Relay-breaker for alarm and direction indicators VAZ 2107 Zhiguli

Direction indicators are very important in busy modern traffic, and their malfunction causes great inconvenience. The turning pattern of the VAZ 2101 is based on the electromagnetic-thermal RS57. The principle of connecting the VAZ 2101 turn relay is quite simple and applied to all cars that were produced in those years. The VAZ 2101 electromagnetic-thermal turn relay, type RS57, consists of a core with a winding, a panel, two armatures, a nichrome string, a resistance and two pairs of contacts. The left armature with a pair of contacts opens and closes the circuit of signal lamps, and the right armature with its contacts ensures the operation of the indicator lamp.

When the turn switch is turned on, the current from the battery passes through the resistance and the nichrome string of the VAZ 2101 turn relay to the indicator lamps. In this case, the string is heated, which, as a result of thermal expansion, lengthens, reducing the gap in the contacts, but since the circuit resistance is high, the signal lamps will not light. Closing the contacts leads to the removal of the resistance and nichrome string from the circuit, the resistance decreases, and the signal lamps light up. At the same time, the passing current in the core winding increases, which leads to the formation of an electromagnetic field, which attracts an additional right armature, closing its pair of contacts and turning on the test lamp. Since no current passes through the string, it cools down and takes on its original length, opening the contacts. The signal lamps go out, the current in the armature winding decreases, and the contacts of the signal lamp open. The frequency of switching on and off the alarm arms of such a relay is 60 – 120 times per minute. The disadvantage of the VAZ 2101 turn signal relay is the presence of a nichrome string, which heats up during operation, which leads to heating of the relay itself. In addition, when the relay operates for a long time, the string is stretched and the relay becomes unusable. The use of such a relay as an alarm relay is also not possible, since due to the passage of a large current and a long operating time, the relay will heat up even more, which can lead to a fire. Also, the passage of a large current through the nichrome string will cause it to quickly stretch and burn out, which will lead to rapid failure of the relay. If desired, you can replace the electromagnetic-thermal relays of the VAZ 2101 with an electronic relay used on VAZs of subsequent brands. The connection is made in almost the same way. In addition to the standard wires, it is necessary to add only one wire connecting the electronic relay to the vehicle ground. In this case, you can also connect an alarm button.

Turn signals are designed to inform other road users about an upcoming maneuver. If they malfunction, the likelihood of an accident during maneuvering increases greatly. The most common cause of such a breakdown is a non-functioning VAZ 2107 turn relay. Traffic regulations prohibit operating a car with faulty light signals, so if such a malfunction is detected, it must be eliminated as soon as possible. This work can be performed by service station specialists.

However, replacing the turn relay is a fairly simple and not very labor-intensive operation, available even in the field. Therefore, knowledge about the design and method of replacing the VAZ 2107 turn signal relay will not be superfluous for owners of the “Seven”.

Turn relay VAZ 2107

Unlike other lighting devices, the direction indicators operate intermittently and flash. A special device is responsible for the operation of the indicators - the VAZ 2107 turn signal relay. In addition to ensuring the blinking of the lamps, the relay performs a signaling function. It notifies you of the operation of the turn signals with audible signals - clicks.

At first, a thermal relay was installed on VAZ cars, in which the contacts were closed (opened) by a nichrome string, which heated and cooled due to the current passing through it. In later models, which include the “seven,” a relay with an electronic circuit and an electromagnet is used. The blinking frequency of the direction indicator lamps is determined by the settings of the electronic circuit. This design has fewer moving parts and contacts, and is therefore more reliable.

The device also performs the function of a VAZ 2107 emergency flasher relay, causing the lamps to flash when the hazard lights are turned on.

Read more about electromagnetic-thermal relays

Such a relay is designed to be simple and reliable, although it is not without its shortcomings. Owners of some particularly old VAZ cars changed it at most once or twice. It's all about the reliable design of the relay, which is a kind of metamorphosis of devices used in industrial installations. The key elements of such a relay are the following:

• A cylindrical core having a winding of particularly thin copper wire;
• Two contact groups at the top of the core;
• Metal anchors on the sides;
• Metal body.

