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. 9299592

BMW F10 F11 Central Gateway Module ECU Control Unit Lear ZGW-02 4SK 9299592

€42.95

Free delivery - Tue, Jan 13

If paid before 14:00

Part no. 8576484

BMW X3 G01 G20 G21 G30 G31 Starter Acoustic Vibration Plug 8576484 8588900

€23.95

Free delivery - Tue, Jan 13

If paid before 14:00

Part no. 8574351

BMW X1 E84 16d 18d 18dX Diesel N47N Engine Control Unit ECU DDE 8574351 Manual

€94.95

Free delivery - Tue, Jan 13

If paid before 14:00

Part no. 6949226

BMW E63 E64 Convertible Coupe DWA Alarm System Module Control Unit 6949226

€23.95

Free delivery - Tue, Jan 13

If paid before 14:00

Part no. 9141048

BMW E60 E87 E90 E91 Hands-Free Electronics Charging MULF2 9141048

€71.95

Free delivery - Tue, Jan 13

If paid before 14:00

Part no. 9282072

BMW 5 Series F10 F11 Cable Loom Door Passenger Side Wiring Harness 9256002

€23.95

Free delivery - Tue, Jan 13

If paid before 14:00

Part no. 9324779

BMW F20 F21 F22 F30 F31 F32 F36 Module Control Unit FEM LR-01 9324779

€113.95

Free delivery - Tue, Jan 13

If paid before 14:00

Part no. 9153136

BMW F01 F02 F03 LCI Holder Bracket Control Telematics Unit 9153136

€23.95

Free delivery - Tue, Jan 13

If paid before 14:00

Part no. 9267203

BMW 3 Series E90 LCI Body Control Module H1 PL2RR JBBFE IIIR 61359267203 9267203

€47.95

Free delivery - Tue, Jan 13

If paid before 14:00

Part no. 8578495

Engine Wiring BMW F30 F31 330d F32 F36 430d N57N Loom Harness Cable 8578495

€66.95

Free delivery - Tue, Jan 13

If paid before 14:00

Part no. 8092797

Engine Wiring BMW F87 M2 F82 F83 M4 S55 Loom Module Harness Cable 8092797

€132.95

Free delivery - Tue, Jan 13

If paid before 14:00

Part no. 8843416

BMW G30 Battery Cell Module Supervision Circuit Control Unit 8843416

€42.95

Free delivery - Tue, Jan 13

If paid before 14:00

Part no. 8612576

BMW X1 F30 F31 LCI Starter Motor Engine 8612576

€23.95

Free delivery - Tue, Jan 13

If paid before 14:00

Part no. 6949226-2

4 x BMW E63 E64 DWA Door Alarm System Module Control Unit Set 6949226

€23.95

Free delivery - Tue, Jan 13

If paid before 14:00

Part no. 9262871

BMW F01 Front Door Wiring Loom Cable Harness 9262871

€32.95

Free delivery - Tue, Jan 13

If paid before 14:00

Part no. 9153137

BMW F01 F02 F03 Holder Bracket Control Unit Top Rear Side View 9153137

€23.95

Free delivery - Tue, Jan 13

If paid before 14:00

Part no. 9261095

BMW 7 Series F01 F02 LCI Antenna Aerial Noise Suppression Filter 9261095

€23.95

Free delivery - Tue, Jan 13

If paid before 14:00

Part no. 9230944

Control Unit BMW F01 F02 F07 F10 F11 CAS4 Key Reading Module 9230944

€79.95

Free delivery - Tue, Jan 13

If paid before 14:00

Part no. 6938217

BMW 3 Series E90 E91 Wiring Loom Cable Front Door Left Passenger Side 6938217

€23.95

Free delivery - Tue, Jan 13

If paid before 14:00

Part no. 7577068-2

BMW E90 E91 E92 N52N 325i 218HP Engine ECU Kit DME 7577068 CAS3 Key Automatic

€427.95

