yeah , your " On IT " , and removing at least ONE door panel like driver's side ( cause it's important ) , NOW your going with VStar's thinking too and you will ' work ' ALL mechanisms like inside handle , outside handle , lock-unlock whatever , and you'll see , per the diagram too , you'll see EXACTLY WHAT , AND WHERE the mishap is happening . You'll see it " LIVE & IN COLOR ". And you may put white Lith , WD whatever , THEN you check / recheck......... don't rush to put panel back on.
Now your an expert ?....... and you hit any other doors you like to remedy the problem
p.s. If not ? Then c'mon back here now , re-post and re-define the problem for more help ?