There are two contact groups, and the first is responsible for closing the circuit of the car turn signal indicator light on the dashboard, and the second group is directly responsible for the circuit of the turn signal light bulbs. In normal condition, the direction indicator circuit is normally open, because the anchor of the contact group is pulled off with a nichrome thread. The thread is fixed on an insulating material, from which the platform for installing the core is also made. There is a current in the same thread - it is connected to the pointer switch circuit.

An electromagnetic-thermal relay operates on a fairly simple principle. As soon as the signal to enter a turn is received, the circuit is closed. The circuit includes turn signal bulbs, a relay winding, a resistor and a nichrome thread. A resistor is needed to reduce the current. As soon as the material (nichrome) begins to heat up, the thread made from it begins to stretch. Since the anchor is pulled by a thread that gradually increases in length, it will be able to close the contact group after some time. Now the current begins to bypass both the nichrome thread and the resistor - it simply begins to “flow” bypassing areas with high resistance. This means that the direction indicator lamps begin to burn not at half-glow, but at full strength. It is important to note here that nichrome thread heats up and cools down very quickly. Due to this feature, the lamps can flash 60-120 times per minute . As the reader probably guessed, the opening of the contacts is due to the fact that the thread has time to quickly cool and pull the armature away from the core. When a signal is given, everything repeats.

Why are there two contact groups in the relay? Everything is very simple. The fact is that one position of the contact group directly affects the work of the second contact group . Once the contacts of the first group are open, the armature in the second group cannot close it. When the current increases and the thread stretches, the first contact group closes, which is a condition for the attraction of the armature in the second group. As a result, both the direction indicators and the warning light mounted on the dashboard begin to flash.

As for sound signals, everything is simple here: the armature closes and opens the circuit not smoothly, but rather abruptly, as a result of which the driver and passengers can hear dull clicks. This is a feature of the operation of electromagnetic relays, which made it possible to save on additional sound warning devices. The relay body is made of metal and has a cylindrical shape. At the bottom of the cylinder there is the already mentioned platform, which has insulating properties. Through the lower part of the platform, contacts are output that must be included in the direction indicator circuit.

Malfunctions of turn signals VAZ 2107

The main symptom of a malfunction is non-functioning direction indicators. However, the reason may not be only the relay. There are several possible breakdowns:

• The turn signal lamps are constantly on and do not blink. This indicates a malfunction of the electromagnetic part of the VAZ 2107 turn signal relay - the contacts are stuck in the closed position and do not open. This could be either a burnt-out contact of the electromagnetic relay or a failure of the electronic circuit of the turn relay. Regardless of the specific reason, there is only one way out - replacing the VAZ 2107 turn signal relay.
• Lights flash too slowly or quickly. The reason may be either in the electronic part of the turn relay or in the discrepancy between the current consumption of the lamps and the nominal one. If one of the lamps has burned out or lamps that consume less current are installed, the turns will flash more often than necessary. The same phenomenon occurs if the wire going to one of the lamps is broken, or the lamp socket or base is oxidized. A similar phenomenon occurs when installing LED lamps instead of incandescent lamps. When installing more powerful lamps, the blinking frequency decreases. If all the lamps are in working order and the malfunction did not appear after replacing the lamps, the reason lies precisely in the turn relay or poor contacts in the lamp power circuit.
• The direction indicator lamps do not light up. The cause of the malfunction may be a broken turn switch, a burnt-out (faulty) turn relay, an open circuit, or a blown fuse. It is better to start checking from the last one

Transition from an electromagnetic-thermal relay to an electronic one.

This “barrel” is located under the dashboard of a car. This is an electromagnetic thermal relay. Due to short-term operation (1-2 months), it is recommended to replace it with an electronic one. After this time, it begins to burn or shorts out.

