Seattle has two street car routes
One street car runs along First Hill. From bus route 7 you’ll want the stop at S Jackson & 12th Ave S, or from light rail line 1 you’ll want the International District/Chinatown station
One street car runs along South Lake Union. From bus route 7 you’ll want the stop at 3rd Ave & Pike St. From light rail line 1 you’ll want the Westlake station