Roadmaster RMCD100M - Manual (Page 5)

Before You Install
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 compo-
nents of your vehicle, please call our toll-free help line 1-800-445-1797 and our in-house
technical service team will answer your installation questions. Contact the vehicle's
manufacturer for vehicle specific instructions, or consider having the VRCD100M/
RMCD100M professionally installed.
IMPORTANT: Remove the two transport screws from the top of the unit before installing.
B. Insert the keys supplied with the old unit
into both sides of the unit as shown in
figure below until they click. Pull to re-
move the old unit from the dashboard.
1. Remove the Old Unit from the Dashboard
DIN Front Mount DO NOT DISCONNECT WIRES AT THIS TIME!
A. Remove the outer trim frame.
Marking the polarity of the
speaker wires will make it easi-
er to connect the existing speak-
ers to the VRCD100M/RMCD100M.
Consult wiring diagram of existing head
unit before disconnecting any wires. If a
wiring diagram is not available contact
the manufacturer.
1. While the old unit is playing, discon-
nect 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 polar-
ity 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.
2. Mark Polarity of the Speaker Wires
4