BASICS OF ELECTRICAL PRINCIPLES, VOLTAGE, CURRENT & RESISTANCE, OHM'S LAW, KIRCHOFF'S LAW, AC-DC CURRENT, AC-DC APPLICATION IN AUTOMOBILE, CONDUCTORS GOOD & BAD, RUN THROUGH OF ELECTRONIC COMPONENTS, FUSES, WIRES, SWITCHES, RELAYS, CAPACITORS, RESISTORS, POTENTIOMETERS, INDUCTORS, DIODES, TRANSISTORS, LED, ICS, MICROPROCESSORS, BATTERIES AS VOLTAGE SOURCE, BATTERIES AND ITS TYPES, ALTERNATOR AS CHARGING SYSTEM, AUTOMOTIVE ELECTRICAL SYSTEM, DEMAND & SUPPLY