Made in America
Premium Wiring for Serious Builds
Kwik Wire is a trusted American wiring harness manufacturer, building premium wiring harness kits for restorations, hot rods, and custom vehicles.
- 100% American-Made
- Three Generations of Family Craftsmanship
- 75+ Years of Combined Manufacturing Experience
- Factory-Direct Ask-A-Tech Support
See Customer Installs
Our premium wiring harness kits power classic restorations, hot rods, and custom builds, from 1950s classics to 2000s performance vehicles. Explore real customer installs across Chevrolet, Ford, Mercury, Studebaker, Dodge, International, GM, RAM, and more.
Don't see your exact year, make, or model? Ask a Tech can confirm the right system for your project.
Most Popular Products
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14 Circuit Wire Harness
Regular price From $431.00 USDRegular priceUnit price per -
14 Circuit Ford Wire Harness
Regular price From $441.00 USDRegular priceUnit price per -
Printed Wire by the Foot
Regular price $2.00 USDRegular priceUnit price per -
20 Circuit Wire Harness
Regular price From $486.00 USDRegular priceUnit price per -
22 Circuit Wire Harness
Regular price From $519.00 USDRegular priceUnit price per -
14 Circuit Budget Wire Harness
Regular price From $321.00 USDRegular priceUnit price per -
8 Circuit Wire Harness
Regular price From $353.00 USDRegular priceUnit price per -
Split Loom Kit [Standard or High Temp]
Regular price From $111.00 USDRegular priceUnit price per
![Split Loom Kit [Standard or High Temp]](http://kwikwire.com/cdn/shop/products/Loom-Kit__35743.jpg?v=1588373721&width=533)
Ask-A-Tech Is Built Into Every Serious Build
Talk directly with the team that designs and builds every Kwik Wire harness.
Every wiring project comes with questions, and as an American automotive wiring harness manufacturer with decades of experience, we ensure you receive honest, expert answers. Kwik Wire's Ask a Tech service puts builders like you in direct contact with the people who design and build every harness, before, during, and after the sale.
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Pre-Purchase Expertise
Confused about circuit counts or vehicle fitment? Ask a Tech confirms the right wiring harness kit before you spend a dime.
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Risk Elimination
Direct access to skilled technicians removes the guesswork, so you can order with confidence and skip costly mistakes.
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Part of our Service
Ask a Tech support doesn't end at checkout. Your installation questions get answered by the same team that built the harness.
When you're wiring a finished car, there's no such thing as "good enough."
Engineered & Built in USA Since 1991
Kwik Wire has designed and built every harness in Fond du Lac, Wisconsin since 1991, with no outsourcing or shortcuts. As a family-owned wiring harness manufacturer, every harness is engineered, assembled, and inspected under one roof.
That commitment is what our customers feel in every connection, crimp, and finished restoration.
- Every harness engineered and built in-house in Fond du Lac, Wisconsin
- Three generations of the St. Mary family leading daily operations
- 75+ years of combined manufacturing experience
- Factory-direct pricing with no middlemen
- Honest technical support from the team that builds your harness
Frequently Asked Questions
Choosing the right wiring harness comes with questions. Here are answers to some of the most common ones. If you need advice for your specific build, our Ask a Tech team is just a call or message away.
How do I know I'm ordering the right wiring kit?
That's exactly what Ask a Tech is for. Before you buy, you can talk directly with a real wiring expert who will confirm the correct system for your specific build. This eliminates guesswork and helps you choose the right wiring harness with confidence.
Why does Kwik Wire cost more than other wiring kits?
Kwik Wire wiring harness kits are built in Wisconsin using premium materials and backed by factory-direct technical support. That investment delivers dependable quality, better fitment, and expert guidance throughout your project.
Is Ask-A-Tech support or technical help?
Both. Ask a Tech connects you directly with the people who design and build our wiring harnesses. Whether you need help choosing the right kit before you buy or have installation questions afterward, our team is here to help.
Do most customers need to buy additional parts later?
Kwik Wire’s wiring harness kits are designed to cover the full wiring needs of a project from the start. If additional accessories are required, such as extra switches or lighting, we sell those separately.
What types of vehicles does Kwik Wire support?
Kwik Wire wiring harness kits support a wide range of classic cars, hot rods, custom builds, and modified vehicles across many makes and model years. Because every project is different, our Ask a Tech team is always available to help confirm the right kit for your setup.
Is Kwik Wire only for stock restorations?
No. Our universal wiring harness kits are designed for stock restorations, hot rods, custom builds, and resto-mod projects across a wide range of makes and model years.
Why is "Made in the USA" important for wiring?
Every Kwik Wire harness is designed and built in Fond du Lac, Wisconsin. Manufacturing in-house allows us to maintain strict quality standards, use premium materials, and provide factory-direct support from the same team that builds your harness.
I'm still not sure. What should I do next?
Contact Ask a Tech before placing your order. Our wiring experts will help you identify the right wiring harness for your vehicle, answer your questions, and make sure you have the parts you need before you begin your project.