33-EN
1Antenna Receptacle
2Power Antenna Lead (Blue)
Connect this lead to the +B terminal of your power antenna,
if applicable.
This lead should be used only for controlling the vehicle's power
antenna. Do not use this lead to turn on an amplifier, or a signal
processor, etc.
3Remote Turn-On Lead (Blue/White)
Connect this lead to the remote turn-on lead of your
amplifier or signal processor.
4Audio Interrupt In Lead (Pink/Black)
5Illumination Lead (Orange)

This lead may be connected to the vehicle's

instrument cluster illumination lead. This will allow

the backlighting of the CDA-9851 to dim whenever

the vehicle's lights are turned on.

6Switched Power Lead (Ignition) (Red)
Connect this lead to an open terminal on the vehicle's fuse
box or another unused power source which provides (+)12V
only when the ignition is turned on or in the accessory
position.
7Battery Lead (Yellow)
Connect this lead to the positive (+) post of the vehicle's
battery.
8Ground Lead (Black)
Connect this lead to a good chassis ground on the vehicle.
Make sure the connection is made to bare metal and is
securely fastened using the sheet metal screw provided.
9Power Supply Connector
!Right Front (+) Speaker Output Lead (Gray)
"Right Front (–) Speaker Output Lead (Gray/Black)
#Right Rear (–) Speaker Output Lead (Violet/Black)
$Right Rear (+) Speaker Output Lead (Violet)
%Left Rear (+) Speaker Output Lead (Green)
&Left Rear (–) Speaker Output Lead (Green/Black)
(Left Front (–) Speaker Output Lead (White/Black)
)Left Front (+) Speaker Output Lead (White)
~Fuse Holder (10A)
+Steering Remote Control Interface Connector
To steering remote control interface box.
,Ai-NET Connector
Connect this to the output or input connector of another
device (CD Changer, Equalizer, INTERFACE ADAPTER
FOR iPod™* etc.) equipped with Ai-NET.
*When connecting iPod, INTERFACE ADAPTER FOR iPod™
(KCA-420i) is required. For details on how to connect, refer to
the Owner's Manual of KCA-420i.
You can input TV/video sound by connecting an optional
Ai-NET/RCA Interface cable (KCA-121B) to this component.
-Ai-NET Cable (Included with CD Changer)
.Rear Output RCA Connectors
RED is right and WHITE is left.
/Front Output RCA Connectors
RED is right and WHITE is left.
:Subwoofer RCA Connectors
RED is right and WHITE is left.
;RCA Extension Cable (sold separately)
<System Switch
When connecting a processor or divider using Ai-NET, place
this switch in the EQ/DIV position. When no device is
connected, leave the switch in the NORM position.
Be sure to turn the power off to the unit before changing the
switch position.
To prevent noise/interference in the audio system.
Locate the unit and route the leads at least 10 cm away from the car harness.
Keep the battery power leads as far away from other leads as possible.
Connect the ground lead securely to a bare metal spot (remove any paint, dirt or grease if necessary) of the car chassis.
If you add an optional noise suppressor, connect it as far away from the unit as possible. Your Alpine dealer carries various noise
suppressors, contact them for further information.
Your Alpine dealer knows best about noise prevention measures so consult your dealer for further information.