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. A2034450000

Mercedes Vito W639 Gateway Control Unit Module A2034450000

€28.95

Free delivery - Tue, Nov 25

If paid before 14:00

Part no. A2385452700

Mercedes C238 Rear Control Unit Module Bracket Holder Trim Panel A2385452700

€23.95

Free delivery - Tue, Nov 25

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Part no. A1729003406

Mercedes SLK R172 Roadster Soft Top Folding Roof Control Module A1729003406

€80.95

Free delivery - Tue, Nov 25

If paid before 14:00

Part no. A2319058100

Mercedes SLK R172 Roadster Antenna Amplifier Control Module A2/71 A2319058100

€23.95

Free delivery - Tue, Nov 25

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Part no. 7253188-2

BMW E92 Seat Covering Panel Sports Left Right Thigh Support Cover Black Leather

€23.95

Free delivery - Tue, Nov 25

If paid before 14:00

Part no. A2059006330

Mercedes W205 SAM Module Front Body Comfort Control Unit ECU A2059006330

€23.95

Free delivery - Tue, Nov 25

If paid before 14:00

Part no. A2118705189

Sound Amplifier Mercedes W204 W211 W212 C219 Audio Harman Becker AMP A2118705189

€42.95

Free delivery - Tue, Nov 25

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Part no. 3457434-1

Mini Cooper One R55 R56 R57 LCI R60 Radio Boost CD Player Head Unit 3457434

€237.95

Free delivery - Tue, Nov 25

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Part no. A1729017601

Mercedes SLK R172 Front Air Module SRS Control Unit ECU A1729017601

€37.95

Free delivery - Tue, Nov 25

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Part no. A1729058300

Mercedes SLK R172 Pedestrian Protection Impact Crash Sensor Module A1729058300

€32.95

Free delivery - Tue, Nov 25

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, Nov 25

If paid before 14:00

Part no. A2518204426

Mercedes V251 W164 Front Lamp Headlight Control Module Unit HELLA A2518204426

€28.95

Free delivery - Tue, Nov 25

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Part no. 9225831

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

€23.95

Free delivery - Tue, Nov 25

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Part no. 8512047-7

BMW E90 E91 LCI N47N 320d 163HP ECU Module KIT DDE 8512047 Automatic

€180.95

Free delivery - Tue, Nov 25

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Part no. A2515400524

Mercedes W251 Fuse Relay Electrical Box Housing Cover A2515400524

€28.95

Free delivery - Tue, Nov 25

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Part no. 6796503

BMW F07 GT ICM Integrated Module Chassis Management QL ES Control Unit 6796503

€28.95

Free delivery - Tue, Nov 25

If paid before 14:00

Part no. A2518703390

Mercedes W251 Rear Passengers Entertainment Control Unit A2518703390

€70.95

Free delivery - Tue, Nov 25

If paid before 14:00

Part no. A2048207485

Mercedes W204 Front Door Control Unit Module Right O/S A2048207485

€23.95

Free delivery - Tue, Nov 25

If paid before 14:00

Part no. 8200881264

Alternator Support Nissan Qashqai Renault 2.0 dCi Engine Bracket 8200881264

€23.95

Free delivery - Tue, Nov 25

If paid before 14:00

Part no. A6461503272

Mercedes W211 E220 CDI 646.821 170HP Engine Unit ECU Kit A6461503272 Key Lock

€170.95

Free delivery - Tue, Nov 25

If paid before 14:00

Part no. 8576333-1

BMW F10 F11 520d X3 F25 20dX N47N 184HP ECU Kit DDE 8576333 Key CAS4 Automatic

€218.95

Free delivery - Tue, Nov 25

If paid before 14:00

Part no. 8654466-1

BMW F45 225i 231HP B48 Engine ECU Kit Unit DME 8654466 BDC Key Automatic

€664.95

Free delivery - Tue, Nov 25

If paid before 14:00

Part no. 7601305

BMW F10 F11 LCI F13 N63 N63N Petrol Water Pump Adapter Lead Cable Wiring 7601305

€23.95

Free delivery - Tue, Nov 25

If paid before 14:00

Part no. A0365457032

Mercedes C209 W211 CLS C219 Steering Wheel Module Control Unit A0365457032

