Car Stereo System User Manual
4
Before You Install
2. Mark Polarity of the Speaker Wires
Automotive audio equipment installations can be troublesome at 
times, even to the most experienced of installation technicians. 
If you are not confident working with electrical wiring, removing 
and reinstalling interior panels, carpeting, dashboards or other 
components of your vehicle, please call your dealer in order to 
have the unit professionally installed.
1. Remove the Old Unit from the Dashboard
DIN Front Mount
DO NOT DISCONNECT WIRES
AT THIS TIME!
IMPORTANT: 
Remove the two transport screws from the top of 
the unit before installing.
2. Insert the  keys  supplied  with the 
old unit into both sides of the unit 
as  shown  in  figure  below  until 
they click. Pull to remove the old 
unit from the dashboard.
1.  Remove  the  outer  trim  frame.
1.
 While the old unit is play-
ing, disconnect the wires 
from one speaker
2. Take a length of masking 
tape and fold it around the 
wire so it forms a flag.
3. On the masking tape mark 
the polarity of the speaker 
wires (+ & - ), as well as 
left or right, and front or 
rear.
4. Double check that you 
marked the first speaker 
correctly by checking that 
the speaker wires are the 
same at the head unit.
5. Repeat this procedure for 
all of the speakers.
6. Mark the power, ground, 
and any other wires also
.
Marking the polarity of the speaker wires will make it easier to 
connect the existing speakers to your car radio.Consult wiring 
diagram of existing head unit before disconnecting any wires. 
If you are not positive of the polarity of the existing wires 
from the speakers to the head unit, install new wires.










