Hyde began his coaching career at Redlands in 1962 as coach of the freshman football team. In 1963 and 1964, he served as
defensive coordinator at
Norte Vista High School in
Riverside, California. Hyde returned to Pasadena City College in 1965 as an assistant football coach and faculty member. After spending 1967 as an assistant coach at the
University of Hawaiʻi, Hyde returned once again to Pasadena City, where was co-head coach with
Myron Tarkanian in 1968 and 1969. He remained at Pasadena City as an assistant from 1970 to 1978 before being elevated to head coach in 1979. Hyde was at one point a candidate for the vacant head coaching position at
Arizona State. However, it was later discovered the Rebels had used ineligible players and the Pacific Coast Athletic Association (now
Big West Conference) had the Rebels forfeit all the wins from the 1983 and 1984 seasons, though the wins were not stricken from
NCAA and UNLV records. Although none of the ineligible players were used in the
bowl game, the California Bowl was among the games forfeited. Among his coaching staff was future
Fresno State head coach
Pat Hill. Things became more difficult for the embattled coach, as nine of his players got involved in various scrapes with the law ranging from theft to assault. Finally, on April 23, 1986, Hyde was fired by Maxon with three years left on his $62,500-a-year contract, which the university said it would honor. One of his assistant coaches,
Wayne Nunnely, was named interim head coach through the
1986 season, before being chosen as his permanent successor. His firing marked a period of decline for the Rebels that lasted for over three decades. Their tenure would only last one season as Allen died just after the end of the regular season, in part due to weak health after his players drenched him with ice water to celebrate a season-ending victory over UNLV. In interviewing to be the permanent head coach of Long Beach State, a program which was under financial duress, Hyde offered radical ideas of having the team play only road games, recruit only
junior college players and use only one set of uniforms; he was not selected and the program only lasted one more season before finally shutting down. ==After coaching==