Wiring diagram for the VAZ 2101 generator
To connect the generator correctly, we need to know the wiring diagram. Let's take a closer look. The generator is connected using a single-wire circuit, so you can easily do it yourself.
CONNECTION DIAGRAM FOR GENERATOR VAZ 2101
Generator circuit decoding:
- battery
- Field winding
- Generator housing
- Rotor windings
- Rectifier bridge (diode bridge)
- Voltage regulator
- Resistor to reduce voltage
- Second resistor to reduce voltage
- Regulator winding working
- Ignition switch
- Fuse box
- Battery charging control lamp
- Charging relay
Designation of multi-colored wires:
- YELLOW - the wire that goes to the warning lamp on the dashboard;
- GRAY THICK - the wire that goes to the brushes from the regulator relay;
- THIN GRAY - wire that connects to the relay;
- ORANGE is a wire that serves as an additional wire and is often connected to a thin gray one.
Generator repair
Generator repair should begin with identifying the fault. To do this, it is recommended to disassemble the unit. The pulley is unscrewed first.
Unscrewing the pulley
After removing the pulley, the generator should be halved.
Disassembly process
Defects of each element should begin with a visual inspection.
Components of the VAZ 2101 generator
If there are extraneous sounds and jamming of the shaft, special attention should be paid to the bearings.
Removing the plate that hides the bearing New bearings Pressing in the bearing
The weak point of the generator is the brushes and slip rings. If there is damage or signs of heavy wear, they must be replaced.
BrushesSlip rings
The diode rectifier test is shown in the image below.
Checking the rectifier
The supply of electricity to all consumers of the VAZ 2101 is carried out using two sources. The battery supplies the car with electricity when the engine is not running, and the VAZ 2101 generator provides power to instruments and devices when the engine is running, as well as charging the battery.
The electrical system of the VAZ 2101 is designed according to a single-wire circuit. This means that only one wire goes to each on-board consumer, coming from the positive contact of the battery. The connection to the negative contact is made through ground, that is, the body of the VAZ 2101 car. The connection diagram for the VAZ 2101 generator is also single-wire.
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Alternator belt VAZ 2101
Quite often the belt on a generator breaks or becomes deformed (stretched), so it is very important to know how you can replace it yourself in any situation, even an emergency.
Replacing the VAZ 2101 alternator belt
The procedure for replacing a belt is almost the same as when replacing the generator itself. But there is no need to remove the generator itself.
Belt replacement procedure:
- The first step is to remove the battery, then slightly unscrew the nut that secures the generator to the adjustment bar, but you only need to loosen it, not unscrew it!
- Next, move the generator all the way to the engine, remove the old belt and start putting on the new one.
- First, we put it on the crankshaft and the generator pulley, then we put it a little on the pump pulley, and push it until it is completely dressed.
- Now you need to tighten it, lowering the generator in the opposite direction from the engine. With the required tension, the deflection should not exceed 10 mm .
- Tighten the nut.
- We install the battery.
Alternator belt size VAZ 2101
There are two types of belts for classics (width*thickness*length):
- 10*8*944
- 10*80*938
Tools you will need:
- A universal puller for removing the bearing; as an option, you can use a rod puller, but I warn you, this is very inconvenient;
- Also find a good metal brush and a cloth-based sandpaper;
- Hammer;
- WD-40;
- Standard set of wrenches and screwdrivers.
This is what the VAZ 2101 generator looked like before repair, remember it like this, because after the overhaul it will change beyond recognition
