Automotive Electrical and Electronic Systems Classroom Manual Fifth Edition Update by John F. Kershaw

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6
Electrical
Diagrams
and Wiring
LEARNING
OBJECTIVES
Upon completion and review of this chapter, you
should be able to:
• Identify the wire types and materials used in
automotive wiring.
• Explain how wire size is determined by both
the American Wire Gauge (AWG) system
and the metric system.
• Explain the use of a wiring harness and
define the different types of connectors and
terminal ends.
• Define the ground, parallel data, serial data,
and multiplexing paths.
• Identify common electrical parts and explain
their operation.
• Explain the color-coding of automotive
wiring.
• Explain the terms used in the language of
automotive wiring diagrams.
• Identify the component symbols used in
automotive wiring schematics.
• Explain the purpose of a wiring diagram or
schematic.
KEY TERMS
Circuit Number
Color Coding
Component Symbols
Connectors
Ground Cable
Installation Diagram
Metric Wire Sizes
Multiplexing
Primary Wiring
Schematic Diagram
Solenoid
Switches
Weatherproof Connectors
Wire Gauge Diagram
Wire Gauge Number
Wiring Harness
89