Free delivery - Tue, Jan 13

If paid before 14:00

Part no. 8581370-1

BMW F40 Mini Cooper F56 F57 F60 Bracket Control Unit Box Engine 8581370

€23.95

Free delivery - Tue, Jan 13

If paid before 14:00

Part no. 8379094

BMW X5 Series E53 Rear Right Door Stereo Audio Loudspeaker O/S 8379094

€23.95

Free delivery - Tue, Jan 13

If paid before 14:00

Part no. 1378238

BMW E60 E63 E87 E90 E91 Relay Make Contact Orange 1378238

€23.95

Free delivery - Tue, Jan 13

If paid before 14:00

Part no. 9347914

BMW 5 Series F07 F10 F11 CAS4 Control Unit Key Reading Module 9347914

€132.95

Free delivery - Tue, Jan 13

If paid before 14:00

Part no. 9224588

BMW E81 Footwell Light Module Control Unit ECU BASIS PL2 FRM3R 9224588

€161.95

Free delivery - Tue, Jan 13

If paid before 14:00

Part no. 6937515-9

BMW E87 E90 E91 Radiator Fan Cable Harness Loom Wiring 6937515

€23.95

Free delivery - Tue, Jan 13

If paid before 14:00

Part no. 6949226-1

2 x BMW E63 E64 DWA Door Alarm System Module Control Unit Set 6949226

€23.95

Free delivery - Tue, Jan 13

If paid before 14:00

Part no. 9293307

BMW F30 REM Rear Electronic Module Fuse Box Control Unit V2 9293307

€28.95

Free delivery - Tue, Jan 13

If paid before 14:00

Part no. 9153135

BMW F01 F02 F03 Holder Bracket Control Unit Amplifier 9153135

€23.95

Free delivery - Tue, Jan 13

If paid before 14:00

Part no. 8519009

BMW X1 E84 20d 20dX Diesel N47N Engine Control Unit ECU DDE 8519009 Manual

€75.95

Free delivery - Tue, Jan 13

If paid before 14:00

Part no. 7595179-2

BMW 1 Series E81 E87 LCI N43 116i 2.0 Petrol ECU Kit 7595179 DME CAS3 Key

€142.95

Free delivery - Tue, Jan 13

If paid before 14:00

Part no. 8385159-1

BMW X3 E83 E46 Battery Cable Holder Mounting B Base Trim Carrier 8385159

€23.95

Free delivery - Tue, Jan 13

If paid before 14:00

Part no. 6923502

Mini R50 One D Diesel W17 Cable Starter Base B- Wire 6923502

€23.95

Free delivery - Tue, Jan 13

If paid before 14:00

Part no. 9227179

BMW 1 Series E81 Body Control Module ECU L2 PL2RR JBBFE Junction Box 9227179

€28.95

Free delivery - Tue, Jan 13

If paid before 14:00

Part no. 9261599

BMW F20 F21 F22 Rear Bumper PDC Ultrasonic Sensor Estoril Blue 2

€23.95

Free delivery - Tue, Jan 13

If paid before 14:00

Part no. 9262752-1

BMW F20 F21 F22 Central Information Display Screen 6,5" Control Unit 9262752

€28.95

Free delivery - Tue, Jan 13

If paid before 14:00

Part no. 5A18364

BMW F40 Heater Air Conditioning System Control Unit Module ECU 5A18364

€42.95

Free delivery - Tue, Jan 13

If paid before 14:00

Part no. 8514120

Preheating Control BMW F20 F21 F30 F31 LCI B47 Glow Plug Unit Diesel 8514120

€23.95

Free delivery - Tue, Jan 13

If paid before 14:00

Part no. 9166542

BMW E92 HDD Navigation Reader System Module Unit ZB CE3 Navi JAPAN 9166542

€47.95

Free delivery - Tue, Jan 13

If paid before 14:00

Part no. 9322532

Gateway Module BMW F01 F10 F11 F12 Central Body Control 9244262

€23.95

Free delivery - Tue, Jan 13

