The BD Diesel High Idle Control (1036600) is a performance accessory designed specifically for 2001-2004 GM Duramax LB7 diesel engines. This plug-and-play device allows drivers to increase engine idle speed to help with faster warm-ups in cold weather, improved battery charging, and better performance when using PTO (Power Take-Off) equipment. Installation is straightforward, requiring no cutting or splicing of factory wiring, and the unit integrates seamlessly with the truck’s existing systems. With multiple idle speed settings, the BD Diesel High Idle Control offers greater control and functionality, making it a practical upgrade for Duramax owners seeking improved cold-weather performance and engine efficiency.