Headlight Wiring Harness Universal H4 12V/24V Relay Kit

Car Headlight H4 Brightening Wiring Harness, H4 LED Headlight Wiring Harness, Universal H4 Head Light Relay Harness Kit

Application
It is ideal for drivers upgrading to H4 LED headlights on sedans, SUVs, or trucks who experience dim output, flickering, or dashboard errors and need a reliable plug-and-play wiring harness to achieve great brightness in rain, heat, or rugged road conditions.

Specification
Color: Black
Material: Copper
Suitable Voltage: DC 5-32V (Supports 12V/24V Models)
Rated Power: 200W
Interface Specification: H4
Protection Level: IP66
Product Size: 162*5*3cm/63.78*1.97*1.18in
Package Size: 23.3*8.8*7.5cm/9.17*3.46*2.95in
Gross Weight: 0.28kg/0.62 lbs
Net Weight: 0.25kg/0.55 lbs

Package Included
1* H4 Brightening Wiring Harness Kit

Notes

Please allow the slight color difference caused by the shooting light and a 1-3cm error due to manual measurement, and make sure you do not mind before ordering.

 
Shipping:
 
2-9 working days to: USA
 
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    • We maintain high standards of excellence and strive for hundred percent customer satisfaction. Feedback is very important to us. We hope that you contact us immediately before you give neutral or negative feedback, so that we can address your concerns. It is impossible to address issues if we do not know about them!
 
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Your satisfaction is our ultimate goal. We work hard to earn your trust and future business. Our certified technicians have tested each item before shipping. The unit comes with 1 year limited warranty on all manufacturing defects.
a) If you receive a defective item, you may return it or ask for a discount. Please contact us within 14 days after you receive the package.
b) What you returned must be intact and in its original packaging as re? u. Customer is responsible for shipping costs of the returned item.
c) We will cover the cost of shipping back t with the shipping rate indicated in the registration page. We will send you a new unit or refund the full payment you paid.
Thank you.
 
Monday To Friday: 8:30 AM to 5:00 PM (Beijing China time)
Due to time zones, our reply to your questions may not be immediately. But within above working time, we will reply your email within 24 hours. If it's non-workdays, please kindly be patient and wait till Monday.
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Please feel free to contact us if you have any questions.
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On Oct 28, 2026 at 23:01:23 PDT, seller added the following information:

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