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. 9380885

BMW 1 3 4 F20 F30 F32 Control Unit Air Conditioning A/C Module 9380885

€23.95

Free delivery - Tue, Nov 25

If paid before 14:00

Part no. 9311850

BMW 1 3 Series F20 F21 F30 F31 Control Unit Air Conditioning A/C Module 9311850

€23.95

Free delivery - Tue, Nov 25

If paid before 14:00

Part no. 9181455

BMW X1 Series E84 Antenna Aerial Noise Suppression Filter 9181455

€23.95

Free delivery - Tue, Nov 25

If paid before 14:00

Part no. 7120204

BMW E93 Cable Wiring Loom Harness Hydraulic Pump 7120204 7191362

€32.95

Free delivery - Tue, Nov 25

If paid before 14:00

Part no. 9165624

BMW E93 Air Module Control Unit Module ECU 9165624

€23.95

Free delivery - Tue, Nov 25

If paid before 14:00

Part no. 8572129

BMW 2 3 Series F22 F30 Diesel N47N Wiring Loom Harness Engine Module 8507896

€42.95

Free delivery - Tue, Nov 25

If paid before 14:00

Part no. 8574102

BMW F20 F21 F30 F31 F32 Starter Motor Engine Actuator N47N Diesel 8574102

€23.95

Free delivery - Tue, Nov 25

If paid before 14:00

Part no. 9231091

Bluetooth Control BMW E60 E87 E90 Telematics Unit Module 9231091

€23.95

Free delivery - Tue, Nov 25

If paid before 14:00

Part no. 7589971-1

Mini One R55 R56 N12 1.4 95HP ECU Engine Control Unit DME 7589971

€94.95

Free delivery - Tue, Nov 25

If paid before 14:00

Part no. 6927548

BMW Z4 E85 Drive For Window Lifter Motor Front Right O/S 6927548 9116626

€28.95

Free delivery - Tue, Nov 25

If paid before 14:00

Part no. 9362848

BMW 1 3 Series F20 F21 F30 F31 Bluetooth Teleservices GPS Telematics Module

€28.95

Free delivery - Tue, Nov 25

If paid before 14:00

Part no. 9347470

BMW 1 3 Series F20 F21 F30 Control Unit Controller Touch 9347470

€28.95

Free delivery - Tue, Nov 25

If paid before 14:00

Part no. 8385159

BMW 3 X3 Series E46 E83 Battery Cable Holder Mounting B Base 8385159

€23.95

Free delivery - Tue, Nov 25

If paid before 14:00

Part no. 6964142

BMW 7 Series E65 E66 E67 Control Unit Door Rear Driver-Side 6933266

€23.95

Free delivery - Tue, Nov 25

If paid before 14:00

Part no. 6936996

BMW E65 Light Control Unit Headlight Module Lear LM E6X MAN. LWR 6936996

€28.95

Free delivery - Tue, Nov 25

If paid before 14:00

Part no. 6952914

Wiring Loom BMW E65 E66 Cables Rear Bumper PDC 6952914

€23.95

Free delivery - Tue, Nov 25

If paid before 14:00

Part no. 7640508-2

BMW 1 3 4 Series F20 F21 F30 F31 F32 F33 Cooling Fan Control Unit Radiator

€32.95

Free delivery - Tue, Nov 25

If paid before 14:00

Part no. 9154413

BMW E93 Convertible GPS Aerial Antenna Unit Module 9154413

€23.95

Free delivery - Tue, Nov 25

If paid before 14:00

Part no. 7648190-1

Mini Cooper S R56 LCI N18 1.6 184HP ECU Kit DME + CAS3 + Key 7648190 Manual

€626.95

Free delivery - Tue, Nov 25

If paid before 14:00

Part no. 8506438-1

BMW E81 E87 LCI E90 E91 120d 320d N47 177HP ECU KIT DDE 8506438 CAS 3 Key

