HOPKINS NTI-01 Trailer Wiring Harness Kit Relay Fuse Qs 4-WAY

( Brand: Hopkins ), ( Manufacturer Part Number: NTI-01 ), ( Part Type: Wiring Fuse Trailer Harness )

Review HOPKINS 4-way Trailer Wiring Harness Kit Relay Fuse Universal Qs

The Hopkins NTI-01 4-WAY Trailer Wiring Harness Kit is a must-have accessory for any tow vehicle or trailer owner seeking a reliable and easy-to-install solution for their electrical connection needs. This versatile wiring harness kit is designed to provide a secure and efficient power distribution system for various trailer applications.

The Hopkins NTI-01 harness kit includes four-way flat connector (7-pin to 4-pin adapter), a 7-pin to 6-pin adapter, a 6-pin to 2-pin adapter, and a 7-pin to 2-pin adapter. These adapters offer flexibility in connecting different types of trailers to various tow vehicles. Additionally, this kit comes with a set of fuse holders and fuses to ensure proper power distribution and protection against electrical overloads.

The kit features a durable design with weather-resistant, UV-protected wiring and a waterproof connector cover. This ensures reliable performance even in harsh environments. The wiring harness is also pre-assembled and color-coded for easy identification and connection.

The Hopkins NTI-01 4-WAY Trailer Wiring Harness Kit is compatible with most standard 7-pin and 6-pin trailer plugs and can be used with various types of trailers, including utility trailers, car trailers, and camping trailers. This harness kit is an essential upgrade for any tow vehicle or trailer owner looking to simplify their wiring connections and enhance their towing experience.

The Hopkins NTI-01 4-WAY Trailer Wiring Harness Kit is a high-quality and easy-to-install solution for those seeking a dependable and efficient way to connect their tow vehicle and trailer. With its versatile adapters, durable design, and included fuse holders and fuses, this harness kit offers peace of mind and convenience for all your towing needs.

The Hopkins NTI-01 4-way Trailer Wiring Harness Kit with Relay and Fuse Block is a popular solution for those looking to properly wire and power their trailer lights. Here are some pros and cons that might help you make an informed decision:

1. Compatibility: This wiring harness kit is designed to fit most trailers and works with both 4-pin and 7-pin connector types.

2. Convenience: The kit includes a fuse block and relays, making it easier to install and manage your trailer's electrical system.

3. Safety: Properly wired trailer lights are essential for safe towing, and this kit helps ensure that your lights are functioning correctly.

4. Quality: Hopkins is a well-known brand in the automotive and trailer industry, and this kit is built to last.

5. Easy installation: The kit includes clear instructions and color-coded wiring, making installation as straightforward as possible.

1. Cost: While this kit offers many benefits, it may be more expensive than other wiring harness options.

2. Size: The fuse block and relay assembly can be quite large, taking up more space in the trailer's electrical compartment.

3. Limited compatibility: While this kit fits most trailers, it may not be suitable for all trailer models or custom wiring configurations.

The Hopkins NTI-01 4-way Trailer Wiring Harness Kit with Relay and Fuse Block is a reliable and convenient solution for properly wiring your trailer's lights. Its ease of installation, compatibility with various trailer connector types, and built-in fuse block and relays make it a worthwhile investment for safe and efficient towing. However, its higher cost and larger size may be drawbacks for some potential buyers.

If you are looking for a reliable and easy-to-install wiring solution for your trailer lights, the Hopkins NTI-01 4-way Trailer Wiring Harness Kit with Relay and Fuse Block is a solid choice. Despite its higher cost, the convenience and safety it offers make it a worthwhile investment for those who prioritize their trailer's electrical system. However, if cost is a concern, you may want to consider alternative wiring harness options that are more budget-friendly.

Details:

Fused Protection: Features an in-line 15-amp blade fuse to protect your vehicles wiring from shorts and overloads. Ideal For Adding a trailer hitch and wiring to vehicles without existing tow packages. Standard Connector: Equipped with a genuine Hopkins 4-way flat connector, compatible nearly all standard small utility, boat, and snowmobile trailers. This kit provides a reliable, fused power source and uses relay for safe operation, ensuring your vehicles electrical system is protected.

Ensuring proper isolation and protection between the vehicle trailer electrical systems. Key Features Complete Kit: Includes everything needed to install basic trailer lighting: power wire with ring terminal, in-line fuse holder, 12V relay, and vehicle-side 4-way flat connector. Essential Lighting Functions: Provides connections for Tail/Burn, Right Turn/Brake, and Left Turn/Brake lights. Relay-Controlled: Uses a robust Panasonic 15-amp relay JSM1-12V-5 allowing low-current trigger signal to safely power high-draw trailer lights.

DIY installations of aftermarket trailer wiring. This is a complete, pre-assembled wiring solution for adding essential trailer lighting functionality to your vehicle.

part #: nti01 price

• $14.99

specifications incartechno:

• brand: Hopkins
• mpn: Nti-01
• part type: Wiring Fuse Trailer Harness

general incartechno:

• condition: Used
• Parts Accessories > In-Car Technology, GPS Security > Other In-Car Technology

seller incartechno:

• city: Sterling, Illinois
• # reviews: 9319
• rating: 99.3%

offer incartechno:

• quantity: 1
• started: January 9, 2026
• best offers: True
• sold: 0
• options: Ship-to-home
• availability: In Stock

returns incartechno:

• policy: Returns Accepted
• time: 30 Days
• paid by: Buyer

payments incartechno:

• wallet: Google-pay
• other
• credit card: Diners-club

shipping incartechno:

• cost: $9.99
• carrier: USPS
• service: USPS First Class
• transit: 4-8 Days
• class: Standard
• type: Fixed