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GM OEM Restoration Wiring Harnesses, Battery Cables, Switches, and Spark Plug Wire Sets

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®!


Shop Now! The entire Factory Fit® line ON-line!
Visit our web store, shop.americanautowire.com, to search for and purchase Factory Fit® products.

Download Catalog Download the Factory Fit® catalog!
Visit our catalog download page and easily download the Factory Fit® wiring harness and parts catalog for your make/model vehicle.

Get A Quote! Wire your ENTIRE Car!
Use this tool to guide you through the process of selecting the correct Factory Fit® wiring for your entire project vehicle. Choose your harnesses, get a list and price total, and our e-commerce tech will contact you to review your selections.

Factory Fit® encompasses over 9,000 OEM restoration wiring harnesses, battery cables, switches, and spark plug wire sets for the following:

Chevrolet Pontiac Oldsmobile Buick GMC Cadillac
Camaro
Chevelle
Corvair
Corvette
Fullsize
(Impala, Caprice, Biscayne, Delray, '59-6'60 El Camino, '59-'60 Sedan Delivery, SS427)
Impala
Monte Carlo
Nova
Passenger
('55-'57, Bel Air, Delray, Nomad, Sedan Deliver,. 150, 210)
Truck (Pickup, Blazer, Suburban)

GTO
(LeMans, Tempest, '71-'74 Ventura, '73 Grand Am)
Firebird
Fullsize

(Grand Prix, Bonneville, Catalina, Ventura, 2+2, Chieftan)
Cutlass
F85
Fullsize

(88, 98, Delta, Holiday, Jetstar, Starfire, Dynamic, Super)
Toronado
Fullsize
(Invicta, Electra, LeSabre, Riviera, Wildcat)
Truck
(Pickup, Jimmy, Suburban)
Fullsize
(Fleetwood, El Dorado, DeVille)