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First, you need to understand how a horn works. Vehicular horns are "similar" in operation to an audio speaker in that they have a diaphragm [metallic in horns] which moves in and out very rapidly to create a sound wave.
To cause the movement, there is a "coil" of Copper wire [usually around a "soft" iron core] which when energized pulls the diaphragm toward the coil/core. When the electricity is turned off, it allows the diaphragm to return outward to its resting position.
The horn "button" on the steering wheel usually feeds power to a "relay" which then feeds full battery power to the horn itself.
The ON-OFF at a very rapid rate is controlled by a set of "points" inside the horn. One point is fixed, and the other "rides" with the moving diaphragm This setup allows the electrically charged coil to pull the diaphragm backward from its resting position, then the movable switch contact point is simultaneously "opened," cutting off the electrical power to the coil and de-energizing it, allowing the diaphragm to return to rest position, which closes the contact point starting the cycle again, and again, and again...
When a horn "clicks," the cause is usually the fact that the contact points have an accumulation of electrical "arc" debris [or the points have "welded" together] which prevents the points from being able to open and release the diaphragm
Most vehicular horns have an "adjusting screw" [with a locking nut] on the back of the horn.
By loosening the locking nut with a small wrench, and then screwing the adjusting inward a couple of turns and then back out those couple of turns [plus a couple more] several times, the debris/corrosion [or whatever it is] usually falls off the points, and the horn will work again.
NOTE that the horn sound output may not sound the same, and you will have to "tweak" the sound by "playing" with the positioning of the adjusting screw.
When you have got the sound back similar to original, hold the adjusting screw in that "best" position, and re-tighten the locking nut to secure the adjustment setting.
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It is in front of the radiator and the horn itself can be bad.
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Where is the horn located on a 2002 Mustang gt?
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In the engine compartment.
The horn on a 91 tracer clicks but no sound is it the wiring or the horn please help?
Probably the horn. The click indicates it's getting power but not sounding, so I'd change out the horn assembly.
Does a 69 Mustang have a horn relay?
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When alarm and horn went off a guy helped cut them off now horn clicks under dash?
When you, or your "helper" cut the horn, I assume you mean he cut the wires to the horn. If this is the case, the click you hear is the horn relay trying to send power to the horn which is now disconnected.
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When was Melissa Horn born?
Melissa Horn was born on 1987-04-08.
