I just bought a 2005 Impala the week before Christmas. Does the horn for this car really sound that weak? My last car was an Olds and it had a high and low note horn. Does the Impala have high and low note horns? Or is this something I have to buy a set of air horns for? lol.

 

Hey, I have a 2005 SS and my horn does the same thing. I was told by the dealership that the cause is because the horn is mounted in a way so that it gets full of water. I asked them to replace it and mount it the proper way, and of course they didn't. The "cleaned" it out and it worked fine for a while. Now it's doing it again.

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Go to your local parts store and buy a hi and low tone horn, mount them somewhere under the hood or in your front fender and use the wiring from the stock horn to power them up

 

The horn fuse is in the hood on 2005 impala if the fuse is good the horn is bad..simply get a new horn for it and replace it.