New in the box Spectrum Brake Controller Kit.

OEM GM part number 19418031

Maximize the effectiveness of your Next Generation Silverado or Sierra brakes with a GM Accessories Spectrum™ Brake Controller and Wire Harness Kit. It tells your trailer's brake system when to brake and how much pressure to apply while towing and operates 2-8 brakes (1-4 axles). The Brake Controller allows you to control all brakes settings with an easy-to-use push-button rotary knob that mounts in a variety of angles above or below the dash to increase unit accessibility and features a user-friendly interface with 10 tri-color LEDs for enhanced display readability. Kit includes plug-in wire harness.

Clean, dash-mounted, OEM-style user interface with 10 tri-color LEDs
Controls all brake settings with a simple push-button rotary knob
Triple-axis, motion-sensing accelerometer to help with responsive, smooth stops
Multiple sensitivity adjustment for varying trailer loads or driving conditions
Operates 2–8 brakes (1–4 axles)
Mounts in a variety of angles above or below the dash to increase unit accessibility and display readability
Compatible with low-voltage or pulse-width modulation (PWM), ABS and cruise control systems
Automatic leveling and calibration
Mounting hardware included

Does not fit 2019 LD Models.

Thanks for looking and email with any questions!