€189.95

Free delivery - Tue, Nov 25

If paid before 14:00

Part no. 6929950

BMW 5 Series E60 E61 E63 E64 LCI CD Changer Magazine 6929950

€28.95

Free delivery - Tue, Nov 25

If paid before 14:00

Part no. 6949450

BMW 5 Series E60 E61 Centre Console DSC PDC Switch Center Cluster 6949450

€23.95

Free delivery - Tue, Nov 25

If paid before 14:00

Part no. 6921415

BMW E46 E89 Mini R50 R52 Parking Control Module Unit PDC 6921415

€23.95

Free delivery - Tue, Nov 25

If paid before 14:00

Part no. 6945072

BMW E90 E91 E92 Bracket CD Changer Holder Amplifier Mounting 6945072

€23.95

Free delivery - Tue, Nov 25

If paid before 14:00

Part no. 9193745

BMW 3 5 E60 E61 E90 LCI Display Screen 8.8" Monitor Sat Nav 9193745

€94.95

Free delivery - Tue, Nov 25

If paid before 14:00

Part no. 9185536

BMW E90 E91 E92 Professional CCC Navigation System Controller 9185536

Product currently unavailable

Part no. 6943085

BMW E60 E61 Air Module ECU Control Unit Gateway Module 6943085

€23.95

Free delivery - Tue, Nov 25

If paid before 14:00

Part no. 8376443

BMW X3 X5 Z4 E46 E53 E83 E85 Switch Cluster Steering Column 8376443

€23.95

Free delivery - Tue, Nov 25

If paid before 14:00

Part no. 9259466

BMW 1 3 4 Series F20 F21 F30 F31 F32 Power Distribution Fuse Box Rear

€23.95

Free delivery - Tue, Nov 25

If paid before 14:00

Part no. 2753025

Mini Cooper R55 R56 R57 R58 Wiring Heated Seat Loom 2753025

€23.95

Free delivery - Tue, Nov 25

If paid before 14:00

Part no. 6962531

Mini Cooper R50 R52 R53 Air Module Control Unit Module ECU 6962531

€23.95

Free delivery - Tue, Nov 25

If paid before 14:00

Part no. 6955475

BMW Mini Cooper R50 R52 Aerial Antenna Amplifier Diversity Module 6955475

€23.95

Free delivery - Tue, Nov 25

If paid before 14:00

Part no. 3451528

BMW X3 E83 LCI Light Module Control Unit ECU Lights LM II LWR 3451528

€123.95

Free delivery - Tue, Nov 25

If paid before 14:00

Part no. 9139868

BMW X3 E83 LCI X5 E70 LCI PDC Parking Ultrasonic Sensor Schwarz Black 9139868

€23.95

Free delivery - Tue, Nov 25

If paid before 14:00

Part no. 9204532

BMW E91 LCI ECU LED NSW Light Module Control Unit PL2 FRM II 9204532

€28.95

Free delivery - Tue, Nov 25

If paid before 14:00

Part no. 3456588-1

Mini R57 LCI Footwell Light Module Unit High EKS ECU PL3 FRM3R Lear 3456588

€180.95

Free delivery - Tue, Nov 25

If paid before 14:00

Part no. 7599881-12

BMW E81 E87 LCI Petrol N43 116i 2.0 122HP ECU Kit 7599881 DME CAS3 Key Manual

€161.95

Free delivery - Tue, Nov 25

If paid before 14:00

Part no. 3456397

MINI Cooper R58 R59 Aerial Antenna Amplifier Module Rod 3456397

€66.95

Free delivery - Tue, Nov 25

If paid before 14:00

Part no. 8267406

Headrest Adjustment BMW E46 E64 Front Right O/S Seat Actuator 8267406

€23.95

Free delivery - Tue, Nov 25

If paid before 14:00

Part no. 6912817

BMW E46 Z4 E85 E86 Antenna Amplifier Diversity 6912817

€23.95

