Air horn blows fuse

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Cranium

Cranium

Active Member
Posts
203
I've just installed air horns and I'm confident they are wired correctly.
Worked fine for the first few blasts then one long blast and the fuse blew.
Any ideas what could make the fuse blow? It is a 10a fuse as recommended in the instructions..
 
Terminal 30 to Live supply with in line 10a fuse.
Terminal 85 to original horn supply.
Terminal 87 to air horn +.
Terminal 86 to earth.
- on air horn to earth
 
10A fuse isn't very big, most other horns seem to use a larger fuse than that. Have you got a link to the horn?
 
331a208a724161a09802cd2e8ea4f7f2.jpg
 
I now notice that in the diagrams the fuse is rated higher? 12V-25A, the text instructions state 10A...
 
Called the technical help line who answered straight away and quickly answered the question, it should be a 20A!

So their instructions are wrong!
 
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