Best ATV Wiring Harness Kits

Looking for the best ATV wiring harness kits? We’ve curated a list of the top 10 options to help you find the perfect fit for your ATV, ensuring a smooth and hassle-free upgrade or repair experience.

ATV wiring harness kits are essential for keeping your ride running smoothly. Whether you’re upgrading or fixing your ATV, the right kit makes all the difference. We’ve got you covered with the best options out there.

These kits are easy to install, durable, and compatible with many ATV models. They include everything you need, from wires to ignition coils, for a hassle-free setup.

Get ready to rev up your ATV with confidence. Our guide will help you find the perfect kit for your needs. Let’s get started!

List of Top 10 ATV Wiring Harness Kits

Title	Best For	Price
Complete Wiring Harness Kit, Powersports Wiring Harnesses Kit, Gy6 150cc Wiring Harness, 150cc ATV Wiring Harness Kit for ATV Quad 4 Four Wheelers 150CC 200CC 250CC Go Kart Wiring Harness by HOOTO	This complete wiring harness kit is perfect for anyone who owns a 150cc, 200cc, or 250cc ATV, Go Kart, or Quad. It’s ideal for upgrading or replacing your existing wiring system easily.	View on Amazon (paid link)
125cc Wiring Harness 110cc ATV Wiring Harness Kit for Chinese ATV Wiring Harness Compatible with GY6 Taotao Kazuma Baja 50cc 70cc 90cc 110cc 125cc 150cc ATV Go Kart Scooter Pit Bike Quad Moped	This 125cc Wiring Harness Kit is perfect for owners of Chinese-made ATVs, go-karts, scooters, and pit bikes. It’s ideal for those needing a complete wiring solution for engines 50cc to 150cc.	View on Amazon (paid link)
Complete Electrics Wiring Harness Coil Stator Solenoid Relay CDI Spark Plug for 4 Wheelers Stroke ATV 50cc 70cc 90cc 110cc 125cc Go Kart Pit Quad Dirt Buggy Bike Parts By OTOHANS AUTOMOTIVE	This complete electrics wiring harness is perfect for owners of Chinese-made ATVs, Go Karts, and Pit Bikes with 50cc to 125cc engines. It’s ideal for those needing a full replacement kit to fix or upgrade their vehicle’s electrical system.	View on Amazon (paid link)
Complete GY6 Wiring Harness kit for Wiring Harness 50cc 70CC 90CC 110CC 125cc 4 Stroke ATV Dirt Bike Moped Quad Go Kart Scooter Electrics Stator Coil CDI Ignition Coil	This GY6 wiring harness kit is perfect for anyone fixing or upgrading a small engine vehicle. It works with ATVs, dirt bikes, go-karts, and scooters from 50cc to 125cc.	View on Amazon (paid link)
SHIQINHA Complete Wiring Harness Kit Compatible with Tao tao Coolster 125cc 110cc Chinese ATV Quad 4 Wheeler 4 Stroke Parts with Ignition Coil Stator CDI Box Starter Relay Solenoid Voltage Regulator	This SHIQINHA Complete Wiring Harness Kit is perfect for ATV owners who need a reliable and compatible wiring solution. It’s ideal for those with 50cc to 125cc Chinese ATVs, like Tao tao, Coolster, or Kazuma, looking to upgrade or replace their electrical system.	View on Amazon (paid link)
Full Wiring Harness Loom Coil Regulator CDI Solenoid Relay Spark Plug for 4 Stroke ATV 50cc 70cc 90cc 110cc 125cc Dirt Pit Bike Electric Start Engine by OTOHANS AUTOMOTIVE, Black	This wiring harness kit is perfect for ATV and dirt bike owners who need a reliable replacement for their 4-stroke engines. It’s ideal for those with 50cc to 125cc vehicles looking for an easy upgrade or repair solution.	View on Amazon (paid link)
EOPOAYI Electric Start Complete Wiring Harness & PZ20 Carburetor Kit Compatible with Tao tao Coolster 110cc 125cc Chinese ATV 4-Stroke Engine Quad 4 Wheeler Parts with Ignition Coil Rectifier CDI Box	This EOPOAYI Electric Start Complete Wiring Harness & PZ20 Carburetor Kit is perfect for owners of Chinese ATVs like Tao tao, Coolster, Kazuma, Baja, X-pro, Vitacci, Icebear, and others. It’s ideal for those looking to upgrade or replace parts on their 70cc, 90cc, 110cc, or 125cc 4-stroke engines.	View on Amazon (paid link)
EOPOAYI Electric Wiring Harness Kit Compatible with Taotao Coolster 110cc 125cc Chinese ATV Quad 4 Wheeler 4-Stroke Parts with Starter Solenoid Relay Ignition Coil Voltage Regulator CDI Box Spark Plug	This ATV wiring harness kit is perfect for ATV owners who need reliable parts for their 110cc or 125cc Chinese ATV. It’s ideal for those looking for a ready-to-install solution that saves time and hassle.	View on Amazon (paid link)
Nilight – NI -WA 06 LED Light Bar Wiring Harness Kit – 2 Leads 12V On Off Switch Power Relay Blade Fuse for Off Road Lights LED Work Light, 2 Years Warranty	This wiring harness kit is perfect for anyone who wants to add LED lights to their car, boat, or other 12V device. It’s easy to use and keeps your lights safe with built-in protection.	View on Amazon (paid link)
Wiring Loom Harness Kill Switch Ignition Coil Cdi Box Spark Plug Rebuild Kit for Kick Start Dirt Pit Bike ATV 50CC 70CC 90CC 110CC-160cc Buggy Go Kart Wire Harness	This rebuild kit is perfect for owners of 50cc to 160cc dirt bikes, ATVs, or go-karts who need a reliable and complete wiring solution. It’s ideal for kick-start models and works with popular Chinese bike brands.	View on Amazon (paid link)

