Sorry, I didn't see your signature, I looked for it, but didn't see it. Honest.
I remember a spring, I really do. But I cannot remember where the spring went. You are right, Clymers was no help. I checked the service manuel as well, it said nothing.
I did have alot of trouble with the little wires that fastened to the plate, between 8-9, they were broken and about as big around as a hair. A little solder was too much.
Try putting the little eraser thing in and before you put the cover on pull the handle, it should slide over to make the contact. It does not have to move a lot, but it will move. And the metal ends go down, to make contact on part 9. Of course, I have never put anything in backward or upside down myself.

I'm trying to help!