Kenwood KDC-MP4023 Instruction Manual

— 25 —— 25 —The use of any accessories except for those provided might result indamage to the unit. Make sure only to use the accessories shipped withthe unit, as shown above.1. To prevent a short circuit, remove the key from the ignition anddisconnect the - battery.2. Make the proper input and output wire connections for each unit.3. Connect the speaker wires of the wiring harness.4. Connect the wiring harness wires in the following order: ground,battery, ignition.5. Connect the wiring harness connector to the unit.6. Install the unit in your car.7. Reconnect the - battery.8. Press the reset button.If you connect the ignition wire (red) and the battery wire (yellow)to the car chassis (ground), you may cause a short circuit, that inturn may start a fire. Always connect those wires to the powersource running through the fuse box.• If your car's ignition does not have an ACC position, connect theignition wires to a power source that can be turned on and offwith the ignition key. If you connect the ignition wire to a powersource with a constant voltage supply, as with battery wires, thebattery may die.• If the console has a lid, make sure to install the unit so that thefaceplate will not hit the lid when closing and opening.• If the fuse blows, first make sure the wires aren’t touching tocause a short circuit, then replace the old fuse with one with thesame rating.• Insulate unconnected wires with vinyl tape or other similarmaterial. To prevent a short circuit, do not remove the caps onthe ends of the unconnected wires or the terminals.• Connect the speaker wires correctly to the terminals to whichthey correspond. The unit may be damaged or fail to work if youshare the - wires or ground them to any metal part in the car.• When only two speakers are being connected to the system,connect the connectors either to both the front output terminalsor to both the rear output terminals (do not mix front and rear).For example, if you connect the + connector of the left speakerto a front output terminal, do not connect the - connector to arear output terminal• 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.2CAUTION2WARNINGInstallation Procedure.........11 35External view......... Number of itemsExternal view......... Number of items.........44.........22.........4.........1Accessories