The RPK4-CH4103 is a complete radio replacement kit with integrated climate control retention for the 2014-2020 Jeep
Grand Cherokee. All modules and cables are included to retain important features of the factory system including:
steering wheel-mounted radio controls, factory reverse camera, and AM/FM reception.
A secondary 5.2” LCD screen is added for additional vehicle features and controls including: vehicle performance
gauges and information, climate controls, vehicle settings, factory amplier control, and forced camera activation.
Simplied installation and setup menus allow direct programming of camera triggers, steering wheel controls, and
other settings of the kit and RP4.2-CH4103 interface. Features provided by the LCD screen will vary based on the
vehicle features. See Important Notes (next section) for additional information.
Four hard buttons added to the radio dash bezel (below the 5.2” LCD screen) allow the user to set presets to control
functions including: specic climate controls, forced camera activation, and LCD screen controls. Options for hard
buttons will vary based on vehicle features and which cameras are installed.
Button inserts and seven button openings on the radio dash bezel allow for retention of functions that would
typically be lost when replacing the factory radio.
Some advanced features require additional accessories (sold separately).
Important Notes
We recommend reading this manual thoroughly to familiarize yourself with the entire process
prior to beginning the installation.
1. Does Not Retain:
Cluster Display Features
• Compass
• Clock
• Phone pop-ups
• Navigation pop-ups
Uconnect Features
• Uconnect Access Remote Start / Lock / Unlock
• SOS / Assist
• Vehicle Location Service
• WiFi-Hotspot
Factory Amplier Features
• Speed Controlled Volume
2. In vehicles equipped with parking sensors, you must use the included external speaker in order to continue hearing
parking sensor chimes. If the vehicle has a factory amplied system and parking sensors, the speaker is not necessary
unless the factory amplier is no longer being used. In cases where the factory amplier and aftermarket amplier are
being used (for example, using an aftermarket amplier for the front speakers and using the factory amplier for the rear
speakers), the RPK4-CH4103 allows the chime output to the external speaker to be set to the channels that are being
driven o of the aftermarket amplier.
3. If you are adding additional cameras, PAC part number RPA-16P5V (sold separately) must be used to connect
up to 5 total cameras.
4. It is very important that the vehicle’s accessory buttons be programmed and tested right away. If they do not
operate, it is likely because the incorrect CAN wire connections are being used.
SiriusXM Guardian Services
Vehicle Accessories Buttons:
In 2018+ vehicles, the CAN connections must be made at the vehicle’s star connector (see page 10 for details). Failure
to do so will cause the vehicle’s accessory buttons to not operate and may cause the vehicle’s battery to drain.
5. In newer (2018+) vehicles, the factory amplier may not work or the audio level will be low until the ignition is
cycled. Make sure the aftermarket radio’s volume level is turned down prior to cycling the ignition to prevent
excess volume after the ignition cycle!
6. Only in 2014 Grand Cherokee: All vehicle settings options will be listed in the vehicle settings menu, including vehicle
settings that are not available for your vehicle. The only settings options that can be changed and saved, are options
that were available through the factory radio.
Tools needed for installation: Phillips head screwdriver, pick
tool or small athead screwdriver, 7mm socket, ratchet, T20
torx screwdriver, plastic panel removal tool (example - PAC
part number TL-PRY2), and an airsaw or hacksaw for sub-dash
modication (only required for 2014–2018 applications).
