Features & Benefits
- Safe and reliable wiring harness
- Made of high heat resistant PE pipe
- Waterproof for stable work and high performance
- No need to modify spare wires
- Easy to replace and install
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- 1Set H4 Relay Harness, H4 Headlight Relay Har...
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Item #:
79570354
1Set H4 Relay Harness, H4 Headlight Relay Harness H4 Wiring Harness Headlight Relay Kit, DC 12V 80A PE Waterproof Cord Kit Headlamp Brightener, High
88% of respondents would recommend this to a friend
Item #:
79570354
0 ratings
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💡【SAFE AND RELIABLE】The wiring harness is made of PE pipe, endowing it with high heat resistance without hardening. The product is waterproof, which can ensure stable work and high performance, so you can use it with confidence.
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What Stands Out
High Heat Resistance
Constructed with materials designed to withstand high temperatures, ensuring durability and longevity in extreme automotive conditions without hardening over time.
PE Waterproof Cord
The harness features a PE waterproof cord, providing reliable protection against moisture, enhancing performance, and reducing the risk of electrical faults in wet conditions.
80A Power Handling
Capable of supporting up to 80A, this relay harness ensures optimal power delivery for headlight brightness, addressing common issues with dim lights while enhancing visibility and safety on the road.
Product Details
- 1Set H4 Relay Harness for Headlights
- Made of PE material for high heat resistance and durability
- Rated voltage of 12VDC with a current of 80A
- Waterproof design for added protection
- Includes 1 Headlight Relay and 3 Nylon Cable Ties
- Suitable for vehicles with a 12V battery and H4 bulbs
| Connector Type | Plug-In |
| Contact Type | Normally Open |
| Current Rating | 80 Amps |
| Mounting Type | Plug In Mount |
| Operation Mode | Automatic |
| Wattage | 1.8 watts |
| Coil Voltage | 12 Volts (DC) |
| Contact Current Rating | 80 Amps |
| Maximum Switching Current | 80 Amps |
| Maximum Switching Voltage | 7.8 Volts |
| Minimum Switching Voltage | 7.8 Volts |
| Number of Terminals | 3 |
| Brand | Folany |
| Unit Count | 1.0 count |
| Country Of Origin | China |
| Global Trade Identification Number | 07861201600559 |
| Manufacturer | Folany |
| Manufacturer Part Number | Folanyoe6wg8z2nd8717 |
| Contact Material | Copper |
| Item Weight | 1 lbs (450 grams) |
Who Should Buy?
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Car Enthusiasts
Ideal for car enthusiasts looking to improve headlight performance and luminosity with a reliable relay harness.
-
DIY Installers
Perfect for DIYers who want to install or upgrade their vehicle’s lighting system without complex wiring.
-
Off-Road Drivers
Useful for off-road drivers needing robust, waterproof lighting solutions that can withstand harsh environments.
-
Casual Users
Not suitable for casual users who require simple plug-and-play solutions without extensive installation efforts.
Product Description
Have any Query? Chat with us
Customer Questions & Answers
-
Question:
What is the material of the wiring harness?
Answer: The wiring harness is made of PE pipe. -
Question:
Is the product waterproof?
Answer: Yes, the product is waterproof. -
Question:
Is modification of spare wires required?
Answer: No, there is no need to modify spare wires.
Folany Relays Editorial Review
1Set H4 Relay Harness, H4 Headlight Relay Harness H4 Wiring Harness Headlight Relay Kit, DC 12V 80A PE Waterproof Cord Kit Headlamp Brightener, High Heat Resistance Without Hardening offers a reliable solution for enhancing your vehicle's lighting system. Users praise its ease of installation, labeling it a great ready-made loom for relay conversion. The harness is designed with a connector type that allows for simple plug-in mounting, while the automatic operation mode ensures efficient performance. Additionally, the product's high heat resistance prevents any hardening, making it a durable choice for long-term use.
Customer Reviews & Ratings
9 customers ratings
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5 Star
60%
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4 Star
9%
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3 Star
12%
-
2 Star
19%
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1 Star
0%
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Pros
- Easy installation with plug-in mounting
- High heat resistance for durability
- Designed for efficient lighting
- Saves time compared to DIY wiring
- Rated for 80 amps for performance
Cons
- Does not handle switched ground configurations well
Platform Trust & Buyer Confidence
RA
Ranee
Verified buyer
“Paint ordered from USA, u buy got the product to me in New Zealand in approx a week”
22 July 2026 · via Trustpilot
NC
NordVPN
Verified buyer
“very speedy delivery,tracking info was superb-best experikence ever!!!”
24 June 2026 · via Trustpilot
NH
Nicholas
Verified buyer
“Love what I received and ordered found that usa clothes are more better quality and look better than the same clothes in my country but are harder to find here recommend ubuy 100%”
22 June 2026 · via Trustpilot
D
Dneah
Verified buyer
“Product came earlier than expected (shipped from US to NZ), in about 3 weeks. No damages and product was exactly as advertised!”
15-Jul-26 · via Trustpilot
TS
Tania
Verified buyer
“Easy to order, easy to track and the product is great to use. Also, the person-to-person (not automated) phone call I got to confirm that I'd received the item was wonderful ??”
11-Jul-26 · via Trustpilot
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