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WIRING DIAGRAM
YELLOW BATTERY (+12 V constant)
RED IGNITION (+12V switched)
BLACK GROUND (-12v)
WHITE SPEAKER ZONE 1 L (+)
WHITE/BLACK STRIPE SPEAKER ZONE 1 L (-)
GREY SPEAKER ZONE 1 R (+)
GREY/BLACK STRIPE SPEAKER ZONE 1 R (-)
GREEN SPEAKER ZONE 2 L (+)
GREEN/BLACK STRIPE SPEAKER ZONE 2 L (-)
PURPLE SPEAKER ZONE 2 R (+)
PURPLE/BLACK STRIPE SPEAKER ZONE 2 R (-)
BROWN DIM (+12V switched)
BLUE/WHITE STRIPE AMPLIFIER ON
BROWN/WHITE STRIPE TEL MUTE/INTERRUPT AUX
WHITE RCA (Grey wire) AUX-IN (L)
RED RCA (Grey wire) AUX-IN (R)
ORANGE RCA (Black wire) SUB-OUT
ORANGE RCA (Black wire) SUB-OUT
WHITE RCA (Black wire) LINE-OUT ZONE 1 ( L)
RED RCA (Black wire) LINE-OUT ZONE 1 (R)
A CABLE B CABLE
SiriusXM REMOTEAERIAL
USB
Note: Minimum speaker load impedance 4 Ohm
ELECTRICAL ISOLATION OF THE MS-RA205
The MS-RA205 stereo has a metal chassis which is connected to the Ground /
Negative / Black wire (like most other stereos).Extra care should be taken when
installing this type of stereo in an aluminium boat (or boats with a conductive hull) if
you require the electrical system to be isolated from the boat hull).