 Eriksen was elected into the Norwegian parliament ("Storting") from the county of Vest-Agder in 2001.She was not re-elected in the 2005 elections, but took Jon Lilletun's seat upon his illness and later death.In 2009 she had the top spot on the party's ballot in Vest-Agder and

In 2012 Eriksen lost a fight for the top spot on the party's list for the 2013 Norwegian parliamentary election to Hans Fredrik Grøvan and will not be on the ballot at all.