H&H Classic Parts - Factory Fit Wiring

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®!