Experience seamless installation in just a few minutes with the Z-Flash LCM, designed to connect effortlessly to your vehicle's LCM (light control module). This innovative device empowers you to flash all exterior factory lighting, ensuring heightened visibility and safety. The Z-Flash LCM is specifically engineered for compatibility with select new model GM vehicles. It can be activated using the included switch or integrated with your preferred controller or switch box. One of its standout features is its independence from external power sources, simplifying the setup process and enhancing user convenience. Upgrade your vehicle's lighting system with the Z-Flash LCM for reliable performance and increased visibility during critical situations. What's Included: One (1) Z-Flash Module One (1) Switch/Hardwire Cable One (1) Vehicle wring harness Compatibility: Year Model 2022-2024 Silverado 1500 2021-2024 Suburban  2021-2024 Tahoe 2021-2024 Yukon  2022-2024 Sierra 1500 2023-2024 Silverado HD 2500/3500 2024-2024 Sierra HD 2500/3500 *Check Production Date for Compatibility* NOTE: 2023 HD trucks require a visual inspection for the presence of the Lighting Control Module (LCM) Tech Specs: Three Flash Patterns Plug and play; installs in just a few minutes Includes switch, mounting tape, and hardwire cable Easy activation using the included switch or OEM controls When activated, the Z-Flash LCM for GM vehicles can flash: Low beam headlights High beam headlights Fog lights Turn signals Reverse lights Tail lights Daytime Running Lights License plate lights Center mount high stop light Cargo lights Instructions: