Yes. American Autowire provides instructions for kits in our modified restoration and street rod divisions: Classic Update, Highway, Builder, and Power Plus Series. These instructions and schematics will be included in the box with your kit. Should you lose your copy, or need an extra, instructions are available online. You can view, download, and print instructions any time, from your computer or mobile device! Click here to find instructions for your kit.
American Autowire does not provide instructions for Factory Fit® OEM wiring online or in print because Factory Fit® products are a direct replacement to a vehicle’s original wiring. As you remove the old wiring, you can literally plug the corresponding section of the Factory Fit® harness in behind it. However, if you would like a guide to help install your OEM wiring, you can purchase an original factory assembly manual from our webstore here.
Tags: builder, classic, diagram, directions, factory, fit, highway, instructions, kit, OEM, plus, power, update
It is important to understand that the Classic Update kits are NOT intended as an alternative to factory OE replacement harnesses. The intention of these kits is for them to be installed in a modified application or vehicle. The Classic Update kits are marketed as complete kits, yes.
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Tags: a/c, air, classic, complete, conditioning, kit, OEM, update
Great question! Factory Fit harnesses are all built exact to the original GM engineering drawings and are complete down to the very last, clip, clamp, lamp socket, and connector to insure the user a true “plug and play” experience. As such, there are far too many different applications and configurations to offer these types of harnesses in “KIT” form. Things like body style, gauges or idiot lights, console, floor shift without console, or column shift, factory air or not, 4 speed or automatic trans, etc. are just a few of the considerations when specking out any given vehicle.
We have found that with a few simple questions answered over the phone, or by using our online OEM Vehicle Quote Tool, your particular vehicle can be identified, and the proper part numbers supplied for your exact application.
Tags: factory, fit, harness, kit, OEM
We do not supply instructions with our Factory Fit® OEM harnesses as they are exact reproductions and plug in exactly as the originals did. If you are looking for help with installation, we recommend the original factory assembly manual, section 12. They are available through American Autowire or most all repro parts vendors. If you have specific questions about what goes where, please contact our sales group as they can answer most basic questions as far as what the function of each connection is and where they go.
Tags: diagram, directions, factory, fit, harness, instruction, instructions, OEM, original, schematic, wiring

Overview of American Autowire product lines
Not sure which our our product lines is right for your project? Click on the chart above to view a chart providing a brief description of all of our product lines, so you are sure to choose the product that is just right for you!
Tags: builder, classic, custom, factory, fit, harness, highway, OEM, plus, power, street rod, update, wiring