This 1set 2-headlights h4 headlight relay harness Fixes cars with 2 pcs H4 plug headlamps, such as 7x6 led headlights. Problems like Dim Headlights, Flickering Headlights, Back Feeding Power, Malfunctioning Headlights when using Hi/Low Beams can be fixed with this kaslight 2-headlight h4 headlamp relay. Make a big improvement for visibility on your cars at night.
【IMPORTANT NOTICE】As Toyota Pickup and Toyota Tocoma use a double ground which leads to the headlights not work or only one beam work, this Harness is a must to fix the problem. It may be still complicated to wire in some new relays to run the headlights properly, TAKE IT EASY, it is not the issue of product quality, only because wiring circuit of Toyota series is a little complicated.
【YOUR VEHICLE NEEDS THIS】Perfectly match KASLIGHT H6054 H5054 H6054LL 6014 6052 6053 7X6 led headlights vehicles like Toyota, Jeep Pickup, Tacoma, Subaru, Mitsubishi, or Suzuki 5X7 led headlight harness.
【IMPORTANT NOTICE】If your socket pin is not standard, KASLIGHT H4 9003 HB2 Wiring Harness is needed
【Also fixes】: Overloading the Headlight Switch, Overheating Plugs. If you are upgrading to LED Bulbs or are having trouble with your 7"x6", 4x6", 5-3/4" or any other H4 plug headlights not working properly, this is your fix!! Package includes one set h4 socket led headlight relay kit.