Free delivery - Tue, Nov 25

If paid before 14:00

Part no. 9226333

BMW E93 ECU Body Control Module H3 Junction Box PL2RR JBBFE IIIR 9226333

€80.95

Free delivery - Tue, Nov 25

If paid before 14:00

Part no. 9167397

Mini Cooper R57 R58 R59 Hands Free Telephone Microphone 9167397

€23.95

Free delivery - Tue, Nov 25

If paid before 14:00

Part no. 9111165-PB

BMW E81 E82 E87 E88 E90 E91 Ultrasonic Sensor PDC Platinbronze A53 9111165

€23.95

Free delivery - Tue, Nov 25

If paid before 14:00

Part no. 6927572

BMW X3 E83 Z4 E85 Wiring Seat Occupancy Cable 6927572

€23.95

Free delivery - Tue, Nov 25

If paid before 14:00

Part no. 6914396

Mini Cooper R50 R52 R53 Support Bracket Navigation Computer 6914396

€23.95

Free delivery - Tue, Nov 25

If paid before 14:00

Part no. 7515253

Mini Cooper One R50 R52 R53 R55 R56 R57 R58 R59 R60 R61 Earth Ground Cable

€23.95

Free delivery - Tue, Nov 25

If paid before 14:00

Part no. 3455305

Mini R57 R57N R58 R59 DWA-Alarm System Relay ECU 3455305 65753455305

€23.95

Free delivery - Tue, Nov 25

If paid before 14:00

Part no. 9128602

Cables Wiring BMW E81 E87 LCI Front Bumper PDC Loom Set 9128602

€32.95

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

€23.95

Free delivery - Tue, Nov 25

If paid before 14:00

Part no. 9153966

BMW E93 ECU Body Control Module H1 PL2 JBBFE 61359153966 9153966

€32.95

Free delivery - Tue, Nov 25

If paid before 14:00

Part no. 7621178-1

BMW E81 E87 LCI E90 N43 118i 318i ECU Kit DME CAS3 Key 7621178 Manual

€189.95

Free delivery - Tue, Nov 25

If paid before 14:00

Part no. 7616200

Battery Cable BMW E90 E91 E92 E93 Wiring Negative Minus Pole IBS 7616200

€23.95

Free delivery - Tue, Nov 25

If paid before 14:00

Part no. 9144846

Mini Cooper R57 Cabrio Convertible Wiring Loom Harness Rear Trunk Lid 9144846

€23.95

Free delivery - Tue, Nov 25

If paid before 14:00

Part no. 3454818

Mini Cooper R57 R57N LCI Cabrio Convertible Top Module Roof 3454818

€23.95

Free delivery - Tue, Nov 25

If paid before 14:00

Part no. 7218339

Control Unit BMW E60 E61 E81 E87 E90 Fuel Pump ECU 7218339

€23.95

Free delivery - Tue, Nov 25

If paid before 14:00

Part no. 8512499

Engine Control Unit BMW E81 E87 E90 E91 LCI N47 Diesel ECU DDE 8512499

€42.95

Free delivery - Tue, Nov 25

If paid before 14:00

Part no. 8517727-3

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

€146.95

Free delivery - Tue, Nov 25

If paid before 14:00

Part no. 9177978

BMW E92 ECU Body Control Module Junction Box L1 PL2 JBBFE 9177978

€23.95

Free delivery - Tue, Nov 25

If paid before 14:00

Part no. 9151979

BMW E60 E90 Dashboard Dash Onboard Monitor Display Screen 8.8" CCC

€56.95

Free delivery - Tue, Nov 25

If paid before 14:00

Part no. 9187536

BMW 3 Series E90N E90 LCI ECU Body Control Module H1 61359187536 9187536

€28.95

Free delivery - Tue, Nov 25

If paid before 14:00

Part no. 7794908

