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Item #:
142668073
Painless Performance 30815 Headlight Relay Conversion Harness for H-4 Halogen Bulbs
Item #:
142668073
SAR 733
Price Details
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*All items will import from US
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Imported from USA store
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Order now and get it around Tuesday, August 25
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Our headlight harness draws power directly from the battery, through a relay, to the headlights, providing full power to your H4 conversion headlights or halogen sealed beams.
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What Stands Out
Easy Installation
The Painless Performance Headlight Relay Conversion Harness is designed for simple plug-and-play installation, eliminating complex wiring tasks, allowing users to upgrade their headlights effortlessly.
Enhanced Lighting
Upgrades to H-4 halogen bulbs provide brighter and more efficient lighting, improving visibility on the road, which elevates safety and driving comfort during nighttime conditions.
Durable Components
Constructed from high-quality materials, this harness ensures longevity and reliability, reducing the need for frequent replacements and enhancing the overall performance of your vehicle’s lighting system.
Product Details
| Light Source | Halogen |
| Wattage | 150 watts |
| Fit Type | Vehicle Specific Fit |
| Auto Part Position | Front |
| Automotive Fit Type | Vehicle Specific Fit |
| Brand Name | Painless |
| Included Components | H4 Headlight Relay Conversion Harness; For H-4 Halogen Bulbs; |
| Number of Pieces | 7 |
| Manufacturer Part Number | 30815 |
| UPC | 749823308152 |
| Set Name | H4 Halogen Headlight Relay Conversion Kit (2 Relays, Harness, Fuse, Connectors) |
| Manufacturer | Painless Performance Products, LLC |
| Global Trade Identification Number | 00749823308152 |
| Model Number | 30815 |
| Part Interchange Info | 30815 |
| Unit Count | 1.0 Count |
| Item Type Name | Headlight Relay |
| Item Weight | 1.9 Pounds (860 grams) |
| Brand | Painless |
| Light Source Type | Halogen |
Who Should Buy?
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Classic Car Owners
Ideal for owners of classic cars seeking improved headlight performance without damaging original wiring.
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Night Drivers
Perfect for those who drive frequently at night, offering enhanced illumination and visibility on dark roads.
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DIY Enthusiasts
Suited for DIY car repair enthusiasts looking for an easy installation process to upgrade halogen headlights.
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Modern Vehicles
Not suitable for newer cars with existing high-performance lighting systems; may not offer significant benefits.
Product Description
Painless Performance 30815 Headlight Relay Conversion Harness for H-4 Halogen Bulbs
Have any Query? Chat with us
Customer Questions & Answers
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Question:
What is the Painless Performance 30815 Headlight Relay Conversion Harness?
Answer: The Painless Performance 30815 Headlight Relay Conversion Harness is a specialized wiring harness designed to facilitate the installation of H-4 halogen bulbs in various automotive applications. By connecting directly to your vehicle's existing electrical system, this harness improves the voltage supplied to the headlights, resulting in brighter and more efficient lighting. This unit is particularly beneficial when upgrading from old sealed beams to modern halogen bulbs, enhancing nighttime visibility and safety. -
Question:
How does the headlight relay system improve lighting performance?
Answer: The headlight relay system redirects the electrical current from the headlight switch to the headlights, thus reducing voltage drop caused by long wiring runs. This means that the headlights receive a higher voltage, which improves brightness and increases their effectiveness. Additionally, it minimizes load on the vehicle’s original wiring, leading to fewer electrical issues over time. This upgrade is perfect for vintage cars or vehicles with dim headlight problems. -
Question:
Is installation of the Painless Performance 30815 difficult?
Answer: Installation of the Painless Performance 30815 is straightforward for those with basic automotive wiring knowledge. The harness usually comes with clear instructions, and it typically requires just a few hand tools. It involves connecting the harness to the existing headlight wiring and securely mounting the relay, making it ideal for DIY enthusiasts who want to enhance their vehicle's lighting without professional help. -
Question:
What tools do I need to install the headlight relay harness?
Answer: To install the Painless Performance 30815 Headlight Relay Conversion Harness, you will need basic hand tools including a wire stripper, crimping tool, and possibly a screwdriver or socket set, depending on your vehicle. Having electrical tape can be helpful for securing connections, while zip ties are great for tidying up the wiring. This set of tools should be sufficient for successfully completing your lighting upgrade. -
Question:
What vehicles are compatible with the Painless Performance 30815 harness?
Answer: The Painless Performance 30815 harness is designed to be versatile and fits a wide range of vehicles that use H-4 halogen bulbs. This includes many classic cars, trucks, and even some modern vehicles. However, it is essential to check your vehicle's specific needs and compatibility details to ensure a proper fit, especially if it’s a unique model or year. This compatibility makes it an excellent choice for enthusiasts looking to modernize their vehicle’s lighting. -
Question:
Can I use LED bulbs with this harness?
