how do i wire up a new enision to a honda ride on mower?

how do i wire up a new enision to a honda ride on mower ,the old one was not coneted so i dont know what wires go to what, I wired it so matching wires went into same socket nothing happened , but i dont know which wires go to the enision which has letters on 4 of the 5 turminols the letters are A B R S If someone could tell which wires go to which letter that would be a great help,the coluor of the wires leading from the socket are white, black/yellow, black, black/red, black/white