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.

Automotive electrical systems

At 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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Products in promotion

Part no. 8517727-3

Mini Cooper D R60 ALL4 112HP 1.6 N47N Engine ECU Kit DDE 8517727 + CAS3 + Key

PLN 664.95

Free delivery - Mon, Nov 24

If paid before 14:00

Part no. 8608020

Gearbox Module Mini F55 F56 F57 Automatic Basic Control Unit EGS 8608020

PLN 949.95

Free delivery - Mon, Nov 24

If paid before 14:00

Part no. 9142405

Mini Cooper One R56 Front Left Door Wiring Harness N/S 9142405

PLN 37.95

Delivery - Mon, Nov 24

If paid before 14:00

Part no. 9213374

Mini R55 R56 R57 Cover Power Distribution Fuse Box 9213374

PLN 47.95

Delivery - Mon, Nov 24

If paid before 14:00

Part no. 6916058

Mini Cooper R50 R52 R53 Support Bracket Navigation Computer 6916058

PLN 42.95

Delivery - Mon, Nov 24

If paid before 14:00

Part no. 7644251

Mini Cooper One R55 R56 R57 R60 Battery Mounting Bracket Clamp Bolt Holder

PLN 42.95

Delivery - Mon, Nov 24

If paid before 14:00

Part no. 7806042

Mini R55 R56 Connecting Wiring Cable Cooper D W16 Diesel 7806042

PLN 42.95

Delivery - Mon, Nov 24

If paid before 14:00

Part no. 9286640

Mini Navigation Head Unit R55 R56 R57 LCI R60 R61 CHAMP 2 Sat Nav DAB 9286640

PLN 1,234.95

Free delivery - Mon, Nov 24

If paid before 14:00

Part no. 8519663-14

Mini Cooper D R56 LCI R60 N47N 112HP Diesel Engine Unit ECU DDE 8519663 Manual

PLN 379.95

Free delivery - Mon, Nov 24

If paid before 14:00

Part no. 7520019

Mini Cooper One R50 Petrol W10 W11 Engine Control Unit DME 7520019 Automatic

PLN 42.95

Delivery - Mon, Nov 24

If paid before 14:00

Part no. 9811783

Mini Cooper Paceman R61 Wiring Loom Harness Front Cable 9811783

PLN 37.95

Delivery - Mon, Nov 24

If paid before 14:00

Part no. 2753031

Mini Wiring Loom Harness Cable Plug Connector Socket Input 2753031

PLN 37.95

Delivery - Mon, Nov 24

If paid before 14:00

Part no. 9805533

Mini R60 Rear PDC Ultrasonic Parking Sensor Royal Grey Metallic 9805533

PLN 75.95

Free delivery - Mon, Nov 24

If paid before 14:00

Part no. 6917556-IB

Mini R50 R52 R53 Rear PDC Ultrasonic Parking Sensor Indi Blue 6917556

PLN 66.95

Free delivery - Mon, Nov 24

If paid before 14:00

Part no. 3456871-1

Radio Boost CD Player Mini R56 R57 LCI R60 Head Unit Audio Player 3456871

PLN 949.95

Free delivery - Mon, Nov 24

If paid before 14:00

Part no. 3451925-1

Mini Cooper One R55 High SPEG DC/DC M3 Fuse Distribution Box 3451925

PLN 85.95

Free delivery - Mon, Nov 24

If paid before 14:00

Part no. 7520933

Mini Cooper One W10 R52 Wiring Harness Loom Engine 7520933 7531839 7514274

PLN 74.95

Free delivery - Mon, Nov 24

If paid before 14:00

Part no. 6906600-1

BMW Mini Cooper R50 R52 R53 JCW Fuse Box Housing 6906600

PLN 61.95

Free delivery - Mon, Nov 24

If paid before 14:00

Part no. 9291977

Mini Roadster R59 Cabrio Convertible Top Module CVM 61359291977 9291977

PLN 427.95

Free delivery - Mon, Nov 24

