In 1970 he stood as the PPS candidate for mayor of Durango.
He also stood as candidate for parliament on behalf of the PPS in several elections.
Between 1970 and 1975 he was an alternate Central Committee member of PPS.
[1] He left PPS and joined the Mexican People's Party (PPM), in which he became an Executive Committee member.
He was elected to parliament in 1979 as a candidate of the Leftist Coalition Party.