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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Part no. 03C971612BR

Audi A1 8X 1.4 TSI Engine Wiring Loom Harnes 03C971612BR

€94.95

Free delivery - Tue, Nov 04

If paid before 14:00

Part no. 9381837

BMW X1 F48 Mini F55 F56 Air Module Control Unit ECU 9381837

€85.95

Free delivery - Tue, Nov 04

If paid before 14:00

Part no. A1769051600-1

Mercedes W176 Front Pressure Impact Crash Sensor Module With Hose A1769051600

€113.95

Free delivery - Tue, Nov 04

If paid before 14:00

Part no. 9247472-3

BMW E87 ECU Body Control Module Junction Box PL2RR H2 9247472

€23.95

Free delivery - Tue, Nov 04

If paid before 14:00

Part no. 5Q0971250Q

Audi A3 S3 8V Negative Battery Terminal Earth Cable Lead Wiring 5Q0971250Q

€23.95

Free delivery - Tue, Nov 04

If paid before 14:00

Part no. 9387626-1

MINI Cooper One F55 F56 Rain / Light / Solar HUD Sensor Windshield 9387626

€23.95

Free delivery - Tue, Nov 04

If paid before 14:00

Part no. 4H0959793R

Audi A8 D4 4H Front Door Control Module Unit ECU Driver's Side 4H0959793R

€23.95

Free delivery - Tue, Nov 04

If paid before 14:00

Part no. 8E5035223D

Audi A4 B7 Stereo Radio Sound Audio Amplifier Module Harman Becker 8E5035223D

€23.95

Free delivery - Tue, Nov 04

If paid before 14:00

Part no. A0035420219-3

Mercedes W639 W906 Relay 5-Pin Control Unit 12A Blue A0035420219

€23.95

Free delivery - Tue, Nov 04

If paid before 14:00

Part no. 9317119

BMW F01 F02 F04 F25 Amplifier Unit Top Hifi Audio 9317119

€336.95

Free delivery - Tue, Nov 04

If paid before 14:00

Part no. 1S0919275D-MRE

Audi A5 8T PDC Parking Distance Control Sensor 1S0919275D Misano Red Pearl - Z3M

€23.95

Free delivery - Tue, Nov 04

If paid before 14:00

Part no. 9382418

BMW F45 X1 F48 G30 Telematics Module Bluetooth Telephone Control Unit 9382418

€28.95

Free delivery - Tue, Nov 04

If paid before 14:00

Part no. 80A962243

Audi Q7 4M Rear Hatch Boot Lid Tailgate Opening Control Module Unit 80A962243

€70.95

Free delivery - Tue, Nov 04

If paid before 14:00

Part no. 4M0971104CB

Audi Q7 4M Rear Bumper PDC Parking Sensor Wiring Harness Loom 4M0971104CB

€37.95

Free delivery - Tue, Nov 04

If paid before 14:00

Part no. 8K0971104Q

Audi A5 8T Rear Bumper PDC Parking Sensor Wiring Harness Loom 8K0971104Q

€23.95

Free delivery - Tue, Nov 04

If paid before 14:00

Part no. 8T0971365J

Audi A5 8T Seat Cable Front Wiring Loom Harness Left Right N/O/S 8T0971365J

€23.95

Free delivery - Tue, Nov 04

If paid before 14:00

Part no. 3C0907651

Volkswagen VW Golf Mk6 1K Acceleration Sensor 3C0907651

€23.95

Free delivery - Tue, Nov 04

If paid before 14:00

Part no. 5K0959655

Volkswagen VW Golf Mk6 1K Air Module Control Unit ECU 5K0959655

€23.95

Free delivery - Tue, Nov 04

If paid before 14:00

Part no. 5M0035724

Volkswagen VW Golf Mk6 1K Aux Socket Port Switch 5M0035724

€23.95

Free delivery - Tue, Nov 04

If paid before 14:00

Part no. 6926472

BMW E65 E66 E67 Phone Transmitter Receiver Module ECU SIEMENS 6926472

€23.95

Free delivery - Tue, Nov 04

