The radio P20 is supplied directly (4 of connector A) from the battery via the line protected by fuse F23 of the engine compartment junction unit B001 .Pins 1 and 3 of connector A are served by the CAN that connects the radio to the Body Computer M001 (pins 24 and 25 of connector H) and to the other system nodes. Pin 8 of connector A is earthed.The radio P020 is connected, via the CAN, to the radio controls on the steering wheel in the steering wheel control unit M093 - pins 1 and 5 - via the clock spring D047 (pins 3 and 4).The aerial P025 is connected to the radio by means of the special coaxial cable.Connector B of P020 is connected to the speakers:- pins 5 and 6 to the driver''s front speakers P035 (mid-woofer) and P045 (tweeter);- pins 3 and 4 to the passenger front speakers P036 (mid-woofer) and P046 (tweeter);- pins 7 and 8 to the left rear speaker P040;- pins 1 and 2 to the right rear speaker P041.The cables connected to the CD Changer P075 come out of connector E.The cables connected to the telephone preparation come out of connector D. See E3580 PREPARATION FOR CELLULAR TELEPHONE