chas Posted November 25, 2011 Share Posted November 25, 2011 Hi All- I believe Father Xmas will be bring me some loud triple airhorns this year, and just as well as the horn on my 05 Boxer as been very feeble from day one. Quite inaudable if on a noisy motorway. I do not use the horn much, but when required, it wants to let everyone know I am there. It will be no problem for me to fix the horns and compressor into position, but as I want the old horn disconnected and still use the horn button, some idea of the wireing up and finding the existing connections would be very useful. If anyone as performed this task I would be grateful of the procedure on the said Boxer engine compartment. Cheers :-> Link to comment Share on other sites More sharing options...
vindiboy Posted November 25, 2011 Share Posted November 25, 2011 There is enough noise in this World already without this crap.IMO. Link to comment Share on other sites More sharing options...
pepe63xnotuse Posted November 25, 2011 Share Posted November 25, 2011 ...It's taken a while but there's the first one.... *-) Chas...I was going to respond to you earlier,saying how you'll be likely to get some negative flak...you know the sort(.."...I've been driving 50odd years and I'VE never needed air horns.." etc etc *-) ..Hopefully someone will be able to help with the info you need... ;-) Link to comment Share on other sites More sharing options...
sshortcircuit Posted November 25, 2011 Share Posted November 25, 2011 You may well need a relay as the current will be a good bit higher? Wire the relay in place of the existing horn. Take a seperate fused supply to the relay then horn with adequate sized cable plus earth. I fitted a klaxon in addition to the normal horn as it at least draws attention, and smiles, so is ideal if I am in a position I need to draw attention. Not sure of the situation for MOT as I can pull fuse before test not a problem. Link to comment Share on other sites More sharing options...
thebishbus Posted November 25, 2011 Share Posted November 25, 2011 I must say I agree with Vindiboy, I have never had to use my horn when on the move at all . If you must, you should be able to connect the compressor (or its relay ) to the normal horn connections, ie one to 12volt live, and the earth return through the horn button. Brian B. Link to comment Share on other sites More sharing options...
vindiboy Posted November 25, 2011 Share Posted November 25, 2011 pepe63 - 2011-11-25 3:31 PM ...It's taken a while but there's the first one.... *-) Chas...I was going to respond to you earlier,saying how you'll be likely to get some negative flak...you know the sort(.."...I've been driving 50odd years and I'VE never needed air horns.." etc etc *-) ..Hopefully someone will be able to help with the info you need... ;-) Well said that man, Why not get reversing bleepers while you are at it and up date your exhaust to make it sound more Macho and also joined up number plates with your names on them , handy if you forget what it is , bunches of keys to dangle from your belts and very long whippy aerials also help on the pratt scale IMO. :-D :-D :-D :-D Link to comment Share on other sites More sharing options...
sshortcircuit Posted November 25, 2011 Share Posted November 25, 2011 vindiboy - 2011-11-25 3:51 PM pepe63 - 2011-11-25 3:31 PM ...It's taken a while but there's the first one.... *-) Chas...I was going to respond to you earlier,saying how you'll be likely to get some negative flak...you know the sort(.."...I've been driving 50odd years and I'VE never needed air horns.." etc etc *-) ..Hopefully someone will be able to help with the info you need... ;-) Well said that man, Why not get reversing bleepers while you are at it and up date your exhaust to make it sound more Macho and also joined up number plates with your names on them , handy if you forget what it is , bunches of keys to dangle from your belts and very long whippy aerials also help on the pratt scale IMO. :-D :-D :-D :-D Pratt scale, you must be pretty near the top of that Vindi so will really find it tough at the top. Link to comment Share on other sites More sharing options...
vindiboy Posted November 25, 2011 Share Posted November 25, 2011 HA HA Oh I love that. LOL Link to comment Share on other sites More sharing options...