1. Vehicle Accessories Button Inserts
2. Radio Dash Bezel with 5.2” LCD Display
3. External Chime Speaker
4. RP4.2-CH4103 Interface Harness
5. RP4.2-CH4103 Aftermarket Radio Connection
Harness (A109-RAD-HAR TYPE 1-V1)
6. Radio Mounting Shroud
7. AM / FM Antenna Adapter (BAADIN22)
8. Radio Mounting Brackets
9. Speaker Mounting Accessories
10. Reverse Camera Retention Harness (RPA-16P1V)
11. Single DIN Mounting Pocket
12. Radio Mounting Screws
13. RP4.2-CH4103 Radio Replacement Interface
14. LCD Display Harness
(10P-2-10P-18-HAR V2)
15. Female 3.5mm to Male RCA adapter
(X-3.5JACK3F-2RCAM)
16. Male 3.5mm to Female RCA adapter
(X-3.5JACK4M-3RCAF)
17. CAN-Bus Connection Harness (MQS4PT-36)
18. OEM USB Replacement Hub
18
Complete Radio Replacement with
Integrated Climate Control Retention for Select
2014–2020 Jeep Grand Cherokee
13
2
10
1
9
8
5
4
11
12
3
7
17
15
16
6
14
Installation
Part One: Disassembly of Factory Dash / Dash Prep.
Part Six: Conguring and Wiring the RadioPRO Interface (cont.)
Connectors
Complete Radio Replacement with
Integrated Climate Control Retention for Select
2014–2020 Jeep Grand Cherokee
Interface Connector 1
RedAccessory Output
Yellow12v+
BlackGround
(10A)
Interface Connector 3
White Front L + Output
White / BlackFront L - Output
GrayFront R + Output
Gray / BlackFront R - Output
GreenRear L + Output
Green / BlackRear L - Output
PurpleRear R + Output
Purple / Black Rear R - Output
Ext Speaker
Out
Connect to
supplied external
speaker when
installing this kit
into a vehicle that
has factory parking
sensors
*The CAN-Bus Connector Harness (MQS4PT-36) is only required for the 2018 and up Grand Cherokee
Interface Connector 2
White / RedHS-CAN + Input
White / BlackHS-CAN - Input
PinkMS-CAN + Input
Pink / BlackMS-CAN - Input
Brown LoopTermination
Resistor - Leave
Intact
Interface Connector 4
PurpleRear R + input
Purple / BlackRear R - input
GreenRear L + input
Green / BlackRear L - input
GrayFront R + input
Gray / BlackFront R - input
WhiteFront L + input
White / BlackFront L - input
Blue / YellowSWC Output / Key 1
BrownSWC Output / Key 2
3.5 mm JackSWC Output
PinkVehicle Speed
Light GreenParking Brake
Violet / WhiteReverse Signal
Orange / WhiteIllumination Output
Blue / WhiteAmp Turn-On Input
BlueNot Used
Sense Output
Output
Output
Reverse Camera
Retention Harness
RedAftermarket
BlackAftermarket
Yellow
Composite
Male
Yellow
Composite
Female
Camera Acc 12v+
Output (800 mA)
Camera Ground
Output
Camera Out
To Aftermarket
Radio
Camera In
From Vehicle
Connector
CAN-Bus Connection Harness*
LCD Display Harness
Vehicle Connector 1
YellowBattery +12v
BlackGround
PinkMS-CAN +
Pink / BlackMS-CAN -
White / RedHS-CAN+
White / BlackHS-CAN-
WhiteFront L + input
White / BlackFront L - input
GrayFront R + input
Gray / BlackFront R - input
GreenRear L + input
Green / BlackRear L - input
PurpleRear R + input
Purple / BlackRear R - input
Reverse Camera Video from factory Reverse
Cargo Camera /
RSE Video
RSE AudioNot Used
OEM AUX Audio Audio from factory Auxiliary
Camera
Not Used
Input Jack
DIP Switches
Set DIP switches that correspond with your radio to the ON position.
Set all other DIP switches to the OFF position.
AlpineJVC
Kenwood /
Lightning Audio
Clarion /
Nakamichi
/ Stinger
2-Wire
Resistive
Pioneer /
Other*
SonyFusion
121 & 232 & 31, 2, & 341 & 4
*Other - Dual / Axxera (these brands could also have 2-wire resistive), Jensen, Rockford Fosgate
The radio select DIP switches on the side of the interface must be adjusted to the proper radio setting
before plugging the interface into the vehicle.
Wiring Connections
Installing the CAN-Bus Connection Harness - MQS4PT-36
(Only needed for 2018 and up Grand Cherokee)
If the installation is being performed in a 2014 - 2017 Grand Cherokee, the use of the MQS4PT-36 is not necessary.
