Scosche SLC-4 - Illustration C: Common Ground Adapter Setup; Understanding Common Ground Systems; Connecting for Common Ground Systems

SWITCH TO
COMMOND
GROUND
POSITIO
N
(CHAS
SI
S
GROUND)
RADIO GROUND
ALL
SPEAKER
NEGA
TIVE
WIRES
ARE
CAPPE
D
OFF
SEP
ARA
TE
LY
CONNECT ONL
Y
POSITIVE SPEAKE
R
WIRES TO SL
C-
4
VEHICLE HARNES
S
OUT TO VEHICLE
LEF
T REAR (+
)
RIGHT FRONT (+)
LEF
T FRONT (+)
RIGHT REAR (+
)
RIGHT REAR (-)
RIGHT FRONT (-)
LEF
T REAR (-)
LEF
T
F
RONT (-)
LEF
T REAR (+
)
RIGHT FRONT (+)
LEF
T FRONT (+
)
RIGHT REAR (+
)
RIGHT REAR (-)
LEF
T REAR (-)
LEF
T FRONT (-)
RIGHT FRONT (-)
CAR STEREO
SCOSCHE
CONNECTOR
RIGHT
REAR
+
-
+
- -
+
-
+
+
-
COMMON GROUND
FA
CTOR
Y AMP
LINE OUT
A1 A8
LINE OUT GAIN ADJUSTMENT
FACTOR
Y AMP GAIN ADJUSTMENT
SLC
-4
INPUT
A7
A6
A5
A4
A3
A2
B1
B2
B3
B4
B5
B6
B7
B8
OUTPUT
LEF
T
REAR
RIGHT
FRONT
LEF
T
FRONT
+
-
+
-
+
-
OPTIONAL:
GROUND THE
BLACK WIRE
FOR ADDITIONAL
NOISE SUPPRES
SION