iDatalink Maestro HRN-SR-GM3 | MSR GM3 Plug and Play T-Harness | For Select GM Vehicles 2014>

Installation harness designed for use with Maestro SR module. compatible with select GM vehicles 2014+ for both non amplified and amplified systems BUT DOES NOT retain the factory amplifier (it must be bypassed). 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