Kenwood KNA-G421 Installation Manual page 3

English
Optional accessory:
SD card
FM traffic receiver
Steps to Install the
KNA-G421
1. Remove the key from the vehicle's ignition
and disconnect the negative battery cable.
2. Install the GPS antenna. Refer to the tips
on the previous page.
3. Connect the wiring harness to your vehicle
in the following order: ground, battery,
ignition.
4. Connect the wiring harness to the
main unit.
5. Install the main unit. Refer to the tips on the
previous page.
6. Reconnect the negative battery cable.
CAUTION
If your vehicle'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 vehicle's
battery may die.
GPS antenna
WARNING
Do not connect the yellow wire
lead directly to the vehicle battery.
Connecting directly to the battery
may cause the wire insulation to
fail and may pose a risk of short
circuit and electric shock.
Light green
To parking brake
detection switch
Black
To vehicle chassis
2 A
Red
To ignition (12 V)
2 A
Yellow
To battery (12 V)
Installing the GPS antenna
Better (trunk
of vehicle)
To mount the GPS antenna inside your vehicle:
1. Clean your dashboard or other surface.
2. Peel the backing off of the adhesive on the bottom of the metal plate.
3. Press the metal plate down firmly on your dashboard or other
mounting surface. You can bend the metal plate to conform to a
curved surface, if necessary.
4. Place the GPS antenna on top of the metal plate.
To display unit (NAV I/F terminal)
WARNING
Be sure to connect the parking
brake wire to ensure safe
navigation.
Car fuse box
(main fuse)
Ignition key switch
Car fuse box
Best (roof of
vehicle)
Good (inside car
on dashboard)