Electrical system of the VAZ-2109 car

Battery

*Type: Lead Acid, Maintenance Free
* Voltage: 12V
* Capacity: 55 Ah (for carburetor engines), 60 Ah (for injection engines)

Generator

*Type: synchronous, three-phase
*Voltage: 14V
*Power: 80A

Starter

* Type: electromagnetic, with gearbox
*Power: 1.3 kW

Spark plugs

* Type: A17DVR (for carburetor engines), AU17DVRM (for injection engines)
* Gap between electrodes: 0.8-0.9 mm

Ignition system

* Type: electronic, contactless
* Ignition coil: B117-A

Lighting and light signaling system

* Headlights: halogen, H4
* Sidelights: PY21W
* Side lights: W5W
* Tail lights: two-section, with turn indicators and brake lights
* Brake light: additional, LED, located on the rear window

Instrument system

* Speedometer
* Tachometer
* Fuel level and coolant temperature gauges
* Voltmeter

Other electrical appliances

* Windshield wiper
* Windshield washer
* Electric fuel pump (for injection engines)
* Heated rear window
* Seat belt warning light
* Anti-theft device

Fuses

* Located in the mounting block located under the hood of the car
* Fuse ratings: 5 A, 8 A, 10 A, 16 A, 20 A, 25 A, 30 A, 40 A

Relay

* Located in the mounting block or in the engine compartment
* Relay types: starter relay, windshield wiper relay, turn relay, hazard warning relay, electric fuel pump relay (for injection engines)

Electrical diagram

[Electrical diagram of VAZ-2109](https://i.stack.imgur.com/y3eub.png)

Leave a Reply