 However, he again failed to break into the senior side and left the club in September 1979 without having played in a league game.His subsequent move to Blackpool proved more successful and it was there that he enjoyed the best spell of his playing career, featuring in 86 league matches over the following three seasons.After his release from Blackpool in 1982, Harrison had trial spells with both Preston North End and Burnley, where he made one appearance as a substitute in a Lancashire Senior Cup match, but was not offered a permanent deal by either club having sustained a serious injury at the time.