Automotive electrical systems
More informationAt Global Parts, we offer a wide selection of original used car parts, including automotive electrical systems for many popular car brands such as BMW, Mini, Mercedes, Audi, Volkswagen, and others. Each of our car parts undergoes quality control to ensure you receive a top-quality product.
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Part no. A6401500734
Mercedes W169 W245 A200 B200 CDI OM640.941 140HP Engine Module ECU A6401500734
PLN 474.95
Free delivery - Tue, Nov 25
If paid before 14:00
Part no. 8634246
Mini F54 F60 B42 B46 B48 Ignition Injection Valve Wiring Harness Loom 8634246
PLN 474.95
Free delivery - Tue, Nov 25
If paid before 14:00
Part no. 7527610-4
Mini Cooper S R53 W11 170HP Engine Control Unit ECU Kit DME 7527610 Manual
PLN 61.95
Free delivery - Tue, Nov 25
If paid before 14:00
Part no. A2139004119
Module Mercedes W205 Drivetrain Gearbox Control Module Unit A2139004119
PLN 189.95
Free delivery - Tue, Nov 25
If paid before 14:00
Part no. 07K907309L
Audi RS3 8Y 2.5 TFSI Quattro 400HP DNWC Engine Unit ECU 07K907309L Automatic
PLN 3,799.95
Free delivery - Tue, Nov 25
If paid before 14:00
Part no. 4M0971349Q
Audi Q7 4M Electric Alternator Starter Positive Wiring Harness Cable 4M0971349Q
PLN 123.95
Free delivery - Tue, Nov 25
If paid before 14:00
Part no. A1698203285
Mercedes A B Class W169 W245 Door Control Module Right Rear O/S A1698203285
PLN 42.95
Delivery - Tue, Nov 25
If paid before 14:00
Part no. 9270356-1
BMW F40 Mini F55 F56 Fuse Box Power Distribution Junction Relay Unit 9270356
PLN 61.95
Free delivery - Tue, Nov 25
If paid before 14:00
Part no. A2048204697
Mercedes W204 Dashboard Dash Navigation Central Display Screen Monitor
PLN 759.95
Free delivery - Tue, Nov 25
If paid before 14:00
Part no. 6931987
BMW 7 Series E65 E66 E67 Control Unit Voice Input System Module 6931987
PLN 55.95
Delivery - Tue, Nov 25
If paid before 14:00
Part no. 2T1411000BC
Ford Transit Connect Starter Motor Engine Diesel 2T1411000BC
PLN 218.95
Free delivery - Tue, Nov 25
If paid before 14:00
Part no. 9805535
BMW Countryman R60 R61 Centre Console Retaining Bracket Rail Rear 9805535
PLN 47.95
Delivery - Tue, Nov 25
If paid before 14:00
Part no. 6925945
BMW 5 Series E60 E61 Rear Left Right Door N/O/S Wiring Cable Harness Loom
PLN 75.95
Free delivery - Tue, Nov 25
If paid before 14:00
Part no. 8K0959651
Audi A5 8T A4 B8 Crash Impact Sensor Control Unit 8K0959651
PLN 70.95
Free delivery - Tue, Nov 25
If paid before 14:00
Part no. 9294309
Dashboard Monitor BMW X3 F25 X4 F26 Onboard Central Display Screen 6,5" 9294309
PLN 474.95
Free delivery - Tue, Nov 25
If paid before 14:00
Part no. A1715409245
Mercedes SLK R171 Gateway Control Unit Gateway Module ECU A1715409245
PLN 75.95
Free delivery - Tue, Nov 25
If paid before 14:00
Part no. 03L906019AG-1
Audi A6 C6 2.0 TDI CAHA 170HP Engine ECU Kit 03L906019AG Ignition + Key Manual
PLN 854.95
Free delivery - Tue, Nov 25
If paid before 14:00
Part no. 4F0906093G
Audi A4 B7 Fuel Pump Sender Control Relay Module Unit ECU 4F0906093G
