Products Description:The wire harne is for 2 pieces of HID/LED High Low beam Relay harne. It's can to be used with HID or LED bulbs, bi-xenon LED projector lens. This Relay Harne has two connector that connects to both side of your headlight. The purpose is to control the switching of your high and low beam functions.The harne connects to one side of your vehicle's factory OEM socket and does not require any cutting or splicing, using the OEM connections will allow you to turn on and off your headlights as well as high/low switching using your factory light switch.Features & Specs:- Heavy Duty Relay Harne.- Low & High Beam Functionality.- 100% water proof, weather proof!- Easy to install, just plug and play.- Advanced Relay Control Box.- High Quality Guaranteed- Input Voltage: DC 12VInstallation Instruction1. Connect red wire straight to the battery positive pole.2. Plug in long and short male connectors into the right and left side ballast.3. Connect the small rectangle wire to the HID light bulb.4. Plug in the last single female connector to one of your cars/trucks stock headlight connector. ** Note that the red wire is connected to positive pole of battery and two black wires to negative pole & ground individually.