hi level input connections
4 ch amp PB448X
2/4 channel input connections
X
head unit
15
4 CH
floating ground connection
4 CH
harness wiring
for common ground connection
L
R
L R
wiring harness
R
L
FRONT
REAR
R
L
orange
black
black
orange
orange
black
black
orange
FRONT
REAR
orange
black
black
orange
orange
black
black
orange
head unit