Preheater System Lead BMW E87 E90 E91 Diesel 7794908

€23.95

Free delivery - Tue, Nov 25

If paid before 14:00

Part no. 9116255

BMW 5 Series E60 E61 Touring Light Module Control Unit ECU LM MAN.LWR 9116255

€23.95

Free delivery - Tue, Nov 25

If paid before 14:00

Part no. 9224872

BMW 1 2 3 4 Series F20 F21 F30 F80 Cover Power Distribution Fuse Box 9224872

€23.95

Free delivery - Tue, Nov 25

If paid before 14:00

Part no. 7557395-16

MINI Cooper R50 R52 W10 1.6 Petrol Engine Control Unit ECU DME 7557395 Automatic

€32.95

Free delivery - Tue, Nov 25

If paid before 14:00

Part no. 7547141

BMW E82 E84 E87N E88 E90 E91 E92 E93 E93 E-box fan 7547141

€23.95

Free delivery - Tue, Nov 25

If paid before 14:00

Part no. 9133083

BMW E81 E87 E90 E91 E92 E93 6-disc CD Changer With Magazine 9133083

€47.95

Free delivery - Tue, Nov 25

If paid before 14:00

Part no. 2753721

Mini R55 R56 Electric Window Lifter Actuator Motor Door Left N/S 2753721

€23.95

Free delivery - Tue, Nov 25

If paid before 14:00

Part no. 9177981

BMW E90 ECU Body Control Module H1 PL2 JBBFE2 9177981

€23.95

Free delivery - Tue, Nov 25

If paid before 14:00

Part no. 7543297

BMW 5 6 Series E60 E61 E63 E64 N52 Cable Alternator Starter Base B

€23.95

Free delivery - Tue, Nov 25

If paid before 14:00

Part no. 8385164-2

BMW 7 Series 2 E65 E66 Battery B Engine Compartment Terminal Point 8385164

€23.95

Free delivery - Tue, Nov 25

If paid before 14:00

Part no. 9141446

BMW E93 Cabrio Convertible Hydraulic Pump Power Supply Cable 9141446

€23.95

Free delivery - Tue, Nov 25

If paid before 14:00

Part no. 7075946

BMW 5 7 Series E60 E61 E65 Front Seat Backrest Adjustment Drive Memory 7075946

€23.95

Free delivery - Tue, Nov 25

If paid before 14:00

Part no. 6960803

BMW E65 E66 E67 Control Unit Voice Input System Module 6960803

€23.95

Free delivery - Tue, Nov 25

If paid before 14:00

Part no. 6968835

BMW 1 Series E87 Footwell Control Module Body H2 61356968835 6968835

€32.95

Free delivery - Tue, Nov 25

If paid before 14:00

Part no. 9177979

BMW E81 Body Control Module ECU L2 PL2 JBBFE II Junction Box 9177979

€23.95

Free delivery - Tue, Nov 25

If paid before 14:00

Part no. 6921593

MINI Cooper One R50 R53 Wave Radio Cassette Headunit Tape Player 6921593

€23.95

Free delivery - Tue, Nov 25

If paid before 14:00

Part no. 1709317

BMW X5 E53 E60 E61 E63 E64 Petrol Engine Ping Knock Sensor 1709317

€23.95

Free delivery - Tue, Nov 25

If paid before 14:00

Part no. 8377654

BMW X5 E53 AmplifIer Trap Circuit Antenna Booster Diversity 8377654

€23.95

Free delivery - Tue, Nov 25

If paid before 14:00

Part no. 6911003

BMW 1 3 X1 X3 X5 X6 SERIES E81 E82 E84 E87 E88 E90 Accelerating Sensor 6911003

€23.95

Free delivery - Tue, Nov 25

If paid before 14:00

Part no. 9145115

BMW X5 Series E70 Power Distribution Fuse Box Front 9145115 6931690

€28.95

Free delivery - Tue, Nov 25

If paid before 14:00

