---
product_id: 110362124
title: "Shiwaki H4 Headlight Relay Wiring Harness Socket Error Free Plug Malfunctioning Fix"
brand: "shiwaki"
price: "€ 21.05"
currency: EUR
in_stock: true
category: "Automotive"
url: https://www.desertcart.pt/products/110362124-shiwaki-h4-headlight-relay-wiring-harness-socket-error-free-plug
store_origin: PT
region: Portugal
---

# Shiwaki H4 Headlight Relay Wiring Harness Socket Error Free Plug Malfunctioning Fix

**Brand:** shiwaki
**Price:** € 21.05
**Availability:** ✅ In Stock

## Quick Answers

- **What is this?** Shiwaki H4 Headlight Relay Wiring Harness Socket Error Free Plug Malfunctioning Fix by shiwaki
- **How much does it cost?** € 21.05 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.pt](https://www.desertcart.pt/products/110362124-shiwaki-h4-headlight-relay-wiring-harness-socket-error-free-plug)

## Best For

- shiwaki enthusiasts

## Why This Product

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

## Description

Description: - This is a 7" halogen H4 Headlight Relay Harness with High Heat Ceramic Plugs for Cars & Trucks With 2 Headlights(High & Low Beams Plug and Play Harness!) It can make your headlight brighter by 30% -50%. - If you are upgrading to Halogen Bulbs or are having trouble with your headlights not working properly, this is your fix!!Specification: - This harness fixes: - Dim Headlights - Back Feeding Power - Flickering Headlights - Malfunctioning Headlights when using Hi/Low Beams - Overloading the Headlight Switch - Overheating PlugsPackage Includes:1 Piece H4 Harness

## Features

- This is a 7" halogen H4 Headlight Relay Harness with High Heat Ceramic Plugs for Cars & Trucks With 2 Headlights(High & Low Beams Plug and Play Harness!) It can make your headlight brighter by 30% -50%.
- If you are upgrading to Halogen Bulbs or are having trouble with your headlights not working properly, this is your fix!!
- ›See more product details

## Images

![Shiwaki H4 Headlight Relay Wiring Harness Socket Error Free Plug Malfunctioning Fix - Image 1](https://images-na.ssl-images-amazon.com/images/I/61%2BbbVHj5IL.jpg)
![Shiwaki H4 Headlight Relay Wiring Harness Socket Error Free Plug Malfunctioning Fix - Image 2](https://images-na.ssl-images-amazon.com/images/I/61QOfqjHr2L.jpg)
![Shiwaki H4 Headlight Relay Wiring Harness Socket Error Free Plug Malfunctioning Fix - Image 3](https://images-na.ssl-images-amazon.com/images/I/61Hu443cgcL.jpg)
![Shiwaki H4 Headlight Relay Wiring Harness Socket Error Free Plug Malfunctioning Fix - Image 4](https://images-na.ssl-images-amazon.com/images/I/51moYvY2ZCL.jpg)
![Shiwaki H4 Headlight Relay Wiring Harness Socket Error Free Plug Malfunctioning Fix - Image 5](https://images-na.ssl-images-amazon.com/images/I/51Pw5TbVC3L.jpg)

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**Shop now:** [https://www.desertcart.pt/products/110362124-shiwaki-h4-headlight-relay-wiring-harness-socket-error-free-plug](https://www.desertcart.pt/products/110362124-shiwaki-h4-headlight-relay-wiring-harness-socket-error-free-plug)

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*Product available on Desertcart Portugal*
*Store origin: PT*
*Last updated: 2026-05-12*