Detailed Reviews

Discover the top 10 ATV Wiring Harness Kits handpicked for performance, durability, and value. Each kit is expert-reviewed and backed by customer feedback, ensuring you find the perfect fit for your ride. Whether upgrading or repairing, these kits make installation easy and reliable. Dive in to find the best solution for your ATV’s electrical needs!

1. Complete Wiring Harness Kit, Powersports Wiring Harnesses Kit, Gy6 150cc Wiring Harness, 150cc ATV Wiring Harness Kit for ATV Quad 4 Four Wheelers 150CC 200CC 250CC Go Kart Wiring Harness by HOOTO

Complete Wiring Harness Kit, Powersports Wiring Harnesses Kit, Gy6 150cc Wiring Harness, 150cc ATV Wiring Harness Kit for ATV Quad 4 Four Wheelers 150CC 200CC 250CC Go Kart Wiring Harness by HOOTO

The Complete Wiring Harness Kit is perfect for ATV, Go Kart, and Quad upgrades. It includes everything you need, like a GY6 150cc wiring harness, magneto stator, and ignition switch. This kit makes replacing or upgrading your wiring system easy and hassle-free.

It fits many Chinese-made vehicles with 150cc, 200cc, or 250cc engines. Works for ATVs, scooters, and more. Also compatible with brands like Coolster, Kazuma, and Kawasaki KLX.

Made with high-quality materials for durability and safety. Professional installation is recommended. Worry-free shopping with 90-day support for any questions.

Pros	Cons
Complete kit with all parts you need. Fits many brands for easy use. High quality parts for safe and long life. Fits big engines from 150cc to 250cc. Worry-free shopping with a 90-day plan.	No instructions; requires professional installation Not compatible with smaller engines under 125cc Check magneto stator pictures carefully before buying

Perfect For:

This complete wiring harness kit is perfect for anyone who owns a 150cc, 200cc, or 250cc ATV, Go Kart, or Quad. It’s ideal for upgrading or replacing your existing wiring system easily.

