To start with I have Carbon Cub #275 with Executive Panel.
I bought a Garmin GDL 393D ADS-B at Oshkosh along with a cable to connect to my Garmin GDL-375. Since this is a bare wire cable I felt more comfortable letting my Avionics guy install it. I was pleasantly surprised to find the correct cable already installed and coiled up behind my panel. All I had to do was cut the zip tie and connect it to the GDL39 3D. By the way the GDL39 sits perfectly on the floor between the rudder pedals. Velcro holds it in place nicely. 5 minute installation. I'll post a pic of mine soon.
I highly recommend the Garmin GDL39 3D. I get weather and traffic on my Garmin. Love it! As an added bonus I really like Garmin Pilot on my iPad. I've used Foreflight for years but after only a few days Garmin Pilot seems much more intuitive. Will keep the iPad tucked away as back-up or to play with on extended trips.
The picture is a screen shot taken from my iPad today. Didn't think to take a screen shot of my 375 but will soon and post.
David Morris
Carbon Cub #275