Continue to Section B on page 14. For the 2018 and up Grand Cherokee, proceed to Section A on the next page.
Installing the MQS4PT-36 (Only needed for 2018 and up Grand Cherokee):
The 2018 and up Grand Cherokee requires additional connections to the vehicle’s star connectors that are located on the
driver’s side of the dash, using the included MQS4PT-36 harness. The installation process for the MQS4PT-3 is covered
below.
Step 1Step 2Step 3
Complete Radio Replacement with
Using the plastic pry tool, remove
the driver’s side dash trim.
Step 4
Release the dash trim that surrounds
the base of the steering column by
pulling the trim away from the dash.
With the trim pulled back, there is
space to slide your hand into the dash
to route the MQS4PT-36 harness and
to plug it into the star connectors. Route
the MQS4PT-36 harness to the star
connectors on the left-most side of the
dash. Make sure to route the cable to
where it does not interfere with any
moving parts (brakes, accelerator,
steering column).
With the trim panel removed, locate
the star connectors.
Step 5
Plug the MQS4PT-36 male Green and
White connectors into the appropriate
ports on the star blocks. The Green
connector from the MQS4PT-36 plugs
into a port in the White star block,
and the White connector from the
MQS4PT-36 plugs into a port in the
Green star block. If the star block does
not have an open port, remove one of
the existing connectors, plug it into the
female connector from the MQS4PT-36
and plug the male from the MQS4PT-36
into the now open port on the star block.
Feed the White and Green connectors
side of the MQS4PT-36 harness down
the driver’s side of the dash. Leave
6 to 8 inches of length for the 4-Pin
connector to allow for connection to the
RP4.2-CH4103 harness.
Step 6
Locate the Black 4-Pin mated
connectors in the RP4.2-CH4103
harness. Unplug the connectors, and
attach the Black 4-Pin male connector
from the MQS4PT-36 into the Black
4-Pin female connector that goes to the
White JST connector. The remaining
Black male 4-Pin connector in the
RP4.2-CH4103 harness will no longer
1. Set the DIP Switches on the side of the interface according to the chart on page 9.
2. Wire the aftermarket radio harness to Interface Connectors 1 and 4 according to
Fig.1: Rear of RPK4-CH4103 Radio
Dash Bezel
the wiring connection charts provided on page 12.
3. Connect Interface Connectors 1, 2 and 4 to the RP4.2-CH4103 interface module.
4. Connect Interface Connector 3 to either the amplied output connector if retaining
the factory amp or to the non-amplied audio output connector if there is no
factory amplier.
5. Connect one end of the supplied LCD Display harness into the LCD Display Port
on the RP4.2-CH4103 interface module, and ensure that it will be accessible
when installing the radio dash bezel.
6. If you are installing this kit into a vehicle with factory parking sensors and it IS NOT
equipped with a factory amplier, or if the factory amplier is being bypassed,
connect the supplied external chime speaker to the external speaker output on
interface connector 3. Mount in a place free of obstructions so that the parking
sensor chimes can be heard.
7. Ensure the SWC output is connected to the aftermarket radio (aftermarket radio
must support a wired remote input).
8. Once all connections have been made, plug the vehicle connectors into the
vehicle harness.
9. Reverse camera connection (see Fig. 2):
ConnectorConnector Function
1
2Expansion Port (Not Currently Used)
3Camera Input / Output Port
45.2” Display USB
LCD Display Port
Update Port
a. Connect the included RPA-16P1V harness to the camera input / output
port (Connector 3) on the back of the radio dash bezel (see Fig. 1).
b. Connect the Male Yellow RCA (Video Output) from the RPA-16P1V harness to the aftermarket radio’s reverse camera
input.
