horn button help please

as i have said before electronic not my area at all so i am stuck i recently installed a grant steering wheel and bought the adaptor but since then my horn hasnt worked right idk how to make the horn work with the grant unless theres yet another peice ihave to buy from them . when i need to honk the way it works is i touch the blk wire to the steering wheel or bolts but does anyone know what i did wrong i cant put the wire where it says cause it constantly honks then. please help with ordering of the things or what i can do