Uh, what is this?

[swathdiver]

That's what I thought too, looks like I was wrong as well. That grommet is where I snuck my power cord through from the battery to my amp.

It was a little further back then mine but forgot those older ones still had drive by wire.

 

[JonnyTahoe]

I pulled up my carpet and saw this with water all around it. Is this the sunroof drain line?

View attachment 237314

Mine did the same thing after a few days of heavy rain last fall. I ended up removing a good size chunk of insulation that was soaked.