"Add an Accessory Control Module to your vehicle and leverage real-time vehicle data & sensors to generate an automatic action in our SMART accessories. This is where accessories and intelligence meet! Electrical Function Bringing the SMART to accessories using live vehicle ECU information to maximize your accessory experience. Controls & Operation Connect your accessories to the 10.25"" Color Touchscreen Display. Electrical Requirements Requires ACM Rear Harness (715009268) to connect rear-mounted SMART accessories to the Accessory Control Module. Installation & Compatibility Easy accessory installation (plug and play). Creates an ecosystem that makes installing accessories quicker and easier. Included Includes ACM Front Harness to connect front-mounted SMART accessories to the Accessory Control Module (two auxiliary connectors available)."