HID CONVERSION KIT WIRE RELAY HARNESS ELIMINATES LOW VOLTAGE CAUSED BY POOR BATTERY POOR ALTERNATOR HEAVY DRAW ON POWER FROM COMPETITION STEREOS OR ANY LOW VOLTAGE ISSUES ALLOWS HID CONVERSION KITS TO GET POWER DIRECTLY FROM THE BATTERY AND NOT THROUGH THE VEHICLES WIRING PLEASE SPECIFY HEADLIGHT BULB SIZE IN NOTES DURING CHECKOUT SO WE CAN GET YOU THE RELAY WITH CORRECT PLUG ENDS.