How To Read Automobile Wiring Diagram Ehow
A 4 how to read the wiring diagrams how to read circuit diagrams how to read circuit diagrams the circuit of each system from fuse or fusible link to earth is shown.
How to read automobile wiring diagram ehow. Third on the list is the ability to read and understand a wiring schematic and or wiring diagram. To read it identify the circuit in question and starting at its power source follow it to ground. A car wiring diagram is a map. The repair manual will provide troubleshooting steps to determine which electrical component is damaged or malfunctioning.
Let s take a look a screen shot from a professional shop manual like mitchel s ondemand. Use the legend to understand what each symbol on the circuit means. And it s not that hard at all. Being able to master this competency will not only help you find solutions to common electrical problems a lot faster but will also give you a big headstart compared to less qualified technicians.
Car wiring diagrams are grouped by system. Locate the source of the electrical problem such as a damaged relay. Learning to read car wiring diagrams is an awesome skill to add to your auto mechanic skillset. Then i selected the electrical category and clicked on the wiring diagrams sub category.
Find the location of the issue shown in the diagram. Now i can choose the car wiring. Called current track wiring diagrams they show the power source at the top of the page and the ground points at the bottom. Automotive wiring has been standardised over the decades and most cars will have colour coded wiring for lighting radio ignition and secondary systems.
The power supply is shown at the top and the earth at the bottom to facilitate understanding of the current flow. After locating the faulty part on the diagram usually by labels or shape the colours of wire on the page should exactly match the wire colours in the vehicle. How to read automobile wiring diagrams. This color coding makes it easier for the layman to quickly repair most automobile wiring issues.
You can learn to understand the wiring diagrams by following some basic principles. Automotive wiring has been standardized over the decades and most cars will have color coded wiring for lighting radio ignition and secondary systems. The layout of wiring diagrams is common to all volkswagen vehicles.