He lived at different times in Dunedin and Milton and entered politics, contesting a number of elections and representing the Tokomairaro electorate in the provincial council.
[2] He contested the 1860 election in the Town of Dunedin electorate, losing to Thomas Dick and Edward McGlashan.
[1][19] He stood in the Waihola electorate for the Otago Provincial Council in May 1863[19] and was defeated by Alexander Mollison by a single vote.
[20] When John Lillie Gillies resigned from the Tokomairaro electorate (i.e. the area around Milton) of the Otago Provincial Council, Dyer contested the election against Thomas Murray and was successful.
[23] Dyer moved to Dunedin in his later life and lived in Cumberland Street (now part of State Highway 1).