If paid before 14:00

Part no. 3456421

Mini Roadster R59 Aerial Roof Antenna Base Module 3456421

PLN 93.95

Free delivery - Mon, Nov 24

If paid before 14:00

Part no. 8654460

Mini Cooper F54 F55 136HP Petrol B38 Engine Control ECU DME 8654460 Manual

PLN 664.95

Free delivery - Mon, Nov 24

If paid before 14:00

Part no. 3456946

Mini Cooper R55 R56 R57 LCI R58 R59 CHAMP 2 Navigation 9270726

PLN 949.95

Free delivery - Mon, Nov 24

If paid before 14:00

Part no. 9364638

Mini Cooper One F54 F55 F56 F60 ECU Body Domain Controller BDC Module 9364638

PLN 522.95

Free delivery - Mon, Nov 24

If paid before 14:00

Part no. 9387226

Mini Cooper One F54 F55 F56 F60 ECU Body Domain Controller BDC Module 9387226

PLN 664.95

Free delivery - Mon, Nov 24

If paid before 14:00

Part no. 9167397-1

Mini Cooper R57 R58 R59 Microphone Hands Free Telephone 9167397

PLN 61.95

Free delivery - Mon, Nov 24

If paid before 14:00

Part no. P0148459-BRG1

Mini Cooper One R50 Fuel Filler Cover Flap British Racing Green A67

PLN 42.95

Delivery - Mon, Nov 24

If paid before 14:00

Part no. 7512967

Mini Cooper R50 R52 R53 Base B+ Terminal Point Engine Compartment 7512967

PLN 42.95

Delivery - Mon, Nov 24

If paid before 14:00

Part no. 1513396

Mini Cooper One S R50 R53 Door Cable Harness Wiring Loom Left N/S 1513396

PLN 61.95

Free delivery - Mon, Nov 24

If paid before 14:00

Part no. 6800903

Mini R50 R52 R53 Steering Wheel Horn Switch Right O/S 6800903

PLN 42.95

Delivery - Mon, Nov 24

If paid before 14:00

Part no. 6910920

Mini Cooper One R50 R53 Heater Temperature Control Actuator 0132801166

PLN 94.95

Free delivery - Mon, Nov 24

If paid before 14:00

Part no. 9808786

Mini Paceman R61 Front Right O/S Window Lifter Mechanism Motor Regulator 9808786

PLN 75.95

Free delivery - Mon, Nov 24

If paid before 14:00

Part no. 9317092

Mini One F55 F56 Cable Electric Automatic Hold Brake Handbrake 9317092

PLN 42.95

Delivery - Mon, Nov 24

If paid before 14:00

Part no. 1405523

Mini One D R50 R53 Cooper S Fuse Box 1405523

PLN 47.95

Delivery - Mon, Nov 24

If paid before 14:00

Part no. 7607705

Mini Cooper One R56 N16 Automatic Gearbox Basic Control Unit EGS 7607705

PLN 331.95

Free delivery - Mon, Nov 24

If paid before 14:00

Part no. 9142398

Mini Cooper R55 R56 Cable Wiring Set HiFi Driver's Side 9142398

PLN 113.95

Free delivery - Mon, Nov 24

If paid before 14:00

Part no. 7510921

Mini R52 Cabrio Petrol W10 Engine Wiring Loom Harness Module 7510921

PLN 113.95

Free delivery - Mon, Nov 24

If paid before 14:00

Part no. 2371741

Mini F55 F56 Battery Cable Positive Battery Alternator Starter Wiring 2371741

PLN 94.95

Free delivery - Mon, Nov 24

If paid before 14:00

Part no. 8574048

Mini F54 F55 F56 F57 F60 Engine Starter Motor Plug Bracket Holder Mount 8574048

PLN 42.95

Delivery - Mon, Nov 24

If paid before 14:00

Part no. 9199491

BMW Mini Clubman R55 Cable Wiring Loom Splitdoor Door Rear Left N/S 9199491

PLN 42.95

Delivery - Mon, Nov 24

If paid before 14:00

Part no. 9807759

