Our H4 Headlight Relay Wiring Harness Socket Plug Kit is engineered to resolve issues such as dim headlights, flickering lights, back feeding power, and overheating plugs or headlight switches. Designed for seamless integration with H4 9003 headlights, this kit features built-in durable relays and high-temperature ceramic sockets to protect your vehicle’s electrical system. Constructed from high-quality PE pipe and heat-resistant ceramic materials, it ensures long-lasting performance without melting or aging. Pre-wired for plug-and-play installation, it supports HID conversion kits without triggering errors and provides consistent 4000K cool white illumination for reliable visibility.

Key Features

  • Fixes dim headlights, flickering lights, back feeding power, and overheating plugs
  • Built-in dual durable relays for circuit protection
  • High-temperature ceramic headlight sockets
  • 12V working voltage and max wattage of 150W
  • Made from anti-aging, corrosion-resistant PE pipe and heat-resistant ceramic material
  • No error installation with HID conversion kits
  • Pre-wired plug-and-play design
  • Light colour: 4000K Cool White
  • Brightness: 100 lumens

What’s Included

  • 1 x H4 Headlight Relay Wiring Harness Socket Plug Kit
Specification Details
Product TypeHeadlight Relay Wiring Harness Kit
MaterialPE pipe and high-frequency ceramic
ColorCool White
Dimensions23.5 x 13.3 x 6.9 cm
Weight260 g
Voltage12V
Wattage150W Max
ApplicationsH4 9003 Headlights, HID Conversion Kits

Do you offer international shipping?

We currently do not offer shipping outside of the United Kingdom.

What warranty do you provide on your lighting products?

All our lighting products come with a 1-month money-back guarantee and a 2-year replacement warranty for your peace of mind.

What delivery options are available?

We provide a range of delivery options, including next-day delivery and standard economy shipping, to suit your needs.

Are your lights energy-efficient?

Yes, the majority of our products use LED technology, which consumes less energy and has a longer lifespan compared to traditional lighting options. This helps save on energy bills while being environmentally friendly.

Can I return the order if there is any issue?

Yes, you can return the order back if you are not satisfied with the product, or if there is any fault, we will proceed with a replacement or a refund as per your satisfaction.

How can I contact customer support?

You can reach our customer service team via email, live chat, or by phone. Our support hours are Monday to Friday, 9:00 AM to 5:00 PM.

Related Products