. No fuses blown! My bike is a 2016 NC700X. Could it be then a case of reverse polarity? There are no marks on the horn to indicate + or - ..... Iím still puzzled. Daniel

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