PLN 94.95
Free delivery - Tue, Nov 25
If paid before 14:00
Part no. 9329703
BMW F20 F21 F30 F31 F32 Rear Body Control Unit Module REM 9329703
PLN 85.95
Free delivery - Tue, Nov 25
If paid before 14:00
Part no. 3455306-1
2 x Mini R57 Cabrio Convertible DWA Door Alarm System Control Module Set 3455306
PLN 42.95
Delivery - Tue, Nov 25
If paid before 14:00
Part no. 7948147
BMW F40 F44 Rear Seat Bench Occupancy Mat Control Unit Sensor 7948147
PLN 42.95
Delivery - Tue, Nov 25
If paid before 14:00
Part no. A2135406831
Mercedes W213 Rear Door Wiring Harness Keyless Left Right N/O/S A2135406831
PLN 113.95
Free delivery - Tue, Nov 25
If paid before 14:00
Part no. 5Q0971250AB
Audi A3 S3 8V Negative Battery Terminal Earth Cable Lead Wiring 5Q0971250AB
PLN 94.95
Free delivery - Tue, Nov 25
If paid before 14:00
Part no. A2135403839
Mercedes W213 C238 Power Relay Fuse Box Unit Cover A2135403839
PLN 237.95
Free delivery - Tue, Nov 25
If paid before 14:00
Part no. A2219004704
Mercedes-Benz S W221 Comand 6-Changer CD Radio Head Unit DVD Navi A2219004704
PLN 3,324.95
Free delivery - Tue, Nov 25
If paid before 14:00
Part no. 9209758
BMW X5 Z4 E89 E70 Mini Cooper R56 R57 CD Changer Multichanger 9209758
PLN 75.95
Free delivery - Tue, Nov 25
If paid before 14:00
Part no. 9261604
Rear Bumper PDC BMW F20 F21 F22 Ultrasonic Sensor Tiefseeblau Deep Sea Blue A76
PLN 61.95
Free delivery - Tue, Nov 25
If paid before 14:00
Part no. 9312768
BMW F06 F07 F10 F11 Comfort Module Body Control Unit Module BCM Unit ECU 9312768
PLN 189.95
Free delivery - Tue, Nov 25
If paid before 14:00
Part no. 8473167
BMW F30 F31 F32 LCI 330dX N57N Engine Gearbox Module Wiring Cable Loom 8578498
PLN 142.95
Free delivery - Tue, Nov 25
If paid before 14:00
Part no. A6519009302-4
Mercedes W639 116 CDI 651.940 163HP Engine Module ECU Kit A6519009302 Key Lock
PLN 1,757.95
Free delivery - Tue, Nov 25
If paid before 14:00
Part no. 8644492
Engine Wiring Mini F56 F60 BMW F45 F46 Petrol Sensor Module 2 Harness 8644492
PLN 218.95
Free delivery - Tue, Nov 25
If paid before 14:00
Part no. 9280186-1
BMW F10 F11 F30 F01 F02 LCI Air Control Module ECU Unit 9280186
PLN 42.95
Delivery - Tue, Nov 25
If paid before 14:00
Part no. 4H0959760F
Audi A8 D4 Front Seat Backrest Adjustment Module Left Right N/O/S 4H0959760F
PLN 237.95
Free delivery - Tue, Nov 25
If paid before 14:00
Part no. GK2T-14A069-AB
Ford Transit Custom Mk1 Fuel Tank Sender Wiring Harness Loom GK2T-14A069-AB
PLN 42.95
Delivery - Tue, Nov 25
If paid before 14:00
Part no. A1698207326
Mercedes-Benz A B Class W169 W245 Door Control Unit Left N/S Front A1698207326
PLN 42.95
Delivery - Tue, Nov 25
If paid before 14:00
Part no. 6825538
Comfort Module Unit BMW F20 F21 F30 F31 F32 Body Control FEM ECU LR01 6825538
PLN 379.95
Free delivery - Tue, Nov 25
If paid before 14:00
Part no. A9065420044
Mercedes W906 Bracket Mount Fuse Distribution Box A9065420044
PLN 42.95
Delivery - Tue, Nov 25
If paid before 14:00
Part no. A6229001000
Mercedes W447 114CDI OM622.851 136HP Engine Control Unit Manual A6229001000
PLN 1,424.95
