I was just walking up to mee truck thinking how well it looks and go's ,no leaks ,engine starts, most of the things work and beep mee horm to my neighbour and nothing! Pressed my beeper as hard as I could and nothing. Its happened before but his voice has always come back.....Just been lazy ..where would you start looking....youve been there before..Nik

fuse, relay or the horns them selfs

Get an electric boat horn off the bay 130db scare the shit out your neighbour

Ok starting to get there...ignition on pressed the steering wheel could hear a relay clicking on driverside under bonnet....I think I've two horns behind the indicators..spose next thing is check for 12v at them...if a horn has gone u/s go for ebay generic or off a scrappy or ? milners?? Nik

fuse ok, can hear the relay clicking and so removed both horns...got them on the bench...when i wire them up on the bench i can get them to work if i lean on the front black circular plate. Its as if they need a nudge to get them working..any suggestions?just been tight! or am i better off getting a replacement ? Mitzy bits do pre owned (!) for 17£ am i better off getting these or any other suggestions?( haven't ruled out that marine one though! Nik

Full of shyte ! The horns that is. Shove some brake cleaner up there followed by 120 psi through an airline followed by a boot around the workshop and they'll work just dandy again.

you were rite,both horns working spot on now ....and I was getting all excited about treating myself to a set of F off horns....! Thanks saved me £20 Nik