Wingpete Posted November 25, 2011 Share Posted November 25, 2011 How outrageous that so many seem to take pleasure from ridiculing a serious question from a fellow contributor. Won't ask how you react to my blue flashing beacon and two tones. *-) >:-( Link to comment Share on other sites More sharing options...
Derek Uzzell Posted November 25, 2011 Share Posted November 25, 2011 chas - 2011-11-25 1:46 PM Hi All- I believe Father Xmas will be bring me some loud triple airhorns this year, and just as well as the horn on my 05 Boxer as been very feeble from day one. Quite inaudable if on a noisy motorway. I do not use the horn much, but when required, it wants to let everyone know I am there. It will be no problem for me to fix the horns and compressor into position, but as I want the old horn disconnected and still use the horn button, some idea of the wireing up and finding the existing connections would be very useful. If anyone as performed this task I would be grateful of the procedure on the said Boxer engine compartment. Cheers :-> Because of the relatively high current-demand of the air-horns compressor, you will definitely need a relay and this should be supplied in the air-horns 'kit', together with generic wiring instructions. The best (and/or easiest) way to wire up the compressor will depend on your 2005 Boxer's existing wiring and I'm not familiar with that. When I've fitted air-horns I've installed a heavily-cabled 12V feed from the vehicle-battery to the relay and then on to the compressor, and then extended to the 'trigger'-side of the relay the 12V cable that causes the standard horn to sound. This arrangement means that both the standard horn and the air-horns work together, but as I don't use a horn for amusement (or not often!) this doesn't bother me. It also means that, if one horn should fail, the other should still function, and (should one so wish) it allows a short instant 'peep' from the standard horn before the air-horns compressor has time to spin up. If you GOOGLE using "air horn wiring diagram" as the search term (omitting the quotes), you'll get lots of useful information. Link to comment Share on other sites More sharing options...
vindiboy Posted November 25, 2011 Share Posted November 25, 2011 I think you already know, LOL Link to comment Share on other sites More sharing options...
Derek Uzzell Posted November 25, 2011 Share Posted November 25, 2011 vindiboy - 2011-11-25 5:51 PM I think you already know, LOL Who? And what? Link to comment Share on other sites More sharing options...
Mel B Posted November 25, 2011 Share Posted November 25, 2011 Vindi, you been sniffing something? You don't seem to be 'yourself' at the moment. :-S Link to comment Share on other sites More sharing options...
Derek Uzzell Posted November 25, 2011 Share Posted November 25, 2011 sshortcircuit - 2011-11-25 3:32 PM ...I fitted a klaxon in addition to the normal horn as it at least draws attention, and smiles, so is ideal if I am in a position I need to draw attention. Not sure of the situation for MOT as I can pull fuse before test not a problem. I'm not sure either how an MOT tester would treat a klaxon - see final entry in paragraph 'e' of the "Reason for rejection" column on the following webpage: http://www.motuk.co.uk/manual_160.htm One general point worth mentioning is that, if you've added some really ear-splitting horns to your motorhome, it would be wise to mention this to anyone intending to service or MOT your vehicle. Link to comment Share on other sites More sharing options...
747 Posted November 25, 2011 Share Posted November 25, 2011 You could be right Mel. This is not the only forum where he is being 'lively' :D Link to comment Share on other sites More sharing options...
Guest pelmetman Posted November 25, 2011 Share Posted November 25, 2011 I sometimes get an urge for a horn:D............ Remembering my youth..........La cachette used to be a favorite;-) Link to comment Share on other sites More sharing options...
sshortcircuit Posted November 25, 2011 Share Posted November 25, 2011 Derek Uzzell - 2011-11-25 6:59 PM sshortcircuit - 2011-11-25 3:32 PM ...I fitted a klaxon in addition to the normal horn as it at least draws attention, and smiles, so is ideal if I am in a position I need to draw attention. Not sure of the situation for MOT as I can pull fuse before test not a problem. I'm not sure either how an MOT tester would treat a klaxon - see final entry in paragraph 'e' of the "Reason for rejection" column on the following webpage: http://www.motuk.co.uk/manual_160.ht One general point worth mentioning is that, if you've added some really ear-splitting horns to your motorhome, it would be wise to mention this to anyone intending to service or MOT your vehicle. Thanks for the info Derek. My klaxon is on a separate switch, not ear-splitting and the fuse easily removed. Link to comment Share on other sites More sharing options...