Mini Cooper R60 Wiring Passenger Loom Front Door Cables Left N/S 9809480

PLN 42.95

Delivery - Mon, Nov 24

If paid before 14:00

Part no. 382327

Ultrasonic Module Mini Countryman Paceman R60 R61 Alarm System Sensor 0382327

PLN 42.95

Delivery - Mon, Nov 24

If paid before 14:00

Part no. 6952290

Mini Cooper Cabrio R52 Convertible Folding Roof Control Unit Module ECU 6952290

PLN 61.95

Free delivery - Mon, Nov 24

If paid before 14:00

Part no. 7570488-2

Mini Cooper 2 R50 R52 R53 W10 1.6 Petrol Engine Starter Motor Remy 7570488

Product currently unavailable

Part no. 8519663-4

Mini Cooper D ALL4 R60 N47N 1.6 Diesel Engine ECU Kit DDE 8519663 CAS3 + Key

PLN 759.95

Free delivery - Mon, Nov 24

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 - Mon, Nov 24

If paid before 14:00

Part no. 9151148

BMW X5 E70 X6 E71 Mini Cooper R55 R56 R57 6 Disc CD Changer 9151148

PLN 42.95

Delivery - Mon, Nov 24

If paid before 14:00

Part no. 9230680

BMW Mini Cooper One R55 R56 R57 CD Changer 6 Disc Player 9167081

PLN 237.95

Free delivery - Mon, Nov 24

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 - Mon, Nov 24

If paid before 14:00

Part no. 9360357-1

Door Wiring Mini F55 F56 R60 Rear Right Left N/O/S Harness Loom Cable 9360357

PLN 85.95

Free delivery - Mon, Nov 24

If paid before 14:00

Part no. 6906606

Mini Cooper One R50 R52 R53 Fuse Box Electrical Unit Cover Cap Black 6906606

PLN 47.95

Delivery - Mon, Nov 24

If paid before 14:00

Part no. 6940432

Mini Cooper R50 R53 Adapter Lead With Diode EHPAS Cable Wiring 6940432

PLN 94.95

Free delivery - Mon, Nov 24

If paid before 14:00

Part no. 6821970

Mini Cooper One F54 F55 F56 F60 ECU Body Domain Controller BDC Module 6821970

PLN 949.95

Free delivery - Mon, Nov 24

If paid before 14:00

Part no. 9309997

Mini F57 Cabrio Aerial Base Antenna Rod Unit AM / FM / TEL / GPS / DAB-L 9309997

PLN 569.95

Free delivery - Mon, Nov 24

If paid before 14:00

Part no. 9137804

Mini Cooper One R55 R56 R57 R58 R59 Drivers Door Wiring Harness Loom 9137804

PLN 42.95

Delivery - Mon, Nov 24

If paid before 14:00

Part no. 8594487

BMW F45 Mini F56 Positive Battery Alternator Starter Cable Wiring 8594487

PLN 94.95

Free delivery - Mon, Nov 24

If paid before 14:00

Part no. 7601993

Mini Cooper One R55 R56 R57 R60 Neutral Start Stop Gearbox Sensor Module 7601993

PLN 170.95

Free delivery - Mon, Nov 24

If paid before 14:00

Part no. 9354228

Mini Cooper F56 Rain Light Turn On Sensor Unit 9354228

PLN 113.95

Free delivery - Mon, Nov 24

If paid before 14:00

Part no. 8517727

Mini Cooper D R60 N47N Engine Control Unit ECU 8517727 Manual

PLN 237.95

Free delivery - Mon, Nov 24

If paid before 14:00

Part no. 8512415-7

Mini Cooper SD R60 ALL4 N47N 143HP Engine ECU Kit DDE 8512415 CAS3 Key Manual

PLN 949.95

Free delivery - Mon, Nov 24

If paid before 14:00

Part no. 9388179

Mini Cooper One F54 F55 F56 F60 ECU Body Domain Controller BDC Module 9388179

PLN 617.95

Free delivery - Mon, Nov 24

If paid before 14:00

Part no. 1472984-2

