Product Name: Automotive headlight ballast chip Status: LED Ballast Control Module Part Number:B0007853-D B0008142-C Model:For Grand WK Headlights Replacement method: 1: Use a screwdriver to pry open the original-chip (chips with fixing screws need to be opened in advance) 2: After opening the original-chip. There are traces of thermal conductive silicone on the top of the chip. According to the original-traces on the back of our products evenly coated with silicone (LED beads must be coated with thermally conductive silicone underneath) 3. Snap on the original-position. to flat. Wait for bonding. Normal installation and use. No programming is required. NOTE: This product must be installed with thermally conductive silicone. This is the only way to the of the product. Colour:Black Material:PCB Package Contents: 2 * Car Headlights DRL Chip Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.