Free delivery - Tue, Nov 25
If paid before 14:00
Part no. 9389069
BMW F20 F21 F30 F31 F32 X5 F15 X6 F16 Power Distribution Fuse Box Front 9389069
PLN 123.95
Free delivery - Tue, Nov 25
If paid before 14:00
Part no. 6867168
BMW 1 2 Series F20 F21 F30 F31 N13 N47N ECU ICM Control Unit Module 6867168
PLN 75.95
Free delivery - Tue, Nov 25
If paid before 14:00
Part no. 8574352
BMW X1 E84 20d 20dX 184HP N47N Engine Control Unit ECU DDE 8574352 Automatic
PLN 1,709.95
Free delivery - Tue, Nov 25
If paid before 14:00
Part no. 2225618
Ford Transit Custom Mk1 Engine Starter Motor 2.0 EcoBlue GK2T-11000-AB
PLN 265.95
Free delivery - Tue, Nov 25
If paid before 14:00
Part no. 9348356
BMW F20 F21 F22 F30 F32 Front Electronic Module Control Unit FEM 9348356
PLN 569.95
Free delivery - Tue, Nov 25
If paid before 14:00
Part no. 9205479
BMW 1 Series E81 E87 LCI Positive Battery Lead Distribution Box Cable Rear
PLN 189.95
Free delivery - Tue, Nov 25
If paid before 14:00
Part no. 8517874
BMW F20 F21 F30 116d 316d Diesel N47N Engine Control Unit ECU DDE 8517874 Manual
PLN 142.95
Free delivery - Tue, Nov 25
If paid before 14:00
Part no. A2059008218
Telematics Module Mercedes W176 W205 W218 Communication Control Unit A2059008218
PLN 94.95
Free delivery - Tue, Nov 25
If paid before 14:00
Part no. 9266328
ICM Module BMW F07 GT F01 F02 F03 F04 Air Module Control Unit ECU 9266328
PLN 42.95
Delivery - Tue, Nov 25
If paid before 14:00
Part no. 9175649
BMW E81 Footwell Light Module LOW PL2 FRM II 61359175649 9175649
PLN 141.95
Free delivery - Tue, Nov 25
If paid before 14:00
Part no. A2055409750
Door Harness Mercedes W205 Rear Left N/S Door Wiring Loom A2055409750
PLN 94.95
Free delivery - Tue, Nov 25
If paid before 14:00
Part no. A2479007708
Rain Sensor Mercedes C118 W177 W247 Front Windscreen Light Unit A2479007708
PLN 61.95
Free delivery - Tue, Nov 25
If paid before 14:00
Part no. 9350336
BMW F06 F12 F13 F80 Mini F56 Radio CD Player Head Unit 9395949
PLN 237.95
Free delivery - Tue, Nov 25
If paid before 14:00
Part no. A2125403005
Mercedes W212 M271 Wiring Battery Alternator Starter Harness Cable A2125403005
PLN 474.95
Free delivery - Tue, Nov 25
If paid before 14:00
Part no. 9239212
BMW E81 E87 E90 LCI Professional Navigation Car Computer CIC 9239212
PLN 949.95
Free delivery - Tue, Nov 25
If paid before 14:00
Part no. A1175450800
Negative Battery Terminal Mercedes C117 W176 W246 Lead Connector A1175450800
PLN 47.95
Delivery - Tue, Nov 25
If paid before 14:00
Part no. 8571905
BMW F20 F21 F22 F30 N47N Diesel Engine Starter Motor 8571905
PLN 75.95
Free delivery - Tue, Nov 25
If paid before 14:00
Part no. A1665402350
Fuse Box Mercedes GLE W166 C292 W463 Relay Control Unit Module A1665402350
PLN 94.95
Free delivery - Tue, Nov 25
If paid before 14:00
Part no. 6953467
BMW 1 3 Series E88 E93 Convertible Tel Phone Antenna Aerial 6953467
PLN 104.95
Free delivery - Tue, Nov 25
If paid before 14:00
Part no. 6G9T-14B192-EA-1
Ford Fiesta Transit Relay 4-Pin Grey FoMoCo Unit 6G9T-14B192-EA SET X2
PLN 42.95
Delivery - Tue, Nov 25
If paid before 14:00
Part no. 9247397
