Enhance your vehicle’s lighting performance with this premium H4 Relay Wiring Harness, designed to effectively resolve common headlight issues such as dim lighting, flickering, back feeding power, and malfunctioning when switching between high and low beams. Crafted with pure copper wire for safe and efficient current conduction, this harness ensures reliable electrical connectivity and improved headlight brightness. Key Features: · Pure Copper Wire Construction: Provides excellent conductivity for safe and efficient current flow, reducing voltage drop and improving headlight performance. · High-Quality Relay: Ensures durable and stable operation, protecting your vehicle’s electrical system from overload and overheating. · Ceramic Lampholder: Made from high-temperature resistant ceramic material, this connector withstands heat buildup, enhancing safety and longevity. · Comprehensive Headlight Issue Fix: Designed to eliminate dim headlights, flickering, back feeding power, overloading of the headlight switch, and overheating plugs, ensuring consistent and reliable lighting. · Universal Compatibility: Suitable for all vehicles equipped with H4 / 9003 headlights, making it a versatile upgrade for a wide range of car models. · Durable and Safe Materials: Constructed with a combination of plastic and ceramic components to provide robust insulation and heat resistance. Specifications: · Material: Plastic + Ceramics · Voltage: 12V · Connector Type: Ceramic plugs · Short Cable Length: 400mm (15.75 inches) · Long Cable Length: 1600mm (62.99 inches) · Package Weight: 320g (11.29 ounces) · Package Size: 170 x 115 x 70mm (6.69 x 4.53 x 2.76 inches) Package Includes: · 1 x H4 Relay Wiring Harness This H4 Relay Wiring Harness is an essential upgrade for anyone looking to improve their vehicle’s headlight functionality and safety. Its high-quality materials and thoughtful design ensure reliable operation, preventing common electrical issues and enhancing nighttime visibility for safer driving.