The following are the steps to replace it:

• disconnect the contact terminals;
• We mark each wire with a marker, or use paint to highlight it in different colors;
• contact No. 1 of the electronic relay is connected to the wire with the x sign;
• Contact No. 2 of the electronic relay is connected to the wire marked L;
• contact No. 3 of the electronic relay is connected to the wire marked P;
• Contact No. 4 is ground, we connect it to a separate wire.

All this work must be carried out when using heat shrink.

The replacement of incandescent lamps with LEDs in direction indicators is gaining great popularity due to the fact that incandescent lamps are much inferior to LED lamps in terms of service life and light output.

Direction indicators are one of the most important signaling systems on modern cars. Failure of direction indicators is dangerous for surrounding motorists and pedestrians and can lead to accidents. Correct operation of the direction indicators is ensured by a special electromagnetic relay.

Replacing the turn signal relay for a VAZ 2107

The design of the relay does not provide for the possibility of its repair. If a malfunction is detected, the part must be replaced.

If the relay is located in the mounting block, to replace it, simply follow these simple steps:

• open the cover of the mounting block;
• pry with a screwdriver and remove the old relay;
• install a new relay;
• close the cover of the mounting block.

If the relay is located behind the dash, it is much more difficult to replace. To avoid a short circuit, it is better to disconnect the ground wire from the battery. Replacing the turn signal relay is done as follows:

• Unscrew and remove the button (handle) of the daily mileage counter.
• Remove the decorative handles from the interior heater control levers.

• Remove the decorative plug from the dashboard mounting screw.
• Unscrew the screw.
• Unclip the dashboard fasteners by prying it up with a screwdriver.
• Unclip the wire connectors from the instrument panel.
• Unscrew the speedometer cable by hand.
• Remove the dashboard.
• Unplug the wire terminals from the relay by turning.
• Unscrew the relay mounting nut.
• Connect wire terminals
• Reinstall the relay and tighten the mounting nut.
• Connect the wire terminals to the dashboard.
• Screw the speedometer cable to the dashboard.
• Place the panel in place by snapping the fasteners into place.
• Tighten the screw that secures the dashboard.
• Install decorative handles on the heater control levers.
• Screw on the trip odometer handle.
• Install the decorative plug onto the self-tapping screw.

After this, you need to connect the ground wire to the battery. Replacing the turn signal relay is now complete.

Turn signals are perhaps a very important part of any vehicle. Carrying out maneuvers on the road becomes a rather dangerous task if. The VAZ 2107 turn signal and hazard warning relay is responsible for the correct operation of the direction indicators. This device is used on all cars of the classic family. Let's consider why a turn signal relay is needed, how is a relay malfunction determined and how is it replaced?

Search for a new relay

If the option of repairing a broken relay does not suit you, then you should immediately start looking for a new device. In fact, this solution is the simplest and most reliable, although it will not satisfy the car enthusiast’s inquisitive mind and desire for experimentation. A new relay costs little money, and on the modern auto parts market it will not be difficult to find a suitable analogue. You can search by:

• VIN code of the car;
• The code of the existing and failed relay or the codes of its analogues;
• Auto parameters.

Practice shows that today motorists are increasingly looking for the necessary spare parts according to the parameters of their vehicle. In particular, the make, model and year of manufacture are important. Modern online stores with their cross-code databases allow you to quickly select both the original relay and its analogues. A special feature is the selection of relays based on key parameters, some of which we indicated in the previous paragraph . When searching by the parameters of the relay itself, it is easy to make a mistake (or even not find complete documentation at all), but if successful, you will be able to find either the same original or a completely identical analogue.

Purpose of the turn signal and hazard warning relays

Everyone knows that direction indicators and hazard warning lights blink during operation. This is necessary in order to attract the attention of other traffic participants. The flickering of lamps cannot be confused with any other signal supplied by lighting devices. A small device called a turn signal relay

. In addition to the blinking of the turn signals, the relay provides another function - creating the necessary sound signal (click), which indicates that the turn signals are in operation.

