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Q Identify All Leads
The first step in installation is to identify all the car
wires you'll use when hooking up your sound system.
As you identify each wire, we suggest that you label it
using masking tape and a permanent marker. This will
help avoid confusion when making connections later.
Note: Do not connect the power connector to the
stereo unit until you have made all connections. If there
are no plastic caps on the stereo hooking wires, insulate
all exposed leads with electrical tape until you are ready
to use them. Identify the leads in the following order.
Power Lead
If your car has a radio or is pre-wired for one:
Cut the connector wires.one at a time from the plug
(leaving the leads as long as possible) so that you can
work with individual leads.
SS
Turn the ignition on to the accessory position, and
ground one lead of the test bulb to the chassis.
Touch the other lead of the test bulb to each of the
exposed wires from the cut radio connector plug. Touch
one wire at a time until you find the outlet that causes
the test bulb to light.
Now turn the ignition off and then on. If the bulb also
turns off and on, that outlet is the car power lead.
tf your car is not wired for an audio unit:
Go to the fuse block and find the fuse port for radio
(RADIO), accessory (ACC), or ignition (IGN).
Battery Lead
If your stereo unit has a yellow lead, you will need to
locate the car's battery lead. Otherwise you may ignore
this procedure. (The yellow battery lead provides
continuous power to maintain a clock, memory storage,
or other function.)
If your car has a radio or is pre-wired for one:
With the ignition and headlights off, identify the car
battery lead by grounding one lead of the test bulb to
the chassis and checking the remaining exposed wires
from the cut radio connector plug.
If your car is not wired for an audio unit:
Go to the fuse block and find the fuse port for the
battery, usually marked BAT.
Speakers
Identify the car speaker leads. There are two leads for
each speaker which are usually color coded.
A handy way to identify the speaker leads and the
speaker they are connected with is to test the leads
using a 1.5 V AA battery as follows.
Hold one lead against one pole of the battery and stroke
the other lead across the other pole. You will hear a
scraping sound in one of the speakers if you are holding
a speaker lead.
If not, keep testing different lead combinations until you
have located all the speaker leads. When you label them,
include the speaker location for each.
Antenna
The antenna lead is a thick, black wire with a metal plug
at the end.
J Connect All Leads
Now that you have identified all the wires in the car, you
are ready to begin connecting them to the stereo unit
wires. The wiring diagram (= page 28) 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 temporary
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 connector
to the meta! car chassis.
CQ-R253U
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