Upgraded 12/24V Relay Harness Control Cable Parts for H4 Hi/Lo Bi-Xenon for HID Bulb Wiring Controller This simplified H4 9003 HB2 Bi-xenon relay harness allow you to install the H4 9003 Hi/Lo Bi Xenon for HID bulbs easy installation and everything is plug and for play without the annoying connecting to wiring the grounds and routing the wire harness Specifications: Color: Black Like the picture show Quantity: 1 PC Voltage: 12V, 24V wiring or modifications needed Direct Replacement, Plug and Play Package includes: 1 x H4 controller cable