For example the diagram should show the. On a diagram theres no visual difference between wire gauges and materials.
Wiring Harness Information
How to read a wiring diagram. On very rare occasions a component may be placed at 45 degrees but only for a very good reason. Use the right symbols. How to read the wiring diagrams how to read circuit diagrams a 5 indicates inputoutput tofrom controlunitcurrentflowdirection. Most symbols used on a wiring diagram look like abstract versions of the real objects they represent. Wires or lines in circuit diagrams are usually horizontal or vertical. When unconnected lines are shown crossing youll see a line hop.
Tips to draw good looking wiring diagrams. Learn the meanings of the basic circuit symbols and choose the correct ones to use. Switch manual or controlled load light bulb motor etc ground return path to negative side battery. A good wiring diagram needs to be technically correct and clear to read. Next you see a label 3011. In some cases a diagonal line may be used which is placed at 45 degrees.
Input output input output in case two or more connectors are connectedtothesamedevicemarkings indicating the same connectors are connected by a broken line. Power supply positive from battery fuse. All wires are then identified using a color code and a number but well see more about that later in this article. In electrical diagrams every straight black line represents a wire. This means that you connect them with a wire when the black lines cross in a diagram there are ways of telling whether or not the wires should be connected to each other as shown below. Below is a list of color codes commonly used in wire diagrams to portray wire color and their purposes.
The switch would be labeled 301sw1 in the field. A typical basic circuit consists of five important parts. Take care of every detail. For example a switch will be a break in the line with a line at an angle to the wire much like a light switch you can flip on and off. Most wire diagrams will have a legend or key just like a road map explaining wire color codes or any other special information needed to read the diagram. Indicates current flow downward or upwardascontrolledbythecontrolunit.
This is the wire number of the wire that connects the switch to the relay and it should be labeled as such on each end of the wire and in any junctions that connects it. Physically parts are connected by wires in the diagrams you will see black lines going from one part to the next. That way when someone looks at the switch they know exactly where to find it in the wiring diagram. Component symbols in a circuit diagram are usually placed horizontally or vertically.
Gallery of How To Read A Wiring Diagram
