[12] Grommet
[13] Amplifier with RCA input pin jacks
[14] RCA input
[15] Car stereo with RCA output pin jacks
[16] External Output
For details on how to connect to RCA
input jacks A and B, see the
“Connecting the Speakers and Input
wires” section.
If only input pin plug, do not connect
anything to RCA input jack B.
[17] White
[18] Red
[19] Connecting wires with RCA pin plugs
(sold separately)
[20] RCA input pin jack A, B
[21] RCA output pin jacks
[22] Blue
Connect the male terminal of this wire
to the blue wire of the car stereo
(system control terminal). The female
terminal can be connected to the auto-
antenna relay control terminal.
If the car stereo does not have a
system remote control terminal,
connect the male terminal to the power
terminal through the ignition switch.
[23] Speaker output terminal
See the “Connecting the Speakers and
Input wires” section for speaker con-
nection instructions.
Connecting the Power Terminal
• Always use the special red battery power
and ground wire [RD-222], which is sold
separately. Connect the special red
battery power cord directly to the car
battery and the black ground wire to the
car body. (The special red battery power
and ground wire [RD-222] are designed
so that the amplifier can be connected
safely.)
Pass the special red battery wire from the
engine compartment to the interior of the
vehicle.
Fig. 4
Connect the special red battery wire to the
POWER terminal (+), and the black ground
wire to the GND terminal (–).
Fig. 5 Fig. 6
• Securely fasten the special red battery
wire and the ground wires with terminal
screws.
Connecting the Speakers and Input
wires
The speaker output mode can be four-
channel, three-channel ( mono) or
two-channel (stereo, mono). To connect the
speaker wires to suit the mode. Connect the
speakers according to figures on following
pages.
POWER
terminal
Terminal
screw
Special red
battery wire [RD-222]
(sold separately)
GND
terminal
Ground wire
(black) [RD-222]
(sold separately)
Terminal
screw
Fuse
(30 A)
Insert the
O-ring rubber
grommet into
the vehicle body.
Drill an 8-mm
hole into the
vehicle body.
Interior of
the vehicle
Engine
compart-
ment
Special red
battery wire [RD-222]
(sold separately)
After making all
other connections
at the amplifier,
connect the battery
lead terminal of the
amplifier to the
positive (+) terminal
of the battery.
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