A-Premium Trailer Brake Control Switch 84108373 — Compatible with 2014-2021 Chevy Colorado, Silverado, Tahoe, Suburban & GMC Sierra, Yukon, Canyon | Replace 23145874

Upgrade Your Towing Control

The A-Premium Trailer Brake Control Switch 84108373 is designed to bring a steady, responsive feel to your towing experience. This dash-mount switch provides a dedicated control for trailer braking, offering a tactile ON/OFF action and precise adjustment without altering factory wiring.

Crafted to fit many GM trucks, this switch sits within easy reach on the dash, allowing you to fine-tune trailer braking as you drive. It is not a guarantee of performance, but it opens possibilities for smoother stops and more controlled deceleration when towing a load.

Vehicle compatibility at a glance

• Chevrolet Colorado: 2016–2021

Key specifications and fit

• Eight-terminal design for clean wiring and robust signal paths
• Direct snap-fit mounting for quick, tool-light installation
• Dashboard mounting location keeps controls within reach
• Connector gender: female; Terminal type: pin; Verified replacement TBM003, 84108373, 23145874
• One-year unlimited-mileage guarantee for added peace of mind

With a one-year unlimited-mileage guarantee, A-Premium provides a broad range of automotive accessories designed to support your toolbox. This switch is built to withstand the rigors of daily driving and towing, while offering a straightforward way to customize your setup.

Real-world use and expectations

Imagine backing into a campsite with a loaded trailer and needing a measured brake response on a windy straightaway. The dashboard switch can provide a tactile steering point to dial in braking force as you maneuver, helping you feel more in control without changing the rest of your brake system.

If you regularly tow larger loads, you may notice a smoother transition when starting and stopping, especially during downhill runs or city-to-highway transitions. These are possible outcomes to consider, depending on your vehicle’s configuration and driving style.

What’s included and installation notes

• Designed for direct dash mounting with a snap-fit attachment
• Compatibility spans multiple GMC and Chevrolet truck lines
• One-year unlimited-mileage warranty for added peace of mind