About the iDatalink HRN-HRR-CH3 Factory Integration Adapter
iDatalink working with Chrysler
iDatalink working with Chrysler
iDatalink's HRN-HRR-CH3 installation harness simplifies the installation of the Maestro ADS-MRR or ADS-MRR2 Car Radio Replacement Interface module (sold separately) in select Chrysler, Dodge, Jeep, Fiat, and Ram vehicles vehicles when replacing your factory radio with an iDatalink Serial Port compatible car stereo.
The package includes connectors that plug in between the Maestro module, your factory radio's wiring plugs, and the serial port on your new car stereo. This harness features an in-line head-unit connector harness, which will plug into their new "Head-unit direct" harnesses for select radio brands. If you're installing a radio that doesn't work with a "Head-unit direct" harness, you simply cut off the plug and connect the wires to the harness included with your new radio.
Retain factory features
With select iDatalink-compatible radios from Alpine, JVC, Kenwood, Pioneer, and Sony you'll be able to retain the use of these factory features:
- touchscreen control of climate control and vehicle settings
- steering wheel controls
- use of the factory amplifier, including turn-on, fader, gain, and speed-compensated volume
- rear-view and other cameras, depending upon aftermarket radio inputs
- secondary vehicle display (when equipped)
- rear-seat video and control (when equipped)
The harness also supplies the outputs (parking brake, reverse, and VSS [Vehicle Speed Sense]) necessary for installation of a NAV receiver, plus illumination and accessory power outputs.
Extra features with an iDatalink-ready car stereo
If you're buying a compatible iDatalink-ready car stereo, you'll be able to display vehicle info on your receiver's screen, plus read and reset engine codes.
Installation note: The HRN-HRR-CH3 adapter must be used with the iDatalink Maestro ADS-MRR or ADS-MRR2 module to connect a new iDatalink-compatible car stereo to your Chrysler-made vehicle.
Product highlights:
- allows installation of a new receiver with iDatalink port in select Chrysler-made vehicles (also requires the Maestro ADS-MRR or ADS-MRR2 module)
- retains the use of your steering wheel audio controls and factory amp
- displays engine performance data on touchscreen with select Alpine, JVC, Kenwood, Pioneer, and Sony receivers
- warranty: 1 year
- Our 60-day money-back guarantee
- MFR # HRN-HRR-CH3
What's in the box:
iDatalink HRN-HRR-CH3 Factory Integration Adapter owner's manual
- Vehicle/radio harness
- OBDII connector harness
- OBDII junction harness
Reviews
Customer reviews
Loading reviews...
iDatalink HRN-HRR-CH3 Factory Integration Adapter reviews
Average review:
Thanks for submitting your review
Customer photos
More details on the iDatalink HRN-HRR-CH3 Factory Integration Adapter

Product Research
Features
Installation Harness: The iDatalink Maestro HRN-RR-CH3 installation harness greatly simplifies the installation of the Maestro RR or RR2 Car Radio Replacement Interface module (sold separately) in select Chrysler, Dodge, Jeep, Fiat, and Ram vehicles with a 52-pin radio plug when replacing your factory radio with an iDatalink Serial Port compatible head unit from Kenwood, JVC, Alpine, Sony, or Pioneer.
- Vehicle Compatibility: Click here for a list of compatible Chrysler, Dodge, Jeep, Fiat, and Ram vehicles.
- Radio Compatibility: Click here for a list of fully compatible aftermarket head units with an iDatalink Serial Port.
Notes: The iDatalink Maestro HRN-RR-CH3 installation harness requires the purchase of the iDatalink Maestro RR or RR2 (sold separately). This installation harness will not work with aftermarket head units that do not feature an iDatalink Serial Port.
Head Unit Connection: The HRN-HRR-CH3 supports iDatalink's Direct T-Harnesses (sold separately) for direct connection to select iDatalink Serial Port compatible head units (including Kenwood, JVC, Alpine, Sony, and Pioneer radios) - replacing the wiring harness that comes with your aftermarket stereo (some hardwiring may still be required). If connecting to an aftermarket headunit that does not support an iDatalink Direct T-Harness, you'll need to cut-off and remove the 20-pin black connector from the HRN-HRR-CH3 harness and each wire spliced directly to the aftermarket radio's corresponding wire.
Flashing Module via Weblink Desktop: The iDatalink Maestro RR or RR2 will need to be loaded with correct firmware before installation. The included USB cable plugs into your computer and allows you to "flash" the Maestro RR or RR2 with the appropriate firmware to prepare it for installation. Simply download Weblink Desktop (for Windows and Mac) onto your computer to access the appropriate firmware. System requirements include -
- Windows PC (10/8.1/8/7/Vista/XP/2000) or Mac OS X (Mojave [10.14], HighSierra [10.13], Sierra [10.12], El-Capitan [10.11])
- Available USB port (version 2.0 or 3.0)
- 4GB RAM or more
- 200MB available space on HDD
- Internet connection
Retained Features: The following factory features (if applicable) are retained when replacing your factory radio with a compatible iDatalink Serial Port head unit from Kenwood, JVC, Alpine, Sony, or Pioneer using the Maestro RR Car Radio Replacement Interface module and HRN-RR-CH3 installation harness.
- Factory Amplifier: Retains factory amplifier with turn-on, fader, gain, & speed compensated volume
- Steering Wheel Controls: Factory steering wheel controls are retained with two function buttons and expandable radio functions.
- Secondary Vehicle Display: Secondary vehicle display is retained (if factory equipped) with audio information and hands-free information.
- Climate Control & Vehicle Settings: Climate display and control is accessible through a compatible aftermarket head unit's touchscreen. You can also access and modify vehicle settings through a compatible aftermarket head unit's touchscreen.
- Advanced Camera Features: Factory backup camera is retained with parking guidelines and park assist chimes (requires ACC-SP1 chime speaker); your aftermarket head unit must have a composite video rearview camera input. It will also retain the vehicle's front camera, side camera, and 4x4 camera (if factory equipped); your aftermarket head unit must have a second composite video camera input.
- RSE (Rear Seat Entertainment): Retains factory rear seat video and control (if equipped).
Extra Features: The following Extra features are added when replacing your aftermarket head unit with a compatible iDatalink Serial Port head unit from Kenwood, JVC, Pioneer, or Alpine using the Maestro RR or RR2 Car Radio Replacement Interface module and HRN-RR-CH3 installation harness.
- Vehicle Info: Tire Pressure Display, Battery Voltage Display, Read/Reset Engine Codes, and Door Open Status with Warning.
- Gauges: Selectable Performance Gauges, "Track Pack" Gauges, and Read/Reset Check Engine Codes.
Outputs: The HRN-RR-CH3 provides Navigation, Accessory Power, and Illumination Outputs to make installation simpler.
- Navigation: Parking Brake, Reverse Light, and VSS (Vehicle Speed Sense).
- Accessory Power Output: 12V/15A Accessory Power Output
- Illumination Output: Illumination Output
The iDatalink HRN-HRR-CH3 Factory Integration Adapter replaces these items

- allows installation of a new receiver with iDatalink port in select Chrysler vehicles (also requires the Maestro ADS-MRR or ADS-MRR2 module)
- retains the use of your steering wheel audio controls and factory amp
- displays engine performance data on touchscreen with select Alpine, JVC, Kenwood and Pioneer receivers
Loading accessories...
Customer Q&A
Loading articles...