Ahaligah was first elected as the member of parliament for the Afram Plains South constituency in the 2004 Ghanaian general elections. He thus represented the constituency in the fourth parliament of the fourth republic of Ghana. He was elected with 13,312 votes out of 22,385 total valid votes cast. This was equivalent to 60.8% of the total valid votes cast. He was elected over Anthony Adongo of the New Patriotic Party. He obtained 8,773 votes out of the total valid votes cast, equivalent to 39.2% of the total valid votes cast. Ahaligah was elected on the ticket of the National Democratic Congress. His constituency was a part of the 22 constituencies won by the National Democratic Congress in the Greater Accra region in that elections. In all, the National Democratic Congress won a total 94 parliamentary seats in the fourth parliament of the fourth republic of Ghana.
Personal life
Ahaligah is married and has ten children. He is a Christian and a member of the catholic church.