Car 12V H4 4 Lamp Bulb Headlight Wire Wiring Harness Ceramic Relay Socket Adapter

Specification: Material: Plastic Shell Type: 12V H4,4 lamp headlight wire harness Placement on Vehicle: Left, Right, Front, Rear Feature: 1. Improve headlamp brightness, protection of the original car appliances. 2. Positive and negative can be use universal easy to use. 3. Corrugated casing, ceramic socket. Note: When upgrading to higher wattage halogen bulbs or 7" headlights can not working properly-that's your fix. Shorter wiring=NO voltage drop NO voltage drop=Bright headlights Bright headlights=Safe & No Headache Package Included(with box): 1 X H4 Relay Wiring Harness