Ready to Purchase?

View Price on Amazon (paid link)

2. 125cc Wiring Harness 110cc ATV Wiring Harness Kit for Chinese ATV Wiring Harness Compatible with GY6 Taotao Kazuma Baja 50cc 70cc 90cc 110cc 125cc 150cc ATV Go Kart Scooter Pit Bike Quad Moped

125cc Wiring Harness 110cc ATV Wiring Harness Kit for Chinese ATV Wiring Harness Compatible with GY6 Taotao Kazuma Baja 50cc 70cc 90cc 110cc 125cc 150cc ATV Go Kart Scooter Pit Bike Quad Moped

This wiring harness kit fits many ATV models from 50cc to 150cc. It is durable and built for safety. You can install it quickly with the right help.

The kit includes all essential parts for your ATV. It is compatible with popular brands like Taotao, Kazuma, and GY6.

Pros	Cons
Works with many ATV and dirt bike brands. Get a full kit for a fast fix. The tough parts are built to last long. Simple to use and easy to fit. High quality for a safe ride.	Not for all models: Check compatibility before buying to avoid wrong fit. Professional help needed: Installation can be tricky, risking short circuits. Limited to 150cc: Doesn’t work for larger engines.

Perfect For:

This 125cc Wiring Harness Kit is perfect for owners of Chinese-made ATVs, go-karts, scooters, and pit bikes. It’s ideal for those needing a complete wiring solution for engines 50cc to 150cc.

Ready to Purchase?

View Price on Amazon (paid link)

3. Complete Electrics Wiring Harness Coil Stator Solenoid Relay CDI Spark Plug for 4 Wheelers Stroke ATV 50cc 70cc 90cc 110cc 125cc Go Kart Pit Quad Dirt Buggy Bike Parts By OTOHANS AUTOMOTIVE

Complete Electrics Wiring Harness Coil Stator Solenoid Relay CDI Spark Plug for 4 Wheelers Stroke ATV 50cc 70cc 90cc 110cc 125cc Go Kart Pit Quad Dirt Buggy Bike Parts By OTOHANS AUTOMOTIVE

This complete wiring harness kit helps power many ATV, dirt bike, go kart, and quad models. It includes the CDI, solenoid, stator, coil, spark plug, and more for a clean, full setup.

It fits many 49cc to 125cc Chinese electric start engines. It is easy to match. It is simple to install. It comes with clear wire colors and key parts.

Pros	Cons
Complete kit includes everything needed for easy installation. Universal fit for most Chinese-made ATVs and bikes. Clear wiring guide ensures safe and correct setup. Waterproof switch and upgraded parts for durability.	Complex installation requires mechanic help for safety. Not compatible with GY6 motorbikes or 200cc-250cc ATVs. Incorrect wiring may cause fire risk, though rare.

Perfect For:

This complete electrics wiring harness is perfect for owners of Chinese-made ATVs, Go Karts, and Pit Bikes with 50cc to 125cc engines. It’s ideal for those needing a full replacement kit to fix or upgrade their vehicle’s electrical system.

Ready to Purchase?

View Price on Amazon (paid link)

4. Complete GY6 Wiring Harness kit for Wiring Harness 50cc 70CC 90CC 110CC 125cc 4 Stroke ATV Dirt Bike Moped Quad Go Kart Scooter Electrics Stator Coil CDI Ignition Coil

Complete GY6 Wiring Harness kit for Wiring Harness 50cc 70CC 90CC 110CC 125cc 4 Stroke ATV Dirt Bike Moped Quad Go Kart Scooter Electrics Stator Coil CDI Ignition Coil

Complete GY6 Wiring Harness Kit for 50cc to 125cc 4-stroke rides. It gives you a clean, strong, and easy-start electric setup for many ATV, dirt bike, scooter, and go kart models.

It includes the main parts you need. The wires are all-copper. The kit is easy to fit with care.