Fig.2: RPA-16P1V Harness
Red - Camera 12v Out (800mA)
Black - Camera Ground Out
V Out
Video Output
Video Input1
RPA-16P1V V1
V - 5
To aftermarket reverse camera’s
power wires
To aftermarket radio’s
camera input
From Reverse Camera
c. Connect the Female Yellow RCA (Video Input) from the RPA-16P1V harness to the Male Yellow RCA from vehicle connector
1 (factory reverse camera) or to the aftermarket reverse camera’s RCA video output.
d. Connect the Red and Black power wires from the RPA-16P1V to the aftermarket reverse camera’s power wires. If you are
utilizing a factory camera, simply insulate these wires.
e. To Add Additional Cameras (Front, Blind Spot, Cargo, etc.), use the RPA-16P5V (sold separately) in place of the
included RPA-16P1V harness. See the next page for additional information.
10. Now it’s time to install the radio dash bezel into the vehicle. Connect the factory plugs from the vehicle into the appropriate
connectors on the back of the radio dash bezel
.
11. Connect the free end of the LCD Display harness into the LDC Display port (Connector 1) on the back of the radio dash
bezel (see Fig. 1).
12. If you are retaining or installing cameras, connect the RPA-16Pxx harness into the Camera Input / Output (Connector 3) on
the back of the radio dash bezel (see Fig. 1).
13. OPTIONAL: To update rmware with minimal eort and without accessing the back of the radio dash bezel, a USB extension
cable, PAC part USBDMA3 (sold separately), can be connected into the 5.2” Display USB port (Connector 4) on the back of
the radio dash bezel (see Fig. 1) and run to a location that allows for easy access (glove box, tucked under an interior panel,
etc.).
14. Once the radio dash bezel has been connected, the LEDs for the illumination of the four hard buttons on the kit (below the
radio dash bezel’s LCD display) will illuminate momentarily and then start ashing. This indicates the system is initializing.
Next, the LEDs will turn o and then the RadioPRO splash screen will appear on the LCD. The initialization sequence
can take up to 2 minutes on initial powerup. Once the LCD screen comes on, you can proceed to the setup and testing
section on the next page.
With the addition of the optional RPA-16P5V harness, the
RPK4-CH4103 supports the display and control of up to 5
cameras. The RPA-16P5V replaces the RPA-16P1V camera
harness that is included with the RPK4-CH4103.
Additional cameras can be connected to any of the 4
separate video inputs (video input 1 is reserved for the
reverse camera). Camera input and control are adjustable
through the settings menu on the LCD display on the dash
bezel. The provided power and ground connections are
active when the vehicle is on. Use these leads to power your
aftermarket camera(s) (up to 800mA total). If the cameras
require more than 800mA, please use an external relay. See
page 17 for setup and operation.
Setup and Testing
Verify that all screens and functions are present through the 5.2” display
Options ScreenClimate Control* Camera Control
Complete Radio Replacement with
Integrated Climate Control Retention for Select
2014–2020 Jeep Grand Cherokee
Red - Camera 12v Out (800mA)
Black - Camera Ground Out
V Out
Video Output
Video Input5
Video Input4
V - 3
Video Input3
Video Input2
V - 2
V - 1
RPA-16P5V
V - 5
V - 4
RPA-16P5V V1
Video Input1
(Optional Multi Camera Harness)
To aftermarket radio’s
camera input
Signal from aftermarket
cameras
*Dual Zone Climate shown, exact
appearance may vary based on vehicle.
Information ScreenVehicle Gauges 1
Vehicle Gauges 2
Enter the Installation Settings menu by pressing and holding the Vehicle Settings icon on the Options screen.
Because the vehicle accessories buttons that are used vary from vehicle to vehicle, the accessories buttons must be congured to
the position in which they are installed. Some vehicles will have fewer installed accessories, so instead of a button there will be a
blank installed. Conguring a button that was not present on the factory dash panel will not add features to the vehicle.
Complete Radio Replacement with
Step 1
Open Installer Settings
Step 3
If the vehicle is equipped with the button shown,
press that button on new dash panel. If not
equipped, press “I Do Not Have This Button”.
Once the button is programmed, a dierent
button will be displayed. Continue this process
until the verify conguration screen is displayed.
