2 questions for you guys

1. Does anyone know where the cd switch box is? Rave says it's by passenger compartment fuse box but I can't find it, fully aware that is probably user error...

2. While searching for said switch box I found his connection just hanging. Any idea what it belongs to?

Thanks for the help

 

It should be below the steering column somewhere, so i'd imagine it's right behind the panel in front of the drivers feet.