Pros	Cons
Fits most 49cc-125cc engines for ATVs, bikes, and scooters. Complete kit includes all essential parts for easy setup. Durable all-copper wiring ensures safe, high-performance starts. Waterproof ignition switch with 2 keys for added convenience.	Not for GY6 motorbikes or 200cc-250cc Zongshen Lifan ATVs. Professional installation required to avoid fire risk. Doesn’t fit all engines—check compatibility before buying.

Perfect For:

This GY6 wiring harness kit is perfect for anyone fixing or upgrading a small engine vehicle. It works with ATVs, dirt bikes, go-karts, and scooters from 50cc to 125cc.

Ready to Purchase?

View Price on Amazon (paid link)

5. SHIQINHA Complete Wiring Harness Kit Compatible with Tao tao Coolster 125cc 110cc Chinese ATV Quad 4 Wheeler 4 Stroke Parts with Ignition Coil Stator CDI Box Starter Relay Solenoid Voltage Regulator

SHIQINHA Complete Wiring Harness Kit Compatible with Tao tao Coolster 125cc 110cc Chinese ATV Quad 4 Wheeler 4 Stroke Parts with Ignition Coil Stator CDI Box Starter Relay Solenoid Voltage Regulator

Get your ATV back on the trail. This wiring harness kit fits most Chinese quads. It is easy to install.

This complete set includes all electrical parts. It works for 110cc and 125cc engines.

The wires are high quality. They fix your spark issues fast.

Pros	Cons
Fits most 50cc-125cc Chinese ATVs for wide use. Simplifies electrical layout with modular wiring assemblies. Includes all key parts: ignition coil, CDI box, starter relay. Improves ATV safety and durability with quality components. Easy installation with clear fitment and included cable ties.	Not for GY6 or 200cc-250cc engines. Check pictures carefully before buying to avoid mismatches. Incorrect assembly can cause the kit to fail.

Perfect For:

This SHIQINHA Complete Wiring Harness Kit is perfect for ATV owners who need a reliable and compatible wiring solution. It’s ideal for those with 50cc to 125cc Chinese ATVs, like Tao tao, Coolster, or Kazuma, looking to upgrade or replace their electrical system.

Ready to Purchase?

View Price on Amazon (paid link)

6. Full Wiring Harness Loom Coil Regulator CDI Solenoid Relay Spark Plug for 4 Stroke ATV 50cc 70cc 90cc 110cc 125cc Dirt Pit Bike Electric Start Engine by OTOHANS AUTOMOTIVE, Black

Full Wiring Harness Loom Coil Regulator CDI Solenoid Relay Spark Plug for 4 Stroke ATV 50cc 70cc 90cc 110cc 125cc Dirt Pit Bike Electric Start Engine by OTOHANS AUTOMOTIVE, Black

This wiring kit fits 50cc to 125cc ATVs. It works for many dirt bikes and karts. This set is strong and black.

The pack has a harness, CDI, and plug. Use the wiring picture to help you. It does not fit GY6 engines.

Ask a mechanic for help. Contact us with any questions.

Pros	Cons
Fits multiple engine sizes: Works with 50cc to 125cc 4-stroke ATVs and dirt bikes. Complete kit included: Comes with wiring harness, CDI, solenoid, regulator, ignition switch, coil, and spark plug. Easy replacement: Designed for straightforward installation and quick swap. Safety first: Waterproof ignition switch and clear wiring guide for safe use. Expert support: Contact available for any product or model questions.	Not compatible with GY6 engine type Installation may require a professional mechanic Wiring instructions need careful attention

Pros

Cons

Fits multiple engine sizes: Works with 50cc to 125cc 4-stroke ATVs and dirt bikes.
Complete kit included: Comes with wiring harness, CDI, solenoid, regulator, ignition switch, coil, and spark plug.
Easy replacement: Designed for straightforward installation and quick swap.
Safety first: Waterproof ignition switch and clear wiring guide for safe use.
Expert support: Contact available for any product or model questions.

