### H4 External Extension Headlight Cable Harness Adapter – Durable, Heat-Resistant & Easy to Install ● **Check Compatibility Before Purchase** Please carefully check the **product images** to ensure that the **socket matches your existing one**. This ensures **a proper fit and seamless installation**, preventing any compatibility issues. ● **H4 Headlight Extension/Replacement Adapter** This **H4 external extension headlight cable harness adapter** is designed for both **extending and replacing existing headlight wiring**. It provides **a secure and stable connection**, making it ideal for **headlight upgrades, repairs, or custom modifications**. ● **High-Strength, Heat-Resistant & Durable Construction** Made from **high-quality materials**, this adapter features **a strong structure, high heat resistance, and never melts under extreme conditions**. It ensures **long-lasting durability and reliable performance**, even with **high-wattage bulbs**. ● **Pre-Wired for Easy Plug-and-Play Installation** Designed for **quick and effortless installation**, this adapter comes **pre-wired for plug-and-play functionality**. No special tools or technical expertise are required—simply **connect it to your existing wiring for a hassle-free setup**. ● **No Modifications Required – Direct Fit** This adapter allows for **a direct connection without the need to modify your vehicle’s original wiring**. It is a **perfect solution for those looking to extend or replace their headlight wiring without altering the stock harness**. Upgrade your vehicle’s lighting system with this **durable, heat-resistant, and easy-to-install H4 external extension headlight cable harness adapter**, ensuring **a secure connection, improved safety, and long-term reliability**!