Does the LED light at the top of the rear windscreen still work?If not, and like you said you have checked the fuse/bulbs.....my guess would be the brake light swtich.If it does still work, then the switch must be ok - and the fault must be elsewhere.
Sharpo says: (16:57:39)to be honest i dont doubt that half ggti users have a shortcut on their desktop for sharpie's last posts
watch the sump ask guy he went over a some toilet paper and it carcked!!!!