I have searched all the old posts I could find, but none seemed to relate to my question. I have a 1984 190E that didn't come with front dash speakers. I have installed a Blaupunkt CD receiver and upgraded the rear speakers to 4" Pioneers, but when I wanted to install the front speakers, there's a cardboard layer, with a circular cut-out.

Before I cut this board, does anyone know if the speaker wire or connector is there? I want to preserve the connections to the built-in fader.

Regards,

Egdares Futch