Body Control Unit BMW F01 F10 F11 F12 Module ZGW-01 High Central Gateway 9247397
PLN 42.95
Delivery - Tue, Nov 25
If paid before 14:00
Part no. 9212916
BMW 5 7 X5 E70 F01 F02 F10 F11 Rain / Light / Solar Fogging Sensor 9212916
PLN 47.95
Delivery - Tue, Nov 25
If paid before 14:00
Part no. 9389600
BMW Gran Turismo G32 Radio Aerial Antenna Amplifier AM/FM 9389600
PLN 123.95
Free delivery - Tue, Nov 25
If paid before 14:00
Part no. 4H0919275-SDA
Skoda Octavia 1Z PDC Parking Sensor 4H0919275 Anthracite Grey Metallic - F8J
PLN 42.95
Delivery - Tue, Nov 25
If paid before 14:00
Part no. A2829006700
Mercedes W177 A200 M282.814 163HP Engine Control Unit ECU A2829006700 Automatic
PLN 1,139.95
Free delivery - Tue, Nov 25
If paid before 14:00
Part no. W639 Taxi Modules
Mercedes Vito W639 Control Unit Set Taxi Rear Wheel Steering Intercom Module
PLN 1,139.95
Free delivery - Tue, Nov 25
If paid before 14:00
Part no. 9247481
BMW X3 F25 Control Module CAS Unit ECU 20dX Diesel N47N 9247481
PLN 427.95
Free delivery - Tue, Nov 25
If paid before 14:00
Part no. 1K0971349GA
Volkswagen VW Golf Mk6 1.6 TDI Alternator Cable Wiring Harness Loom 1K0971349GA
PLN 61.95
Free delivery - Tue, Nov 25
If paid before 14:00
Part no. 7792544
Mini One D Diesel W17 1ND 88HP Engine ECU Control Unit DDE 7792544 Manual
PLN 75.95
Free delivery - Tue, Nov 25
If paid before 14:00
Part no. 9278279
Mini R55 R56 LCI Instrument Cluster Speedo Navigation Display Screen 9278279
PLN 427.95
Free delivery - Tue, Nov 25
If paid before 14:00
Part no. A1775402500
Mercedes W177 W247 Battery Cable Negative Lead Terminal Harness A1775402500
PLN 42.95
Delivery - Tue, Nov 25
If paid before 14:00
Part no. A2479003216
Mercedes C118 W247 Head Unit Radio Sat Nav Navigation Control Unit A2479003216
PLN 2,374.95
Free delivery - Tue, Nov 25
If paid before 14:00
Part no. A2129004402
Door Module Mercedes W212 E-Class Front Left N/S Control Unit A2129004402
PLN 46.95
Delivery - Tue, Nov 25
If paid before 14:00
Part no. A0009004802
Air Module Mercedes W639 W906 ECU Control Unit Crash Impact A0009004802
PLN 42.95
Delivery - Tue, Nov 25
If paid before 14:00
Part no. 6824116
BMW 3 F30 LCI 330e Hybrid High Voltage Battery Wiring Inverter Cable 6824116
PLN 379.95
Free delivery - Tue, Nov 25
If paid before 14:00
Part no. 06E903024L
Audi A4 S4 B9 A5 A5 F5 3.0 Petrol Alternator Generator 14V 150A 06E903024L
PLN 854.95
Free delivery - Tue, Nov 25
If paid before 14:00
Part no. A1779001604
Mercedes W177 W247 Door Module Front Right Control Unit A1779001604
PLN 47.95
Delivery - Tue, Nov 25
If paid before 14:00
Part no. 9208452
Wiring BMW F07 Front Bumper PDC Wiring Park Assist Sensor Harness 9208452
PLN 284.95
Free delivery - Tue, Nov 25
If paid before 14:00
Part no. A1648208289
Mercedes ML W164 Radio CD Player Audio Stereo Head Unit A1648208289
PLN 284.95
Free delivery - Tue, Nov 25
If paid before 14:00
Part no. A2075400440
Mercedes-Benz E-Class A207 Additional Battery Tray Holder Mounting Bracket
PLN 46.95
Delivery - Tue, Nov 25
If paid before 14:00
Part no. 9345374
