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PAC

®

 | Ph. 866-931-8021 | [email protected] 

©2016 Pacific Accessory Corporation

www.pac-audio.com

Rev. 090916

Page 1

Reverse Camera Input and Navigation Unlock 

Interface for Chrysler / Dodge / Jeep Vehicles

Pacific Accessory Corporation

BCI-CH21

J1850

Class 2

VPW

Class 2

J1850

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1 1 1 0 1 0 0 0 0 1 1 0 1 1 0 1 1 1 0 0 1 1 0 0

Arbitration

EOD

CRC

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1 1 1 0 1 0 0 0 0 1 1 0 1 1 0 1 1 1 0 0 1 1 0 0

Class 2

Class 2

J1850

The BCI-CH21 will program your Chrysler / Dodge / Jeep radio to allow the addition of a reverse camera input if the 

vehicle is not equipped with one from the factory (reverse camera sold separately). The BCI-CH21 will allow the factory 

navigation features of your radio to be used by the passenger at anytime. The interface also offers extra features such 

as: adding Blind Spot Cameras, Front Camera, VES activation & Audio/Video input capabilities.

Introduction & Features

Important Notes

1. 

It is very important to follow the exact sequence of installation steps as listed below. Failure to do so will result in the interface not 

working as intended.

2. 

If you change the dipswitch settings, you must disconnect and reconnect power for the change to take effect

3. 

To activate the Blind Spot Camera input, a VS41 (sold separately) must be connected.

4.  To activate the Front Camera input, a VS41 (sold separately) must be connected in addition to turning on DIP switch 4

5. 

The navigation unlock feature must be activated every time the key is cycled.

6. 

The AVS21 A/V switcher must be used in order to use more than one video source with the BCI-CH21.

7. 

If the vehicle is equipped with an external VES Player, the RCAs labeled “Audio/Video To Head Unit” will not allow an additional input 

to the head unit. You must use the factory A/V aux in located in the rear of the vehicle.

8. 

If the vehicle’s reverse lights come on when the reverse camera feature is engaged the diode is not wired properly. Please refer to “Fig. 

C” on page two for proper diode wiring.

9. 

If the factory radio does not come on or “flickers” off & on, the factory amplifier does not turn on or you are receiving audio on only one 

side of  the vehicle, please make sure that the male pins in the BCI-CH21 plug are not bent or out of place.

10. 

In order to see the text generated by the BCI-CH21 on the multi-function display (MFD), it must be set to display audio text.

1. 

Turn  on  the  DIP  switches  that  correspond  with  the  features  you  want  to  add. 

These dipswitches must be set to the proper configuration before connecting the 

interface to the vehicle.

2. 

Depending on the vehicle you are installing the BCI-CH21 into, you may need to 

cut the white/red loop in the harness. Please refer to the chart to the right to see if 

you need to cut the loop. If your vehicle is listed, cut the loop. If not, do not cut the 

loop. Please see the Troubleshooting section on page 4 for further explanation of 

the loop and its purpose.

3. 

If the vehicle is not equipped with an MFD or external Uconnect module mount 

the LED in a location that is visible to the driver. In vehicles equipped with a Multi-

Function Display (MFD) in the instrument cluster or an external Uconnect module 

it is not necessary to connect and mount the LED. The best way to determine if 

the UConnect is external is if the vehicle has an external iPod or USB input (not 

including the one built into the front of the radio). 

4.  Remove the factory radio and disconnect the factory harness(es). 

5. 

Connect the BCI-CH21 harness to the back of the factory radio. 

6. 

If adding reverse camera or additional A/V inputs, connect the BCI-CH21-AUX 

Harness to the back of the factory radio. 

7. 

Connect the aftermarket reverse camera’s video output to the female yellow RCA 

located on the radio side of the BCI-CH21-AUX harness. Use the BCI-CH21’s 

red camera turn on wire to power the aftermarket reverse camera. If you are only 

using the BCI-CH21 as a navigation unlock, this step is not necessary.

Installation Steps 

Make

Model

Year

Chrysler 200

2011

2014

Chrysler 300

2008

2010

Chrysler Sebring

2008

2010

Dodge

Avenger

2008

2013

Dodge

Caliber

2010

2012

Dodge

Challenger

2008

2014

Dodge

Charger

2008

2010

Dodge

Dakota

2008

2010

Dodge

Durango

2008

2009

Jeep

Commander

2008

2010

Jeep

Compass

2009

2013

Jeep

Grand

 

Cherokee 2008

2010

Jeep

Liberty

2008

2013

Jeep

Patriot

2008

2015

Cut

 

Red/White

 

Loop

 

in

 

These

 

Vehicles

DIP

1 2 3 4

ON

Aftermarket Reverse Camera

Navigation Unlock

VES

Front Camera

1

2

3

4

Set DIP switches to the ON position to activate the corresponding features. 

Set DIP switches to the OFF position for any features that are not desired. 

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