Wiring Harness
Wire Function
Wire Color/
Label
Notes
Ground (-)
Black
Connects to the power source (
).
Power (+)
Yellow
Connects to the power source (
).
Ignition
Red
Connects to the power source (
).
Amplifier on
Blue
Connects to an optional external amplifier to turn on he amplifier when
the stereo turns on.
A connected amplifier must use the same ground (-) as the stereo for this
signal wire to function correctly.
Dim
Orange
Connects to the boat's illumination wire to dim the stereo screen when
the boat's lights are on.
The gauge of the illumination wire must be suitable for the fuse supplying
the circuit it is connected to.
Speaker left (+) White
Speaker left (-)
White/black
Speaker right (+) Gray
Speaker right (-) Gray/black
Line out (left)
Line out (right)
ZONE 1 LINE
OUT
Provides output to an external amplifier, and is associated with the
volume control for zone 1.
Subwoofer out
SUB OUT
Provides a single, mono output to a powered subwoofer or subwoofer
amplifier. A connected subwoofer is associated with the volume control
for zone 1.
Apollo SRX400 Installation Instructions
5