Owner's Manual

PROBLEM
Unit
will
not
turn
on (no
power
LED
indicator)
Unit
will
not
turn
on (no
power
LED
indicator)
Unit
blows
fuse(s)
Engine
noise
Distorted
audio
output
Low
audio
output
Weak
bass
TROUBLESHOOTING
CAUSE
•
BAT+
wire
not
connected
or
incorrect
voltage
REM
wire
not
connected
or
incorrect
voltage
•
GND
wire
not
connected
•
Fuse(s)
blown
Volume
turned
all
the
way
down
ACTION
• Check
connections
for
proper
voltage
(ll
-
16VD
C)
• Check
co
nnecti
on
to
grou
nd
•
Replace
fuse(s)
•
Increase
v
olu
me
level
at
head
unit
•
Speaker
defective
or
• Check/
replace
speaker
damaged
•
Input
signal
not
connected
• Check
high
or l ow
level
inputs
for
proper
connection
•
Incorrect
fuse
rating
•
BAT+
wire
touching
chassis
ground
•
Subwoofer
defective
or
damaged
•
Bad
ground
connection
•
Signal
ground
loop
or
RFI
(radio
frequency
interfer-
ence)
•
Incorrect
input
signal
type
or
input
level
too
high
•
Incorrect
input
signal
type
or
input
level
too
low
•
Low
frequency
output
is
out
of
phase
• Use
fuse(s)
with
co
rrect
rating
• Check
for
pinched
wire
• Check/
replace
subwoofer
Make
sure
subwoo
fer
is
grounded
to
clean
bare
metal
•
Re-route
RCA
cables
from
existing
high
current
wiring
Check
connecti
o
ns
and
reduce
/
adjust
input
level
• Check
connections
and
increase
or
adjust
input
level
Adjust
phase
control
as
needed
9