Gm Wiring Harness Color Codes

By | May 5, 2021



Gm Wiring Harness Color Codes – Everything You Need to Know

When it comes to wiring harnesses and color codes, GM has always been ahead of the game. With their modern wiring harnesses, they provide a reliable, easy to install solution for any vehicle. However, understanding GM wiring harness color codes can be confusing. In this article, we’ll take an in-depth look at GM wiring harness color codes, so you can understand how they work and how to use them.

First of all, let’s take a look at the type of wiring harnesses that GM offers. GM’s wiring harnesses are available in two different types: the factory-installed OEM harness and the aftermarket harness. The factory-installed OEM harness is designed for use with vehicles that have already been built, while the aftermarket harness is designed for vehicles that are being customized or modified. Both types of harnesses use the same color coding system, but the aftermarket harnesses may include additional wires or connectors.

Now that we know the types of harnesses that are available, let’s look at the color coding system that GM uses. GM wiring harness color codes consist of three components: the wire color, the connector color, and the pin number. The wire color is either black, red, green, or blue, and it’s used to identify the positive or negative power source. The connector color is either white, yellow, orange, or gray, and it’s used to identify the type of connection. Finally, the pin number is used to identify the specific wire or connector.

By understanding GM wiring harness color codes, you can ensure that your vehicle’s wiring harness is properly installed and functioning correctly. Knowing the wire color, connector color, and pin number will help you correctly identify and connect the wires in the correct manner. If you’re ever unsure of the wiring harness color codes, you can find detailed information and diagrams in the vehicle’s owner’s manual.

In conclusion, GM wiring harness color codes are an important part of understanding how to correctly install and use wiring harnesses. By understanding these codes, you can ensure that your vehicle’s wiring harness is properly connected and functioning correctly. With the help of GM wiring harness color codes, you can make sure that your vehicle runs smoothly and safely.


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