interior lights not work

Newbie, here with an '07 that belonged to my recently deceased father-in-law. We're trying to decide whether to keep or sell -- it's a fun little car -- and taking care of some maintenance needs, regardless. Noticed that none of the interior lighting (except for the vanity lights) works...

I recently replaced the regulator on the passenger door of my 2003 convertible beetle, and everything was working fine. I noticed soon after the auto up on the drivers side window switch stopped, the interior lights from opening the passenger door, and the 1/2 inch drop of the window on...