Product Overview This LED headlight wiring harness socket adapter is designed for H4 and 9003 applications. It converts an H4 connection to a 3 pin wire adapter format for use with the referenced headlight setup. Key Features LED headlight wiring harness H4 socket connection 9003 application reference H4 to 3 pin wire adapter design Socket-style wiring connection Compatibility & Fitment H4 applications 9003 applications Headlight setups requiring an H4 to 3 pin wire connection Product Details Product Type: LED headlight wiring harness socket adapter Application: H4 and 9003 Connection: H4 to 3 pin wire adapter Frequently Asked Questions Q: What is this wiring adapter used for? A: It is used to connect an H4 headlight socket to a 3 pin wire configuration for the referenced LED headlight application. Q: How should fitment be verified before purchase? A: Confirm that the vehicle or headlight assembly uses the H4 or 9003 application and requires an H4 to 3 pin connection. This is a third-party accessory for the referenced application and is not manufactured, sponsored, or endorsed by the referenced trademark owner. Verify the complete model and size before purchase.