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A black wiring harness with multiple coloured connectors and a small interface module

iDatalink

iDatalink HRN-HRR-SU2 Radio Replacement Harness for Subaru 2012-2021

SKU CH-VDXG-TGGST

Radio replacement harness for 2012-2021 Subaru models retains steering wheel controls, factory amplifier, Starlink, cameras and displays vehicle data on the touchscreen

  • TypeHarness
  • FeaturesRequires Maestro ADS-MRR or ADS-MRR2 module
  • Retains steering wheel audio controls for safe operation
  • Displays vehicle settings and gauges on the touchscreen
  • Retains factory amplifier and subwoofer for existing audio
  • Provides parking brake, reverse and speed sense outputs
  • Includes accessory power and illumination outputs for installation

Vehicle-Specific Installation Harness

The iDatalink HRN-HRR-SU2 is a radio replacement harness built for select Subaru, Scion, and Toyota vehicles from 2012 to 2021. It enables a clean installation of an aftermarket receiver while integrating with the factory wiring. The harness requires a separate Maestro ADS-MRR or ADS-MRR2 module to function. It is designed for installers upgrading the head unit without losing factory integration.

Factory Feature Retention Bundle

The included interface module retains steering wheel audio controls and the factory amplifier with subwoofer. It displays vehicle settings, gauges, and data on the new touchscreen. The harness also keeps the Starlink system and secondary vehicle display active where equipped. Parking brake, reverse, and speed sense outputs are provided for navigation receivers.

Compatibility Scope and Limits

The harness comfortably handles front and side camera retention when the aftermarket radio offers a second camera input. It provides accessory power and illumination outputs for standard receiver operation. Vehicles outside the listed model years or brands are not supported. Buyers without a compatible Maestro module cannot complete the installation.

Highlights

  • Retains steering wheel audio controls for safe operation
  • Displays vehicle settings and gauges on the touchscreen
  • Retains factory amplifier and subwoofer for existing audio
  • Provides parking brake, reverse and speed sense outputs
  • Includes accessory power and illumination outputs for installation

Specifications

BrandiDatalink
TypeHarness
FeaturesRequires Maestro ADS-MRR or ADS-MRR2 module

Questions about this item

Will the Maestro ADS-MRR or ADS-MRR2 module need replacing later?

The Maestro ADS-MRR or ADS-MRR2 module is a separate component required for operation; its service life depends on the module itself, not the harness.

What stops the harness from working continuously in a 2012-2021 Subaru?

The harness is a passive wiring assembly with no moving parts or active electronics, so it has no inherent thermal or power limit under sustained use.

Does the harness generate heat or noise when the radio runs all day?

No, the harness carries signals and power passively; it produces no audible noise and negligible heat during normal operation.

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