Idatalink Maestro HRN/HRR/GM3 T-Harness – Plug-and-Play Wiring Adapter for GM3 Vehicles with Speaker and Head Unit Connectors

Description

HRGM3

220 Models, 2014 ~ 2020, Part # HRN-HRR-GM3

Chevrolet, GMC, Holden, HSV

Installation harness and chime speaker designed for use with Maestro RR or RR2 modules compatible with select Chevrolet, GMC, and Holden vehicles 2014+ Works with 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

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