Wood ran for the Ontario legislature in the provincial election of 1990, placing third in London South against incumbent Liberal Joan Smith and the winner, New Democrat David Winninger.
[2] In the provincial election of 1999, he was re-elected over Liberal candidate Darrel Skidmore by only 294 votes in the redistributed riding of London West.
He supported the Reform Party of Canada at the federal level, and holds socially conservative opinions on several issues, including abortion.
During his first term in the legislature, he introduced a private-member's bill which would have mandated a 45-day waiting period for couples wishing to marry, unless they agreed to eight hours of counselling.
He also criticized a government grant to Anti-Racist Action in 1999, describing the group as a leftist organization given to violence.