Connection Diagram - Pioneer GM-X642 Owner's Manual

Connection Diagram

Grommet
Fuse (25 A)
Speaker terminal.
See the "Connecting the
Speaker wires" section for
speaker connection
instructions.
Fuse (30 A)
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.
Fuse (30 A)
Ground wire (black) [RD-223] (sold separately).
Connect to metal body or chassis.
Front side
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
terminal, connect the male terminal to the power terminal through the
ignition switch.
RCA input
Connecting wires with RCA pin
plugs (sold separately).
External Output
RCA input jack
Amplifier with
RCA input jacks
Car stereo with
RCA output jacks
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