BMW F10 LCI Light Control Footwell Module ECU Unit FRM3 9345374
PLN 284.95
Free delivery - Tue, Nov 25
If paid before 14:00
Part no. A2129060205
SAM Module Mercedes W207 A207 C207 Rear Control Unit ECU A2129060205
PLN 427.95
Free delivery - Tue, Nov 25
If paid before 14:00
Part no. 03L911024B
Audi A6 C7 2.0 TDI CGLC Diesel Starter Motor 03L911024B
PLN 94.95
Free delivery - Tue, Nov 25
If paid before 14:00
Part no. A0035455005
Mercedes W202 W210 Kick Down Kickdown Relay Electrical Module Unit A0035455005
PLN 47.95
Delivery - Tue, Nov 25
If paid before 14:00
Part no. 9294199
BMW F20 F21 F22 F30 F31 Alpine CD Champ 2 Radio Player Head Unit 9294199
PLN 94.95
Free delivery - Tue, Nov 25
If paid before 14:00
Part no. 4L0959794B
Audi Q7 4L Door Control Module Electrical Unit ECU Rear Right O/S 4L0959794B
PLN 75.95
Free delivery - Tue, Nov 25
If paid before 14:00
Part no. 9381445
Mini Cooper F55 F56 F57 IBS Negative Battery Lead Cable 9381445
PLN 47.95
Delivery - Tue, Nov 25
If paid before 14:00
Part no. 6867169
Air Module BMW F20 F23 F30 F32 F36 Domain Control Module ICM Unit 6867169
PLN 118.95
Free delivery - Tue, Nov 25
If paid before 14:00
Part no. A1635408905
Mercedes-Benz M-Class ML W163 Rear Axle Brake Wiring Loom Harness A1635408905
PLN 42.95
Delivery - Tue, Nov 25
If paid before 14:00
Part no. 8K9035382B-1
Audi RS4 B8 Boot Trunk Speaker Spare Wheel Holder Audio Kicker 8K9035382B
PLN 332.95
Free delivery - Tue, Nov 25
If paid before 14:00
Part no. A1698207226
Door Module Mercedes W169 W245 Front Right O/S Control Unit A1698207226
PLN 42.95
Delivery - Tue, Nov 25
If paid before 14:00
Part no. 6956020-2
Mini Cooper One Convertible R52 Rear Bumper PDC Wiring Parking Sensor Loom Cable
PLN 61.95
Free delivery - Tue, Nov 25
If paid before 14:00
Part no. 9226884
BMW F20 F21 LCI Antenna Amplifier Diversity 9226884
PLN 47.95
Delivery - Tue, Nov 25
If paid before 14:00
Part no. A2218707386
Mercedes W221 Door Control Unit Module Right Rear O/S A2218707386
PLN 113.95
Free delivery - Tue, Nov 25
If paid before 14:00
Part no. 9322532
Gateway Module BMW F01 F10 F11 F12 Central Body Control 9244262
PLN 61.95
Free delivery - Tue, Nov 25
If paid before 14:00
Part no. A1779001304
Door Module Mercedes C118 W177 W247 Front Left N/S Control Unit A1779001304
PLN 94.95
Free delivery - Tue, Nov 25
If paid before 14:00
Part no. 7550469-2
BMW E60 E61 E81 E87 LCI E90 E91 E92 E93 Alternator Petrol 180A 7550469
PLN 61.95
Free delivery - Tue, Nov 25
If paid before 14:00
Part no. A0035453501
Mercedes Vaneo W414 Sprinter W901 W902 W903 Fuse Box Battery A0035453501
PLN 42.95
Delivery - Tue, Nov 25
If paid before 14:00
Part no. A1729007313
Mercedes SLC R172 PDC Parking Sensor Module Unit ECU A1729007313
PLN 379.95
Free delivery - Tue, Nov 25
If paid before 14:00
Part no. 7586426
BMW E89 F10 F25 F26 Battery Clamp Bracket Holder 7586426
PLN 42.95
Delivery - Tue, Nov 25
If paid before 14:00
Part no. A0009822723
Mercedes W205 Estate Fuse Relay Box Module Control A0009822723
PLN 42.95
Delivery - Tue, Nov 25
If paid before 14:00
Key components of vehicle electrical systems
