Kevin Cook, aged 45, of Essex, has told ITV News Jimmy Savile abused him after he appeared on Jim'll Fix It aged nine.
He said: "He made some threats to me, telling me not to tell anybody. I was just so scared. He told me no-one would believe me and that he knew where I lived."
He added: "I feel like a new man now I have told somebody. A weight has been lifted off my shoulders."
Watch the full interview with Kevin Cook on the ITV Evening News at 6.30pm.
DJ Dave Lee Travis today denied any wrongdoing after his arrest, and stressed that allegations against him had "nothing to do with kids".
DJ Dave Lee Travis has been taken "off air with immediate effect" by radio station Magic AM following his arrest.
Former Radio 1 disc jockey Dave Lee travis arrested by Jimmy Savile police