Horn upgrade?

Author
Discussion

rfn

Original Poster:

4,541 posts

213 months

Thursday 22nd January 2009
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The horn on the MX is pretty rubbish, and I wondered if anyone on here had upgraded it to a better one from another model, or an airhorn or something? Was it easy to do?

Cheers

OllieWinchester

5,677 posts

198 months

Friday 23rd January 2009
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Woo Hoo, Airhorn action. I have thought about this at length, but never done anything about it. How much are airhorns? How hard are they to fit? I'm sick to death of my anaemic Noddy horn, it's half knackered too now anyway. How loud are airhorns? Is it going to be reminiscent of that youtube vid with the ships foghorn and the pedestrians?

Howard-

4,958 posts

208 months

Friday 23rd January 2009
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I've been half tempted to fit air horns, there's even two horns/mounting brackets at the front! All you'd need is a 12v feed, of which there is one wink

rfn

Original Poster:

4,541 posts

213 months

Friday 23rd January 2009
quotequote all
Howard- said:
I've been half tempted to fit air horns, there's even two horns/mounting brackets at the front! All you'd need is a 12v feed, of which there is one wink
As in the battery is not far away - or there is already a 12v feed to the current horn? (I'm not so good on electrics).

I need to get under the car and have a look.

Howard-

4,958 posts

208 months

Friday 23rd January 2009
quotequote all
rfn said:
Howard- said:
I've been half tempted to fit air horns, there's even two horns/mounting brackets at the front! All you'd need is a 12v feed, of which there is one wink
As in the battery is not far away - or there is already a 12v feed to the current horn? (I'm not so good on electrics).

I need to get under the car and have a look.
Air horns require power for the compressor and they get "activated" by the existing horn wiring, so you need +12V for the compressor. The battery is in the boot, which would be annoying if Mazda didn't provide a little +12V feed under the bonnet to tap in to smile

rfn

Original Poster:

4,541 posts

213 months

Friday 23rd January 2009
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Ahh I didn't realise there was a 12v feed under the bonnet. Sounds like it shouldn't be too difficult to do the wiring for an air horn then!

Cheers!

anonymous-user

60 months

Friday 23rd January 2009
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I've got one of the smallish red snail-type horns on mine, in place of one of the two normal horns (discovered that my Eunos had an 2 of those flat round electric horns, one on each side of the front panel) and it's much much louder and just plugged straight on to the existing wire. I got it from Halfords for about £15 IIRC.

They have a low and high pitch so I chose the low pitch to work alongside the remaining original squeaker.

The trumpet airhorns are more awkward to fit as you need to mount both trumpets very close to the compressor (which is an awkward shape anyway). Unless you can remove the nosecone you're probably best fitting them over near the air filter and extending the horn cable from the front. I think there is a 12v feed wire behind the passenger headllamp (possibly a small blue plug??).

Edited by anonymous-user on Friday 23 January 19:07

snotrag

14,827 posts

217 months

Friday 23rd January 2009
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My Airhorns are fitted inside the right wheelarch on a usefully placed little bracket, the compressor is jsut on the inside of the inner wign, with a few inches of rubber tubing joining them together.

Worth doing, but I want some lower pitched/louder ones.

hms

164 posts

204 months

Friday 23rd January 2009
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I've fitted the Stiebel Nautilus. Sounds like a traditional sports car air horn.
Draws high current, so needs a seperate supply. Wired into exisiting system, horn is switched on the earth wire. Took a supply from the fusebox buss bar, through a relay.
The road runner "meep meep" is no more.
h

Andy Meads

320 posts

209 months

Saturday 24th January 2009
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I used mine for the first time today. Horrible. It must be possible to put a simple dual tone horn on. I'm off to MX5parts.co.uk and will report back...

Andy Meads

320 posts

209 months

Saturday 24th January 2009
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Andy Meads said:
I used mine for the first time today. Horrible. It must be possible to put a simple dual tone horn on. I'm off to MX5parts.co.uk and will report back...
Nothing for the MK3. There is one for the MK1, but not, it seems, an improved version.

anonymous-user

60 months

Sunday 25th January 2009
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Andy Meads said:
I used mine for the first time today. Horrible. It must be possible to put a simple dual tone horn on. I'm off to MX5parts.co.uk and will report back...
Just get high and low snail horns from Halfords and put one in place of each of the small metal squeakers!

rfn

Original Poster:

4,541 posts

213 months

Sunday 25th January 2009
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Is there any reason why it wouldn't pass an MOT with air horns?

MX-5 Lazza

7,952 posts

225 months

Sunday 25th January 2009
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Depends how fussy your MOT guy is. In theory, any after-market horn should fail as the stock ones are so rubbish because they have to conform to regulations. All modern cars have the same rubbish horns.

Andy Meads

320 posts

209 months

Friday 30th January 2009
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JimSuperSix said:
Andy Meads said:
I used mine for the first time today. Horrible. It must be possible to put a simple dual tone horn on. I'm off to MX5parts.co.uk and will report back...
Just get high and low snail horns from Halfords and put one in place of each of the small metal squeakers!
Might well do that. Thanks for the tip.