Maestro HRN-HRR-GM3 GM3 Plug and 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 GM vehicles from 2014 onwards. Works with both non-amplified and amplified systems but does not retain the factory amplifier (which must be bypassed). Optional head unit adapters are available for most major brand radios, simplifying the installation process.