Headlights
On VAZ-2105, VAZ-2104 cars, rectangular headlights are used, combined with direction indicators into one unit - a block headlight. In the lower part of the optical element of the headlight, there is also a parking light lamp.
The headlight switching circuit for VAZ-2105 and VAZ-2104 vehicles is shown in Fig. 241. The low and high beam headlights are switched on using auxiliary relays P5 and P6, located in mounting block 2. The control voltage is supplied to the relay windings from switch 4 of the headlights (located on the steering column), if the switch key 5 of the external lighting is fully pressed.
Fig. 241. Wiring diagram for headlights and fog lights on a VAZ-2105:
1 - headlight bulbs; 2 - mounting block; 3 - the switch was turned on; 4 - headlight switch; 5 - outdoor lighting switch; 6 - rear fog light switch; 7 - Fog light indicator lamp; 8 - fog lamp in rear lights; 9 - high beam indicator lamp; P5 - high beam headlight relay; P6 - low beam headlight relay.
It is possible to signal with high beam headlights by pulling the headlight switch lever towards you. In this case, voltage is supplied to switch 4 directly from the INT terminal of the ignition switch.
Some cars are equipped with a headlight corrector. It serves to adjust the angle of the headlight beam depending on the load on the car. The corrector consists of a master cylinder mounted on the instrument panel, actuator cylinders mounted on the headlights, and connecting tubes. The cylinders and tubes contain a special liquid that does not freeze at low temperatures.
Outdoor lighting
The wiring diagram for VAZ-2105, -2104 vehicles is shown in Fig. 242. The side light, license plate lights 10 and underhood lamp 2 are switched on by a two-position key switch 6 for external lighting (at the same time, voltage is supplied to the headlight switch). Since 1988, cars can be equipped with a three-position switch for external lighting. In this case, in the middle position of the key, only the external lighting is turned on, and when the key is fully pressed, voltage is also supplied to the headlight switch.
Fig. 242. External lighting connection diagram for a VAZ-2105 vehicle:
1 - side light bulbs in headlights; 2 - underhood lamp; 3 - mounting block; 4 - ignition switch; 5 - Instrument lighting switch; 6 - outdoor lighting switch; 7 - external lighting control lamp located in the speedometer; 8 - instrument lighting lamp; 9 - side light bulbs in the rear lights; 10 - license plate light.
In the rear lights, in addition to the side lights (4W power) there are also fog lights (21 W power). They can be turned on by switch 6 (see fig. 241) in conditions of poor visibility. Since 1988, voltage to switch 6 is supplied not from fuse No.17 of the mounting block, but from the external lighting switch through a separate fuse located in the wires next to the fog light switch.
Direction indicators and hazard warning lights
The original source is located on the website VAZBOOK.ru
The wiring diagram for VAZ-2105 and -2104 vehicles is shown in Fig. 243. The right or left side turn signals are switched on by switch 9. In the emergency signaling mode, switch 5 switches on all turn signals. Flashing of the lamps is provided by relay-breaker 6.
Fig. 243. Diagram of the emergency signaling system and direction indicators on a VAZ-2105 vehicle:
1 - direction indicator lamps in headlights; 2 - side direction indicators; 3 - mounting block; 4 - ignition switch; 5 - hazard warning switch; 6 - emergency signal and direction indicator relay; 7 - direction indicator lamps located in the rear lights; 8 - direction indicator lamp located in the speedometer; 9 - direction indicator switch.
Until 1985, the 23.3747 type interrupter relay was used, assembled on integrated microcircuits. Since 1985, the 231.3747 interrupter relay, manufactured on discrete elements, has been installed. The characteristics of both interrupter relays are the same.
The external difference is the absence of plug 5 on the 231.3747 flasher relay. Therefore, the brown wire connecting plug 5 of the flasher relay to plug 6 of the 5 emergency signal switch is not needed.