Welcome to the installation video for your Maestro MIC1 from Trail Grid Pro! This step-by-step guide is designed to make the installation process as smooth as possible, whether you're a seasoned DIYer or tackling your first upgrade.
🎥 Installation Video
Wiring Diagram B
This diagram is used for Toyota's using the HRN-HRR-TO1, HRN-HRR-TO2 or HRN-HRR-TO3 Maestro radio harnesses.