Mini R50 R52 R53 R55 R56 R57 R58 R59 R60 5-Pin Black Relay Wiper Set 1472984

PLN 42.95

Delivery - Mon, Nov 24

If paid before 14:00

Part no. 1472984-3

Mini R50 R52 R53 R55 R56 R57 R58 R59 R60 5-Pin Black Relay Wiper Set 1472984

PLN 42.95

Delivery - Mon, Nov 24

If paid before 14:00

Part no. 7939175

Mini F54 F55 F56 F57 F60 Rain Light Solar HUD Sensor 9496244

PLN 284.95

Free delivery - Mon, Nov 24

If paid before 14:00

Part no. 7574294

Mini Cooper S R56 Automatic Gearbox TCU ECU Control Unit EGS Module 7574294

PLN 189.95

Free delivery - Mon, Nov 24

If paid before 14:00

Part no. 7571142-1

Mini Cooper R55 R56 R57 Battery Cable Wiring Lead Power Positive 7571142

PLN 47.95

Delivery - Mon, Nov 24

If paid before 14:00

Part no. 9342080

BMW Mini Cooper F55 F56 F57 F60 Telematics Control Unit Module 2622390

PLN 94.95

Free delivery - Mon, Nov 24

If paid before 14:00

Part no. 9361654

Radio Player Mini F55 F56 CD Bluetooth DAB Control Unit Module 9361654

PLN 427.95

Free delivery - Mon, Nov 24

If paid before 14:00

Part no. 7790996

Mini One D R50 W17 Base B+ Battery Terminal Point Engine Compartment 7790996

PLN 47.95

Delivery - Mon, Nov 24

If paid before 14:00

Part no. 6906614-1

Mini Cooper One R50 R52 R53 Power Distribution Fuse Box Front 6906614

PLN 47.95

Delivery - Mon, Nov 24

If paid before 14:00

Part no. 8506666-5

Mini One R56 LCI 90HP N47N Diesel Engine ECU Control Unit DDE 8506666 Manual

PLN 427.95

Free delivery - Mon, Nov 24

If paid before 14:00

Part no. 8617239

Gearbox Module Mini R55 R56 LCI R60 Automatic Transmission Unit EGS 8617239

PLN 275.95

Free delivery - Mon, Nov 24

If paid before 14:00

Part no. 9805535

BMW Countryman R60 R61 Centre Console Retaining Bracket Rail Rear 9805535

PLN 47.95

Delivery - Mon, Nov 24

If paid before 14:00

Part no. 7600564

Mini Cooper R56 Automatic Gearbox TCU ECU Control Unit EGS Module 7579136

PLN 142.95

Free delivery - Mon, Nov 24

If paid before 14:00

Part no. 9805670-1

Mini R60 Countryman Window Lifter Motor Drive Front Right O/S Door 9804384

PLN 47.95

Delivery - Mon, Nov 24

If paid before 14:00

Part no. 8519663-16

Mini Cooper SD R60 R61 ALL4 N47N 143HP ECU Kit DDE 8519663 CAS3 Key Manual

PLN 807.95

Free delivery - Mon, Nov 24

If paid before 14:00

Part no. 3456872

Mini Cooper R55 R56 R57 LCI R60 Radio Boost CD Player Unit Head 3456872

PLN 1,092.95

Free delivery - Mon, Nov 24

If paid before 14:00

Part no. 7571142-2

Mini Cooper R55 R56 R57 Battery Cable Wiring Lead Power Positive 7571142

PLN 42.95

Delivery - Mon, Nov 24

If paid before 14:00

Part no. 8691827-2

Mini Cooper F56 B38 136HP Petrol Engine ECU Kit DME 8691827 BDC + Key Manual

PLN 1,709.95

Free delivery - Mon, Nov 24

If paid before 14:00

Part no. 9338153

Mini F54 F60 Clubman Countryman Antenna Aerial Amplifier AM / FM Unit 9338153

PLN 75.95

Free delivery - Mon, Nov 24

If paid before 14:00

Part no. 8512415

Mini Cooper D R60 ALL4 N47N 112HP Diesel Engine Control Unit ECU DDE 8512415

PLN 189.95

Free delivery - Mon, Nov 24

If paid before 14:00

Part no. 6962783

