Idatalink Maestro HRN-HRR-TO1 T-Harness for Select Toyota & Scion Vehicles 2005-19, replace the factory radio while retaining steering wheel controls & use of amp (ADS-MRR or ADS-MRR2 module required)

Idatalink HRN-HRR-TO1 Vehicle-specific HarnessConnect a new car stereo and retain steering wheel controls and factory amp in select 2005-19 Toyota and Scion vehicles (ADS-MRR or ADS-MRR2 module also required)Idatalink working with ToyotaIdatalink's HRN-HRR-TO1 wiring adapter works in conjunction with Idatalink's Maestro ADS-MRR or ADS-MRR2 module, allowing you to connect a new car stereo in select 2005-19 Toyota and Scion vehicles, Once connected, you'll retain the use of your steering wheel audio controls, factory amp, and backup camera in these vehicles. The package includes connectors that plug in between the Maestro module and your factory radio's wiring plugs.

An Idatalink-ready car stereo takes full advantage of this harnessIf you're buying a compatible Idatalink-ready car stereo, you'll enjoy the outstanding performance of your receiver, plus seamless touchscreen control over most of the factory features in select Toyota-built vehicles, including your backup camera and vehicle settings menu. You'll also appreciate the additional features added by the adapter, including the ability to view performance gauges and vehicle information on the screen with select Idatalink-ready receivers. 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.
Product highlights: Allows installation of a new car stereo in select Toyota vehicles (also requires the Maestro ADS-MRR or ADS-MRR2 module)Retains the use of your steering wheel audio controls, factory amp, and backup camera with any car stereoRetains these factory features with an Idatalink-ready stereoVehicle settings personalization menuDisplays performance data and gauges on touchscreen with select Idatalink-ready receiversToyota/Scion
Harness: The Idatalink Maestro HRN-HRR-TO1 installation harness greatly simplifies the installation of the Maestro RR or RR2 Car Radio Replacement Interface module (sold separately) in select 2005-2018 Toyota & Scion vehicles when replacing your factory radio with an Idatalink Serial Port compatible head unit from Kenwood, JVC, Alpine, Sony, and Pioneer; or other aftermarket head unit.
What's in the box: Idatalink HRN-HRR-TO1 Vehicle-specific HarnessFront preout harness"A" harness, "B" harness, "C" harness, "D" harness, "E" harness, "F" harnessOBDII connector harness*INSTALLATION
NOTE: This HRN-HRR-TO1 car stereo installation T-harness requires the purchase of the Idatalink Maestro ADS-MRR or ADS-MRR2 Interface Module (sold separately) and an Idatalink compatible aftermarket car stereo unit and it's corresponding Idatalink Maestro Car Stereo Head-Unit Harness. The HRN-HRR-TO1 supports Idatalink's Direct T-Harnesses (sold separately) for direct connection to select Idatalink Serial Port compatible head units [ ACC-HU-ALP1 (Alpine), ACC-HU-PIO1 (Pioneer), ACC-HU-SON1 (S O N Y), ACC-HU-KEN1 (K E N W O O D/JVC with 22-Pin Connector), ACC-HU-KEN2 (KEN/JVC with 16-Pin Connector), ACC-HU-KEN3 (2024 & Newer K E N W O O D/JVC with 22-Pin Connector) or ACC-HU-BOS1 (BOSS Radio) ] Installation T-Harness. Sold separately. ) - 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-TO1 harness and each wire spliced directly to the aftermarket radio's corresponding wire.
MFR#: HRN-HRR-TO1This Idatalink Maestro HRN-HRR-TO1 T-Harness replaces the HRN-RR-TO1.