HRN-SR-GM3 MAESTRO SR GM T-HARNESS

sGM3 Radio Replacement T-Harness

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