
You mean this bare wire thing?

This thing gets screwed in there. (Its what I saw when I took it apart.)
What about a paper clip and try shorting two of the contacts with that, no membrane.
Sorry but I'm super noob on this so I don't understand which "contacts" you are mentioning. Would it be something similar to jumpstarting a PSU without plugging it into a motherboard kind of?
And did you use water or something while cleaning the insides?
No took out the internals before I cleaned it meaning the layout and all the other stuff as well.