H4 headlight socket wiring harness connector: If PINs on your vehicle are not standard to guarantee your 4"x6" 7"x6" 5"x7" work normally like neither low beam nor high beam work on your vehicle, this H4 Wiring Harness is needed. It will make your HID/LED Headlight/Fog Light retrofit easier a lot.
Plug the LED bulb directly into the LED socket, no soldering is required when connecting the LED bulb.The wire at the other end is connected to the relay of the car headlight and ground.
Compatible with most bulbs, such as H4, HB2, 9003, ect.
Ceramic base, heat resistant, temperature withstand up to 1800 F, no melt, no fire
DC 12V. Maximum allowable current: 9.4A, allowable current of natural operation 8.2A.