wire graphic wire graphic

Factory Fit®

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

  • overview
  • wiring harnesses
  • battery cables
  • switches
  • 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 OEM blueprints and 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 our OEM division, you can be sure you will get a perfect fit - a Factory Fit®!


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)
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.

wire your entire car logo 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.
Try It Now!

You can find original OEM wiring harnesses for your specific year/make/model vehicle at American Autowire's webstore!

Fill in the information to the left to search our extensive list of wiring harnesses. Search results will appear below.

PLEASE NOTE:
All stock harnesses can be modified to incorporate HEI or alternator modifications even if not listed. Please place a comment in the "Notes" section of our webstore order form stating which modification you need for your vehicle.

You can find original OEM battery cables for your specific year/make/model vehicle at American Autowire's webstore.

Fill in the information below to search our extensive list of battery cables. Search results will appear below


You can find original GM OEM switches in any of the categories below at American Autowire's webstore. Click the links to see the full store listing.

There are many variables to consider when purchasing switches (tilt wheel, steering column, transmission, cornering lights, etc.) If you are unsure about the correct switch for your needs, please call our sales office at 1-800-482-WIRE(9473) and one of our sales technicians will assist you.

Brake Switches Heater Switches Neutral Safety Switches
Door Switches Ignition Switches Power Window Switches
Fan Switches Light Switches Turn Signal Switches
Headlight Switches Momentary Switches Wiper Switches

You can find original OEM spark plug wire sets for your specific year/make/model vehicle at American Autowire's webstore.

Fill in the information below to search our extensive list of spark plug wire sets. Search results will appear below.