check the fuse
Fuse? check your fuse box for the fuse indicated "horn" remove and replace if neccessary. if fuse is not the problem, check wiring to horn under the hood in the engine compartment.
Need to know how to fix the horn on a 1997 mazda millenia that doesn't work?
a blown fuse.
Check the actual horn. Clean the contact points and apply dielectric grease to the contact points. Test the horn for resistance. Check the horn relay.
You have to determine the cause first. Check the horn switch and contacts, fuse, relay and the horn itself.
Blown fuse would be a Starting Point. Hope This Helps.
a dead battery
You need to check the fuse in the fuse panel or the horn relay in the power distribution box under the hood
A blown fuse or a damaged computer would cause the turn signals, interior lights, and door locks not to work in the Mazda 3. The fuses are located under the dash on the driver's side of the car.
Fuse.
cause you farted on it
The fuse. A shorted horn can cause the fuse to break.