Pioneer MVH-S501BS Owner's Manual page 45

Important
In the case of above, two 4 Ω
subwoofers wired in parallel will represent
a 2 Ω load.
To power cord input
Left
Right
Front speaker (STD) or high range
speaker (NW)
Rear speaker (STD) or middle range
speaker (NW)
White
White/black
Gray
Gray/black
Green
Green/black
Violet
Violet/black
Black (chassis ground)
Connect to a clean, paint-free metal
location.
Yellow
Connect to the constant 12 V supply
terminal.
Red
Connect to terminal controlled by the
ignition switch (12 V DC).
Blue/white
Connect to the system control terminal
of the power amp or auto-antenna relay
control terminal (max. 300 mA 12 V DC).
Subwoofer (4 Ω)
When using a subwoofer of 2 Ω, be sure
to connect the subwoofer to the violet
and violet/black leads of this unit. Do
not connect anything to the green and
green/black leads.
Not used.
Subwoofer (4 Ω) × 2
Orange/white
Connect to a car's illumination signal.
Power amp (sold separately)
Perform these connections when using the
optional amplifier.
System remote control
Connect to blue/white cable.
Power amp (sold separately)
Connect with RCA cables (sold
separately)
To rear output (STD) or middle range
output (NW)
Rear speaker (STD) or middle range
speaker (NW)
To front output (STD) or high range
output (NW)
Front speaker (STD) or high range
speaker (NW)
To subwoofer output
Subwoofer
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