Audi А4
+ Running gear
+ Regular servicing
+ Engines
+ Turbo-supercharging
+ Exhaust system
+ Cooling system
+ Fuel tank and the fuel pump
+ The air filter and channels всасывания
+ Injection system
+ Coupling
+ Transmission and the main transfer
+ Suspension bracket of wheels and steering
+ Brakes
+ Wheels and tyres
- The electrotechnical equipment
The minus is connected to weight
The help for orientation in the electrotechnical equipment of the car
Wires
Connections of wires
The central switching knot
Support of additional relays
Box for electronics
The relay and management blocks
The switching relay
H-contact of the relay of unloading
The table of the relay and management blocks
Safety locks
The table of safety locks
+ Electric schemes
+ The accumulator
+ The generator
+ Starter
+ Ignition system
+ Illumination
+ The alarm equipment
+ Tools and devices
+ Heating and ventilation
+ Body details
+ Salon
Search of malfunctions
Technical characteristics
The central switching knot
Wires in Audi A4 are connected in plaits. All of them are connected to the central switching knot, a black box at the left under a control panel. Also six relays and screw connections of the main cable electricians of the car there take places.
