43If no connections are made, do not let the cable comeout from the tab.Connect to the terminal that is grounded when either the telephone rings orduring conversation.Connect either to the power control terminal when using the optional poweramplifier, or to the antenna control terminal in the vehicle.TEL mute cable (Brown)To connect the KENWOOD navigation system, consult your navigationmanual.External amplifier control cable (Pink / Black)To "EXT.AMP.CONT." terminal of the amplifier having the external amp controlfunction.Power control/ Motor antenna control cable(Blue/White)Connection cable(Provided with the KTC-V500E)KTC-V500E (Optional)Connecting 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.2WARNING1 (Default setting) The A-7 pin (red) of the vehicle's ISO connector is linked with the ignition, and the A-4 pin(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-4 pin(yellow) is linked to the ignition.Unit VehicleIgnition cable (Red)Battery cable (Yellow) A–7 Pin (Red)Connect to a power source that can beturned on and off with the ignition key.Unit VehicleIgnition cable (Red)Battery cable (Yellow)A–7 Pin (Red)A–4 Pin (Yellow)Unit VehicleIgnition cable (Red)Battery cable (Yellow)3 The A-4 pin (Yellow) of the vehicle's ISO connector is not connected to anything, whilst 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).A–7 Pin (Red)A–4 Pin (Yellow)To car chassisGround wire (Black)·Remove the protective sheet on the blackconnector before the KTC-V500E is connected.