Garmin CCU Extension Cable 15MGarmin CCU Extension Cable 15M expands your installation options by letting you position the CCU up to 15 meters away from the ECU. Whether youre configuring a compact setup or a larger vehicle installation, this cable gives you the flexibility to optimize routing, reduce clutter, and protect sensitive components. Mount your CCU farther than 3 m (9. 8') away from the ECU with extension lengths of 5 m (16. 4'), 15 m (49. 2'), or 25 m (82. 0'). This 15