The horn is located in the driver's side fenderwell
steering wheel
Where
It's located under the cowl on the passenger side of the Impala.
It's on the steering wheel, where the airbag is located. http://gtcarlot.com/data/Chevrolet/Impala/2005/11329687/Steering%20Wheel-49683885.html
It is located in the gas tank.
Begin by removing the wiring harness from your 2005 Chevrolet Impala horn. Remove the horn retaining bolts. The horn will come off.
It is located on the intake manifold near the thermostat housing.
the horn relay for the 2002 Neon is located under the hood. It is inside of the relay box, the lid should tell you which relay is for the horn.
it is located under the throttlebody just follow the upper radiator hose
any horn will work from the junkyard.
On the passenger side below the headlight assembly, behind the bumper cover, accessable from the bottom.