Not compatible with GY6 engine type
Installation may require a professional mechanic
Wiring instructions need careful attention

Perfect For:

This wiring harness kit is perfect for ATV and dirt bike owners who need a reliable replacement for their 4-stroke engines. It’s ideal for those with 50cc to 125cc vehicles looking for an easy upgrade or repair solution.

Ready to Purchase?

View Price on Amazon (paid link)

7. EOPOAYI Electric Start Complete Wiring Harness & PZ20 Carburetor Kit Compatible with Tao tao Coolster 110cc 125cc Chinese ATV 4-Stroke Engine Quad 4 Wheeler Parts with Ignition Coil Rectifier CDI Box

EOPOAYI Electric Start Complete Wiring Harness & PZ20 Carburetor Kit Compatible with Tao tao Coolster 110cc 125cc Chinese ATV 4-Stroke Engine Quad 4 Wheeler Parts with Ignition Coil Rectifier CDI Box

EOPOAYI is a complete wiring harness and carb kit for many Chinese ATVs. It helps your 110cc or 125cc ride start and run with ease.

It fits many 4-stroke ATV models. It comes with a PZ20 carburetor. It also includes key parts for a clean, strong setup.

This kit has a wire harness, CDI box, and ignition coil. It also has a stator, switch, and fuel parts.

Pros	Cons
Fits many ATVs, ensuring wide compatibility with Chinese models. Fuel-efficient PZ20 carburetor delivers better performance and savings. Complete kit includes all essential parts for easy installation. High-quality materials ensure durability and reliable operation.	Fit check can be tricky. Install needs care and skill. Short harness may not suit old ATVs.

Perfect For:

This EOPOAYI Electric Start Complete Wiring Harness & PZ20 Carburetor Kit is perfect for owners of Chinese ATVs like Tao tao, Coolster, Kazuma, Baja, X-pro, Vitacci, Icebear, and others. It’s ideal for those looking to upgrade or replace parts on their 70cc, 90cc, 110cc, or 125cc 4-stroke engines.

Ready to Purchase?

View Price on Amazon (paid link)

8. EOPOAYI Electric Wiring Harness Kit Compatible with Taotao Coolster 110cc 125cc Chinese ATV Quad 4 Wheeler 4-Stroke Parts with Starter Solenoid Relay Ignition Coil Voltage Regulator CDI Box Spark Plug

EOPOAYI Electric Wiring Harness Kit Compatible with Taotao Coolster 110cc 125cc Chinese ATV Quad 4 Wheeler 4-Stroke Parts with Starter Solenoid Relay Ignition Coil Voltage Regulator CDI Box Spark Plug

The EOPOAYI Electric Wiring Harness Kit is perfect for 110cc and 125cc Chinese ATVs. It works with brands like Taotao, Coolster, and many others. This kit simplifies your ATV’s electrical system, making repairs and upgrades easy.

It comes in a sturdy, gift-ready box with all parts included. The package has everything you need, from the ignition coil to the spark plug. Check the size and wiring diagram before installing for the best results.

Pros	Cons
Fits most 110cc and 125cc ATVs for easy replacement. Simplifies wiring with a clean, all-in-one design. Ships in a strong, attractive box for safe delivery. Includes all key parts like ignition coil and spark plug. High-quality parts backed by expert customer support.	Professional installation needed, not a DIY-friendly product. No instructions included, requires wiring diagram check. Wrong assembly can cause the kit to malfunction.

Perfect For:

This ATV wiring harness kit is perfect for ATV owners who need reliable parts for their 110cc or 125cc Chinese ATV. It’s ideal for those looking for a ready-to-install solution that saves time and hassle.

Ready to Purchase?

