After serving one term in the 49th United States Congress, Fuller won the customary re-election that the district gave to incumbents, and served in the 50th United States Congress. However, in 1888 he found himself beaten for renomination by state senator Joseph H. Sweney, who had been spoken of as a possible candidate two years before.
Fuller went on to serve one term in the 49th U.S. Congress before winning the standard re-election that his district usually gave to its incumbents and continued serving in the 50th U.S. Congress. Nevertheless, in 1888 he lost his bid for renomination to state senator Joseph H. Sweney, who had been rumored as a potential candidate two years earlier.