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WIRING DIAGRAMS. CHAPTER 4 AUTOMOTIVE ELECTRICITY AND ELECTRONICS 2nd Ed. TYPES OF WIRING DIAGRAMS. WIRING DIAGRAM ENTIRE VEHICLE SINGLE CIRCUIT OR SYSTEM SCHEMATICS HARNESS (ROUTING) DIAGRAMS COMPONENT LOCATORS. BLOCK DIAGRAMS GRID DIAGRAMS SCHEMATICS. WIRING DIAGRAMS.
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WIRING DIAGRAMS CHAPTER 4 AUTOMOTIVE ELECTRICITY AND ELECTRONICS 2nd Ed
TYPES OF WIRING DIAGRAMS • WIRING DIAGRAM • ENTIRE VEHICLE • SINGLE CIRCUIT OR SYSTEM • SCHEMATICS • HARNESS (ROUTING) DIAGRAMS • COMPONENT LOCATORS
BLOCK DIAGRAMS • GRID DIAGRAMS • SCHEMATICS
WIRING DIAGRAMS • IDENTIFIES WIRES , CONNECTORS AND COMPONENTS • SHOWS POWER DISTRIBUTIION • SHOWS GROUND DISTRIBUTION • SHOWS ENTIRE CIRCUIT OR SINGLE CIRCUIT • SHOWS DETAILED INFORMATION • PRINTED CIRCUIT BOARDS
ELECTRICAL SYMBOLS • Symbols represent actual components • Sometimes shows basic operation • “Legend” interprets the symbols • Some show actual drawing of component
COLOR CODES AND CIRCUIT NUMBERING • wire/circuit identification • Wire marking, tags, color, tracers • Standarized color code SAE or Manu. • Diagram circuit numbering • Wire gauge
COMPONENT LOCATORS • Factory service manuals • Aftermarket manuals • Harness Views • Component views • connector views
TROUBLESHOOTING • Must use logic • constistent method • Parts of circuit