Wiring - Boss Audio Systems MGR300B User Manual And Quick Installation Manual

Wiring

See the section "Installation precautions" on page 2.
Disconnect the negative terminal of the vehicle battery prior to wiring.
Connect the unit to a 12V DC battery and negative ground only.
Connect speaker wires to speakers with 4 - 8 Ω .
Never ground or short the speaker wires.
Insulate all bare wires and unconnected wires with electrical tape.
To the accessory
power switch
10A fuse
Metal part of the vehicle
Red (Ignition wire)
Yellow (Battery wire)
Ground wire
Black
White
White/Black
Gray
Gray/Black
Green
Green/Black
Violet
Violet/Black
Antenna jack
AUX IN
Black
RCA OUT
Gray
USB port
REMOTE OUT
Blue
6
To front left speaker
To front right speaker
To rear left speaker
To rear right speaker
To radio antenna
To an audio output on
a playback device
To an audio input on
an amplifier or signal
processor
Charging port, or to
a USB device for
audio media play
To the power terminal
on an amplifier