Fuse 2 goes to the Emergency flasher switch, or 4 way flashers.
Fuse 9 is the left front turn signal, 10 is the right front turn signal.
The rear fuse panel is mounted with 3 at the top and 1 at the bottom. 25A is for rear defroster.
Jstobo, in Post 9 in this thread explains the speed switch.
http://forums.pelicanparts.com/porsche-911-technical-forum/697479-70t-part-identification.html
http://forums.pelicanparts.com/porsche-911-technical-forum/742815-need-some-easy-fuse-panel-wiring-help.html