KDC-MP4029/MP4029G/MP3029/3029/2029
28 | English

Accessories/ Installation Procedure

Accessories
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2
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4
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5
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Installation Procedure
1. To prevent a short circuit, remove the key from
the ignition and disconnect 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.
2WARNING
If you connect the ignition wire (red) and the battery wire
(yellow) to the car chassis (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.
• If the power is not turned ON (or it is ON, but will be OFF
immediately), the speaker wire may have a short-circuit
or touched the chasis of the vehicle and the protection
function may have been activated. Therefore, the speaker
wire should be checked.
• If your car’s ignition does not have an ACC position,
connect the ignition wires to a power source that can be
turned on and off with the ignition key. If you connect
the ignition wire to a power source with a constant
voltage supply, as with battery wires, the battery may die.
• If the console has a lid, make sure to install the unit so
that the faceplate will not hit the lid when closing and
opening.
• If the fuse blows, first make sure the wires aren’t touching
to cause a short circuit, then replace the old fuse with
one with the same rating.
• Insulate unconnected wires with vinyl tape or other
similar material. To prevent a short circuit, do not remove
the caps on the ends of the unconnected wires or the
terminals.
• Connect the speaker wires correctly to the terminals to
which they correspond. The unit may be damaged or fail
to work if you share 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 terminals or to both the rear output terminals
(do not mix front and rear). For example, if you connect
the + connector of the left speaker to a front output
terminal, do not connect the - connector to a rear
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.