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CQ-R221U
22
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13
Installation Guide
continued
❏
Required Tools
You'll need a screwdriver, a 1.5 volt AA battery,
and the following:
❏
Dashboard Specifications
plug (leaving the leads as long as possible) so
that you can work with individual leads.
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.
If 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
Identilfy the car speaker leads. There will be two
leads for each speaker, usually color coded.
THICKNESS
MIN. 3/16" (4.75 mm)
MAX. 7/32" (5.56 mm)
7-5/32" (182mm)
2-3/32" (53 mm)
❏
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 as follows.
Power Lead
If your car has a radio or is pre-wired for one:
Cut the connector wires one at a time from the
12 V DC
TEST BULB
ELECTRICAL
TAPE
SIDE-CUT
PLIERS