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#1
07-05-2006, 11:03 PM
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Want louder horns?
I have high and low tone 6V horns from a 50's American vehicle in the mercedes.
When yu apply 12V to these things they are VERY VERY loud.....  Comparable to train horns in tone slightly quieter than a fire engine horn... I don't have them hooked up, I have yet to figure out how to make case grounded horns work on a switched ground circuit...any suggestions? but I know they are LOUD
__________________
RIP: 80 300SD RIP: 79 450SEL 2002 E430 4matic (212,000km) 2002 ML500 'sport'  ____________________________ FACEBOOK: PANZER450 
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#2
07-05-2006, 11:14 PM
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Case-grounded, on a switched ground circuit? The original application applied switched power to a constantly grounded horn, right? Just making sure my brain is working-it is after working hours.
To make them work, electrically isolate the mounting from the rest of the chassis. Apply constant (but fused-more on this later) power to the power hookup, then connect a wire to the case and through the switched ground circuit. Caveat: applying 12 volts to something intended for 6 can cause shortened component life, overheating, arcing, fire, and general bad stuff to happen, hence the importance of fused power. I personally wouldn't do this install. If you do it, it's probably better to use a key-switched hot instead of always-hot. That way, you won't be able to use the horn with the key off, but the horns won't self-destruct without you around.
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Whoever said there's nothing more expensive than a cheap Mercedes never had a cheap Jaguar. 83 300D Turbo with manual conversion, early W126 vented front rotors and H4 headlights 401,xxx miles 08 Suzuki GSX-R600 M4 Slip-on 26,xxx miles 88 Jaguar XJS V12 94,xxx miles. Work in progress. 99 Mazda Miata 183,xxx miles.
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#3
07-05-2006, 11:44 PM
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I love the tone of our original MB horns. My 18 year old son has the one from my parts car on his 2001 Nissan Frontier pickup! When he activates his alarm it makes the funniest semi-honk (sounds like gnat flatulence).....
__________________
Jimmy L. '05 Acura TL 6MT  2001 ML430 My Spare Gone: '95 E300 188K "Batmobile" Texas Unfriendly Black '85 300TD 235K "The Wagon" Texas Friendly White '80 240D 154K "China"  Scar engine installed'81 300TD 240K "Smash" '80 240D 230K "The Squash" '81 240D 293K"Scar" Rear ended harder than Elton John
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#4
07-06-2006, 12:49 AM
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Quote:
Or better yet, why not give it it's own circuit -grounded on a momentary switch...(Duh, why didn't I think of that earlier!!) I've got so many other projects on the go I havn't been able to allocate the brain power to set up the horns...
__________________
RIP: 80 300SD RIP: 79 450SEL 2002 E430 4matic (212,000km) 2002 ML500 'sport' ____________________________ FACEBOOK: PANZER450
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#5
07-06-2006, 12:55 AM
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When I mounted mine in my VW I just used a piece of old rubber to isolate the horn from the frame.
__________________
1979 240D- 316K miles - VGT Turbo, Intercooler, Stick Shift, Many Other Mods - Daily Driver 1982 300SD - 232K miles - Wife's Daily Driver 1986 560SL - Wife's red speed machine
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#6
07-07-2006, 04:19 PM
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Uh...oh
I think one of my horns doesnt work...roadside animals snicker when I blow at them.........I would like to have a loud one though....One that would rattle the eyeglasses off ones face....
__________________
1993 300D 2.5L 240,000+ miles
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#7
07-07-2006, 04:29 PM
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locomotive horn
hornblasters.com
Prepare to laugh. my na 95 e300d has plenty of room on the passenger side for such a set up. However, I am in a 12 step program to address my use of horn and hand signals (while driving) so, while very tempting, I will pass on the locomotive horn. Sure liked the way that cat jumped.
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