38 | KDV-5244U/ KDV-5544U/ KDV-4244/ KDV-4544Connector Function GuidePin Numbers forISO ConnectorsCable Colour FunctionsExternal PowerConnectorA-4 Yellow BatteryA-5 Blue/White Power ControlA-7 Red Ignition (ACC)A-8 Black Earth (Ground)ConnectionSpeakerConnectorB-1 Purple Rear Right (+)B-2 Purple/Black Rear Right (–)B-3 Gray Front Right (+)B-4 Gray/Black Front Right (–)B-5 White Front Left (+)B-6 White/Black Front Left (–)B-7 Green Rear Left (+)B-8 Green/Black Rear Left (–)2WARNINGConnecting the ISO ConnectorThe pin arrangement for the ISO connectors depends onthe type of vehicle you drive. Make sure to make the properconnections to prevent damage to the unit.The default connection for the wiring harness is described in1 below. If the ISO connector pins are set as described in 2,make the connection as illustrated.Please be sure to reconnect the cable as shown 2 below toinstall this unit to the Volkswagen vehicles etc.1 (Default setting) The A-7 pin (red) of the vehicle’sISO connector is linked with the ignition, andthe A-4 pin (yellow) is connected to the constantpower supply.Unit VehicleA-7 Pin (Red)A-4 Pin (Yellow)Ignition cable (Red)Battery cable (Yellow)2 The A-7 pin (red) of the vehicle’s ISO connector isconnected to the constant power supply, and theA-4 pin (yellow) is linked to the ignition.Unit VehicleA-7 Pin (Red)A-4 Pin (Yellow)Ignition cable(Red)Battery cable(Yellow)Connecting Wires to Terminals