The horn is located in the driver's side fenderwell
steering wheel
Where
the horn on f250 is located under the passenger side fender at front of vehicle you will need to remove platic fender liner to get at it
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 above the heater core trap door behine the glove box.
Where is the starter and what does it look like on 2002 f250 ford diesel?
There are two and the are both behind the front bumper.
right in the middle of the steering wheel.
The relay is probably stuck closed. The relay should be located under the hood in the relay/fuse box. It should just plug in.
170mm
the horn is on right front side under battery can get see it from tire wall at top back conner