Vehicle lighting and instrumentation Volkswagen Golf 4

General information about electrical equipment
Consumers are connected to a positive power source by a wire, and to a negative one - through the car body (mass). This method reduces the number of wires and simplifies...

Incandescent lamps
Headlight bulbs without fog light dipped beam 12V 55W (H7) high beam 12V 55W (H1) direction indicators 12V/ 21W parking lights 12V/ 5W Lamps in headlights with fog light dipped...

Electrical circuits
To protect electrical circuits, blade-type fuses are used, the color of which corresponds to the protection current of the fuse. The health of the fuse is determined by the...

Open Circuit Detection
A typical electrical circuit consists of an electrical element, switches, relays, motors, fuses, circuit breakers, wires and connectors that connect the electrical element to the...

Open circuit detection
Order of execution 1. To test for continuity, connect a circuit tester or negative voltmeter probe to the negative battery terminal or ground. 2. Connect the second probe to the...

Short circuit source detection
Order of execution 1. To locate the source of a short circuit, first disconnect the load elements of the circuit (circuit load elements are elements that consume electrical...

Bad ground detection
The negative battery terminal is connected to "mass" – to metal of a body, the engine or a transmission; at the same time, many elements of electrical equipment are connected in...

Location and purpose of the fuses
Location of the fuse box on the left side of the instrument panel The location of the fuses and the electrical circuits protected by the fuses are shown on the sticker (shown by...

Replacing exterior light bulbs
Warning: Before replacing the ambient light bulb, remove the ground wire from the battery. Remember that if the light bulb has just been on, it may be too hot. Warning: Before...

Removal and installation of an additional signal of braking
An additional brake light is installed at the top of the rear window. There are 32 LEDs on the bulb holder, which cannot be replaced individually. Removing 1. Open the back door....

Replacing interior light bulbs
Front dome light and front reading lights 1. Remove the diffuser by inserting the flat working end of a screwdriver between the lamp and the diffuser (arrow) and carefully pry up...

Removal and installation of headlights
Headlight elements 1 - cover; 2 - bulb holder of the front direction indicator; 3 - executive engine of the headlight corrector; 4 - bulb of the front direction indicator; 5 -...

Removal and installation of a back lantern
Rear light elements 1 - brake light bulb; 2 - turn indicator light; 3 - a bulb of back dimensional lighting; 4 - bulb holder; 5 - reverse light; 6 - fog lamp; 7 - nut M5, 3 Nm; 8...

Headlight adjustment
Proper headlight adjustment is essential for driving safety. Fine adjustment is only possible with a special instrument. When adjusting the headlights, the fog lights are also...

Removal and installation of the executive engine of the corrector of light of headlights
The headlight range control actuator can only be removed from a headlight that has been removed from the vehicle. Removing 1. Remove headlight. 2. Remove the cover from the low...

Removal and installation of a combination of devices
Location of electrical connectors on the back of the instrument cluster 1 - 32-pin green electrical connector; 2 - 20-pin red electrical connector; 3 - device for fixing...

Removal and installation of steering column switches
Removing 1. Remove the ground wire from the battery. 2. Remove the airbag from the driver's side. 3. Remove the steering wheel. 4. Unscrew the two screws from the lower casing of...

Removal and installation of switches
Warning: Disconnecting the battery will erase the contents of the memory locations, such as the radio code. Without a code, the radio can only be reconnected by the manufacturer....

Removal and installation of the radio receiver
The factory-installed radio has a pocket that makes it easy to remove and install the radio. Two special keys must be used to remove the radio. As standard equipment, a radio...

Removing and installing tweeters
The front door tweeters are attached to the interior trim on the outside rearview mirror, and the rear door speakers are attached to the trim on the inside door handle. The...

Removal and installation of subwoofers
Removing 1. Remove an internal upholstery of a door. 2. Disconnect the electrical connector from the speaker. 3. Using an appropriately sized drill bit, drill out the 4 rivets...

Phone Installation Recommendations
Connection diagram when installing a phone in a car 1 - antenna on the cover for the phone and radio. The electrical connector is located on the front section of the center...

External antenna
1 - antenna mast; 2 - insulating base with antenna amplifier; 3 - antenna wire connecting the antenna to the instrument panel; 4 - antenna wire connecting the instrument panel to...

Checking the rear window heater
The rear window heater is a set of horizontal conductors deposited on the inner surface of the rear window. Order of execution 1. To detect a break in the rear defroster wire,...

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