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5
Connection Diagram
Fuse (30 A)
Fuse (30 A)
Grommet
Front side
Speaker output terminal
See the "Connecting the
Speaker wires" section
for speaker connection
instructions.
Fuse (30 A) × 1
5
6
Ground wire (black) [RD-223] (sold separately)
Connect to metal body or chassis.
Special red battery wire [RD-223] (sold separately)
After making all other connections at the amplifier,
connect the battery wire terminal of the amplifier to
the positive (+) terminal of the battery.
Connecting wires with RCA pin
plugs (sold separately).
External Output
If only one input plug is used, do not
connect anything to RCA input jack B.
Speaker input terminal
RCA output jack
Back side
System remote control wire (sold separately)
Connect the male terminal of this wire to the system remote control
terminal of the car stereo (SYSTEM REMOTE CONTROL). The
female terminal can be connected to the auto-antenna relay control
terminal. If the car stereo does not have a system remote control ter-
minal, connect the male terminal to the power terminal through the
ignition switch.
GM-X374/XR/UC
6
7
Amplifier with
RCA input
RCA input jacks
Car stereo with
RCA output jacks
RCA input jack B
RCA input jack A
Connecting wires with RCA pin
plugs (sold separately).
7
8
A
B
C
D
E
F
25
8
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