If paid before 14:00

Part no. 7579155-1

Starter Motor BMW X5 E70 LCI X6 E71 Z4 E89 N20 N55 Petrol Engine 7579155

€32.95

Free delivery - Tue, Jan 13

If paid before 14:00

Part no. 9188377

BMW F01 KaFAS Camera Front Windscreen Lane Departure Camera Module 9188377

€28.95

Free delivery - Tue, Jan 13

If paid before 14:00

Part no. 9124585

BMW 1 3 Series E87 E90 Front Rear PDC Ultrasonic Parking Sensor Sedonarot Red

€26.95

Free delivery - Tue, Jan 13

If paid before 14:00

Part no. 9238195

Fuse Box Grouping BMW F10 F11 F12 Fuse Placement Map Card Diagram 9238195

€23.95

Free delivery - Tue, Jan 13

If paid before 14:00

Part no. 9225831

BMW F07 Left N/S Central Bass Loud Speaker Stereo System Unit 9164581

€23.95

Free delivery - Tue, Jan 13

If paid before 14:00

Part no. 9264973-1

BMW X5 E70 Seat Control Unit Module ECU 9264973

€47.95

Free delivery - Tue, Jan 13

If paid before 14:00

Part no. 1438941

BMW X5 E53 Ground Cable Alternator Petrol 1438941

€23.95

Free delivery - Tue, Jan 13

If paid before 14:00

Part no. 9267419

BMW E90 LCI Body Control Module H1 61359267419 9267419

€28.95

Free delivery - Tue, Jan 13

If paid before 14:00

Part no. 8512292-2

BMW E90 E91 LCI N47N 316d 116HP Engine ECU Kit DDE 8510832 + CAS3 + Key Manual

€146.95

Free delivery - Tue, Jan 13

If paid before 14:00

Part no. 9380322

BMW F01 F02 F03 F10 F11 F13 Central Gateway Control Lear Module Unit ECU 9380322

€47.95

Free delivery - Tue, Jan 13

If paid before 14:00

Part no. 9210120

BMW F07 GT Door Wiring Loom Cable Harness 9210120

€23.95

Free delivery - Tue, Jan 13

If paid before 14:00

Part no. 6856980

BMW F01 F10 F11 F30 F31 AHK Towing Hitch Tow Bar Control Module Unit ECU 6856980

€113.95

Free delivery - Tue, Jan 13

If paid before 14:00

Part no. 6857124

Crash Module BMW F01 F02 LCI F10 F11 F13 ICM Control Unit ECU 6857124

€23.95

Free delivery - Tue, Jan 13

If paid before 14:00

Part no. 9322900

BMW F20 F21 F22 F30 F31 Negative Minus Pole IBS Battery Lead Cable 9322900

€23.95

Free delivery - Tue, Jan 13

If paid before 14:00

Part no. 6963651

Alarm Module BMW E81 E84 E87 E90 Ultra Sonic System Sensor 6963651

€23.95

Free delivery - Tue, Jan 13

If paid before 14:00

Part no. 7678321

BMW X4 F26 Harness Wiring Cable Loom 7678321 767832-113

€23.95

Free delivery - Tue, Jan 13

If paid before 14:00

Part no. 9474776

KaFAS Camera BMW F10 F20 LCI F30 Mini F55 F56 Control Unit ECU Module 9474776

€32.95

Free delivery - Tue, Jan 13

If paid before 14:00

Part no. 9211840

BMW F01 Wiring Loom Cable Harness 9211840

€28.95

Free delivery - Tue, Jan 13

If paid before 14:00

Part no. 9286249

BMW 3 Series F30 F31 Rear Door Wiring Loom Cable Harness 9286249

€23.95

Free delivery - Tue, Jan 13

If paid before 14:00

Part no. 8506566-2

BMW E90 E91 LCI 320d ed N47N 163HP ECU DDE 8506566 Manual Transmition

€28.95

Free delivery - Tue, Jan 13

If paid before 14:00

Part no. 9178791

BMW F01 F02 F10 F11 Cable Wiring Set ARS Valve Block 9178791

