Electrical and Electronic Engineering — General Description Unfortunately, electricity cannot be seen, so it is difficult for some to understand the processes taking place. With the help of one example, we want to clarify. Electrical...
Electrical wires — general information Do not be afraid of the accumulation of cables in the car and the large number of wires in the diagrams in the book. Take the time and a little patience to get into it, and you...
Fuses are conventional and with flat plugs If a short circuit occurs due to a defect, or a consumer is additionally connected to a current circuit, the current circuit is overloaded. Then the wire gets very hot and can...
Checking control devices and bulbs Instruments with indication and warning signal lamps inform the driver about the state of his car at a given time. Many switches perform all sorts of functions. All these...
Removing the dashboard In the model "Golf", released after August 1980, and in the model "Jetta" the screws marked with arrows hold the instrument panel frame. In cutouts (2) frames - blind covers (1)...
Replacement of lamps illuminating appliances The lamps for instrument lighting, together with plastic sockets, are installed on the rear side of the instrument panel. Light bulbs with glass bases (1.2W) have the designation...
Disassembly of the instrument panel Independent work with the panel is possible without problems. But when shopping for spare parts, you should consider that there are countless options for circuit boards,...
Voltage stabilizer — check and replacement The fuel level and engine temperature gauges must receive absolutely even voltage. Otherwise, voltage fluctuations will cause the instrument needles to vibrate. Therefore, on the...
Fuel level sensor — check The fuel level sensor in the fuel tank consists of a float and electrical resistance. When the ignition is turned on, the indicator in the panel receives voltage. The variable...
Coolant temperature gauge The coolant temperature gauge works similarly to the fuel gauge. When the ignition is on, the instrument receives this. Compound "to mass" creates a sensor in the thermostat...
Switching indicator The arrow and the yellow LED light up in the models "Golf" and '' Jetta" (in which there is equipment according to the formula E), when the engine develops the required power at...
Speedometer (speed indicator) The speedometer indicates the speed of movement due to the creation of eddy currents that rotate the aluminum drum around the axis of the arrow, overcoming the resistance of the...
Removing the flexible speedometer drive shaft Remove the radio glove box. Disconnect the speedometer shaft by hand through the cutout. If in this way it is not possible to get to the shaft, then you need to remove the left...
Clock and direction indicator control Watch Quartz watches are very accurate. If they do not go at all, it is necessary to confine ourselves to checking the corresponding fuse or wire. Turn signal control A device for...
Control lamp for brake system, high beam and battery This control lamp can signal in various ways. The light comes on when the handbrake is applied. To do this, there is a contact switch in the handbrake lever, which closes the...
Oil pressure warning light When the ignition is on, the oil pressure warning light is energized. As long as the oil pressure does not rise, the corresponding current circuit is closed through the oil...
Pre-incandescent warning light The glow plug warning light comes on when the engine is cold again or when the engine is cold when the key switch is turned on and the glow plug is turned on, or the key is turned...
Key switch — removal and installation In models "Golf", manufactured after August 1980 and in all models "Jetta" when the ignition is switched on, the headlight symbol flickers in the photocell. This kind of luminous...
Steering column switch — removal and installation Although paddle shifters are often used, there are few problems with them. It is important to know that there is also a switch in the wiper switch. If there is a defect in the...
Starter and glow switch This assembly, commonly referred to as the ignition lock, not only serves to start the engine, but it also locks the steering when the ignition key is removed from the lock and...
Driving with a faulty starter and glow switch If the contacts on the glow starter switch are so worn that they do not close when the ignition key is turned, the engine can still be started. But at the same time, the red wire...
Switch test The operation of the switch is best checked when the red wire is connected, which is energized. In this book, you must first find suitable wiring diagram . Find on the diagram the...
Relays and control devices On-board electrical equipment includes a number of relays and control devices that are inserted in the central part of the electrical equipment or using separate adapters. A...
Heated rear window If the glass is fogged up or iced over, a panel with conductive tracks should provide good visibility over the entire glass surface. For the rear window heating system, the power...
Checking the windshield wiper and washer Turn on the ignition. Do the wiper blades move at two speeds? Do they return to neutral when turned off? Only a very old model "Golf" has a wiper with one speed. Does the...
Removing the lever, brush and rubber part of the wiper Removing the wiper arm Use a flathead screwdriver to pry up the cover on the wiper arm. Loosen the nut and remove together with the spring washer. Remove the wiper arm from the...
Wiper motor — check and replacement The wiper motor, when the ignition is on, receives power from the terminal "X", and in models manufactured after August 1977, through an X-contact unloading relay. Its contacts...
Rear window cleaner Rear wiper model "Golf" receives power through a relay. In models manufactured before July 1977, the rear window wiper operates continuously after switching on. On models...
Removing the rear window wiper motor Remove the wiper arm. Carefully peel off the cover in the back cover. Unscrew the three retaining screws of the rear window wiper motor. If the back cover has a large cutout,...
Filling water for washing glass Exhaust residues, oil mist, silicone contained in the paint care product - all this is deposited on the glass surface. In the warm season, it is recommended to add a cleaning...
Windshield washers — removal, adjustment and check Removing the atomizer Sometimes it is not possible to clean the clogged hole with a thin wire. Then the atomizer needs to be replaced. For prevention, it is recommended to install...
Radio receiver — removal and installation In the described vehicles, a radio receiver with a separate front panel is already installed at the manufacturer. The latest radio receivers are integrated into the panel....
Mounting the radio antenna Remove the plug from the top of the left fender. If necessary, remove the wheel arch insert (see chapter " Body "). Insert the antenna from below into the hole in the wing. Please...
Installing speakers Mono speaker in the model "Golf", manufactured before July 1980: remove the glove box, see chapter " Salon ". Insert a suitable speaker. For fastening, use the spring clip at the...