vindiboy Posted November 25, 2011 Share Posted November 25, 2011 Mel B - 2011-11-25 6:41 PM Vindi, you been sniffing something? You don't seem to be 'yourself' at the moment. :-S Funny you should say that, I have an infection on my chest and am currently taking Anti Biotic at the moment, don't worry though I will soon be back to my usual Grumpy Self LOL LOL. I had my first ever Flu Jab the other week and was advised to have a Pneumonia Jab as well which I did a week later and now feel like @@@@, coincidence said the Doctor ? :-D :-D Link to comment Share on other sites More sharing options...
Rayjsj Posted November 25, 2011 Share Posted November 25, 2011 Quite a few times on site, I have been amused when a motorhome owner was Swivelling his cab seats and leaned on the Horn button, with a 'Normal' horn it's just weak 'beep'. With a set of these, half the site could end up with a 'Heart attack shock' thinking a 'Juggery nut' was coming 'Through'. Boys Toys ? (i'm just jealous !!) Ray ;-) Link to comment Share on other sites More sharing options...
Colin Leake Posted November 25, 2011 Share Posted November 25, 2011 What I fancy is one of those big brass jobs shaped like a serpent with a big rubber bulb on the end that one mounts on the outside of the body. A bit of class and no need to worry about how to wire it up. Link to comment Share on other sites More sharing options...
vindiboy Posted November 25, 2011 Share Posted November 25, 2011 Colin Leake - 2011-11-25 10:22 PM What I fancy is one of those big brass jobs shaped like a serpent with a big rubber bulb on the end that one mounts on the outside of the body. A bit of class and no need to worry about how to wire it up. I already have one of those, mine is hot wired and has a mind of it's own or so says my wife (lol) (lol) (lol) Link to comment Share on other sites More sharing options...
Brian Kirby Posted November 25, 2011 Share Posted November 25, 2011 Under almost any circumstances on any road anywhere, the brake pedal is a far greater aid to safety than any hooter, of whatever power or type. Plus, you have both hands properly on the wheel while using it. Toot, toot! :-D Link to comment Share on other sites More sharing options...
George Collings Posted November 26, 2011 Share Posted November 26, 2011 There will be a live feed down to the horns then a return to earth via the horn push on the steering wheel. The weak point is usually the slip rings under the steering wheel. To give the slip rings an easy time just use the existing wiring to the horn to control a 30 Amp relay. Run a fresh fused supply to the relay from a permant feed in the fuse box, then run a new earth from the relay to earth. No doubt Clive Mott will supply a nice wiring diagram for you. Its to late at night for me to look up the correct terminals on the relay. My 13 year old £10 air horns still work a treat with this set up. Link to comment Share on other sites More sharing options...
jhorsf Posted November 26, 2011 Share Posted November 26, 2011 These are very loud and compact http://www.ebay.co.uk/itm/Car-Motorcycle-12v-volt-Nautilus-Compact-Loud-Air-Horn-Twin-Tone-Like-Stebel-NEW-/230701667807?pt=LH_DefaultDomain_3&hash=item35b6e415df#ht_1979wt_1054 Link to comment Share on other sites More sharing options...
Brambles Posted November 26, 2011 Share Posted November 26, 2011 In the 2005 model, the feed to the actual horn is via a relay and fuse. 12 volts is supplied to the horn from the relay, the other side of horn being grounded. The coil of the relay is connected to 12 volts and the other side of the relay coil is switched by the horn switch in steering wheel to ground. edit - clarified by adding "the other side of the relay coil" Link to comment Share on other sites More sharing options...
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