Part no. 7796892

BMW E60 E61 X3 E83 X5 E70 X6 E71 Starter Motor Diesel 7796892

€23.95

Free delivery - Tue, Nov 25

If paid before 14:00

Part no. 7356250

BMW E92 LCI Coupe Mini R56 R57 Xenon Headlight Ballast Headlamp Control 7356250

€23.95

Free delivery - Tue, Nov 25

If paid before 14:00

Part no. 6923270

MINI Cooper One R50 R53 Control Unit For Radio Remote Control 433MHZ 6923270

€51.95

Free delivery - Tue, Nov 25

If paid before 14:00

Part no. 6938504

Battery Cable BMW E90 E91 E92 E93 Positive Lead Battery Wiring Harness 6938504

€23.95

Free delivery - Tue, Nov 25

If paid before 14:00

Part no. 6940623

BMW 1 3 Series E81 E82 E84 E87 E90 E91 PDC Parking Ultrasonic Sensor Quartz Blue

€23.95

Free delivery - Tue, Nov 25

If paid before 14:00

Part no. 6945898

Seat Occupancy Sensor BMW E87 E90 E91 E92 Co Driver Mat Cable 6945898

€23.95

Free delivery - Tue, Nov 25

If paid before 14:00

Part no. 8377488

BMW E46 E39 E53 E83 E85 Switch Unit Steering Column 8377488

€23.95

Free delivery - Tue, Nov 25

If paid before 14:00

Part no. 1742690

BMW E60 E63 E87 E90 Relay Changer Make Contact Salmon Red 1742690

€23.95

Free delivery - Tue, Nov 25

If paid before 14:00

Part no. 6940236

BMW E90 E91 E92 LCI AUX USB Lead Cable Wire 6940236

€23.95

Free delivery - Tue, Nov 25

If paid before 14:00

Part no. 6954007

BMW E60 E61 E63 E64 E65 PDC Parking Control Module Unit ECU 6978232

€113.95

Free delivery - Tue, Nov 25

If paid before 14:00

Part no. 6981416

BMW E87 E90 E91 CAS 2 Control Unit ECU Key Reading Module 6981416

€28.95

Free delivery - Tue, Nov 25

If paid before 14:00

Part no. 1388911

BMW E36 E38 E21 E85 R52 R57 Change-Over Contact Relay Violet 1388911

€23.95

Free delivery - Tue, Nov 25

If paid before 14:00

Part no. 7537365

Cable Wire BMW E60 E61 E81 E87 E90 Tubing For Clamp 7537365

€23.95

Free delivery - Tue, Nov 25

If paid before 14:00

Part no. 7567776

Starter Cable BMW E81 X1 E84 E87 E90 N52 Alternator Battery Wire B 7567776

€23.95

Free delivery - Tue, Nov 25

If paid before 14:00

Part no. 6950131

BMW X3 E83 Z4 E85 Front Rear Door Mid-range Audio Loudspeaker 6950131

€23.95

Free delivery - Tue, Nov 25

If paid before 14:00

Part no. 6982386

BMW X1 E81 E84 E87 E90 E91 Parking Control Module Unit PDC 6982386

€56.95

Free delivery - Tue, Nov 25

If paid before 14:00

Part no. 9152262

BMW X5 E70 X6 E71 Front Crash Impact Sensor Module 9152262

€23.95

Free delivery - Tue, Nov 25

If paid before 14:00

Part no. 9226326

BMW E81 Body Control Module Control Unit L2 PL2RR JBBFE III ECU 9226326

€23.95

Free delivery - Tue, Nov 25

If paid before 14:00

Part no. 7837273

BMW 1 3 Series E81 E87 E90 E91 PDC Parking Ultrasonic Sensor Le Mans Blau Blue

€23.95

Free delivery - Tue, Nov 25

If paid before 14:00

...

Showing 5050-5148 of 11791 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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