MikeC5 Posted June 28, 2011 Share Posted June 28, 2011 I'm not having much luck scaring up a 12V horn for my '25. Would it be as simple as adding an appropriate resistor in parallel to a 6V horn make it happy? There are a couple of well work 6V on fleabay. Link to comment Share on other sites More sharing options...
MikeC5 Posted June 28, 2011 Author Share Posted June 28, 2011 worn that is. Link to comment Share on other sites More sharing options...
platt-deutsch Posted June 28, 2011 Share Posted June 28, 2011 No.. you need the resistor in series not parrelell. Link to comment Share on other sites More sharing options...
idrjoe_sandiego Posted June 28, 2011 Share Posted June 28, 2011 In order to use a 6V Horn on a 12V car you need a good heavy duty ceramic resistor (either 1.0 ohm or 1.5 ohm -you'll have to calculate which one based on the current draw of your horn). This fellow on eBay sells them. 1 Ohm Voltage Reducer H/D Ceramic Resistor 12-6 Volt a | eBayThe cheaper way (not necessarily the best way) would be to try using an ignition ballast resistor from your junk pile (or perhaps two ballast resistors in series that add up to your target Ohm rating). Test it out first to see if it can handle it. As you reduce 12v to 6v, all the extra current will dissipate as heat, so make sure you mount these things safely. (think Heat sink mounting). Link to comment Share on other sites More sharing options...
mrspeedyt Posted June 28, 2011 Share Posted June 28, 2011 use two 6v horns in series. (that will only work if each horn body isn't grounded) Link to comment Share on other sites More sharing options...
RU22 Posted June 28, 2011 Share Posted June 28, 2011 Unless your planning to 'STAND ON'' the horn for several seconds just wire it in and use it. My sound like a ruptured owl but horns are supposed to be loud! Link to comment Share on other sites More sharing options...
MikeC5 Posted June 28, 2011 Author Share Posted June 28, 2011 Thanks guys. Link to comment Share on other sites More sharing options...
JACK M Posted June 28, 2011 Share Posted June 28, 2011 I have wired up 6V horns and they are loud on 12V. Like RU said...You can buy a cheap set of horns at NAPA. The ones I used last were dual tone and kind of remind me of a Roadrunner. Link to comment Share on other sites More sharing options...
MikeC5 Posted June 29, 2011 Author Share Posted June 29, 2011 I was hoping to stay closer to original with the ahooga sound... Link to comment Share on other sites More sharing options...
RickBrinker Posted June 29, 2011 Share Posted June 29, 2011 try 100 dB Old Fashioned Sound "Ooga" Air Horn14.95 Link to comment Share on other sites More sharing options...
MikeC5 Posted June 29, 2011 Author Share Posted June 29, 2011 I don't want to cause heart attacks... Link to comment Share on other sites More sharing options...
JACK M Posted June 29, 2011 Share Posted June 29, 2011 The Harbour Frieght plastic horn is probably worth the money. The 100 db is not that loud as far as horns go. I had one on my 36 for a couple of years before it failed. I think I had it mounted to close to the road and it got wet a couple of times and that killed it.If you can find a place to hide it (you dont want anybody to know you are running the POS)and it will stay dry you will most likely get your $14.95 of fun out of it.Did the DBs have ahoogas? Link to comment Share on other sites More sharing options...
MikeC5 Posted June 30, 2011 Author Share Posted June 30, 2011 I was assuming that any horn with an electric motor on the end is the ahooga type. But I'm no authority on that. I would just prefer to try and stay original. Link to comment Share on other sites More sharing options...
Guest 1930 Posted June 30, 2011 Share Posted June 30, 2011 Ahooga horns are associated with Ford as far as I know mike, the sound produced mimicks the pronounciation Link to comment Share on other sites More sharing options...
platt-deutsch Posted June 30, 2011 Share Posted June 30, 2011 aaaaooooogaaaaa is the right horn. Link to comment Share on other sites More sharing options...
Guest bull Posted June 30, 2011 Share Posted June 30, 2011 I can't see a problem as I have been putting 12V through a 6V starter for years with no bad consequences. There is a el cheapo plastic oogaa horn available for about $12 made in Taiwan and probably at Mac's or Lang's model T stores. Looks OK after painting it black,as the original has a red trumpet. Sounds OK on my T model,(12v horn on 6v system) looks cheap but got her licensed OK. I used it to license her as my klaxton is an intermittant oogaaah job and I didn't want the gamble of it not working at the time. Only an el cheapo suggestion though. Link to comment Share on other sites More sharing options...
MikeC5 Posted June 30, 2011 Author Share Posted June 30, 2011 For what it's worth...Vehicle horn - Wikipedia, the free encyclopedia Link to comment Share on other sites More sharing options...
dwollam Posted June 30, 2011 Share Posted June 30, 2011 Yes, DB's had Ahooga's. At least the 4 cyl cars did. Link to comment Share on other sites More sharing options...
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