--- product_id: 581074079 title: "iDatalink Maestro HRN-HRR-TO3 T-Harness for Select Toyota 2018+ Connect a new iDatalink-Ready car Stereo and retain Steering Wheel Controls and Factory amp (ADS-MRR or ADS-MRR2 Module Also Required)" brand: "idatalink" price: "FREE" currency: TND in_stock: false url: https://www.desertcart.tn/products/581074079-idatalink-maestro-hrn-hrr-to3-t-harness-for-select-toyota store_origin: TN region: Tunisia --- # Displays Factory Data on Touchscreen Plug & Play T-Harness Retains Steering Wheel Controls iDatalink Maestro HRN-HRR-TO3 T-Harness for Select Toyota 2018+ Connect a new iDatalink-Ready car Stereo and retain Steering Wheel Controls and Factory amp (ADS-MRR or ADS-MRR2 Module Also Required) **Brand:** idatalink **Price:** FREE **Availability:** ❌ Out of Stock ## Summary > 🔗 Upgrade your drive, keep your vibe intact! ## Quick Answers - **What is this?** iDatalink Maestro HRN-HRR-TO3 T-Harness for Select Toyota 2018+ Connect a new iDatalink-Ready car Stereo and retain Steering Wheel Controls and Factory amp (ADS-MRR or ADS-MRR2 Module Also Required) by idatalink - **How much does it cost?** FREE with free shipping - **Is it available?** Currently out of stock - **Where can I buy it?** [www.desertcart.tn](https://www.desertcart.tn/products/581074079-idatalink-maestro-hrn-hrr-to3-t-harness-for-select-toyota) ## Best For - idatalink enthusiasts ## Why This Product - Trusted idatalink brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Smart Compatibility:** Works with top brands like Alpine, Pioneer, Sony, Kenwood & JVC for enhanced touchscreen data display. - • **Future-Proofed Setup:** Requires Maestro ADS-MRR/ADS-MRR2 module for advanced vehicle data and programmable outputs. - • **Seamless Integration:** Effortlessly upgrade your Toyota stereo without losing factory features. - • **Full Feature Retention:** Keep steering wheel controls, factory amp, backup camera, and personalization menus intact. - • **Plug & Play Simplicity:** Dedicated connectors ensure a quick, no-splice installation. ## Overview The iDatalink Maestro HRN-HRR-TO3 T-Harness enables plug-and-play installation of iDatalink-ready stereos in select 2018+ Toyota vehicles, preserving steering wheel controls, factory amplifier, backup camera, and vehicle settings. Compatible with major stereo brands and requiring the Maestro ADS-MRR or ADS-MRR2 module, it delivers seamless integration and advanced data display without splicing. ## Description Buy iDatalink Maestro HRN-HRR-TO3 T-Harness for Select Toyota 2018+ Connect a new iDatalink-Ready car Stereo and retain Steering Wheel Controls and Factory amp (ADS-MRR or ADS-MRR2 Module Also Required): Radio Wiring Harnesses - desertcart.com ✓ FREE DELIVERY possible on eligible purchases ## Features - Allows installation of a new iDatalink-ready car stereo in select Toyota vehicles (also requires the Maestro ADS-MRR or ADS-MRR2 module). PLUG AND PLAY DESIGN: With dedicated plugs for quick, proper installation, this harness makes replacement of the factory radio seamless while retaining key compatible factory features. - Retains the use of your steering wheel audio controls and factory amp & retains vehicle settings personalization menu, backup camera, and rear seat entertainment system - Displays select factory features and displays performance data on touchscreen with select Alpine, JVC, Kenwood, Sony, and Pioneer receivers - Supplies parking brake, reverse, and speed sensor connections for touchscreen radios. Works with iDatalink's "Head-unit Direct" harnesses, eliminating need for splicing - INSTALLATION NOTE: This HRN-HRR Plug & Play T-Harness REQUIRES an Idatalink Maestro Interface Module (ADS-MRR or ADS-MRR2) and the corresponding Idatalink Maestro Car Stereo Head-Unit