Mini Cooper One R50 Cable Harness Wiring Loom Door Front Left N/S 6962783

PLN 75.95

Free delivery - Mon, Nov 24

If paid before 14:00

Part no. 8677247

Mini Countryman F60 Cable Alternator Starter Wire 12428677247 8677247

PLN 151.95

Free delivery - Mon, Nov 24

If paid before 14:00

Part no. 7542310

BMW Mini Cooper One R50 DME Petrol Engine Control Unit ECU Automatic 7542310

PLN 94.95

Free delivery - Mon, Nov 24

If paid before 14:00

Part no. 6805893

Mini F60 Countryman Door Wiring Harness Rear Left Right N/O/S 6805893

PLN 113.95

Free delivery - Mon, Nov 24

If paid before 14:00

Part no. 9364729

Mini F55 F56 F57 Battery Cable Positive Wire Lead Cable Terminal 9364729

PLN 47.95

Delivery - Mon, Nov 24

If paid before 14:00

Part no. 7587465-1

IBS Cable Mini R55 R56 R57 Negative Battery Lead Terminal Wiring Cable 7587465

PLN 142.95

Free delivery - Mon, Nov 24

If paid before 14:00

Part no. 6835346

Mini F60 Rear Door Harness Loom Cable Wiring Left Right N/O/S 6835346

PLN 85.95

Free delivery - Mon, Nov 24

If paid before 14:00

Part no. 8611289

Mini Cooper S R56 JCW Coolant Thermostat Adapter Wiring Cable 8611289

PLN 123.95

Free delivery - Mon, Nov 24

If paid before 14:00

Part no. 8658275

Mini Cooper One F54 F55 F56 F57 F60 Starter Motor Engine Petrol 8658275

PLN 189.95

Free delivery - Mon, Nov 24

If paid before 14:00

Part no. 9389115

Mini Countryman R60 CAS3 Control Unit Key Reading Module 9389115

PLN 427.95

Free delivery - Mon, Nov 24

If paid before 14:00

Part no. 8799259

Mini F56 Active Sound Design Radio Audio Amplifer Control Unit Module 8799259

PLN 313.95

Free delivery - Mon, Nov 24

If paid before 14:00

Part no. 3456911

Mini Cooper R57 PL3 SPEG H4 Fuse Distribution Box 3456911

PLN 712.95

Free delivery - Mon, Nov 24

If paid before 14:00

Part no. 9354289

BMW F45 F46 Mini F60 Sensor For Pedestrian Protection PTS Control Unit 9354289

PLN 237.95

Free delivery - Mon, Nov 24

If paid before 14:00

Part no. 6949229-1

2 x Mini R52 Convertible DWA Door Alarm System Module Control Unit Set 6949229

PLN 47.95

Delivery - Mon, Nov 24

If paid before 14:00

Part no. 6949229-2

4 x Mini R52 Convertible DWA Door Alarm System Module Control Unit Set 6949229

PLN 56.95

Delivery - Mon, Nov 24

If paid before 14:00

Part no. 6949228-2

4 x Mini Cooper R52 Convertible DWA Door Alarm System Module Unit Set 6949228

PLN 56.95

Delivery - Mon, Nov 24

If paid before 14:00

Part no. 6949228-1

2 x Mini Cooper R52 Convertible DWA Door Alarm System Module Unit Set 6949228

PLN 47.95

Delivery - Mon, Nov 24

If paid before 14:00

Part no. 3455305-1

2 x Mini R57 R58 R59 DWA Door Alarm System Module Control Unit Set 3455305

PLN 42.95

Delivery - Mon, Nov 24

If paid before 14:00

Part no. 3455305-2

3 x Mini R57 R58 R59 DWA Door Alarm System Module Control Unit Set 3455305

PLN 51.95

Delivery - Mon, Nov 24

If paid before 14:00

...

Showing 199-297 of 940 products

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 .

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