iDatalink Maestro HRN-HRR-GM2 | Plug-N'-Play T-Harness | For GM2 Vehicles With Speaker & HU Connectors

Installation harness and chime speaker designed for use with Maestro RR or RR2 modules compatible with select Holden vehicles 2011+ Optional head unit adapters available for most major brands radios for a simplified installation. Please refer to the vehicle fit guide for vehicle-specific feature coverage