To repair the horn on a Mitsubishi Lancer 2004 you should take your vehicle to the mechanic. You can also take it to the accredited dealer in the same.
Check your car for a bad or blown horn rlay.
the horn sticks when the car is started
How do you disable the horn on a 2006 Mitsubishi Eclipse?
on the steering wheel
you need to replace you horn it is bad
repair horn
Horns generally can not be repaired but replaced. On a 2001 Mitsubishi Eclipse the horn is located inside the front bumper. To replace it disconnect the mounting bolts and remove it. Replace with a new horn.
A horn wiring diagram of a 2001 Dodge Durango can be found in a service repair manuals. The service repair manual will also show step by step how to properly remove the horn.
horn location for 2004 ford explorer
There does not seem to by any way to repair the horn, the airbag has to be replaced.
for Mitsubishi Magna TJ 2001 ... the horn is located under the bonnet .. on the driver side .. it is close to the container containing wash wiper liquid.... hope fully is helps
the horn accuator on the steer. wheel just completes the 12v signal from the battery to the horn system. the problem could lie in the horn accuator contact not releasing from the horn activator contact within the horn actuator assembly within the steerng wheel. remove the accuator assembly on the s-w , check for a 'LOOSE WIRE'. there might be a "FUSED" contact. if wiring checks out "ok",put fuse in and check to see if horn stays on. if not, the problem is here. repair as necessary. if not here, a long process of tracking the wiring to the horn will be required here to find a possible short,. or possibly an open circuit