This item is for one Set (2 Pieces) HID Relay harness with Dual Resistors.
This Resistor kit is can be used for both HID or LED Bulbs. It has easy plug and play pre-wire socket with both high beam and low beam error bypass load resistors.
This relay wiring kit solve computer error warning encountered during the installation.
It also helps the following problems:
One light out in cold weather and where trouble is experienced with auto-on systems.
Eliminate HID Bulb Flickering cause by vehicle's computer not recognizing low wattage HID kit.
Fix random shut-offs
Works for many DRL (Daytime running light) systems