10 Best Wiring Harness Kit For Led Lights of December 2025

• Universal fitment this wiring harness is compatible with all automobiles boats and devices equipped with a 12V DC power source
• Great switch built-in two premium LEDs emit soft light to illuminate the patterns easy for you to find the switch in the dark
• Efficient protection power relay for safety protection and conversion circuit blade fuse protect against overcurrent and short circuit
• Premium quality excellent electrical conductivity outstanding bending performance high temperature and melting resistant longer lifespan
• Package include 1 x wiring harness kit 1 x 5 pin LED rocker switch 1 x instructions

Nilight

• UNIVERSAL FIT: compatible with all automobiles, boats and devices equipped with a 12V power source
• CIRCUIT PROTECTION: Power relay-safety protection and conversion circuit. Blade fuse protects the circuit when overcurrent or short circuit occurs
• ILLUMINATED SWITCH: 3 pin on/off rocker switch with red indicator light when truing on, easy to turn on or off, has been passed test of 5, 000 times pressing
• TWO AVAILABLE LEADS: With 2 sets of light output connectors for dual lighting fixtures less than 180W, the connection is more stable
• PACKAGE INCLUDE:2 x Wiring Harness Kit ,1 x Instructions

Nilight

• Premium Quality: excellent electrical conductivity, outstanding bending performance, high temperature and melting resistant, longer lifespan
• Protective blade fuse: inline blade fuse prevents from overcurrent or short circuit. Three extra fuses, more scientific and reasonable
• Reliable power relay: made of Advanced materials and well conductive pins to ensure safety protection and conversion circuit
• Durable switch: high quality 5 pin on-off rocker switch with laser-etched pattern, simple to install and convenient to use
• Package include: 1 x wiring harness kit, 1 x 5 pin LED rocker switch, 1 x instruction
• Fit Type: Universal Fit

Nilight

• Universal fitment this wiring harness is compatible with all automobiles, boats and devices equipped with a 12V DC power source
• Efficient protection, power relay for safety protection and conversion circuit blade fuse protected against overcurrent and short circuit
• Great switch built-in two premium LEDs emit soft light to illuminate the patterns easy for you to find the switch in the dark
• Premium quality, excellent electrical conductivity outstanding bending performance, high temperature and melting resistant longer lifespan
• Package includes 1 x wiring harness kit 1 x 5 pin LED rocker switch 1 x instructions

Nilight

• Two Available Leads: 12 foot extendable wiring harness, two sets of light output connectors for dual light fixtures less than 180W
• Efficient Protection: Power relay and inline blade fuse act as the first line of defense against overcurrent and short circuit.
• Shining in the Dark: Built-in two premium LEDs emit soft light to illuminate the patterns, easy for you to find the switch in the dark
• Wide Application: Suitable for almost all 12V battery vehicles, such as Jeeps, ATVs, UTVs, cars, motorcycles, ships, yachts and trailers
• Package Includes: 1 x Wiring Harness Kit, 1 x 5 Pin LED Rocker Switch, 1 x Instructions

Nilight

• OVERVIEW - Nirider Nylon Wiring Harness Kit is designed to wire and operate up to 400W auxiliary lights or other devices. Harness complete with red indicator light rocker switch, relay, fuse and mounting hardware.
• NYLON MATERIALS - The high-tensile nylon jacket offers superior flexibility and strength, it can handle daily wear and tear, ensuring long-lasting performance. Nylon jackets enhance durability and heat dissipation while adding a factory look.
• APPLICATIONS - Compatible with all vehicles, powersports, boats, and devices equipped with a 12V power source. Easy to set up, fit for most of LED light bars in the market. Illuminated red indicator for visibility and ease of use. 14.7ft total cable length, there's enough wire to reach all the way to the end of your vehicles.
• SAFETY & DURABILITY - Heat-resistant, no need to worry about over-current or over-temperature conditions. Waterproof design for safety, relay uses 4 poles, fuse with waterproof rubber cap and is sealed for added moisture protection. The switch has been tested repeatedly to ensure durability.
• BOX COME WITH - 14.7ft 1 lead wiring harness, on/off rocker switch, plug-in style 40A relay, ATO style 30A fuse, male and female fully insulated connectors. Provide 12 MONTHS quality assurance. Quickly responded within 24 hours and good after-sales service.

NR NIRIDER

• Universal fit: this harness kit is compatible with all automobiles, boats and devices that use a 12V power source
• Two leads Available: with 2 Sets of light output connectors for dual lighting fixtures less than 180W, more stable connection
• Simple connection: equipped with DT connector, no wiring between LED light bar and the harness kit, simple and easy installation
• Circuit protection: power relays together with inline blade fuse to defense against overcurrent and short circuit, ensuring safety
• Package includes: 1 x 12 feet wiring harness kit, 1 x instructions

Nilight

• 10ft Extension Wires: 16AWG wiring harness extension cable. It’s enough to extend your wiring harness where you want to install lighting location to help you mount LED work lights in truck or cabin easily.
• High-quality: The Wiring Harness Extension Kit made of 16 Gauge flexible strand copper wire, rubber protected, High quality PVC insulation tube protect the whole harness from overheat.
• Play and Plug design makes the extension wires installed easily
• Wide Application: Suitable for almost all 12V battery vehicles, such as jeeps, ATVs, UTVs, cars, motorcycles, ships, yachts and trailers
• Package Include: 2 x Wiring Harness Extension Kit
• Fit type: Universal Fit

Nilight

• Universal fit: Compatible with all automobiles, boats and devices equipped with a 12 volt power source
• Circuit protection: Power relay-safety protection and conversion circuit. Blade fuse protects the circuit when overcurrent or short circuit occurs.
• Illuminated switch: 3 pin on/off rocker switch with red indicator light when truing on, easy to turn on or off, has been passed test of 5,000 times pressing.
• Two available leads: With 2 sets of light output connectors for dual lighting fixtures less than 180W, the connection is more stable.
• Package include:1 x wiring harness kit, 1 x instructions.

Nilight

• Two Available leads: 12 feet extendable wiring harness, two Sets of light output connectors for dual light fixtures less than 180W
• Efficient protection: power relay and inline blade fuse ACT as the first Line of defense against overcurrent and short circuit
• Shining in the dark: built-in two premium LEDs emit soft light to illuminate the patterns, easy for you to find the switch in the dark
• Wide application: suitable for almost all 12V battery vehicles, such as jeeps, ATVs, UTVs, cars, motorcycles, ships, yachts and trailers
• Package include: 1 x wiring harness kit, 1 x 5 pin LED rocker switch, 1 x instructions

Nilight