1. For Toyota and Lexus only.
2. The red wire is connected to the ACC (the fuse that has electricity when the car is started, but has no electricity after locking the car); the yellow wire is connected to the fuse that keeps the car powered on when the car is started and locked. The black wire is connected to GND.
3. It is recommended to find a professional engineer for installation.
4. After installation, the cover of the original car fuse box will be removed