25
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Troubleshooting
Problem
Possible Cause
Action to Solve Problem
Radio will
not turn on
(no lights,
no sound)
Co12V
(yellow) wire not
connected or incor-
rect voltage
Check all connections for
proper voltage with a volt
meter. Voltage range: 12-
15 volts
+12V ignition/ac-
cessory (red) wire
not connected or
incorrect voltage
Check +12V
accessory (red) wire
connection and test
voltage
Ground (black) wire
not connected
Check ground
connection
Fuse on constant
+12V (yellow) wire
is blown
Replace blown fuse
No sound
heard from
unit but unit
lights up
Volume turned
all the way down
Increase radio volume
Internal amp in
protection mode
Check speaker leads
for any grounded or
shorted wires or reset sys-
tem to factory defaults*
Wrong source mode
selected
Make sure the unit is in
the desired source mode
(RADIO,AUX)
Unit blows
fuses
Possible short in
wiring or incorrect
fuse used
Make sure only fuses with
correct 15 amp ratings are
used and check all wiring
connections for possible
short
Battery hooked up
backwards
Make sure battery is prop-
erly connected
*System Reset
To restore/reset the unit to factory defaults see page 12.
