iDatalink HRN-RR-GM4 Factory Integration Adapter

Features

Chevy/GMC Harness: The iDatalink Maestro HRN-RR-GM4 installation harness greatly simplifies the installation of the Maestro RR or RR2 Car Radio Replacement Interface module (sold separately) in select Chevy & GMC vehicles 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 Chevy & GMC vehicles.
• Radio Compatibility: Click here for a list of fully compatible aftermarket head units with an iDatalink Serial Port.

Notes:

• This harness is only compatible with select Kenwood, JVC, Alpine, & Pioneer in-dash receivers that feature an iDatalink serial port for the Maestro RR Car Radio Replacement Interface Module. Not compatible with any other brand of aftermarket car stereo.
• The iDatalink Maestro HRN-RR-GM4installation harness requires the purchase of the iDatalink Maestro RR or RR2 (sold separately).

Flashing Module via Weblink Desktop: The iDatalink Maestro RR (ADS-MRR) 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 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

Amplifier Bypass: If your Chevy or GMC vehicle features a factory amplifier, the factory amp cannot be retained and must be bypassed or replaced with an aftermarket amplifier.

Retained Factory Features: When installing select Kenwood, JVC, Alpine, Sony, & Pioneer in-dash receivers which contain an iDatalink serial port, the HNR-RR-GM4 harness along with the iDatalink Maestro RR or RR2 interface module allows you to retain the following GM factory features (if applicable).

• OnStar Service & Bluetooth Hands-Free
• Steering Wheel Controls
• Backup Camera
• Turn Signals & Warning Chimes (external chime module included)
• RAP (Retained Accessory Power)

Navigation Outputs: The iDatalink Maestro HRN-RR-GM4 installation harness provides the following outputs for installing an aftermarket navigation receiver - Parking Brake, Foot Brake, VSS (Vehicle Speed Sense), & Reverse Light.

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, Sony, or Alpine (using the Maestro RR or RR2 Car Radio Replacement Interface module and HNR-RR-GM4 harness.

• User Selectable Gauges
• Vehicle Information (Tire Pressure, Battery Voltage, Engine Codes, Door Open Status)
• Park Assist (Chimes & On-Screen Display)

Connections: The iDatalink Maestro HRN-RR-GM4 vehicle harness includes two Molex connectors which plug into your Chevy/GMC factory radio harness. On the other end of the harness are four multi-pin connectors which plug into the Maestro RR or RR2 Car Radio Replacement Interface module. There is also a composite video RCA connector which plugs into the backup camera input on your compatible aftermarket head unit. In addition, you will need to hardwire the power/ground, illumination, speaker, and navigation output leads of the HRN-RR-GM4 harness to your aftermarket head unit's wiring harness. The external chime module will plug into the Maestro RR or RR2 interface module.

Note: When using the HRN-RR-GM4 installation harness, you will not use the additional harnesses that are included with the Maestro RR or RR2 Car Radio Replacement Interface module.