ACC-HU-ALP1 (Alpine), ACC-HU-PIO1 (Pioneer), ACC-HU-SON1 (S0NY), ACC-HU-KEN1 (KENWO0D/JVC with 22-Pin Connector), ACC-HU-KEN2 (KENWO0D/JVC with 16-Pin Connector), ACC-HU-KEN3 (2024 & Newer KENWO0D/JVC with 22-Pin Connector), ACC-HU-BOS1 (BOSS Radio) or the ACC-HU-JEN1 (Jensen) Installation T-Harness. Each Sold separately. These adapters allows you to connect select car stereos to compatible iDatalink T-harnesses. - (ADS-MRR: Vehicle Coverage: 30 Makes - Models: 4318 - Years: 2002+) - (ADS-MRR2: Vehicle Coverage: 30 Makes - Models: 4582 - Years: 2002+ with 3 Programmable Outputs) ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B0BZHYL4B6 | | Best Sellers Rank | #565 in Car Audio & Video Wiring Harnesses | | Brand Name | Idatalink | | Cable Type | proprietary | | Connector Type | Proprietary | | Customer Reviews | 5.0 5.0 out of 5 stars (6) | | Included Components | HRN-HRR-TO3 | | Item Dimensions | 7.75 x 4.75 x 1.25 inches | | Item Weight | 0.2 kg | | Manufacturer | iDatalink Maestro | | Material Type | Copper | | Model | HRN-HRR-TO3 | | Number of Items | 1 | | Part Number | HRN-HRR-TO3 | | UPC | 627780004228 | | Unit Count | 1 Count | | Warranty Description | 1-Year Manufacturer Warranty | ## Product Details - **Brand:** Idatalink - **Connector Type:** Proprietary - **Item Weight:** 0.2 kg - **Item dimensions L x W x H:** 7.75 x 4.75 x 1.25 inches - **Material:** Copper ## Images ![iDatalink Maestro HRN-HRR-TO3 T-Harness for Select Toyota 2018+ Connect a new iDatalink-Ready car Stereo and retain Steering Wheel Controls and Factory amp (ADS-MRR or ADS-MRR2 Module Also Required) - Image 1](https://m.media-amazon.com/images/I/41GfAl0A8wL.jpg) ![iDatalink Maestro HRN-HRR-TO3 T-Harness for Select Toyota 2018+ Connect a new iDatalink-Ready car Stereo and retain Steering Wheel Controls and Factory amp (ADS-MRR or ADS-MRR2 Module Also Required) - Image 2](https://m.media-amazon.com/images/I/31eN-HTVpcL.jpg) ![iDatalink Maestro HRN-HRR-TO3 T-Harness for Select Toyota 2018+ Connect a new iDatalink-Ready car Stereo and retain Steering Wheel Controls and Factory amp (ADS-MRR or ADS-MRR2 Module Also Required) - Image 3](https://m.media-amazon.com/images/I/41lH1xuNCCL.jpg) ![iDatalink Maestro HRN-HRR-TO3 T-Harness for Select Toyota 2018+ Connect a new iDatalink-Ready car Stereo and retain Steering Wheel Controls and Factory amp (ADS-MRR or ADS-MRR2 Module Also Required) - Image 4](https://m.media-amazon.com/images/I/41-vsZXMmYL.jpg) ![iDatalink Maestro HRN-HRR-TO3 T-Harness for Select Toyota 2018+ Connect a new iDatalink-Ready car Stereo and retain Steering Wheel Controls and Factory amp (ADS-MRR or ADS-MRR2 Module Also Required) - Image 5](https://m.media-amazon.com/images/I/41shRfR8QcL.jpg) ## Frequently Bought Together - iDatalink Maestro HRN-HRR-TO3 T-Harness for Select Toyota 2018+ Connect a New iDatalink-Ready car Stereo and retain Steering Wheel Controls and Factory amp (ADS-MRR or ADS-MRR2 Module Also Required) - Idatalink Maestro Acc-USB-TO3 USB Adapter UT03 - METRA Ltd 40-LX11 Antenna Adaptor Cable - Select 2009-Up Lexus/Toyota --- ## Why Shop on Desertcart? - 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016 - 🌍 **Shop Globally** — Access 737+ million products across 21 categories - 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price - 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members) - 🔒 **Secure Payments** — Trusted payment options with buyer protection - ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.tn/products/581074079-idatalink-maestro-hrn-hrr-to3-t-harness-for-select-toyota](https://www.desertcart.tn/products/581074079-idatalink-maestro-hrn-hrr-to3-t-harness-for-select-toyota) --- *Product available on Desertcart Tunisia* *Store origin: TN* *Last updated: 2026-09-30*