Note: 1. For the cast majority of Jeep and other brand models, this light is plug & play. 2, In a few vehicles, there are slight wariations in the slot positions of the brackets for the left and right headlights You may need to make minor adjustments for proper installation, but it's a simple process that's highly worthwhile. 3. For the Jeep Wrangler JL 2018-2022, you will need to purchase 9-inch headlight brackets for installation. 4. For the Hummer H1 H2 H3 models, you will need to purchase the H4 to 9007 adapters for installation. 5. Regardless of modificaitions, you are entitled to the same level of post-purchase right. .