Boss marine MR1420S User Manual page 7

5. WIRING DIAGRAM (20 PIN HARNESS PLUG)
FUSE
20-PIN
AUDIO/POWER
HARNESS
(See Figure 1)
LEFT FRONT
WHITE-BLACK LF-
WHITE LF+
LEFT REAR
- -
GREEN-BLACK LR
GREEN LR+
WIRE COLOR
PIN
RIGHT FRONT SPEAKER (-)
1 GREY/BLACK
RIGHT FRONT SPEAKER (+)
2 GREY
RIGHT REAR SPEAKER (+)
3 VIOLET
RIGHT REAR SPEAKER (-)
4 VIOLET/BLACK
5
6 GREEN LEFT REAR SPEAKER (+)
LEFT REAR SPEAKER (-)
7 GREEN/BLACK
IGNITION(ACC)
8 RED
9 BLACK REAR PRE-AMP LINE OUT COMMON
10 RED RIGHT REAR PRE-AMP LINE OUT
AUX IN
REAR LINE OUT
GREY
WHITE
FRONT LINE OUT
BLACK
RIGHT FRONT
GREY-BLACK RF-
GREY RF+
RIGHT REAR
VIOLET-BLACK RR-
VIOLET RR+
FUNCTION/LABEL
WHITE
SUB WOOFER
BLUE
YELLOW
RED
RCA-TO-RCA CABLES
(not supplied)
WHITE
RED
RED
Power antenna wire that can also be used
for remote turn on led.
BLUE
Ground Connect to ground terminal or
Clean unpainted metal part of chassis
BLACK
Memory/Battery
YELLOW
Connect to a constant 12 volt source.
The radio will not work if this wire is not connected.
RED
Accessory/Ignition Connect to existing radio wire or radio fuse.
20-PIN AUDIO/POWER HARNESS
1 2 3 4
11 12 13 14 15
Figure 1
WIRE COLOR
PIN
LEFT FRONT SPEAKER (+)
11 WHITE
LEFT FRONT SPEAKER (-)
12 WHITE/BLACK
13
POWER ANTENNA
14 BLUE
BATTERY(+)
15 YELLOW
CHASSIS GROUND
16 BLACK
17 WHITE LEFT FRONT PRE-AMP LINE OUT
18 RED RIGHT FRONT PRE-AMP LINE OUT
19 BLACK FRONT PRE-AMP LINE OUT COMMON
20 WHITE LEFT REAR PRE-AMP LINE OUT
6
ANTENNA JACK
ANTENNAPEXT
ENDERP
CABLE
RCA-TO-RCA CABLES
(not supplied)
WHITE
AMP
5 6 7 8 9 10
16 17 18 19 20
Pin View
FUNCTION/LABEL