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Cadillac Horn Upgrade!


Edged Up

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Decided to pick up some Cadillac 4 trumpet horns from ebay. I think they came off an El Dorado. Cost like $80. Used a 9006 bulb wire harness since the caddy horns came with pigtails. Cut off the Ford connector and soldered in a 9006 plug. I figured it could handle high amp draw since its used for lights.

 

When time comes to get my LED bumper lights I'm gonna move the horns to behind the grill since they would be in the way. Seems to be a lot of space there.

 

No more wimpy horn!! Pics are out of order. First time posting pics. And the dog was being nosey so she got worked in.

 

Also I checked the diagram on an El Dorado and these horns are rated at 15 amps. The Edge horn fuse is 20 so I'm confident this is safe for the wiring. This is why I didn't use a relay. Allthough I hold no responsibility if you fry your car. Do at your own risk. I am gonna make it more stealthy for warranty purposes. Don't want them to say the muffler fell off because I changed the horns.

 

Sounds nice!!!!! Didn't want to get crazy with AirHorns with the car new and all. Maybe 5 years from now. For now its awesome.

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I installed those horns this weekend. I put two on the OEM bracket on the right and the other two on the left by just drilling a couple of holes for self-tapping screws. I used the factory horn connector to trigger a relay. Battery power comes from one of the unused terminals in the Battery Junction Box under the hood and there is an existing ground bolt on each side bumper mount.

 

The relay is both for added safety and to ensure that the horns get a full dose of current for maximum output. And there is a noticeable difference in volume between testing the horns with the car off and with the engine (alternator) running.

 

If you plan to do this mod, don't be disappointed if you mount the first two horns and run a test. Just two of the four sound rather anemic. But connect all four and they sound quite impressive - not just volume but tone quality as well. Guaranteed you will not be ignored if you lay on these things when someone cuts you off.

Edited by TheWizard
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Well, I suppose I could record the horns to give you an idea of the tone but the volume would be hard to convey because it depends on recording level and playback volume. I won't be able to do that until the weekend since we have a major project going on at work and I don't get home until late (don't want to disturb the neighbors).

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