Auto Electrical Test Bench comes in two parts ist Shows the electrical Parts of car like head light , wiper Motor , Rear/ Front Light , Music System Etc. All The Auto Electrical wiring & Their simulation through switch Faults. The Others Parts Includes the 3 Digit meter For Display the input light AC Voltage , Dc Voltage of Battery & Current Drawn By System . It Also Show The Phenomena of Self & Alternator of Car. There is facility to change the Battery Simultaneously The electrical system describes the energy and data management's setup and function in modern vehicles. It fuses together the power's supply and distribution, including its control and regulation.