If paid before 14:00

Part no. 8691838-1

Mini F54 F55 F57 B48 136HP Petrol Engine Control ECU Kit DME 8674258 Manual

€284.95

Free delivery - Tue, Nov 04

If paid before 14:00

Part no. E92-PDC-WIRING-LOOM-HARNESS-REAR-BUMPER-1

BMW E92 LCI PDC Wiring Loom Harness Rear Bumper

€23.95

Free delivery - Tue, Nov 04

If paid before 14:00

Part no. 9810737980

Citroen Relay 35 L Fuel Pump Carrier Bracket Holder Housing 9810737980

€28.95

Free delivery - Tue, Nov 04

If paid before 14:00

Part no. A1644400837

Mercedes W164 Parking Sensor Wiring Loom Cable Harness Front PDC A1644400837

€80.95

Free delivery - Tue, Nov 04

If paid before 14:00

Part no. A2129069900

Player Audio Mercedes C207 W212 Head Unit CD Media Radio Controller A2129069900

€56.95

Free delivery - Tue, Nov 04

If paid before 14:00

Part no. 420919275-PHB1

Audi A5 8T Parking Distance PDC Rear Ultra Sonic Sensor Phantom Black - Z9Y

€23.95

Free delivery - Tue, Nov 04

If paid before 14:00

Part no. A0035420219-2

Mercedes W639 W906 Relay 5-Pin Control Unit 12A Blue SET X2 A0035420219

€23.95

Free delivery - Tue, Nov 04

If paid before 14:00

Part no. 04E971612BD

Audi A1 8X 1.4 TFSI CZCA Engine Wiring Harness Loom Manual Gearbox 04E971612BD

€113.95

Free delivery - Tue, Nov 04

If paid before 14:00

Part no. 6R0915181E

Audi A1 8X Battery Cable Loom Harness Wiring Negative Terminal 6R0915181E

€23.95

Free delivery - Tue, Nov 04

If paid before 14:00

Part no. 03F906070GN-2

Audi A1 8X 1.2 TFSI CBZA 86HP Engine Control ECU Kit 03F906070GN Manual

€189.95

Free delivery - Tue, Nov 04

If paid before 14:00

Part no. 9366920

Mini F55 F56 PDC Parking Distance Sensor Module Control Unit ECU 9366920

€23.95

Free delivery - Tue, Nov 04

If paid before 14:00

Part no. 8678967

Mini Cooper R56 Petrol Engine Installation Wiring Loom Harness 8678967

€47.95

Free delivery - Tue, Nov 04

If paid before 14:00

Part no. 4752820

Positive Cable BMW F20 F21 Under Bonnet Battery Wiring Loom 4752820

€32.95

Free delivery - Tue, Nov 04

If paid before 14:00

Part no. 4M0959595N

Audi Q7 4M Rear Door Control Module Unit ECU Left Right N/O/S 4M0959595N

€32.95

Free delivery - Tue, Nov 04

If paid before 14:00

Part no. 8K0971104F

Audi A4 B8 Rear Wiring Loom PDC Harness Parking Sensor 8K0971104F

€28.95

Free delivery - Tue, Nov 04

If paid before 14:00

Part no. 9270495-1

BMW X5 E70 X6 E71 F10 F11 F12 Parking Sensor PDC Ultrasonic Black 9251944 SET X4

€32.95

Free delivery - Tue, Nov 04

If paid before 14:00

Part no. 8N8035223A

Audi TT 8N Amplifier BOSE Premium Audio Sound System Module 8N8035223A

€28.95

Free delivery - Tue, Nov 04

If paid before 14:00

Part no. 09G927750CA

Audi TT 8N Automatic Gearbox Module Control Unit ECU 09G927750CA

€142.95

Free delivery - Tue, Nov 04

If paid before 14:00

Part no. 6857208

Parking Distance Assistant BMW 20 F21 F30 F31 F36 Control Unit Module 6857208

€42.95

Free delivery - Tue, Nov 04

If paid before 14:00

Part no. 7545150-1

BMW X5 E53 3.0i M54 231HP ECU Engine Kit DME 7545150 Automatic Key EWS

€165.95

Free delivery - Tue, Nov 04