Step 2
Open the Buttons Setup Wizard
Step 4
Verify that the buttons are correct on the display,
and match the buttons and button positions on
the new dash panel. If the layout matches, press
“Looks good” to complete the vehicle accessories
buttons setup. If it does not match, press “Go
back” to perform the setup again.
Camera Setup
The camera settings menu is used to set up which cameras are installed on the vehicle. When used with the PAC harness
RPA-16P5V (sold separately), the RPK4-CH4103 gives you the ability for switching via the 5.2” LCD and automatic triggers
for up to 5 dierent camera images to display on the aftermarket radio. Note: Camera 1 is permanently set as the Rear Camera and cannot be changed in the settings menu. Camera inputs 2, 3, 4 and 5 can be toggled between “None” (no
camera) or the options shown in Fig. 1 below.
come on when the vehicle is placed into drive and will
The selectable triggers for the Left and Right cameras are
independently selectable and are:
Blindspot Trigger:
stay on for 30 seconds or until the congured speed
threshold is reached.
• Steering Wheel Angle Mode - The Front camera will
turn on when the steering wheel is greater than the
selected angle and the vehicle’s speed is less than the
selected speed threshold.
• Speed Threshold - The Front camera will come
on when the vehicle’s speed is less than the speed
selected here and greater than the SW Angle
• Turn Signal
• Turn Signal and Over 0 MPH
• Turn Signal and Over 10 MPH
• Turn Signal and Over 20 MPH
• Turn Signal and Over 30 MPH
• Turn Signal and Over 40 MPH
• Double Tap Turn Signal
• Manual Only
threshold.
• Steering Wheel Angle Threshold - The Front camera
will come on when the steering wheel angle is greater
than what is selected here and less than the selected
speed threshold.
Steering Wheel Controls
IMPORTANT! The interface comes pre-programmed with all factory SWC functions and does not
require programming unless you wish to re-assign the SWC functions, or utilize short press/long
press dual command functionality. See below for information on custom programming the steering
wheel controls, including adding short press/long press operation.
Example: To program the Track Up button to perform the Track Up function with a quick press and perform the Preset Up
function when the button is pressed and held for more than 1 second, from the SWI settings menu, do the following:
Each SWC radio function can be used only once. If you try
to use a radio function that is already assigned to a button,
the pre-existing button's radio function will change to "Not
Assigned", and the radio function will be set to the new
button. For example, if you were to try to program Volume
Up to the Mode button, the Volume Up button would now be
set to "Not Assigned", and the Mode button would be set to
Volume Up.
Audio Adjustments
If the vehicle has a factory amplier, the 5.2” display has the ability to adjust the factory amplier’s audio settings.
Amplier Audio Settings
Step 1
Open Factory Amplier Settings
Step 2
Make Adjustments
Real Time Fade On = Fading from aftermarket radio
Real Time Fade O = Fading from this menu only
Note: Typical Gain Setting will have the gain at or near the top.
Chime Speaker Adjustment
The chime speaker adjustment allows you to control what chimes will be sent to the RPK4-CH4103-supplied chime
speaker and the volume of the chimes from the speaker. If there is no factory amplier, or if an aftermarket amplier
is being used for the front / rear / all speakers, the chime speaker can be adjusted for that particular application. This
setting will not aect the output of chimes through the factory amplier, only what chimes (front\rear) will
output through the external speaker and the volume of the chimes through the external speaker.
Step 1
Open Advanced Settings
Adjust Chime Speaker
Front Chimes - On (Highlighted) / O (Not Highlighted)
Rear Chimes - On (Highlighted) / O (Not Highlighted)
The four hard buttons located below the RPK4-CH4103
display give you the ability to assign a single preset to
each button to control a specic Climate Control function,
force activate a specic camera to display on the radio or
control select screen settings. Once the buttons have been
assigned a function, a descriptive pop-up tab above each
button showing what function that button performs will be
presented when the proximity sensor is alerted to your nger
touching the button (this function can be toggled on / o).
