AutoTechSalon Premium 9006 9005 High Low Quad Output Bixenon Relay Wiring Harness HID Super heavy duty construction with flexible plastic wire loom for water and heat resistance in engine environments One single harness can power 2 pairs of ballasts (4 bulbs) and control both high and low beam functionality Independent 9006/9005 inputs and outputs with color coded wires for easy install Dual monstrous 40amp relays and blade fuses for reliable operation with ballasts up to 55 watts. All easily replaceable. Provides steady voltage to HID ballasts and eliminates common xenon bulb flickering issues. Simple 15 minute plug and play installation.