If paid before 14:00

Part no. 9364636

Body Domain Controller Mini F54 F55 F56 F60 ECU BDC Control Unit Module 9364636

€165.95

Free delivery - Tue, Nov 04

If paid before 14:00

Part no. A0035421619-1

Mercedes W177 Relay 052 Fuse Box Relay Slot B D E 70A Tyco SET X2 A0035421619

€23.95

Free delivery - Tue, Nov 04

If paid before 14:00

Part no. A0035421019-1

Mercedes C117 GLA X156 ML W166 W176 W246 Relay 5 Pins Yellow Set A0035421019

€23.95

Free delivery - Tue, Nov 04

If paid before 14:00

Part no. 6956750

BMW E87 Control Unit PDC Parking Sensor Module Nautikblau Blue - A21 6956750

€23.95

Free delivery - Tue, Nov 04

If paid before 14:00

Part no. A6394460132

Mercedes Vito Viano W639 Side Sliding Door Control Unit Module A6394460132

€284.95

Free delivery - Tue, Nov 04

If paid before 14:00

Part no. 8518569-5

BMW F20 F21 F30 F31 N47N 118d 318d 143HP Engine Control ECU DDE 8518569 Manual

€80.95

Free delivery - Tue, Nov 04

If paid before 14:00

Part no. A2479002513

Telematic Control Module Mercedes W447 W907 W910 Telematics Unit A2479002513

€113.95

Free delivery - Tue, Nov 04

If paid before 14:00

Part no. A2129009605

Fuse Box Mercedes W204 W212 Diesel Front Sam Control Module Unit A2129009605

€37.95

Free delivery - Tue, Nov 04

If paid before 14:00

Part no. 8P0035192SX

Audi A3 S3 8P Radio Media GPS Sat Audi Navigation Plus Unit 8P0035192QX

€237.95

Free delivery - Tue, Nov 04

If paid before 14:00

Part no. A6421509478-3

Mercedes W164 ML320 OM642.940 224 HP 4Matic Engine ECU Kit A6421509478 Automatic

€279.95

Free delivery - Tue, Nov 04

If paid before 14:00

Part no. 03G903016EX

Audi A4 B8 2.0 TDI Alternator Generator 03G903016EX

€66.95

Free delivery - Tue, Nov 04

If paid before 14:00

Part no. A2205404208

Mercedes W220 Rear PDC Parking Sensor Wiring Loom A2205404208

€28.95

Free delivery - Tue, Nov 04

If paid before 14:00

Part no. 04E907309AC-1

Audi A1 8X 1.4 TFSI CZCA 125HP Engine ECU Kit BCM Lock + Key 04E907309AC Manual

€161.95

Free delivery - Tue, Nov 04

If paid before 14:00

Part no. 9824601180-1

Citroen Relay III 2.2 DW12RUD Engine Module ECU Kit Ignition + Key 9824601180

€503.95

Free delivery - Tue, Nov 04

If paid before 14:00

Part no. 7357564830

Citroen Relay 35 L Steering Column Cluster Wiper Switch Stalk Control 7357564830

€222.95

Free delivery - Tue, Nov 04

If paid before 14:00

Part no. 46859297

Citroen Relay III Air Module Sensor Control Unit ECU 12V 46859297

€165.95

Free delivery - Tue, Nov 04

If paid before 14:00

Part no. 4G8959793J

Audi A6 C7 Door Module Control Unit ECU Front Left N/S 4G8959793J

€23.95

Free delivery - Tue, Nov 04

If paid before 14:00

Part no. 6800903-2

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

€32.95

Free delivery - Tue, Nov 04

If paid before 14:00

Part no. 3413934-2

BMW X3 E83 Rear Bumper Wiring Loom PDC Harness 1452049

€23.95

Free delivery - Tue, Nov 04

If paid before 14:00

Part no. 8E0909518AQ-1

Audi A4 B7 1.8T BZB 163HP Engine Control Unit Module ECU Set 8E0909518AQ

€189.95

Free delivery - Tue, Nov 04