If popups are turned on in the menu: The proximity sensor within the dash bezel will display the descriptive tabs when your
nger touches the buttons. When your nger is removed, the tabs will disappear.
The options that are able to be preset to the hard buttons are:
Complete Radio Replacement with
Climate Control
Functions*
• Max A/C
• Sync
• Heated Wheel
• Fan Mode
* Climate Control Functions will vary for Single Zone and Dual Zone applications.
** The number of available cameras will vary based on how many cameras are installed and activated.
To test the functionality of the radio and RPK4-CH4103, start with the ignition o and driver’s door open and then do the
following:
1. Turn the ignition on. The LED on the interface will turn on, and the +12v accessory wire will turn on.
2. Verify that all RPK4-CH4103 radio dash bezel buttons operate their intended function:
a.
a. Hazard ButtonHazard Button
b. Climate / Defrost ButtonsClimate / Defrost Buttons
b.
c. Vehicle Accessories ButtonsVehicle Accessories Buttons
c.
3. Turn on the radio, and check volume, balance and fade.
• If the overall volume is excessively low or high: Verify that Interface Connector 3 is connected to the appropriate
output connector on the RP4.2-CH4103 module (one is for amplied audio systems, while the other is for nonamplied audio systems).
• If the overall volume is slightly lower or higher (vehicles with a factory amplier only): Use the factory amp gain
adjustment through the RPK4-CH4103 settings menu to set it to the desired level. See page 19 for information on how
to access the factory amplier settings menu.
• Verify that all SWC are functioning properly. See the Steering Wheel Control section (page 18-19) for radio-specic
details.
4. Verify that all vehicle functions are present through the RPK4-CH4103 5.2” LCD display:
• Climate Controls
• Factory Amplier Settings (Only applicable in vehicles with a Factory Amplier)
• SWI Settings (If DIP Switches are set for any radio other than 2-Wire Resistive)
• Vehicle Settings
• Information Screen
• Vehicle Gauges
• Camera Control
Troubleshooting
1. On initial install, Climate Control fan speed is low and unresponsive - The vehicle needs to be sleep cycled. Turn the
vehicle o, close all doors, lock the vehicle with the keyfob and let it sit for 10 minutes. After 10 minutes, start the truck and
check the Climate Control functionality again.
2. If a vehicle function is not present: Reset the RP4.2-CH4103 Interface Module (see page 22). If a vehicle function is
not present after a reset: With the vehicle running, disconnect and reconnect the LCD Display Harness from the back of
the radio dash bezel.
3. Steering wheel controls inoperable - Verify that the DIP switches are set properly according to page 12 of this manual.
4. Reverse Camera inoperable - Verify that all reverse camera connection points are proper by reviewing the reverse
camera wiring connection steps on pages 14 and 15.
RP4.2-CH4103 Interface Module LED Diagnostics
LED PatternStateAction
LED 2 solid redVehicle RAP / ACC Output is OnN / A
LED 2 ashing greenSWC ActivityN / A
LED 2 ashing redModule Resetting / InitializingN / A
LED 1 solid greenModule Powered and OperatingN / A
The RadioPRO app will allow you to update the RP4.2-CH4103 interface module with new rmware as it becomes available.
Please visit www.PAC-audio.com/rmware to download available updates.
The radio dash bezel can also be updated. Refer to the RPK4-CH4103 User Manual for additional information.
To update the RadioPRO interface module, open the Radio PRO PC app, connect the interface to your PC and select
”Firmware” and then “Update Firmware”.
Complete Radio Replacement with
Now, select “Select File”. Finally, browse to the place where you saved the le, and select it. This will begin the updating
process. Once nished, disconnect the interface from the PC and test operation.
Reset / Restoring Interface Factory Settings
You can restore the interface to factory default settings by pressing and holding the programming button on the side of the
module until the status LED starts blinking red. Once the LED starts blinking red, release the button. You must release the
button while the LED is blinking red in order to perform the reset. This reset will restore all settings to factory defaults.