Installation / ConnectionBasic Procedure1 Remove the key from the ignition switch, then disconnectthe terminal of the car battery.2 Make proper input and output wire connections.3 Install the unit to your car.4 Reconnect the terminal of the car battery.5 Reset the unit.WarningThe unit can only be installed in a car with a 12 V DC power supply, negativeground.If you connect the ignition wire (red) and the battery wire (yellow) to the carchassis (ground), you may cause a short circuit, that in turn may start a fire.Always connect those wires to the power source running through the fuse box.Disconnect the battery’s negative terminal and make all electricalconnections before installing the unit.Insulate unconnected wires with vinyl tape or other similar material. Toprevent a short circuit, do not remove the caps on the ends of theunconnected wires or the terminals.Be sure to ground this unit to the car’s chassis again after installation.If the power is not turned ON, the speaker wire may have a short-circuit ortouched the chassis of the vehicle and the protection function may havebeen activated. Therefore, the speaker wire should be checked.CautionIf your car’s ignition does not have an ACC position, connect the ignitionwires to a power source that can be turned on and off with the ignition key. Ifyou connect the ignition wire to a power source with a constant voltagesupply, as with battery wires, the battery may die.Install this unit in the console of your vehicle. Make sure the faceplate willnot hit the lid of the console (if any) when closing and opening.After the unit is installed, check whether the brake lamps, blinkers, wipers,etc. on the car are working properly.Mount the unit so that the mounting angle is 30° or less.If the fuse blows, first make sure the wires are not touching to cause a shortcircuit, then replace the old fuse with one that has the same rating.When only two speakers are being connected to the system, connect theconnectors either to both the front output terminals or to both the rearoutput terminals (do not mix front and rear).Mounting and wiring this product requires skills and experience. Forsafety’s sake, leave this work to professionals.If you experience problems during installation, consult your Nakamichidealer.Connect the speaker wires correctly to the terminals to which theycorrespond. The unit may be damaged or fail to work if you sharethe wires or ground them to any metal part in the car.Wiring ConnectionISO Connector Wiring ChartPin Color and function Pin Color and functionA5A4A8A7YellowBlackRedBlue Connect to system controlof the power AMP or auto antennarelaycontrol terminal(Max 150MA 12VDC)terminalBattery(+)Ignition(ACC)GroundB1/B2B3/B4/ Violet/BlackViolet +/ Grey/BlackGrey +/ White/Black/ Green/BlackWhiteGreen++B5/B6B7/B8Right rear speakerRight front speakerLeft front speakerLeft rear speakerFUSESUB-W VIDEOREARLRFM/AM Antenna SocketAntenna Jack n( ot included)1234567845 78ABISO ConnectorSubwoofer OutputVideo OutRear RCA Output (Left)Rear RCA Output (Right)4 EN