The Zhiguli used two types of relays, which differ both in their design and in their operating principle.

P O P U L A R N O E:

In the practice of a car owner, a very useful device is with which, with the engine running, you can check the ignition timing, on the correct installation of which the flawless and economical operation of the engine depends.

The article below offers a simple diagram of this device (strobe) with an IFK-120 lamp.

Another charger circuit is very similar to the previous one, but differs in the way it turns off when charging is complete. The charger is started by pressing the “start” button on the front panel, while the supply voltage is supplied to the circuit, relay K1 is activated and provides “self-recovery”. Read more…

Frequency-voltage converter on LM331

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All drivers are required to indicate maneuvers on the road by turning on the direction indicator. This flashing signal is found in every car. Its operating mode creates a turn relay, the circuit of which supplies current to the light bulbs and causes them to blink. At the same time, an audible signal sounds in the form of clicks, reminding you that the direction indicator is on. All these actions are provided by a special turn relay circuit.

Diagnostics of malfunction of the direction indicator relay VAZ 2107

If one day the turn signals stopped working. It's time to check what happened and, if possible, replace the faulty part of the circuit. Malfunctions of the turn signal relay can be recognized by several signs:

• The turn signals light up but do not flicker
  . This directly indicates a breakdown of the relay, or rather, its electromagnetic part. In this case, the electromagnet has closed in one of the positions and cannot return to its original state.
• The turn signals blink too quickly or too slowly
  . This can happen, but not only due to the fault of the turn signal relay. Sometimes the flickering speed of lamps can change if the turn signals use lamps that are not of the same power as those specified by the manufacturer. However, it wouldn't hurt to install a new relay as a test.
• The turn signals don't work at all
  . This means that the turn signal lamps and the lamp on the dashboard do not blink and there are no corresponding relay clicks. However, as in the second case, the malfunction does not always concern the turn signal relay. Sometimes the reason is a faulty hazard warning button.

Search for a new relay

If the option of repairing a broken relay does not suit you, then you should immediately start looking for a new device. In fact, this solution is the simplest and most reliable, although it will not satisfy the car enthusiast’s inquisitive mind and desire for experimentation. A new relay costs little money, and on the modern auto parts market it will not be difficult to find a suitable analogue. You can search by:

• VIN code of the car;
• The code of the existing and failed relay or the codes of its analogues;
• Auto parameters.

Practice shows that today motorists are increasingly looking for the necessary spare parts according to the parameters of their vehicle. In particular, the make, model and year of manufacture are important. Modern online stores with their cross-code databases allow you to quickly select both the original relay and its analogues. A special feature is the selection of relays based on key parameters, some of which we indicated in the previous paragraph . When searching by the parameters of the relay itself, it is easy to make a mistake (or even not find complete documentation at all), but if successful, you will be able to find either the same original or a completely identical analogue.

Replacing turn signal and hazard warning relays (+ Video)

After detecting any of the listed malfunctions, the turn signal relay must be replaced. Depending on the modification (carburetor or injector), the location of the breaker relay may differ noticeably. Carburetor VAZ 2107 vehicles require installation of the relay behind the dashboard in the vehicle interior. However, starting with an injection engine, the relay can be located in a mounting block in the engine compartment.

In order to remove the relay located in the mounting block, you just need to pry it up and pull it up. After this, a new element is installed in its place.

In the case of a relay located behind the panel, things are much more complicated. Before removing the relay, you must pry the dashboard using a screwdriver and remove it. If the length of the wires allows, you can pull it out a certain distance, but if they are too short, it is recommended to pull out the plugs and. Set the panel aside and disconnect the contact wires from the relay. Now unscrew the ground from the breaker and remove it. Install a new one in place of the old relay and insert the contact wires into it. After this, assemble the dashboard and install it in its original place. This completes the replacement of the turn signal relay.

That's all you need to know about the turn signal relay.

To install the emergency lights on a VAZ 2101 with our own hands, we need: an emergency light button from the six and a chip for it, a six-pin turn relay, a six-pin chip for the turn relay.