If paid before 14:00

Part no. 8K2971228G

Audi A5 8T 1.8 TFSI Starter Alternator Harness Wiring Cable 8K2971228G

€70.95

Free delivery - Tue, Nov 04

If paid before 14:00

Part no. 9285505

Distribution Junction BMW X5 X6 F15 F16 Power Battery Control Unit 9285505

€23.95

Free delivery - Tue, Nov 04

If paid before 14:00

Part no. 9390835

Sound Amplifier BMW X5 F15 X6 F16 Active Harman Becker Design 9390835

€37.95

Free delivery - Tue, Nov 04

If paid before 14:00

Part no. 8J0057186JX

Audi TT 8J Radio Head Unit CD Audio Player Control Unit 8J0035186J

€42.95

Free delivery - Tue, Nov 04

If paid before 14:00

Part no. 9242670

DVD Changer BMW F01 F10 F11 F12 F20 F30 Disc Changer Control Unit 9259800

€189.95

Free delivery - Tue, Nov 04

If paid before 14:00

Part no. A2218207502

Mercedes W221 Front Centre Dashboard Speaker Logic 7 A2218207502

€32.95

Free delivery - Tue, Nov 04

If paid before 14:00

Part no. 8R0907468T

Audi Q5 8R Gateway Module Control Unit ECU 8R0907468T 8R0907468C

€23.95

Free delivery - Tue, Nov 04

If paid before 14:00

Part no. 5Q0919283B

PDC Module Audi A3 8V Seat Leon Skoda Octavia Parking Control Unit 5Q0919283B

€32.95

Free delivery - Tue, Nov 04

If paid before 14:00

Part no. 03G906056S

Audi A3 8P 1.9 TDI BLS 105HP Engine Control Module Unit ECU 03G906056S Manual

€56.95

Free delivery - Tue, Nov 04

If paid before 14:00

Part no. 8K0907551-1

Audi S4 B8 3.0 TFSI 333HP CAKA Quattro Engine ECU Kit 8K0907551 Automatic

€246.95

Free delivery - Tue, Nov 04

If paid before 14:00

Part no. 8V0907159

Audi A3 RS3 8V Impact Sound Actuator Body Control Unit Module ECU 8V0907159

€23.95

Free delivery - Tue, Nov 04

If paid before 14:00

Part no. 8V0035020H

Audi A3 8V MMI Multimedia CD Player Head Unit Infotainment 8V0035020H

€436.95

Free delivery - Tue, Nov 04

If paid before 14:00

Part no. 8582279-7

BMW F30 F32 320d Engine Module Control Unit ECU DDE ed 420d N47N 163HP 8582279

€37.95

Free delivery - Tue, Nov 04

If paid before 14:00

Part no. 8582279-8

BMW F30 F32 F34 GT 320d 420d N47N 184HP Engine Module Unit ECU DDE 8582279

€51.95

Free delivery - Tue, Nov 04

If paid before 14:00

Part no. 1J0971235S

Audi TT 8N HV Battery Negative Earth Terminal Harness Wiring Cable 1J0971235S

€23.95

Free delivery - Tue, Nov 04

If paid before 14:00

Part no. 8380118

BMW E46 Amplifier Holder Audio Catch Bracket Mount Trim 8380118

€23.95

Free delivery - Tue, Nov 04

If paid before 14:00

Part no. 8574091-6

BMW F10 F11 520d N47N 184HP Engine ECU Kit Unit DDE 8574091 CAS4 + Key Manual

€170.95

Free delivery - Tue, Nov 04

If paid before 14:00

Part no. 4H0919604H-1

Audi A8L 4H Navigation Dashboard Display Hud Screen 4H0919604H

€165.95

Free delivery - Tue, Nov 04

If paid before 14:00

Part no. 9366407

BMW F20 F21 F30 F31 F32 Body Comfort Module FEM ECU LR01 Control Unit 9366407

€161.95

Free delivery - Tue, Nov 04

If paid before 14:00

Part no. A1645400750

Mercedes ML W164 Battery Fuse Box Power Distribution A1645400750

€23.95

Free delivery - Tue, Nov 04

If paid before 14:00

Part no. 6935597-TS1

