The index is a huge mess right now! I gotta get busy cleaning house...
Anyways, here try this one: http://www.cyclehuttktm.com/
at the top of the page is OEM Parts, click there
then choose the year and enter a model in the search criteria and it will give you some results that you can choose the bike you want
that site will also have the tripmaster switch, 950/LC4 link on the left: