AEV Harness Kit | 2024+ GM HD Trucks (w/ Factory Aux Switches)

Don't have factory auxiliary switches? The AEV Aux Switch & Harness Kit for 2024+ GMC Sierra HD and AEV Aux Switch & Harness Kit for 2024+ Chevrolet Silverado HD provide everything needed to add OEM-style auxiliary switch functionality. If your truck is already equipped with factory auxiliary switches, the AEV Harness Kit is the ideal plug-and-play solution for connecting compatible AEV accessories.

Designed to simplify accessory integration, the AEV GM Auxiliary Switch Harness provides OEM-grade wiring and plug-and-play functionality for reduced installation time. Engineered with custom-fit routing, this harness allows for clean, professional installation while utilizing all five factory auxiliary switches.

Rated for up to 30 amps and featuring built-in voltage protection, the harness provides a reliable solution for powering aftermarket accessories. Convenient accessory hook-up points are located under the hood, making it easy to connect compatible equipment while maintaining an organized engine compartment. The harness also includes provisions for adding a trailer brake controller on vehicles that were not factory equipped.

Key Features

• Utilizes all five factory auxiliary switches
• OEM-grade wiring
• Rated for 30 amps
• Built-in voltage protection
• Under-hood accessory connection points
• Custom-fit design for proper routing
• Plug-and-play installation reduces installation time
• Includes open wires dedicated for installing a trailer brake