View Price on Amazon (paid link)

9. Nilight – NI -WA 06 LED Light Bar Wiring Harness Kit – 2 Leads 12V On Off Switch Power Relay Blade Fuse for Off Road Lights LED Work Light, 2 Years Warranty

Nilight - NI -WA 06 LED Light Bar Wiring Harness Kit - 2 Leads 12V On Off Switch Power Relay Blade Fuse for Off Road Lights LED Work Light, 2 Years Warranty

The Nilight NI-WA 06 LED Light Bar Wiring Harness Kit is a universal fit solution for all vehicles and devices with a 12-volt power source. It’s perfect for off-road lights and LED work lights, ensuring easy installation and reliable performance.

Circuit protection keeps your setup safe with a power relay and blade fuse. The illuminated switch is durable and easy to use, with a red indicator light for quick on/off control.

With two available leads, you can connect dual lighting fixtures up to 180W. The package includes everything you need: a wiring harness kit and clear instructions for hassle-free setup.

Pros	Cons
Universal fit for all 12V vehicles, boats, and devices. Circuit protection with power relay and blade fuse for safety. Illuminated switch for easy on/off control with red indicator. Two stable leads for dual lighting fixtures up to 180W.	Limited to 12V systems, not suitable for higher voltage setups. No waterproof rating, may not handle harsh weather conditions. Basic wiring harness, lacks advanced features like dimming or timers.

Perfect For:

This wiring harness kit is perfect for anyone who wants to add LED lights to their car, boat, or other 12V device. It’s easy to use and keeps your lights safe with built-in protection.

Ready to Purchase?

View Price on Amazon (paid link)

10. Wiring Loom Harness Kill Switch Ignition Coil Cdi Box Spark Plug Rebuild Kit for Kick Start Dirt Pit Bike ATV 50CC 70CC 90CC 110CC-160cc Buggy Go Kart Wire Harness

Wiring Loom Harness Kill Switch Ignition Coil Cdi Box Spark Plug Rebuild Kit for Kick Start Dirt Pit Bike ATV 50CC 70CC 90CC 110CC-160cc Buggy Go Kart Wire Harness

This wire harness kit helps your bike start and run well. It fits many 50cc to 160cc 4-stroke bikes and ATVs. It is made with pure copper for strong flow and long life.

The kit comes with a CDI box, ignition coil, key switch, kill switch, and more. It is a simple and useful fix for many dirt bikes and go karts.

Pros	Cons
Wide fit for many 50cc–160cc bikes. All-in-one kit saves time and effort. Pure copper core helps strong, steady flow. Easy install with clear parts and ties. Built for heat and long use.	Limited to kick start models only, no electric start support. May require connector verification before installation for proper fit. Designed mainly for Chinese brand engines, less ideal for others.

Perfect For:

This rebuild kit is perfect for owners of 50cc to 160cc dirt bikes, ATVs, or go-karts who need a reliable and complete wiring solution. It’s ideal for kick-start models and works with popular Chinese bike brands.

Ready to Purchase?

View Price on Amazon (paid link)

Buying Guide

ATV wiring harness kits keep your ride running smoothly. Choose the right one for easy upgrades or fixes.

Engaging Experience:
Finding the perfect ATV wiring harness kit is like giving your ride a new lease on life. With the right kit, you’ll enjoy hassle-free installation and reliable performance, so you can focus on the thrill of the ride.

Factors to Consider When Buying:
– Compatibility: Make sure the kit fits your ATV’s make, model, and engine size. Check for brands like Taotao, Coolster, or GY6 compatibility.
– Ease of Installation: Look for kits with clear instructions and labeled wires. Some may require professional help, while others are DIY-friendly.
– Durability: Choose kits made with high-quality materials like all-copper wires for long-lasting performance.
– Included Parts: Ensure the kit has all essential components, such as ignition coils, CDI boxes, and spark plugs, for a complete setup.
– Safety Features: Opt for kits with circuit protection or blade fuses to keep your ATV’s electrical system safe.
– Warranty and Support: Look for kits with warranties or customer support for peace of mind after purchase.