€23.95

Free delivery - Tue, Jan 13

If paid before 14:00

Part no. 9167202

BMW E60 E61 LCI E63 E64 Body Gateway Module ECU Control Unit 9167202

€23.95

Free delivery - Tue, Jan 13

If paid before 14:00

Part no. 9210135

BMW F07 GT Rear Door Wiring Loom Cable Harness 9210135

€28.95

Free delivery - Tue, Jan 13

If paid before 14:00

Part no. 9356156

External Ignition Base BMW F20 F30 F32 F33 Power Terminal Distribution 9356156

€23.95

Free delivery - Tue, Jan 13

If paid before 14:00

Part no. 7276383

Fuel Pump Module BMW E60 E81 E87 E90 E91 LCI Control Unit ECU 7276383

€23.95

Free delivery - Tue, Jan 13

If paid before 14:00

Part no. 7569969

BMW X5 X6 E70 E71 Control Unit Module Transfer Box 7569969

€80.95

Free delivery - Tue, Jan 13

If paid before 14:00

Part no. 9216128

BMW 3 4 5 Series E92 F32 E61 LCPA Seat Belt Module ECU 9216128

€23.95

Free delivery - Tue, Jan 13

If paid before 14:00

Part no. 8719905

BMW X3 G01 X4 G02 Wireless Charger Centre Console Phone Module Unit 8719905

€47.95

Free delivery - Tue, Jan 13

If paid before 14:00

Part no. 6856747

BMW F10 F20 F30 Tow Bar Trailer Towing Control Module Unit AHM 4 6856747

€137.95

Free delivery - Tue, Jan 13

If paid before 14:00

Part no. 6851242

ICM Module BMW F01 F02 Integrated Chassis Management QL ES Control Unit 6851242

€28.95

Free delivery - Tue, Jan 13

If paid before 14:00

Part no. 6886185

ICM Module BMW F20 F21 F30 F31 Crash Control Unit Airbag ECU 6886185 0265020864

€23.95

Free delivery - Tue, Jan 13

If paid before 14:00

Part no. 7419610

BMW F30 F31 LCI Headlight LED Module Insert Light Source Set 7419610

€56.95

Free delivery - Tue, Jan 13

If paid before 14:00

Part no. 3404568

BMW X3 Series E83 2.5i 3.0i Engine Starter Motor Positive Battery Cable 3404568

€23.95

Free delivery - Tue, Jan 13

If paid before 14:00

Part no. 8373901

BMW 5 7 X5 E38 E39 E53 Steering Column Adjuster Switch Stalk 8373901

€23.95

Free delivery - Tue, Jan 13

If paid before 14:00

Part no. 8512499-2

BMW 1 3 Series E87 E90 LCI N47 116d 316d Diesel ECU Kit DDE 8512499 CAS 3 Key

€94.95

Free delivery - Tue, Jan 13

If paid before 14:00

Part no. 7583526-1

BMW X3 Series E83 2.5si N52N 218HP Engine ECU Kit DME + Key 7583526 Manual

€417.95

Free delivery - Tue, Jan 13

If paid before 14:00

Part no. 8582280-4

BMW F20 116d N47N 116HP Engine Control ECU DDE 8582280 Automatic Transmission

€56.95

Free delivery - Tue, Jan 13

If paid before 14:00

Part no. 6803169

Air Con Module BMW F20 F30 F31 Mini F55 F56 Air Conditioning A/C Unit 6803169

€23.95

Free delivery - Tue, Jan 13

If paid before 14:00

Part no. 6956672

BMW E63 E63N LCI Centre Console Switch Centre DTC PDC 6956672

€23.95

Free delivery - Tue, Jan 13

If paid before 14:00

Part no. 9145401

BMW 5 Series E60 E60N E61 E61N LCI Airbag ECU Control Unit Module

€23.95

Free delivery - Tue, Jan 13

If paid before 14:00

Part no. 8607569

BMW X5 F15 40eX N20 Hybrid Starter Motor Automatic Transmission 8607569

