Opel Vectra B

Since 1995 of release

Repair and car operation

Opel of Vektra
+ 1.1. Controls and control devices
+ 2. Maintenance service
+ 3. Engines
+ 4. Heating, ventilation
+ 5. Fuel system
+ 6. Systems of start, ignition
+ 7. Transmission
+ 8. Brake system
+ 9. A running gear
+ 10. A body
- 11. An electric equipment
   - 11.1. The electric equipment
      11.1.1. Introduction
      11.1.2. Technical characteristics
      11.1.3. Electric chains
      11.1.4. Detection of not closed chain
      11.1.5. Safety locks and the relay
      11.1.6. Switches
      11.1.7. Bulbs of external illumination
      11.1.8. Bulbs of internal illumination
      11.1.9. Devices of external illumination
      11.1.10. Adjustment of light of headlights
      11.1.11. A combination of devices
      11.1.12. Screen wiper levers
      11.1.13. The screen wiper and draught engine
      11.1.14. The engine of a screen wiper of a back door
      11.1.15. Washer
      11.1.16. A radio tape recorder
      11.1.17. Loudspeakers
      11.1.18. A safety pillow
      11.1.19. Elements of a pillow of safety
   + 11.2. Electroschemes
+ 12. The basic malfunctions

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11. An electric equipment

11.1. The electric equipment

11.1.1. Introduction

With плюсовым the power supply consumers incorporate a wire, and with minus - through a body of the car (weight). Such method allows to reduce number of wires and to simplify installation. On cars are established малообслуживаемые or unattended accumulators.

The electric system has 12-tivoltovoe a food with negative grounding and the generator, a starter, consumers of the electric power and electric chains consists of the accumulator.

The accumulator gymnastics are made from the generator which is put in action by a belt from a pulley of a cranked shaft. The starter represents the electric motor of a direct current with the mixed excitation with the electromagnetic traction relay. At start the traction relay moves a leading gear wheel to gearing with a gear wreath of a flywheel before the starter will receive a food from the accumulator. After engine start муфта a free wheeling disconnects an anchor of a starter from a gear wreath of a flywheel.


At performance of works on electric system it is necessary to be careful not to damage the semi-conductor device (diodes and transistors). At work on electric system it is necessary to fulfil following requirements:

 – In an operating time of the engine do not disconnect the accumulator, the generator of an alternating current or any electric sockets;
 – At carrying out of any works remove the negative plug from the accumulator;
 – At carrying out of electrowelding works on the car, disconnect the generator of an alternating current and the control device.