Original electrical parts for popular car brands
A car's electrical system is a complex system responsible for many key functions—from engine starting to lighting and on-board electronics. Modern cars are equipped with increasingly advanced electrical solutions that not only improve driving comfort but also enhance safety. At the Global Parts automotive store you will find a wide range of used car parts , such as alternators, starters, batteries, control modules and other automotive electrical systems that perfectly fit BMW , Audi , Mercedes , Volkswagen , Mini and many others.
How does a car's electrical system work?
A car's electrical system is a complex system that consists of several key components that work together to ensure the vehicle's reliable operation:
- Battery accessories – Includes clamps, cables, holders and other components necessary for battery installation and maintenance.
- Electronic control modules and controllers – They control and manage the operation of various vehicle systems, such as the engine, air conditioning and ABS.
- Alternators and generators – Responsible for generating electricity and charging the battery while the engine is running.
- Parts for alternators and generators – Including voltage regulators, brushes and bearings that ensure proper operation of the alternator.
- Starters – Key components of the starting system that enable the engine to be started.
- Starter parts – Including bendixes, rotors and solenoids necessary for the proper operation of the starter.
- Batteries – They store the electrical energy necessary to start the engine and power on-board systems.
- Wires, harnesses and connectors – They transmit energy and electrical signals between various vehicle systems.
- Fuses and fuse boxes – Protect the electrical system against overloads and short circuits.
- Relays – They control the flow of current in individual electrical circuits of the vehicle. A functioning electrical system is the basis for the reliability of your car, regardless of operating conditions.
Key technical parameters of electrical systems
Each of these components has specific technical parameters that determine its compatibility with the vehicle. For example, alternators installed in mid-range cars (e.g., Volkswagen Passat B6) typically have a capacity of 90 A to 140 A, while luxury vehicles (e.g., Mercedes S-Class) require alternators with a capacity exceeding 180 A. Starter motors vary in torque and operating voltage – the standard is 12 V, while 24 V starters are used in heavy-duty vehicles.
Why is it worth taking care of your car's electrical system?
Regular maintenance and replacement of electrical system components is key to reliability and road safety. Faulty components can lead to:
- Problems starting the engine.
- Failure of safety systems such as ABS or airbags.
- Decreased efficiency of on-board equipment, e.g. lighting or air conditioning. At the Global Parts store we offer original used car parts , which have undergone detailed quality tests, ensuring their full functionality.
