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FJR Motorcycle Forums
Technical & Mechanical Problems
Signalling Fuse
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<blockquote data-quote="RossKean" data-source="post: 1464812" data-attributes="member: 19880"><p>I have the PIAA sport horns on my 2011 with the stock fuse and no relay. Their draw is comparable to OEM and I haven't blown any fuses.</p><p>Going up in fuse size isn't usually a good idea. It is there to protect the wiring. For something with an intermittent draw like a horn and the fact that MOST electrical engineers build in a fairly large safety margin, you would PROBABLY be OK - do ya feel lucky? That said, there is no difference to the circuit with a normal draw if you use a 7.5 or 10 amp fuse (or even a solid bar of copper) but the fuse comes into play when there is a fault with a device or you make a wrong connection. Once I knew I had the wiring straightened out, I might put in a 10A fuse until I had a chance to swap it back to what is right.</p></blockquote><p></p>
[QUOTE="RossKean, post: 1464812, member: 19880"] I have the PIAA sport horns on my 2011 with the stock fuse and no relay. Their draw is comparable to OEM and I haven't blown any fuses. Going up in fuse size isn't usually a good idea. It is there to protect the wiring. For something with an intermittent draw like a horn and the fact that MOST electrical engineers build in a fairly large safety margin, you would PROBABLY be OK - do ya feel lucky? That said, there is no difference to the circuit with a normal draw if you use a 7.5 or 10 amp fuse (or even a solid bar of copper) but the fuse comes into play when there is a fault with a device or you make a wrong connection. Once I knew I had the wiring straightened out, I might put in a 10A fuse until I had a chance to swap it back to what is right. [/QUOTE]
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FJR Motorcycle Forums
Technical & Mechanical Problems
Signalling Fuse
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