The integrated radio-telephone-navigatorP20is supplied directly (7 of connector A) from the battery via the line of the fuse F39 of the unit under the dashboardB2and maxifuse CPL ofB99.The supply to the side lights on reaches pin 4 of connector A See E2530 INSTRUMENT LIGHTING.Pins 1 and 3 of connector A receive the CAN line with which the radioP20is connected to the Body ComputerM1and the other nodes of the system.Pin 8 of connector A is earthed.The aerialP25is supplied from pin 5 of connector A. The aerial containing the GPS reception device is connected to the navigator module by means of the specific coaxial cable.Connector B sends out cables carrying signals to the speakers through which the voice messages are sent:The ''MODE'' buttons of theH10controls unit are supplied by the line (INT) protected by the fuse F39 of control unitB2, and send the command to the instrument panelE50, pin 16 of connector B.The instrument panelE50is in turn connected via the CAN network to the Body ComputerM1and the integrated radio-telephone-navigatorP20.