cobb ap

I've had a few strange electrical gremlins over the past few weeks - mostly relating to the A/V system, but with a few alarm incidents thrown in too. The issues are intermittent and include: CD & MusicBox not recognised (Disc button does nothing & Source button on steering wheel skips CD/MB)...

What 'safety' mods have you done? eg brakes, gearbox. I ask because the work John is doing is, pushing me closer and closer to the 'dark side' but i'm still a risk averse person (or tight b*stard if you like), and so would like to make sure i'm covered in terms of most likely failure points in...