dashboard question dart swinger -71

hello! im new here on this site! :) i wondering if someone have any idee of what the problem is with my lights on the dashboard in my -71 swinger, im restauration? bought the lamps new and put them in ( everyone where broken an someone of the "lampholders" where missing) but still no light nowhere!? where to start? ( sorry for my perhaps bad language, im from sweden ) ;) :supz: