Reading A Car Wiring Diagram. Many libraries do offer that service and its free. A 2 way switch wiring diagram with power feed from the switch light.
After locating the faulty part on the diagram usually by labels or shape the colors of wire on the page should exactly match the wire colors in the vehicle. These are the tags for. Rb is red with a black tracer.
To read it identify the circuit in question and starting at its power source follow it to ground.
Automotive wiring diagrams and electrical symbols. Wire repair diagrams can become quite complex. Plc training reading electrical wiring diagrams and understanding schematic symbols to understand how to read ladder wiring diagrams lets start with a simple electrical schematic consisting of a power supply switch and light then you will move on to our control panel sample wiring diagrams. Use the legend to understand what each symbol on the circuit means.