UK where are you based out of? US? So you do the work on the mirror? Can you modify an exsisting mirror, I have a honda civic with a mount to the roof.
Printable View
Got it!
http://i711.photobucket.com/albums/w...hoff/swith.jpg
Sorry for the crappy pic. That's the mute switch to the left of the CB. Works like a champ!