# GM Wiring Diagram Color Abbreviations - Explaining the Simplicity of Electrical Circuitry

When it comes to understanding a GM wiring diagram, it is important to have a basic familiarity with the different types of abbreviations used. A color abbreviation, for example, is a vital piece of information that can help you decipher the entire schematic. In this article, we will explore GM wiring diagrams and the different color abbreviations that are often used in them.

Having a basic understanding of electrical circuitry is essential when attempting to interpret a GM wiring diagram. A circuit is made up of various components, all connected together by wires. Each wire must be correctly labeled and identified in order to ensure the circuit functions correctly. This is done by using color codes, which describe the wire’s purpose within the circuit.

## GM Wiring Diagram Color Abbreviations

GM wiring diagrams feature a variety of abbreviations that are used to label each wire. These abbreviations are used to identify the color of the wire, as well as other important information about it. The following list contains some of the most common abbreviations used in GM wiring diagrams:

• BK – Black

• BL – Blue

• BR – Brown

• GN – Green

• OR – Orange

• PK – Pink

• RD – Red

• VI – Violet

• WH – White

• YL – Yellow

These color abbreviations are used to clearly identify the purpose of each wire in a circuit. For example, a black wire may signify a ground connection or it could signify a power supply. It is important to understand the various abbreviations so you can accurately interpret a wiring diagram.

## Wire Gauge Abbreviations

In addition to color abbreviations, GM wiring diagrams also use gauge abbreviations. Wire gauge is measured in American Wire Gauge (AWG), and it describes the diameter of the wire that is being used. GM wiring diagrams use the following gauge abbreviations:

Abbreviation AWG
18 0.75mm
16 1.0mm
14 1.5mm
12 2.5mm
10 4.0mm

It is important to understand the gauge abbreviation that is used in GM wiring diagrams because using the wrong size wire can have catastrophic results.

## Other Abbreviations

Aside from the color and gauge abbreviations, GM wiring diagrams also contain other abbreviations that are used to describe various components or connections. Here is a list of some of the most commonly used abbreviations:

• C/O – Circuit Open

• C/S – Circuit Short

• SPL – Split

• JCT – Junction

• COM – Common

• PWR – Power

• SW – Switch

• REL – Relay

• FUS – Fuse

• AMP – Amplifier

Each of these abbreviations has a specific meaning and can help you accurately interpret a GM wiring diagram.

## Conclusion

GM wiring diagrams are complex, but they become much easier to understand when you are familiar with the various abbreviations used in them. Color abbreviations, wire gauge abbreviations, and other abbreviations can all help you interpret the schematic quickly and accurately. It is important to take the time to learn the different abbreviations so you can understand a wiring diagram and properly diagnose any problems that may arise.

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