What is the installation method for Audi welcome lights?

[McAlexis]

1. Locate the door control switch signal wire. First, you need to find the signal wire of the door control switch. 2. Find any grounding wire. Once the grounding wire is found, you can close the door to turn off the light and open the door to turn it on. 3. Connect to the side door switch. The positive wire passes through the constant power line, and the negative wire passes through the door switch. 4. Locate the door control switch signal wire inside. Generally, the welcome light only requires finding the door control switch signal wire in the main wiring harness near the door. 5. Car door position. Welcome lights are mainly used at the car door position, and there are different options for welcome lights depending on the model. 6. After testing is normal, cover the door panel. The first function of car welcome lights is to showcase the noble temperament of the brand, and the second function is to illuminate the path to the door for passengers, giving people a feeling of being at home. 7. Summary: The first function of car welcome lights is to showcase the noble temperament of the brand, and the second function is to illuminate the path to the door for passengers, giving people a feeling of being at home.