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Old 11-15-2016, 07:20 PM   #1
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High vs low pitch horn

Anyone have experience with the difference in sound between a high and low pitch horn? Would like a plug and play option that has a deeper sound.

Suncoast Porsche Parts & Accessories Replacement Horn
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Old 11-15-2016, 07:37 PM   #2
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I think the car (and most) have both stock which is why buying both is an option. One for light press on the wheel the other for hard.
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Old 11-15-2016, 08:27 PM   #3
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I've had the cowl off several times and only saw one horn on the drivers side off the battery. There is definitely is no difference on both my 986.1 and 996.2 between and light press and a hard press.
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Old 11-15-2016, 08:58 PM   #4
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Hello,

all Porsche stock horns are 2 sound horns. Sometimes over the years one of the 2 doesn't work anymore. You can't select between the 2 sounds with the stock circuit.

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Old 11-16-2016, 12:40 AM   #5
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Sorry to hijack. My horn stopped working. I tried pressing hard previously and there was this soft squeak. After that no more.

What could be the reason? If I were to buy to replace, I could simply buy either high or low pitch horn?

One would do?

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Old 11-16-2016, 05:05 AM   #6
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I absolutely LOVE the deep trucker sound horn in my Porsche... you hit that horn and you can see the people jump right out of their skin. I wish every car has this powerful horn, sounds so good I enjoy blasting it off just for fun !! lol
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Old 11-16-2016, 06:59 AM   #7
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Hmmmm, I think we need the 2 horn system with one of the horns being an infrasonic so that you can make Texters and Honda racers yak on their windshields.

Could A Sonic Weapon Make Your Head Explode? | Popular Science

The beauty of the infrasonic horn is that you can't hear it. It just induces nausea.

I love technology!
Add another 1 to the cool mods list, right below the smoke cloud switch.
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Old 11-16-2016, 07:19 AM   #8
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Originally Posted by Porsche9 View Post
I've had the cowl off several times and only saw one horn on the drivers side off the battery. There is definitely is no difference on both my 986.1 and 996.2 between and light press and a hard press.
The horn under the cowling near the battery is only for the alarm system. The high and low note horns that both sound together when you hit the steering wheel horn button are located behind the front bumper on the passenger side.

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Originally Posted by perspectivism View Post
Sorry to hijack. My horn stopped working. I tried pressing hard previously and there was this soft squeak. After that no more.

What could be the reason? If I were to buy to replace, I could simply buy either high or low pitch horn?

One would do?

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The horns can fail because they are very low to the ground and can fill up with water. If you go through automatic car washes that have an under-chassis spray, that may send water into the horns and cause them to fail. I haven't taken my Boxster through automatic car washes that often, but in 13 years I have had the horns fail twice and now I don't ever go to automatic car washes and haven't had any horn issues even though I drive my car in plenty of rain. You can get by with just one note and one horn, or you can use two of the same note if you like, externally they are both the same mount and electrical connection.

You might be able to get to one of the two horns without removing the front bumper cover, but the only way I have been able to get to them is to remove the front bumper cover. It is a good idea to do this every year or two anyway to clean the debris from your radiators, ductwork and in between the radiators and air conditioner condensers that are sandwiched together.

The stock replacement horns are pretty cheap from places like Pelican Parts, where I've bought mine. If you decide to "upgrade" your horns, you may need to adapt brackets and electrical connections, the wiring harness has a Porsche/VW specific female plug to plug directly to the male connection on the horn.

If you're going to remove your front bumper to clean out your radiators anyway, then you can check if the horns are bad with a test light or a replacement horn. But if you don't want to pull the bumper cover to find out that it is a fuse or the horn button, then you should do some other diagnostics to figure out what's not working! Other than checking the fuse, I'm not the guy to tell you how to do that!
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Old 11-16-2016, 08:52 AM   #9
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PaulE,

Thanks for the detailed information. That's very helpful!
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Old 11-16-2016, 01:20 PM   #10
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Quote:
Originally Posted by jb92563 View Post
Hmmmm, I think we need the 2 horn system with one of the horns being an infrasonic so that you can make Texters and Honda racers yak on their windshields.

Could A Sonic Weapon Make Your Head Explode? | Popular Science

The beauty of the infrasonic horn is that you can't hear it. It just induces nausea.

I love technology!
Add another 1 to the cool mods list, right below the smoke cloud switch.
I would prefer the old school ones. Just more fun.

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Old 11-16-2016, 01:56 PM   #11
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Thanks PaulE...
But apart from stripping the front bumper and testing the horns directly... Is there any easier way to know if the issue is due to relay/fuse or faulty horns

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Old 11-16-2016, 05:07 PM   #12
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Thanks PaulE...
But apart from stripping the front bumper and testing the horns directly... Is there any easier way to know if the issue is due to relay/fuse or faulty horns

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I bet there is, but aside from the fuse it's beyond my knowledge base. Maybe someone else can chime in about diagnosis. Perhaps there is a relay to test or can be heard to click when the key is turned on and the engine isn't running?
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Old 11-16-2016, 05:08 PM   #13
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I bet there is, but aside from the fuse it's beyond my knowledge base. Maybe someone else can chime in about diagnosis. Perhaps there is a relay to test or can be heard to click when the key is turned on and the engine isn't running?
Hi, thanks for ur helpful posts. How do we test the fuse then?

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Old 11-16-2016, 05:22 PM   #14
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Hi, thanks for ur helpful posts. How do we test the fuse then?

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Look in the owners' manual for the fuse diagram, find the one for the horn, pull the fuse out and see if it has continuous metal inside the clear plastic or if the metal has been burned out of the middle portion due to an electric overload? Youtube has plenty of videos on testing fuses with a multimeter too.
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