As most of you know there has only been two CD changer sockets at the rear of Lexus/Toyota heads units. Both are 12 pin the older larger 5+7 pin, and the later smaller 6+6 pin version: These sockets are used nowadays for USB/Bluetooth/SD/AUX adapters from various companies like Connects2, Grom, Xcarlink, Yatour, Dension, etc. The one issue I have noticed, is that a couple of posts have stated that the CD changer socket the rear has on 10 pins (5+5), instead of the usual 12 (6+6) p