Answer: While the Painless Performance 30815 harness is designed for H-4 halogen bulbs, you can use it with LED bulbs as long as they are compatible with the H-4 socket type. However, ensure that you use a suitable LED replacement that doesn’t exceed the electrical specifications of your vehicle to avoid any potential issues. This compatibility allows you to take advantage of improved efficiency and longevity offered by LED technology. -
Question:
What are the benefits of upgrading to H-4 halogen bulbs?
Answer: Upgrading to H-4 halogen bulbs provides several advantages over traditional sealed beam headlights. Halogen bulbs offer brighter illumination, better color temperature, and improved light range, enhancing visibility during nighttime driving. Additionally, they tend to have a longer service life compared to older bulb types. This upgrade can significantly enhance driving safety and contribute to a better overall driving experience. -
Question:
What safety considerations should I keep in mind with new headlight installations?
Answer: When installing new headlights, safety is paramount. Ensure that all connections are secure and insulated to prevent short circuits. Align your headlights properly to avoid blinding oncoming drivers, which can lead to dangerous situations. Regularly check the functionality of all lights after installation to ensure everything is working correctly. This proactive approach helps maintain safe driving conditions and compliance with road regulations. -
Question:
Where can I buy the Painless Performance 30815 Headlight Relay Conversion Harness in Saudi Arabia?
Answer: You can purchase the Painless Performance 30815 Headlight Relay Conversion Harness through Ubuy in Saudi Arabia. They offer a reliable online shopping platform with a range of automotive products, making it convenient to find and buy the harness you need. With Ubuy, you'll be able to explore a variety of options tailored to your specific automotive needs. -
Question:
Are there any aftermarket accessories I should consider with this harness?
Answer: When upgrading to the Painless Performance 30815 harness, consider pairing it with high-performance H-4 halogen bulbs and additional wiring upgrades for enhanced durability and performance. Additionally, using headlight covers can help protect your bulbs from damage. This combination can maximize the effectiveness of your new lighting system and ensure a long-lasting, efficient illumination setup for your vehicle.
Painless Wiring Harnesses 30815 Editorial Review
**** The Painless Performance 30815 Headlight Relay Conversion Harness for H-4 Halogen Bulbs has garnered a mixed reception from customers, largely centered around its quality and installation ease. Many enthusiasts appreciate the significant upgrade this harness provides for headlight performance, with most users noting that it boosts voltage, resulting in brighter lights and reduced amp load on the headlight switch. The inclusion of high-quality Hella relays and robust wiring contributes to a more reliable performance, alleviating concerns about potential electrical fires that cheaper options might overlook. Installation has generally been described as straightforward, making it an ideal solution for those looking to replace outdated wiring or improve their vehicle's lighting. However, some customers encountered issues with connector sizing, which necessitated additional cutting and splicing not anticipated in a premade harness, leading to dissatisfaction with the perceived value of the product. While the quality and performance are highlighted as key strengths, the price point has raised eyebrows, with some users questioning whether the benefits justify the cost compared to assembling a custom wiring harness. The Painless Performance harness is recognized for its superior materials and safety features, but potential buyers must weigh the convenience of a complete kit against the possibility of a more economical DIY approach. **
Customer Reviews & Ratings
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Pros
- High-quality components and materials including Hella relays.
- Improves voltage at headlights, resulting in brighter lighting.
- Reduces amp load on the headlight switch, minimizing fire risks.
- Simple installation process for many users.
- Generous wire length allows for customization when needed.
Cons
- Higher price compared to cheaper import alternatives.
Platform Trust & Buyer Confidence
MA
Mekki
Verified buyer
“Arrive before time, excellent products”
9 July 2026 · via Trustpilot
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Farrah
Verified buyer
“A very big Thank you to HUDA and the Ubuy Team in helping to send my order to me yesterday!! Order # 62606425316 Customer service and operations is top for this online shopping company and I am very satisfied with the way they handle issues. THANK YOU once again!!”
25 June 2026 · via Trustpilot
AF
Anila
Verified buyer
“Good experience of shopping through Ubuy.”
16 June 2026 · via Trustpilot
MG
Mohamed
Verified buyer
“We feel very good about the delivery time, and the materials we received matched our order.”
14-Jul-26 · via Trustpilot
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Essam
Verified buyer
“Perfect service and fast delivery.”
16-Jul-26 · via Trustpilot
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SAR 733
Order now and get it around Tuesday, August 25
This item is not restrict in my country.(Please click on above link if this item is not restrict in your country, So our team will review and allow.)
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Features & Benefits
- Designed for H-4 halogens headlights to maximize power.
- Direct battery connection ensures optimal headlight performance.
- Includes two 40-amp weatherproof relays for durability.
- Capable of supporting up to 150 Watts with a 30-amp fuse.
- Ideal for relocating headlights to a remote location.
- Compatible with factory headlights and harness for easy installation.
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