90Connection instructionsC1 C2BAntennasocketC3AConnection instructionsWarning. Terminal 30 and Terminal 15 must always beconnected separately, otherwise increased power consumption willoccur when the unit is switched off. Connection socket A is not thesame for all vehicle types. Therefore, always measure voltagesbefore installation.Socket A1 Speed Signal (GAL)2 Not assigned3 Telephone mute / clearing function4 Permanent positive (Terminal 30)5 Control output for automatic antenna / amplifier6 Illumination (Terminal 58)7 Switched positive (Terminal 15)8 Earth (Terminal 31)Socket B1 Loudspeaker right rear +2 Loudspeaker right rear -3 Loudspeaker right front +4 Loudspeaker right front -5 Loudspeaker left front +6 Loudspeaker left front -7 Loudspeaker left rear +8 Loudspeaker left rear -Socket C11 LineOut left rear2 LineOut right rear3 AF Earth4 LineOut left front5 LineOut right front6 Subwoofer LineOutSocket C27-12 Specific connection for Becker CD changerSocket C313 AF – telephone input14 Earth – telephone input15-17 Specific connection for Becker CD changer18 CD AF earth (AUX)19 CD AF left (AUX)20 CD AF right (AUX)