6 | EnglishConnecting the ISO ConnectorThe pin arrangement for the ISO connectors depends on the type of vehicle you drive. Make sure to make theproper connections to prevent damage to the unit.The default connection for the wiring harness is described in 1 below. If the ISO connector pins are set asdescribed in 2 or 3, make the connection as illustrated.Please be sure to reconnect the cable as shown 2 below to install this unit to the Volkswagen vehicles etc.1 (Default setting) The A-7 pin (red) of the vehicle's ISO connector is linked with the ignition, and the A-4pin (yellow) is connected to the constant power supply.2 The A-7 pin (red) of the vehicle's ISO connector is connected to the constant power supply, and the A-4pin (yellow) is linked to the ignition.3 The A-4 pin (yellow) of the vehicle's ISO connector is not connected to anything, while the A-7 pin (red) isconnected to the constant power supply (or both the A-7 (red) and A-4 (yellow) pins are connected to theconstant power supply).Ignition wire (Red) A–7 Pin (Red)Battery wire (Yellow) Connect to a power source thatcan be turned on and off with theignition key.Unit VehicleIgnition wire (Red) A–7 Pin (Red)Battery wire (Yellow) A–4 Pin (Yellow)Unit VehicleIgnition wire (Red) A–7 Pin (Red)Battery wire (Yellow) A–4 Pin (Yellow)Unit VehicleConnector Function GuidePin Numbers for ISO Connectors Cable Colour FunctionsExternal Power ConnectorA–4 Yellow BatteryA–5 Blue/White Power ControlA–6 Orange/White DimmerA–7 Red Ignition (ACC)A–8 Black Earth (Ground) ConnectionSpeaker ConnectorB–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 (–)