Okay we this time it will make the horn/bike Horn can pull out 2 sounds alternately (as we want). Okay,,,, I mean here making the horn instead of a speakers horn. How it works,, typing a lamp off the horn's sound will be different.

Main ingredients:
1. Extra Horn Spiker
2. Relay 5pin
3. Cable to taste.

For the assembly I suppose it is obvious, if not yet please pause the scheme section.

Okay,,,, only this I can share hopefully inspiring.