As a rule, electric equipment malfunctions are immediately noticeable, since the operation of all other car systems depends on the uninterrupted operation of the electrical system. The major reasons for electric equipment breakdowns include the long service life of the car, wearing out of wires and damage to the electric equipment of the car, improperly installed electrical elements, especially the fuse, unqualified repair and maintenance of electric equipment. The list of the most frequent electrical repairs includes: replacement or repair of a starter, generator, ignition switch, headlights, interior heater motor, fuse box, engine compartment wiring and interior wiring, instrument panel wiring, wiper switch and a number of other operations.