€23.95

Free delivery - Tue, Nov 25

If paid before 14:00

Part no. 9153418-2

BMW F10 F11 B Plus Distributor Box Front Battery Cable Unit 9153418

€23.95

Free delivery - Tue, Nov 25

If paid before 14:00

Part no. A2198200326

Door Module Mercedes C219 Rear Door Right O/S Control Module A2198200326

€23.95

Free delivery - Tue, Nov 25

If paid before 14:00

Part no. 7811176

Wiring BMW X3 F25 Automatic Gearbox Module Engine Wiring Harness 7811176

€113.95

Free delivery - Tue, Nov 25

If paid before 14:00

Part no. 9199996

Holder BMW F13 TV Video Switch Control Module Unit Bracket Mount 9199996

€23.95

Free delivery - Tue, Nov 25

If paid before 14:00

Part no. A0009051600

Mercedes W207 W212 W221 Front Windscreen Windshield Camera A0009051600

€23.95

Free delivery - Tue, Nov 25

If paid before 14:00

Part no. 8476016

Battery Cable BMW X3 G01 X4 G02 Diesel Alternator Starter Positive Cable 8476016

€37.95

Free delivery - Tue, Nov 25

If paid before 14:00

Part no. A2059008304

Mercedes W205 SAM Module Rear Body Comfort Control Unit ECU A2059008304

€23.95

Free delivery - Tue, Nov 25

If paid before 14:00

Part no. A0009063701

Mercedes W205 Alternator 14V/200A Valeo Diesel Engine M626 A0009063701

€161.95

Free delivery - Tue, Nov 25

If paid before 14:00

Part no. 9266383

Display Screen BMW F12 F13 Central Information Monitor 10" Multimedia 9266383

€142.95

Free delivery - Tue, Nov 25

If paid before 14:00

Part no. A6269060100

Starter Mercedes W205 Diesel OM626 Engine Starter Motor Bosch A6269060100

€66.95

Free delivery - Tue, Nov 25

If paid before 14:00

Part no. 9267467

BMW F13 Body Control Module Electronic Junction Box JBBFE 3 PL6 V3 9267467

€80.95

Free delivery - Tue, Nov 25

If paid before 14:00

Part no. 9273630

BMW F13 Footwell Light Module Control Unit ECU FRM3 9273630

€32.95

Free delivery - Tue, Nov 25

If paid before 14:00

Part no. 8590102

Alternator Cable BMW 5 G30 G31 G12 B57 Battery Wiring Alternator B+ 8590102

€32.95

Free delivery - Tue, Nov 25

If paid before 14:00

Part no. A2059068501

Mercedes W205 Fuse Box Rear Relay Electrical Control Unit Box A2059068501

€23.95

Free delivery - Tue, Nov 25

If paid before 14:00

Part no. 6868251

Air Module BMW F01 F02 LCI F07 GT F10 F11 F13 ECU ICM Control Unit 6868251

€28.95

Free delivery - Tue, Nov 25

If paid before 14:00

Part no. 9247067

BMW X3 F25 Footwell Light Module Control Unit ECU FRM3 9247067

€99.95

Free delivery - Tue, Nov 25

If paid before 14:00

Part no. 9244261

Module BMW F10 Central Gateway Control Unit Module ZGW-01 High 9244261

€28.95

Free delivery - Tue, Nov 25

If paid before 14:00

Part no. A6269000000

Mercedes W205 C 200 d 626951 626.951 136HP Engine Unit ECU A6269000000 Automatic

€170.95

Free delivery - Tue, Nov 25

If paid before 14:00

Part no. 6C1T-14A120-AD

Ford Transit Mk7 Starter Motor Wiring Cable 2.2 TDCi 6C1T-14A120-AD

€23.95

Free delivery - Tue, Nov 25

If paid before 14:00

Part no. 7394466

BMW F10 F11 X5 F15 LCI F32 F33 Adblue Module Control Unit ECU SCR 7394466

€94.95

Free delivery - Tue, Nov 25

If paid before 14:00

Part no. A1679007012

Mercedes C118 W177 W247 Keyless Go Module ECU Entry Control Unit A1679007012

€56.95

Free delivery - Tue, Nov 25

If paid before 14:00

Part no. 9307421

Camera Control Unit BMW F20 F21 F30 F31 KaFAS 2 Camera Module ECU 9307421

€66.95

Free delivery - Tue, Nov 25

If paid before 14:00

Part no. A2059007218

Automatic Closing Motor Mercedes S205 Estate X253 Trunk Lid A2059007218

€47.95

Free delivery - Tue, Nov 25

If paid before 14:00

Part no. 6807634

BMW X5 F15 F20 F30 SRS Air Module Bag Control Unit Module ECU 6807634

€28.95

Free delivery - Tue, Nov 25

If paid before 14:00

Part no. 1722094

Battery Cable BMW E36 E46 M43 M57 Starter Alternator Wiring Harness 1722094

€28.95

Free delivery - Tue, Nov 25

If paid before 14:00

Part no. 7638322-2