BMW E81 E87 Front Rear Parking Sensor PDC Titansilber Silver 354 6935597

€23.95

Free delivery - Tue, Nov 04

If paid before 14:00

Part no. 8507902

Engine Wiring BMW F20 F21 F22 F30 F31 F34 F32 F33 F36 Harness Loom 8507902

€66.95

Free delivery - Tue, Nov 04

If paid before 14:00

Part no. 3419515

BMW E83 LCI Valvetronic Starter Cable Wire Loom 3419515

€23.95

Free delivery - Tue, Nov 04

If paid before 14:00

Part no. 4H0971142C

Audi A8 D4 Door Card Wiring Loom Cable Harness Rear Right O/S 4H0971142C

€23.95

Free delivery - Tue, Nov 04

If paid before 14:00

Part no. A2115400008

ABS Sensor Mercedes W211 C219 Front Brake Wiring Harness Right O/S A2115400006

€28.95

Free delivery - Tue, Nov 04

If paid before 14:00

Part no. A2118705726

Air Module Mercedes W211 C219 Air System Control Unit ECU A2118705726

€23.95

Free delivery - Tue, Nov 04

If paid before 14:00

Part no. 9294309-1

BMW X3 F25 X4 F26 Dashboard Monitor Onboard Central Display Screen 6,5" 9294309

€142.95

Free delivery - Tue, Nov 04

If paid before 14:00

Part no. A2048700185

Mercedes W204 Bluetooth Control Unit Module Media Interface ECU A2048700185

€99.95

Free delivery - Tue, Nov 04

If paid before 14:00

Part no. A2218705087

Mercedes W221 Seat Memory Control Unit Module Front Right O/S A2218705087

€23.95

Free delivery - Tue, Nov 04

If paid before 14:00

Part no. 1J0906381B

Audi TT 8N Fuse Box Relay Control Unit Module 1J0906381B

€23.95

Free delivery - Tue, Nov 04

If paid before 14:00

Part no. A2218703086

Mercedes W221 Seat Module Front Right O/S Memory Control Unit A2218703086

€37.95

Free delivery - Tue, Nov 04

If paid before 14:00

Part no. 9270020

BMW F06 F12 F13 Front Wiring Loom PDC Harness Parking Sensor 9270020

€89.95

Free delivery - Tue, Nov 04

If paid before 14:00

Part no. 059903019H

Audi A8 D4 Alternator Generator Electrical Unit 3.0 TDI Diesel Engine 059903019H

€113.95

Free delivery - Tue, Nov 04

If paid before 14:00

Part no. 8693361-2

BMW F87 LCI M2 370HP N55 Engine Control Module Unit ECU DME 8693361 Automatic

€422.95

Free delivery - Tue, Nov 04

If paid before 14:00

Part no. 03L906022DH

Audi TT 8J 2.0 TDI 170HP CBBB Quattro Engine Module Unit ECU 03L906022DH Manual

€85.95

Free delivery - Tue, Nov 04

If paid before 14:00

Part no. 8J0035223E

Audi TT 8J Coupe Roadster Ultrasonic Sound Control Module ECU Unit 8J0035223E

€42.95

Free delivery - Tue, Nov 04

If paid before 14:00

Part no. A6421509478

Mercedes ML W164 OM642 Diesel Engine Control Unit Module ECU A6421509478

€189.95

Free delivery - Tue, Nov 04

If paid before 14:00

Part no. 02M911023P

Audi Volkswagen Seat Skoda 2.0 TDI Diesel Starter Motor Engine Bosch 02M911023P

€28.95

Free delivery - Tue, Nov 04

If paid before 14:00

Part no. 8J0951177

Audi TT 8J Interior Roof Alarm Motion Ultrasonic Sensor 8J0951177

€23.95

Free delivery - Tue, Nov 04

If paid before 14:00

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Showing 298-396 of 11259 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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