I had cause to use the horn on my mini the other day (dont want anyone in a nasty big fiesta hurting her) and it sounded like I was leaning out the window blowing a kazoo! This is not the sound you want when you're trying to give the impression that you have a mean motor, so I'd really like to change it.
Now, I know I could just get a piece of tissue paper and a comb for a louder sound, but I'd like to replace it with something that makes people think they've just ignored a Land Cruiser or a Range Rover. Can I just pop down the scrappy and recycle a two-tone horn from an old Granada or Cavalier? Or is it more complicated than that? Are there voltages and relay issues that I couldn't possibly comprehend (I'm definitely no electrician)?
Getting the horn
Started by
Roxoff
, Oct 10 2005 11:54 AM
3 replies to this topic
#1
Posted 10 October 2005 - 11:54 AM
#2
Posted 10 October 2005 - 12:18 PM
Somewhere along the line BMC/BL/Rover changed the way horns were wired so I can't completely answer your question. However, you can make just bout any 12v horn work (virtually any car... skip truck horns) if you have room to mount it. It's always a good idea to add a relay. My Triumph had a horn relay from the start. My Mini didn't and the horn wiring was clearly overheated and the pushbutton itself was mildly damaged. I use the ISO relays made popular by Bosch. These can handle 30 Amps and are readily available at parts stores.
#3
Posted 10 October 2005 - 05:01 PM
get a big set of air horns :grin:
#4
Posted 10 October 2005 - 06:42 PM
The thing with getting air horns off a truck such as a skip-truck is that most trucks run on a 24v system for the power - whether it is regulated for the horn or not is another thing, but be careful.
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