I Am Disabled And Need Help Repairing My Dishwasher Please.

Everything Works Fine But........

When I Select Start....(start Area)..... It Wont Start!!!

I Took It Apart Lol.... And I See The
Spring And Plunger Doesn't Stay In Place That Makes It Start When I Close The Door.

Is This All I Need To Get It Working Again????
What Holds Those In Place To Make It Work When I Close The Door????

What Other Parts Do I Need????

Please Someone Advise.

God Bless And Thank You From This Old Greek Woman Trying To Repair Her Dishwasher.

No Money To Buy A New One :(