If you have trouble with your 7×6/5×7/H6054 LED hedlight not working properly, problems such as dim headlights, malfunctioning headlights when using hi/lo beam, this H4 headlamp relay harness below can fix, please buy this if your car suffer from these problem, especially for Toyota Tacoma series. H4 headlamp Relay Harness Installation Instructions are as below, also …