iDatalink's HRN-RR-HO1 
wiring adapter
GENERAL FEATURES:
iDatalink's HRN-RR-HO1 wiring adapter works in conjunction with iDatalink's Maestro ADS-MRR module, allowing you to connect a new car stereo in select 2006-2011 Honda-made vehicles. If 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 Honda-built vehicles, including the use of your steering wheel audio controls, Bluetooth®, auxiliary input, and factory amp. You'll also appreciate the additional features added by the adapter, including the ability to view performance gauges and  other vehicle information on your radio's screen.
Honda/Acura Harness: The iDatalink Maestro HRN-RR-HO1 installation harness greatly simplifies the installation of the Maestro RR Car Radio Replacement Interface module (ADS-MRR sold separately) in select Honda & Acura vehicles when replacing your factory radio with an iDatalink Serial Port compatible head unit or other aftermarket head unit from Kenwood, JVC, Alpine or Pioneer; or other aftermarket head unit.
Retained Features: The following factory features (if applicable) are retained from Kenwood, JVC, Alpine, JVC, or Pioneer using the Maestro RR Car Radio Replacement Interface module and HRN-RR-HO1 installation harness.
Factory Amplifier
Aux Input
Bluetooth
Steering Wheel Controls
Note: When installing an aftermarket head unit without the iDatalink Serial Port, only steering wheel control & amplifier turn-on are retained.
Connections: The iDatalink Maestro HRN-RR-HO1 installation harness contains five Molex connectors which plug into your factory radio harness. On the other end of the harness are four multi-pin connectors which plug into the Maestro RR Car Radio Replacement Interface module (ADS-MRR sold separately). In addition, you will need to hardwire the power/ground, illumination, speaker, and navigation output leads of the HRN-RR-HO1 harness to your aftermarket head unit's wiring harness. There are also stereo RCA connectors to plug into your aftermarket head unit's rear-panel Aux input. In addition, stereo RCA connectors connect to your aftermarket head unit's front, rear, and sub pre-outs.
Note: When using the HRN-RR-HO1 installation harness, you will not use the additional harnesses that are included with the Maestro RR Car Radio Replacement Interface module (ADS-MRR sold separately).
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, or Alpine using the Maestro RR Car Radio Replacement Interface module and HRN-RR-HO1 installation harness.
Performances Gauges (user selectable)
Vehicle Information (Tire Pressure, Battery Voltage, Door Open, & Check Engine Codes)