€170.95

Free delivery - Tue, Jan 13

If paid before 14:00

Part no. 6843898

BMW F20 F21 F22 F30 F31 F32 Body Control Module Unit FEM ECU LR01 6843898

€132.95

Free delivery - Tue, Jan 13

If paid before 14:00

Part no. 6932399

BMW X5 E53 Cable Loom Plug Socket Connector Wiring Harness 6932399 6932396

€23.95

Free delivery - Tue, Jan 13

If paid before 14:00

Part no. 9225830

BMW F07 Right O/S Central Bass Loud Speaker Stereo System Unit 9164582

€23.95

Free delivery - Tue, Jan 13

If paid before 14:00

Part no. 9261606

BMW 1 2 F20 F21 F22 Rear Bumper PDC Ultrasonic Sensor Mineralweiss White A96

€23.95

Free delivery - Tue, Jan 13

If paid before 14:00

Part no. 6935600

BMW E81 E82 E87 E90 E91 PDC Parking Ultrasonic Sensor Sonora Metallic 6935600

€23.95

Free delivery - Tue, Jan 13

If paid before 14:00

Part no. 9319918

Adapter Lead Wire BMW F45 F46 X1 F48 Cable Active Air Flap Control 9319918

€23.95

Free delivery - Tue, Jan 13

If paid before 14:00

Part no. 8635816

Engine Wiring BMW F20 F30 F31 LCI B38 Automatic Gearbox Loom Harness 8635816

€61.95

Free delivery - Tue, Jan 13

If paid before 14:00

Part no. 8626472-1

BMW F20 F21 M135i N55 326HP Petrol Engine Control Unit ECU DME 8626472 Automatic

€284.95

Free delivery - Tue, Jan 13

If paid before 14:00

Part no. 7520902

BMW 3 5 E60 E90 E92 Carrier Bracket Holder Engine Control Module Unit 7520902

€23.95

Free delivery - Tue, Jan 13

If paid before 14:00

Part no. 8678976

Engine Wiring Mini F56 BMW F40 Petrol B38C Valvetronic Servo Motor Harness

€37.95

Free delivery - Tue, Jan 13

If paid before 14:00

Part no. 3451585-2

BMW X3 E83 Instrument Panel Glass Speedo Clocks Cluster Glass Covering Panel

€23.95

Free delivery - Tue, Jan 13

If paid before 14:00

Part no. 9361116

BMW F10 LCI Body Control Module ECU Unit JBBFEIII V2 PL6 9361116

€89.95

Free delivery - Tue, Jan 13

If paid before 14:00

Part no. 8610635-3

BMW F20 F30 F31 120i 320i N20 184HP Engine Control Unit ECU DME 8610635 Manual

€237.95

Free delivery - Tue, Jan 13

If paid before 14:00

Part no. 8514291

Battery Cable BMW X3 F25 X4 F26 B47 Alternator Starter Base B Cable 8514291

€23.95

Free delivery - Tue, Jan 13

If paid before 14:00

Part no. 6926961-1

BMW E60 E61 X5 E70 X6 E71 F07 F10 F11 Seat Adjustment Switch Left N/S 6926961

€23.95

Free delivery - Tue, Jan 13

If paid before 14:00

Part no. 9261612

Ultrasonic Parking Sensor BMW F20 F21 F23 F87 PDC Black 9261612

€23.95

Free delivery - Tue, Jan 13

If paid before 14:00

Part no. 7075907

BMW Z4 E85 Left N/S Contact Bush 7075907

€23.95

Free delivery - Tue, Jan 13

If paid before 14:00

Part no. 6921309

BMW E65 E66 Centre Console Front Armrest Tray Cables Wiring Set 6921309

€23.95

Free delivery - Tue, Jan 13

If paid before 14:00

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Showing 298-396 of 5104 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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