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Up for sale is Brand New ADS-MAR, Universal Amplifier Replacement Interface + HRN-AR-HK3, Vehicle Specific T-Harness for Select Amplified 2015 & up Hyundai & Kia Vehicles.

This iDatalink's HRN-AR-HK3 wiring harness allows you to connect a Maestro ADS-MAR module to your Vehicles, so you can replace its factory original amplifier with more powerful aftermarket amplifier without losing important features and functions. 

This Plug-N-Play T-harness connects to factory amp's input harness, and supplies audio and database signals to Maestro MAR module without any cutting or splicing wires. 

Once connected, you'll retain the use of your fader controls, tone, and other important features and functions.


This ADS-MAR requires a cable for you to flash software from computer. A login is required to order from this website. If you are a new user, go to the login page to request access. 


Please message us if you need any assistance. 



Vehicle Compatibility: 

See chart in Photos


Product highlights:

  • allows installation of new iDatalink-compatible receiver in select Hyundai and Kia vehicles (also requires the Maestro ADS-MRR2 module)
  • retained features include:
  • retains the use of your steering wheel audio controls in select vehicles
  • retains factory backup camera and front/side cameras (receiver must have a second camera input)
  • Rear Seat Entertainment system and climate status display
  • supplies outputs (parking brake, reverse, and VSS) for NAV receivers
  • displays engine and vehicle performance data on touchscreen