Speedometer keeps blowing fuses
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Stage I
Joined: Jul 2025
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Speedometer keeps blowing fuses
I have a 2006 road king and the speedometer stopped working. Figured out it's blowing fuses. I took a multimeter and put where the fuse goes and it's only getting 12.2v to that spot. Any ideas why it's getting the right voltage to the fuse box but still blowing fuses?
Seasoned HDF Member
Joined: Sep 2009
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From: SE Michigan
Intermittent pinched wire somewhere, I'm guessing.
Road Captain
Joined: Apr 2010
Posts: 686
Likes: 349
From: Central Utah
Youll have 12 volts until you put a load into the circuit. The Speedo is just that. Id surmise something inside the speedometer is drawing more current than the fuse is rated for. Look at all visible wired or soldered areas. You might find a pinched wire, bare wire or even a shorted light bulb can do it.
Or- could be the speedometer is in need of repair or replacement.
Or- could be the speedometer is in need of repair or replacement.
Seasoned HDF Member
Joined: Feb 2007
Posts: 6,081
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From:
When a fuse blows it generally means that either a short circuit is present or there is a high demand item on that line.
Since the speedometer has a relationship with turn signals and a few warning lights, perhaps there is something else going on at this time.
By chance does your model have a wire loom under rear fender?
Reason:
A lowered rear end of bike makes such a motorcycle more prone to tire scrub against wire loom that is under rear fender.
If that wire loom is scrubbed and damaged then a short circuit becomes more probable.
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