Here is the diagram for turning on the VAZ 2101 turns:

1 – sidelights; 2 – side direction indicators; 3 – battery; 4 – generator; 5 – ignition switch; 6 – fuse block; 7 – relay-interrupter of direction indicators; 8 – indicator lamp for direction indicators; 9 – direction indicator switch; 10 – rear lights

And this is the diagram for turning on the turns and hazard warning lights of the VAZ-2106:

1 — sidelights; 2 — side direction indicators; 3 - battery; 4 - generator; 5 — ignition switch; 6 — main fuse block; 7 - additional fuse block; 8 — relay-interrupter for alarm and direction indicators; 9 - indicator lamp for direction indicators in the speedometer; 10 — alarm switch; 11 — rear lights; 12 - direction indicator switch in a three-lever switch.

And this is the wiring diagram for the VAZ-2106 turn signal relay (view of the contacts):

We make the connection in the following sequence:

1. Disconnect the old turn relay (barrel) and connect the blue wire to pin 3 of the new relay, this is the control on the panel.

2. Connect a piece of wire to the 4th terminal of the new relay; when attaching the new relay, screw it to ground.

3. Connect the white and black wire (sometimes purple) to the 2nd pin of the relay and to the 7th pin of the hazard warning button (the numbers on the button are written on the back).

4. Add the orange wire (ignition) and connect it to pin No. 2 of the button.

5. Connect pin 1 of the turn signal relay to pin No. 4 of the hazard warning button.

6. We supply constant power to pin 8 of the button, for example from the first fuse.

7. Connect pin 1 of the button to the blue wire in the tube chip.

8. Connect pin 3 of the button to the blue one with a black stripe in the tube chip.

There is another option.

Ready-made wiring for connecting an alarm system is sold on the market:

: Red - to white with a black stripe (or purple), this is the load. Yellow - to blue (this is a control). Blue - to orange (ignition). Brown with a red stripe is a permanent plus (for example, on the first fuse). White and brown with a white stripe to the tube chip (left and right turns).

We attach the turn relay in place of the old one, not forgetting about the masses. We cut a round hole for the hazard warning button (the hole for the washer pump is ideal, but not on all models). If you want to somehow transform your car, I advise you to do it yourself, it looks just super!

The VAZ 2114 turn relay is an electronic element installed in the mounting block, which is responsible for the formation and operation of an intermittent light signal when indicating a right or left turn signal. In addition, the product provides periodic and simultaneous blinking of turn signals in hazard warning mode.

Most devices are equipped with multiple contacts, which makes it possible to control a variety of electrical circuits. Products of the electromagnetic type have become most popular and widespread.

Daewoo Lanos | Chevrolet Lanos | Daewoo Sens, fuses online

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Where is the VAZ 2114 turn signal relay located?

If you are looking for where the turn signal relay is located on a VAZ 2114, everything is quite simple here. You just need to open the hood of the test car. Next, immediately under the windshield on the driver’s side, look for a dark-colored box (block) inside which there are actually various fuses and relays, and the VAZ 2114 turn relay itself is marked K2. The location is shown in the picture:

Symptoms of a problem

As we have already found out, most cases of malfunction of indicator systems are caused by an electromagnetic device, which is marked K2. However, malfunctions of the system as a whole can be caused by its other elements. For example, if when you turn on the turn signals, the flickering of the light bulbs is excessively rapid, this may indicate one or more burnt out or failed light bulbs. Or, for example, a situation where the hazard warning lights are working properly, but the turn signals do not signal - a possible reason may be related to a faulty switch, contacts or wiring. The reason for unstable operation is often not only the relay itself, but also the oxidation of the contact group of wires, both in the headlight and on the way to it. In other words, if you detect incorrect operation of an intermittent light signal, or its complete absence, do not rush to change the relay, sort out and analyze all the elements that can affect the operation of the system (light bulbs, wiring, switches, contacts).

