---
product_id: 293057359
title: "O-NEX HID Relay Harness H4 (9003 HB2) 12V 35W/55W Bi-Xenon Hi/Lo H/L Wiring Controller"
brand: "o-nex"
price: "171.56 DT"
currency: TND
in_stock: true
category: "O Nex"
url: https://www.desertcart.tn/products/293057359-o-nex-hid-relay-harness-h4-9003-hb2-12v-35w
store_origin: TN
region: Tunisia
---

# 12V heavy-duty power 35W/55W dual wattage support Hi/Lo Bi-Xenon dual beam control O-NEX HID Relay Harness H4 (9003 HB2) 12V 35W/55W Bi-Xenon Hi/Lo H/L Wiring Controller

**Brand:** o-nex
**Price:** 171.56 DT
**Availability:** ✅ In Stock

## Summary

> ⚡ Illuminate your drive with precision and power — never settle for dim.

## Quick Answers

- **What is this?** O-NEX HID Relay Harness H4 (9003 HB2) 12V 35W/55W Bi-Xenon Hi/Lo H/L Wiring Controller by o-nex
- **How much does it cost?** 171.56 DT with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.tn](https://www.desertcart.tn/products/293057359-o-nex-hid-relay-harness-h4-9003-hb2-12v-35w)

## Best For

- o-nex enthusiasts

## Why This Product

- Trusted o-nex brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Dual Beam Mastery:** Effortlessly switch between high and low beams with precision Bi-Xenon control.
- • **Plug & Play Power Boost:** Seamlessly supports both 35W and 55W HID kits for ultimate brightness flexibility.
- • **Durable Heavy-Duty Design:** Built to withstand rigorous automotive demands for long-lasting performance.
- • **Optimized 6000K Brightness:** Experience crisp, daylight-white illumination at 3500 lumens for superior road visibility.
- • **Universal Left & Right Fit:** One harness connects both sides, simplifying installation and reducing clutter.

## Overview

The O-NEX HID Relay Harness H4 (9003 HB2) is a robust 12V wiring controller designed for 35W and 55W Bi-Xenon HID kits. Featuring dual beam Hi/Lo functionality, it supports both left and right side installations with a heavy-duty build, delivering 6000K daylight-white light at 3500 lumens for enhanced visibility and reliable automotive performance.

## Description

International products have separate terms, are sold from abroad and may differ from local products, including fit, age ratings, and language of product, labeling or instructions.

## Features

- H4 9003 HB2 Bi-Xenon (Hi/Lo) Battery Wiring Harness
- Bi-Xenon HID Relay Harness, works with both 35w and 55W HID Kit, heavy duty design.
- Dual Beam High and Low (Hi/Lo H/L) functionality for most after-market hid.
- 1 Harness will connect to both left and right side
- For 35W/55W Hi Lo Bi-Xenon type HID installation only.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B01CTIDBJ2 |
| Auto Part Position | Front |
| Automotive Fit Type | Vehicle Specific Fit |
| Brand Name | O-NEX |
| Color Temperature | 6000 Kelvin |
| Customer Reviews | 4.2 4.2 out of 5 stars (477) |
| Fit Type | Vehicle Specific Fit |
| Global Trade Identification Number | 00732341334307 |
| Included Components | HID Relay Harness, Bulbs |
| Light Color | Red |
| Light Output Maximum | 3500 Lumens |
| Light Source | HID |
| Manufacturer | O-NEX |
| Manufacturer Part Number | HID-RLH4 |
| Model Number | H4 |
| Number of Pieces | 2 |
| Set Name | O-NEX HID Relay Harness H4 (9003 HB2) Bi-Xenon Hi/Lo Conversion Kit (2 Piece) |
| UPC | 732341334307 |
| Voltage | 12 Volts |
| Wattage | 35 watts |

## Product Details

- **Brand:** O-NEX
- **Fit type:** Vehicle Specific Fit
- **Included components:** HID Relay Harness, Bulbs
- **Light source type:** HID
- **Wattage:** 35 watts

## Images

![O-NEX HID Relay Harness H4 (9003 HB2) 12V 35W/55W Bi-Xenon Hi/Lo H/L Wiring Controller - Image 1](https://m.media-amazon.com/images/I/711Wd4q4CjL.jpg)

## Available Options

This product comes in different **Size** options.

## Questions & Answers

**Q: I need a harrness to hook up to H11**
A: H11 will work this harness but for 80's model 3 prong light switch systems

**Q: Does this keep the low beam on when high beams are turned off? My 99 4runner automatically turns off low beam when high beam is switched**
A: no, it is only for bi-xenon hid kit relay replacement.

**Q: Will these work on led bulbs as well? having drl issues**
A: no, it does not fix drl issue. not for LED Bulbs.

**Q: I have fahren 9005/hb3 led headlight bulbs, 60w  will these work with this kit (96 ciivcex 2dr)?**
A: NO.

## Frequently Bought Together

- O-NEX HID Relay Harness H4 (9003 HB2) 12V 35W/55W Bi-Xenon Hi/Lo H/L Wiring Controller
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**Shop now:** [https://www.desertcart.tn/products/293057359-o-nex-hid-relay-harness-h4-9003-hb2-12v-35w](https://www.desertcart.tn/products/293057359-o-nex-hid-relay-harness-h4-9003-hb2-12v-35w)

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*Product available on Desertcart Tunisia*
*Store origin: TN*
*Last updated: 2026-08-16*