Mini One R56 LCI N16 98HP Engine ECU Kit DME 7638322 + CAS3 + Key Automatic

€341.95

Free delivery - Tue, Nov 25

If paid before 14:00

Part no. A2055404913

Mercedes W205 Wiring Cable Harness Center Console Ambient Lightning A2055404913

€28.95

Free delivery - Tue, Nov 25

If paid before 14:00

Part no. A2229001408

Module Mercedes S205 Trunk Rear Tuner Digital Radio DAB Control Unit A2229001408

€32.95

Free delivery - Tue, Nov 25

If paid before 14:00

Part no. 93455416

Renault Trafic III Vauxhall Vivaro B Positive Battery Cable Lead Wire 93455416

€23.95

Free delivery - Tue, Nov 25

If paid before 14:00

Part no. A2229063701

Fuse Box Mercedes W205 W222 Electrical Relay Box Module Unit A2229063701

€28.95

Free delivery - Tue, Nov 25

If paid before 14:00

Part no. A2649000700-2

Mercedes W205 C 200 264915 264.915 184HP Engine ECU Module A2649000700 Automatic

€246.95

Free delivery - Tue, Nov 25

If paid before 14:00

Part no. 8517874-8

BMW F20 118d F30 318d N47N 143HP Engine ECU Kit DDE 8517874 + Key + FEM + Lock

€222.95

Free delivery - Tue, Nov 25

If paid before 14:00

Part no. 9227118

BMW F07 GT On Board Central Information Display Screen Monitor 10,25" 9227118

€66.95

Free delivery - Tue, Nov 25

If paid before 14:00

Part no. 9897879-4

Mini Cooper F55 F56 F60 B38C 1.5 136HP Engine Module ECU DME 9897879 Manual

€227.95

Free delivery - Tue, Nov 25

If paid before 14:00

Part no. A2059009643

Mercedes W205 Telematics Bluetooth Module Control Unit ECU A2059009643

€61.95

Free delivery - Tue, Nov 25

If paid before 14:00

Part no. 93457542

Radio Player Renault Trafic III Vauxhall Vivaro B Audio Head Unit 93457542

€227.95

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

€23.95

Free delivery - Tue, Nov 25

If paid before 14:00

Part no. 8509757-1

BMW F07 530d F01 730d N57 245HP Engine ECU Kit DDE 8509757 CAS4 Key Automatic

€237.95

Free delivery - Tue, Nov 25

If paid before 14:00

Part no. A2139003217

Gearbox Module Mercedes W177 W205 W213 Control Unit ECU Automatic A2139003217

€23.95

Free delivery - Tue, Nov 25

If paid before 14:00

Part no. A2056186100

Mercedes W205 W238 Rear Battery Holder Bracket Mount Strap Clamp A2056186100

€23.95

Free delivery - Tue, Nov 25

If paid before 14:00

Part no. A2056186000

Mercedes W205 W238 Rear Battery Holder Bracket Mount Strap Clamp A2056186000

€23.95

Free delivery - Tue, Nov 25

If paid before 14:00

Part no. A1679004211

Door Module Mercedes W205 W213 W910 Front Right O/S Control Unit ECU A1679004211

€94.95

Free delivery - Tue, Nov 25

If paid before 14:00

Part no. A1679004712

Bluetooth Module Mercedes W205 W213 W222 W238 Control Unit ECU A1679004712

€37.95

Free delivery - Tue, Nov 25

If paid before 14:00

Part no. A2139058001

Mercedes C238 W213 Trunk Lid Handsfree Switch Sensor A2139058001

€32.95

Free delivery - Tue, Nov 25

If paid before 14:00

Part no. 9873895

BMW F40 Crash Control Unit Air Module ECU Continental 9873895

€123.95

Free delivery - Tue, Nov 25

If paid before 14:00

Part no. 6837092

BMW G30 G12 Fuse Relay Box Rear Trunk Power Distribution B + Box Basis 6837092

€23.95

Free delivery - Tue, Nov 25

If paid before 14:00

Part no. A0009009209

Mercedes W205 C253 Diesel Adblue Module Control Unit ECU A0009009209

€23.95

Free delivery - Tue, Nov 25

If paid before 14:00

Part no. A0009006907

Mercedes W205 Tire Pressure Control Module A0009006907

€23.95

Free delivery - Tue, Nov 25

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Part no. A1725400433

Electric Wire Mercedes SLK R172 M271 Alternator Prefuse Box Wiring A1725400433

€28.95

Free delivery - Tue, Nov 25

If paid before 14:00

Part no. A2229063202-1

Fuse Box Mercedes W205 W222 Electrical Relay Box Module Unit A2229063202

€23.95

Free delivery - Tue, Nov 25

If paid before 14:00

Part no. A2229000905

Mercedes W205 PDC Park Assist Control Module Ecu A2229000905

