13ENGLISH |FRONTR LREAR/SWR LREAR/SWKDC-4557UKDC-4057UBKDC-4057URKDC-3457UQKDC-3057URKDC-3057UGKDC-3057URYKDC-317URKDC-3257URYKDC-3357UYREMOTE CONTSTEERING WHEELREMOTE INPUTMUTEP. CONTANT CONTWiring connection Part list for installationFuse (10 A)Antenna terminal( ×2 )( ×1 )( ×1 )( ×1 )( ×1 )A FaceplateB Mounting sleeveC Trim plateD Wiring harnessE Extraction keyLight blue/yellow(Steering remote control wire)(Except for KDC-3457UQ ):To the steering wheel remote control adapterBlue/White(Power control wire/ Antenna control wire)Brown(Mute control wire)To the power control terminal when using the optional power amplifier, or to the antennacontrol terminal in the vehicle.To the terminal that is grounded when either the telephone rings or during conversation.(To connect the Kenwood navigation system, consult your navigation manual.)Yellow (A4)Red (Ignition wire)Red (A7)Yellow (Battery wire)Pin Color and functionA4A5A7A8Yellow : BatteryBlue/White : Power controlRed : Ignition (ACC)Black : Earth (ground) connectionB1 / B2B3 / B4B5 / B6B7 / B8Purple ª / Purple/black · : Rear speaker (right)Gray ª / Gray/black · : Front speaker (right)White ª / White/black · : Front speaker (left)Green ª / Green/black · : Rear speaker (left)ISO connectorsConnecting the ISO connectors on some VW/Audi or Opel (Vauxhall) automobilesYou may need to modify the wiring of thesupplied wiring harness as illustrated below.Unit VehicleA7 (Red)Ignition wire(Red)A4 (Yellow)Default wiringBattery wire(Yellow)If no connections are made, do not let the wire come out from the tab.Rear/subwoofer outputRear/subwoofer outputFront output