I have a 2003 Mazda Protege, the horn sound really horrible, do I need to replace it or how can I fix it, thank you.
Some horns, more specifically the older ones, have an adjustment screw which allows you to change the tone. It is usually a screw with a lock nut and very little adjustment makes a sonsiderabledifference to the sound. The location of the horn and the type and tightness of the brackets make a difference to the sound as well. Try taking a lead straight from the battery to the horn and see if the sound improves, if it does, replace the horn relay. If nothing helps you will have to replace the horn, but be careful, some after sales horns could sound worse than the original supplied equipment.
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