DIY repair

Repairing a failed turn signal relay usually involves replacing the part. Its cost is not so high as to take a radio electronics course and try to repair a failed relay. The turn relay itself is located in the relay and fuse box, usually located under the front panel of the car. In some car models, the turn signal relay is placed in a separate connector.

Replacing the relay is not difficult. To do this, you need to determine its exact location (you can find it in the manual for a specific car model or look up a diagram on the Internet). The broken relay is dismantled, and a new one is installed in the relay unit or in a separate connector. The voltage of the new unit must correspond to the vehicle's electrical power supply (12 or 24 volts).

For those who still prefer to do the repairs themselves, here are some tips. If the contacts of the relay are burnt, you can try to clean them, but this measure is unlikely to last long. You also need to solder broken contacts if there is this type of damage. If there are cracks in the power terminals of the relay, then they also need to be soldered. Capacitors that have lost capacity or are swollen should be replaced with new ones.

Naturally, for such repairs you need to have a soldering iron and know how to use it. Repairing a relay in this case is no different from repairing any radio-electronic part. You will need flux and solder, and when replacing capacitors, you must not forget about the correct polarity.

Do you need a turn signal?

The traffic rules give a clear answer - yes. The current version of the traffic rules prescribes that every driver who has planned to perform a maneuver in his vehicle is obliged to notify other road users about the action being taken. The logical conclusion is that car owners driving vehicles are required to notify of their actions using a turn signal.

"Important! In order to avoid emergency situations, we strongly do not recommend that you drive with faulty indication or warning systems on roads of any significance.”

conclusions

We hope that this article will help owners maintain their cars themselves. And the diagrams provided will help in finding failures of electronic components and wiring.

The designers of the Ulyanovsk Automobile Plant equipped the UAZ 31512 with electrical equipment. The UAZ 31512 electrical circuit diagram may be needed if necessary to repair the car. For ease of repair, the manufacturer installed wires with insulation of different colors on the car.

Replacing the turn relay VAZ 2114

Now it’s time to talk about how to change the turn relay on a VAZ 2114. To carry out all the work you will need: - patience and free hands.

Replacement instructions:

1. The first stage is the simplest - open the hood of the car.
2. At the second stage, you need to find the mounting block in which the desired product and fuses are located. Let us remember that the location of the MB is located directly above the right (driver's shock absorber strut).
3. To access the contents of the block, we will need to open its plastic protective cover. This can be done by unlatching the two side latches.
4. Now you can observe the entire internal structure of the box, however, we are only interested in the product marked K2. Keep in mind that pulling the part out by hand is quite problematic and inconvenient. Especially for such purposes, you can find specialized plastic tweezers in the block, with the help of which it is very convenient to pull out the part and fuses, which we will certainly use.
5. To reinstall, take a new product and insert it into the seat so that the three metal contacts are inserted into the socket. After this, press the body of the device and fix it firmly. This completes the replacement of the VAZ 2114 turn signal relay.

Read more about electromagnetic-thermal relays

Such a relay is designed to be simple and reliable, although it is not without its shortcomings. Owners of some particularly old VAZ cars changed it at most once or twice. It's all about the reliable design of the relay, which is a kind of metamorphosis of devices used in industrial installations. The key elements of such a relay are the following:

• A cylindrical core having a winding of particularly thin copper wire;
• Two contact groups at the top of the core;
• Metal anchors on the sides;
• Metal body.

conclusions

The UAZ 469 has proven itself to be a fairly reliable off-road vehicle for multi-purpose use. The civilian population actively uses it for their own purposes also due to the fact that it can be serviced with its own hands, using factory documentation and advice from craftsmen.

How is the electrical circuit of the UAZ 31514 different? The car received a completely different ignition system from the previous one; it became contactless. At the same time, reliability remained at the highest level, just like that of the UAZ 2206. The choice of this particular achievement of the modern automotive industry is associated not only with the electrical wiring, but also with the quality of the overall assembly. All models, including UAZ 390945 and others, amaze with their reliability, durability, strength, and ease of use.