You Don’t Know What You’ve Got ‘Til It’s Gone Many of us didn’t fully appreciate the TCCN until it was no longer available. TCCN had become, for many users, the best place to learn about our classic Cougars and to get the technical information needed to fix the most common problems. And even if your car didn’t have a problem today it served as a wonderful place to while away the hours thinking about all of the things you might someday want to do to your Cougar.