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18
Installation Guide continued)
Antenna Motor
If your car is equipped with an automatic
power
antenna, identify the car motor antenna lead by con-
necting one bulb tester lead to the car battery lead
and touching the remaining exposed wires from the
cut radio connector plug one at a time. You will hear
the antenna motor activate when you touch the cor-
rect wire.
Antenna
The antenna lead is a thick, black wire with a metal
plug at the end.
(4 Connect All Leads
Now that you have identified all the wires in the car,
you're ready to begin connecting them to the stereo
unit wires. The connection diagram (= Page 23)
shows the proper connections and color coding of
the leads.
We
strongly
recommend
that you
test the unit
before making a final installation.
You can set the unit on the floor and make tempo-
rary connections to test the unit. Use electrical tape
to cover all exposed wires,
Important: Connect the red power lead last, after
you have made and insulated all other connections.
Ground
Connect the black ground lead of the power connec-
tor to the metal car chassis.
Speakers
Connect the speaker wires. See the wiring diagram
below for the proper hookups. Follow the diagram
carefully to avoid damaging the speakers and the
stereo unit.
The speakers used must be able to handle more
than 40 watts of audio power.
If using an optional
audio amplifier, the speakers should be able to han-
dle the maximum amplifier output power.
Speakers
with low input ratings can be damaged.
Speaker impedance
should measure
4 - 8 ohms,
which is typically marked on most speakers. Lower
or higher impedance speakers will affect output and
can cause both speaker and stereo unit damage.
CQ-R235U
Caution:
Never ground the speaker cords.
For
example, do not use a chassis ground system or a
three-wire speaker common system. Each speaker
must be connected separately using paralle! insulat-
ed wires. If in doubt about how your car's speakers
are wired, please consult your nearest professional
installer.
CORRECT
No Common Ground
INCORRECT
Common Chassis Ground
INCORRECT
Speaker Common
(common earth lead)
Motor Antenna
Connect
the car motor antenna
lead to the blue
motor antenna relay control lead.
Battery
Connect the yellow battery lead to the correct radio
wire or to the battery fuse port on the fuse block.
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