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Installation Guide (continued)
G
L
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locate the car's battery lead. Otherwise you may
carefully to avoid damaging the speakers and the
S
H
ignore this procedure. (The yellow battery lead pro-
stereo unit.
vides continuous power to maintain a clock, memory
35
storage, or other functions.)
The speakers used must be able to handle more
than 45 W of audio power. If using an optional
If your car has a radio or is pre-wired for one:
audio power, the speakers should be able to han-
With the ignition and headlights off, identify the car
dle the maximum amplifier output power. Speakers
battery lead by grounding one lead of the test bulb
with low input ratings can be damaged.
to the chassis and checking the remaining exposed
wires from the cut radio connector plug.
Speaker impedance should measure 4 - 8 Ω,
which is typically marked on most speakers. Lower
If your car is not wired for an audio unit :
or higher impedance speakers will affect output
Go to the fuse block and find the fuse port for the
and can cause both speaker and stereo unit dam-
battery, usually marked BAT.
age.
Speakers
Caution: Never ground the speaker cords. For
Identify the car speaker leads. There will be two
example, do not use a chassis ground system or a
leads for each speaker, usually color coded.
three-wire speaker common system. Each speak-
A handy way to identify the speaker leads and the
er must be connected separately using parallel
speaker they connect with is to test the leads using
insulated wires. If in doubt about how your car's
a 1.5 V AA battery as follows.
speakers are wired, please consult with your near-
Hold one lead against one pole of the battery and
est professional installer.
stroke the other lead across the other pole. You will
hear a scraping sound in a speaker if you are hold-
Motor Antenna
ing a speaker lead.
Connect the vehicle motor antenna lead to the
If not, keep testing different lead combinations until
blue motor antenna relay control lead.
you have located all the speaker leads. When you
label them, include the speaker location for each.
Battery
❏
Connect the yellow battery lead to the correct
Connect All Leads
radio wire or to the battery fuse port on the fuse
Now that you have identified all the wires in the
block.
car, you're ready to begin connecting them to the
stereo unit wires. The connection diagram (B
Antenna
Page 48) shows the proper connections and color
Connect the antenna by plugging the antenna lead
coding of the leads.
into the antenna receptacle.
We strongly recommend that you test the unit
before making a final installation.
Equipment
You can set the unit on the floor and make tempo-
Connect any optional equipment such as an DVD
rary connections to test the unit. Use electrical
video player according to the instructions fur-
tape to cover all exposed wires.
nished with the equipment. Read the operating
and installation instructions of any equipment you
Important: Connect the red power lead last, after
will connect to this unit.
you have made and insulated all other connec-
tions.
Power
Connect the red power lead to the correct car
radio wire or to the appropriate fuse port on the
Ground
fuse block.
Connect the black ground lead of the power con-
If the stereo unit functions properly with all these
nector to the metal car chassis.
connections made, disconnect the wires and pro-
ceed to the final installation.
Speakers
Connect the speaker wires. See the wiring dia-
gram for the proper hookups. Follow the diagram
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CA-TU7000U
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