Remote Playback Device
The remote playback device is either installed at the factory or in some instances it is dealer installed. There are three types of remote playback devices, a multi disc remote CD changer, a single disc CD player and a cassette player. All three devices have a wiring harness which plugs into the back of the radio.The radio controls and communicates with the remote playback device through a Entertainment and Comfort (E&C) or Class 2 communication circuit.