• Out of stock harnesses may require additional build and processing time. If you're placing a time-sensitive order, please contact the sales line at 1-800-482-9473 to check available inventory or confirm estimated order transit times.

SHOP GM OEM Restoration Wiring

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Factory Fit®
American Autowire offers factory original GM OEM restoration automotive wiring harnesses and accessories through our Factory Fit® product line. All Factory Fit® reproduction wiring harnesses are made exactly to GM OEM factory standards, using GM parts. Wiring harnesses and accessories are installed as a direct replacement to the original factory wiring - no guesswork. We call it a "plug and play" experience. When you use American Autowire's OEM products, you can be sure you will get a perfect fit - a Factory Fit®! [ learn more ]

SHOP MODIFIED Restoration Wiring

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Classic Update Series
The Classic Update Series is a complete wiring system in a box! Everything you need to modernize your classic vehicle: Headlight, Dimmer, and Ignition switches; Boots, Tubes, and Grommets; Fuses, Relays, and Flashers; Original Connectors, Terminals, and Disconnects. Classic Update wiring systems are made for specific makes/models/years and are currently available in 26 kits. [ learn more ]

SHOP Universal Wiring Solutions

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Universal Wiring Solutions
American Autowire offers multiple solutions for your custom and street rod projects. From the economical Power Plus Series, to the compact Builder Series, to the most powerful and robust Highway Series, American Autowire has a solution for every project. [ learn more ]

Complete Wiring System Solutions for Classic Automobiles

American Autowire manufactures the industry’s best OEM restoration, modified restoration, and universal wiring systems. Our American-made products make wiring easy!

Whether you are working on a totally stock restoration, a resto-mod where you are adding aftermarket power accessories, or a completely custom street rod…American Autowire has a solution for your vehicle!

We offer a wide variety of accessories to help you with your project like factory assembly manuals and crimp tools. We also have a catalog full of parts to help you finish off your project like switches, relays, disconnects, and battery cable kits. Let us help you get your car back on the road!

Why Go American?

Our products are assembled in Bellmawr, New Jersey just outside Philadelphia, the birthplace of Independence.
Our team at American Autowire takes great pride in being part of a truly American Hobby.  Take pride in your American ride… choose American Autowire!