€23.95

Free delivery - Tue, Nov 25

If paid before 14:00

Part no. A0009003505

Module Mercedes W205 Fuel Pump Control Module In Trunk Rear ECU A0009003505

€23.95

Free delivery - Tue, Nov 25

If paid before 14:00

Part no. A2059007521

Module Mercedes W205 Air Conditioning A/C System Control Module A2059007521

€23.95

Free delivery - Tue, Nov 25

If paid before 14:00

Part no. A2059006822

Module Mercedes W205 Relay Body Control Module Unit SAM BCM A2059006822

€28.95

Free delivery - Tue, Nov 25

If paid before 14:00

Part no. A2059004721

Door Module W205 Rear Right O/S Door Control Unit Module A2059004721

€28.95

Free delivery - Tue, Nov 25

If paid before 14:00

Part no. A2059003222

Door Module Mercedes W205 W253 Control Unit Module Front Right O/S A2059003222

€37.95

Free delivery - Tue, Nov 25

If paid before 14:00

Part no. A2059002922

Door Module Mercedes W205 W253 C253 Front Left N/S Control Unit ECU A2059002922

€32.95

Free delivery - Tue, Nov 25

If paid before 14:00

Part no. 9252549

BMW F12 Front Seat Control Unit Module Memory ECU 9252549

€66.95

Free delivery - Tue, Nov 25

If paid before 14:00

Part no. A2078200075

Antenna Mercedes W212 Keyless Go Comfort Access Antenna Module Unit A2078200075

€23.95

Free delivery - Tue, Nov 25

If paid before 14:00

Part no. 9188853

BMW X5 E70 X6 E71 Battery Earth Cable Ground - Pole Lead L= 490MM 9188853

€28.95

Free delivery - Tue, Nov 25

If paid before 14:00

Part no. A0005468502

Battery Cover Mercedes W205 W212 Battery Positive Pole Cover Red A0005468502

€23.95

Free delivery - Tue, Nov 25

If paid before 14:00

Part no. A2055407616

Wiring Mercedes W205 Electrical Cable Transmission To Body A2055407616

€23.95

Free delivery - Tue, Nov 25

If paid before 14:00

Part no. 9383182

BMW F20 F21 F22 F30 F31 F32 F36 Body Control Module Unit FEM LR01 9383182

€199.95

Free delivery - Tue, Nov 25

If paid before 14:00

Part no. 7644747

BMW F10 F11 F30 Petrol N20 ECU DME Engine Control Unit Module 7644747 Manual

€398.95

Free delivery - Tue, Nov 25

If paid before 14:00

Part no. 9318579

BMW F20 F21 F30 F31 Bluetooth Teleservices GPS Telematics Module 9318579

€47.95

Free delivery - Tue, Nov 25

If paid before 14:00

Part no. 9241974

Control Unit BMW F01 F02 F07 F10 F11 CAS4 Key Reading Module 9241974

€80.95

Free delivery - Tue, Nov 25

If paid before 14:00

Part no. 8513249

BMW X3 F25 20dX Diesel N47N 184HP Engine Module ECU DDE 8513249 Automatic

€85.95

Free delivery - Tue, Nov 25

If paid before 14:00

Part no. 6850424

BMW X3 F25 ICM Air Module Control Unit SRS ECU 6850424

€61.95

Free delivery - Tue, Nov 25

If paid before 14:00

Part no. 9186215-1

BMW E90 M-Audio Controller System Control Unit Module Navigation 9186215

€123.95

Free delivery - Tue, Nov 25

If paid before 14:00

Part no. A2229001414

Module Mercedes C205 Front Door Left N/S Control Module Unit A2229001414

€28.95

Free delivery - Tue, Nov 25

If paid before 14:00

Part no. 8574351-3

BMW X1 E84 18d 18dX Diesel N47N 143HP Engine Unit ECU DDE 8574351 Automatic

€66.95

Free delivery - Tue, Nov 25

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Part no. 9286953

BMW X3 F25 Central Gateway Module Control Unit Lear ZGW-02 4SK 9286953

€42.95

Free delivery - Tue, Nov 25

If paid before 14:00

Part no. 6858547

BMW X3 F25 ICM Control Unit Air Module SRS ECU 6858547

€47.95

Free delivery - Tue, Nov 25

If paid before 14:00

Part no. 9286156

BMW X3 F25 Footwell Light Module Control Unit ECU FRM3 9286156

€23.95

Free delivery - Tue, Nov 25

If paid before 14:00

Part no. A2469000516

Radio CD Player Mercedes W176 W246 COMAND Nav Sat Head Unit A2469000516

€113.95

Free delivery - Tue, Nov 25

If paid before 14:00

...

Showing 2179-2277 of 11789 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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