Symptoms of electrical system disruptions
In practice, electrical faults manifest themselves in a variety of ways. Drivers most often notice: dimming lights when parked, difficulty starting the engine, a voltage drop on the on-board computer, or air conditioning malfunctions. The table below presents typical correlations:
| Symptom | Possible cause | Item to check |
|---|---|---|
| Difficulty starting the engine | Worn out starter or battery | Starter motor, battery |
| Dimming the lights | Inefficient alternator | Alternator, voltage regulator |
| Electric windows not working | Damaged relays or harness | Relays, wires |
How to choose the right parts for your electrical system?
When choosing parts for the electrical system, such as alternators, starters or control modules, it is worth paying attention to:
- Vehicle-specific fit – Every car make and model requires specific specifications. At Global Parts, you'll find parts that perfectly fit BMW , Audi , Mercedes , Volkswagen , Mini, and many more .
- Technical condition – All used parts we offer are thoroughly checked to ensure their reliability.
- Technical parameters – For example, alternators should have appropriate current output, adapted to the needs of your vehicle.
Compatibility and fit
The selection of electrical parts is based primarily on OEM part numbers, but matching them to specific parameters is equally important, including current, voltage, and the number of connector pins. For example, the 120A alternator used in the Audi A4 B7 differs significantly from the 150A version installed in the Audi A6 C6 . Therefore, using manufacturer catalogs or providing the VIN makes finding the right component much easier.
Why choose used electrical parts?
Purchase of used car parts This solution allows you to combine savings with quality. Why choose it?
- Lower costs – Used alternators, starters and other parts are cheaper than new ones, but offer the same high quality.
- Ecology – You support recycling and reduce waste by choosing used car parts .
- Wide range – We offer electrical parts for the most popular car brands, so you can easily find what you need.
How to take care of your car's electrical system?
To ensure your electrical system operates reliably for years, it is worth remembering a few rules:
- Regularly check the battery condition and charge level.
- Take care of your cables and connectors – corrosion or damage can lead to voltage drops and failures.
- Monitor the operation of the alternator and starter – early detection of problems will help avoid more serious breakdowns. If you have any problems, you will find the right car parts at Global Parts that will help restore your vehicle to full working order.
Step-by-step control procedures
- Measure the battery voltage with a multimeter – the resting value should be approximately 12.6 V.
- Check the charging voltage with the engine running – the correct range is 13.8–14.5 V.
- Assess the condition of the wires and terminals – lack of corrosion and a firm seat are essential.
- If in doubt, check the quiescent current consumption – it should not exceed 0.05–0.08 A.
FAQ - Frequently asked questions about electrical systems in cars
| Question | Answer |
|---|---|
| What is a car electrical system? | This is a set of components responsible for powering and controlling all electrical functions in the car – from engine starting to multimedia. |
| What is an alternator for in a car? | The alternator generates electrical current when the engine is running and charges the battery. |
| What is the difference between a starter and an alternator? | The starter motor is used solely to start the engine, while the alternator is responsible for generating energy while driving. |
| How to check if the battery is working? | Just measure its voltage – a healthy battery should have approximately 12.6 V at rest and maintain a voltage above 10 V during cranking. |
| What are the most common symptoms of car electrical failure? | Problems starting the engine, flashing warning lights, power windows not working or dimming lights. |
| Do electrical parts from one model fit another? | Sometimes yes, but the key is to match it by VIN or OEM number – this guarantees compatibility. |
| How often should you check your electrical system? | It is worth performing basic diagnostics (battery, alternator) at least once a year or before a long trip. |
Summary: Automotive electrical systems at Global Parts Automotive Store
Automotive electrical systems are the foundation of the reliability and comfort of every modern vehicle. By choosing the right parts, such as alternators, batteries, and control modules, you can ensure your car's full operational efficiency. The Global Parts automotive store invites you to browse our wide selection of original used car parts . Whether you're looking for car parts for BMW , Audi , Volkswagen , Mercedes, Mini , or others, you'll find them at competitive prices. We strive to ensure every customer finds the right parts for their car, and if you have any questions or concerns about selecting the right components, we're happy to help! Please contact us – we're here to help! For more information and interesting facts, visit our automotive blog .