He later served as Government Minister where he deployed a systematic plan for the destruction of prisons where human rights were being violated.
General Levoyer was the Southern Front Commander during the Paquisha War between Ecuador and Peru in 1981, where he led 25,000 soldiers.
César Augusto Alarcón Costta described his role in the war, saying: "He displayed an intense work in defense of territorial integrity and sovereignty of Ecuador in the Amazonia compared with the surrender of whom on October 26, 1998 subjected our country to the Peruvian claims imposed by force through the null Rio de Janeiro Protocol of January 29, 1942."
As a result, indigenous people for the first time entered the Palacio de Carondelet, not to pick up the ashes of cigarettes that left behind the so-called leaders of Ecuador, but to decide the Nation's future, indigenous peoples who later formed their own organization known as CONAIE and its political expression, the "Pachakutik political Party" that in XXI century evolved to become the Pachakutik Plurinational Unity Movement – New Country.
He served as President of OMIDELAC (Organization of Military for the Democracy, the Integration and the Liberation of Latin America and the Caribbean).
This organization played an important role in promoting democratic systems in Latin America and, in doing so, developed open and public activities such as to oppose to the Military dictatorship of Chile (1973–1990).
General Levoyer was a member and later President of FEGES (Fundación "Eloy Alfaro" de Estudios Geopolíticos y Estratégicos).