He was a member of the Taiwan Solidarity Union for most of his two-term stint in the Legislative Yuan and served the party as its acting chairman from December 2004 to January 2005.

[1][2] Huang represented the newly founded Taiwan Solidarity Union in the 2001 legislative elections,[3] during which he was ranked first on the party's closed list.

[1][12] In his stint as chairman, Huang attempted closer collaboration with the Democratic Progressive Party on electoral strategy and policy proposals.

[13][14] Huang declared support for Ker Chien-ming's candidacy for President of the Legislative Yuan,[15] later joining the ticket as the Pan-Green Coalition's nominee for deputy speaker.

[19][20] Huang is opposed to the economic integration of Taiwan and China,[21][22] stating that, if made, such links must place both countries on equal ground.