Automotive electrical systems
More informationAt 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. A2115456532
SAM Module Mercedes W211 C219 Front Body Comfort Control Unit ECU A2115456532
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Fuse Box Mercedes W204 Rear SAM Relay Fuse Box Control Module A2049000902
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BMW F10 F11 520d Diesel N47N 184HP Engine ECU Kit DDE 8513242 CAS4 Key
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Fuse Box Mercedes W205 W213 C238 Relay Module Control Unit A2135403038
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Mini Cooper R50 R53 Rear Battery Hold Down Strap Retaining Bracket 6917738
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Mini Cooper S R55 R56 LCI N18 Wiring Loom Harness Engine Automatic Gearbox
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Mini Cooper S R55 R56 Ignition Wiring Harness Injection Valve N14 7585950
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Vauxhall Corsa D 1.3 CDTI Engine Starter Motor 55217672
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BMW E60 E61 E90 E91 LCI Display Screen 8.8" Monitor Sat Nav 9211969
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BMW 1 2 Series F20 F21 F30 Brake Disc Protection Plate Front Right O/S 6873418
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Battery Cable Volkswagen VW Golf Mk6 VI Positive Plus Pole Lead 3C0971228K
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Nissan Qashqai Diesel Engine Starter Motor Actuator Starter 23300JG70A
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Volkswagen Polo Mk5 6R 1.2 CGPB Engine Wiring Harness Cable 03E971612AN
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BMW 1 3 E87 E90 E91 E92 M47N2 M57N2 Alternator Bosch Diesel 150A 0 986 080 580
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BMW Z4 E85 Front Door Wiring Loom Cable Right O/S Harness 6948048
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Alternator Generator Mini R56 Petrol Engine Motor Bosch 150A 7553009 DRA0214
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Volkswagen Golf Mk7 5G Headlight Ballast Module Left Right N/O/S 7P5941572A
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Audi RS4 B8 Starter Motor Petrol Engine Electrical Unit Actuator 079911021G
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Alternator Generator BMW F10 F11 F20 F21 F30 F31 N55 Denso 14V 210A 7616119
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Part no. A2219006404-1
Mercedes W221 Door Module Front Right O/S Control Unit ECU A2219006404
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Audi A6 C6 Hifi Audio Sound Speakers Amplifier Control Unit ECU 4F0910223C
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BMW E46 318i M43 118HP Engine Unit ECU Kit DME 1430940 EWS3 Key Manual
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BMW F30 F31 F80 M3 F82 M4 Positive Battery Cable Plus Pole 9259425
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Radio Head Unit Mercedes W176 Media Player Navigation Unit A2469002318
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Engine Wiring BMW F20 F30 N47S1 EU5 Loom Module Harness Cable 8507915
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Battery Cable VW Polo 6R Audi A1 8X Starter Alternator Wiring 6C0971349MD
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High Voltage Inverter BMW i3 I01 Hybrid 120Ah Rex Electrical Machine 8488548
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BMW 3 Series E87 LCI Footwell Light Module ECU Control Unit LED XE FRM 9204536
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Alternator Generator Mercedes Sprinter W906 Engine Diesel 180A 14V A0009068802
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Wiring Loom Mini Cooper F55 F56 Harness Injection Valve Ignition 8625072
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BMW E87 E90 E91 118d 318d M47N2 122HP Engine ECU KIT DDE 7798179 CAS2 + Key
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Mercedes SLK R171 Door Module Front Right Control Unit ECU A1718207226
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BMW 3 Series E46 Radio Business Cassette Player 6928762
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BMW E87 LCI E90 E91 N47 DDE 7811701 Engine Control Unit Diesel ECU Automatic
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Energy Distributor Mercedes W204 W212 W906 Power Block Control Unit A0055461040
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Part no. 6948054
BMW Z4 E85 Front Door Wiring Loom Cable Harness Left N/S 6948054
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BMW X5 X6 Series E70 E71 Transfer Box Control Unit Module ECU 7605031
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BMW F20 F30 LCI Diesel B37 B47 ECU DDE Engine Control Unit 8598759 Automatic
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Audi A4 B8 Bose Audio AMP Amplifier Module Control Unit ECU 8T0035223AD
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Mini Countryman R60 Fuse Distribution Box PL3 SPEG H7 DC/DC 9809590
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BMW E60 LCI 530xd X5 E70 3.0xd M57N2 235HP Engine ECU Kit DDE 8509035 CAS3 + Key
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BMW F20 F30 F31 118d 318d N47N 143HP Engine Unit ECU DDE Kit 8582280 FEM + Key
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Engine Wiring Mercedes Vito W447 OM651 Engine Harness Cable A4474404705
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Mercedes W202 W210 Automatic Gearbox EGS Control Unit Module ECU A0275450132
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BMW F11 Touring Rear Axle Air Suspension Control Unit ECU Module 6799677
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CD Changer Audi S6 C6 A8 D3 6-Disc Magazine Head Unit MMI 4E0910110A
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BMW E81 E87 E90 E91 E92 LCi Parking Control Module Unit PDC 6947795
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Mercedes W205 Air Module ICM SRS Control Unit ECU A2059009527
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Head Unit Mercedes W212 Radio Navi CD Player For Parts Not Working A2129005212
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Part no. A1669055901
Mercedes C292 Negative Cable Battery Terminal Sensor A1669055901
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MINI Cooper S R52 R53 Automatic Gearbox Basic Control Unit Module EGS 7570253
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VW Volkswagen Sharan 7N Passenger's Side Door ECU Module Control Unit 7N0959792F
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BMW 7 Series E65 E66 TV Function Video Module Control Unit Tuner 6933867
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BMW 3 5 X5 Series E39 E46 E53 BMW Radio Professional TMC Becker 6934649
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Display Screen BMW E60 E61 E90 LCI 8.8" Monitor Sat Nav 9193745
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BMW F40 MINI F56 F57 F60 Control Unit Box Cover Trim Bracket 8581370
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Reversing Camera Module BMW F10 F20 F30 Rear View Unit 9393953
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BMW E60 E61 E65 X5 E70 X6 E71 Control Unit Xenon Light 5DV 009 000-00
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Mercedes W221 Rear Door Module Control Unit Left N/S ECU A0038207326
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IBS Cable BMW E93 Negative Battery Lead Wiring Harness Control Unit 7587465
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Audi A5 8T 2.0 TDI CAHA 170HP Engine Control Module ECU 03L906022RM Manual
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Mercedes GLC X253 Camera Lane Assist Control ECU Module Unit A2479008615
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Yaw Sensor Mercedes W210 W220 ESP Rotation Rate Control Unit Module A0015429018
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Volkswagen Golf MK 7 Audi A3 8V 1.4 Alternator Petrol 04C903023K
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Audi A3 8P Front Seat Occupation Sensor Left Right N/O/S 8P4963553A
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Air Suspension Module BMW X5 F15 F85 X6 F16 F86 Regulation Control Unit 6860387
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Mercedes W907 Positive Battery Terminal Cover Cap Trim Red A9069820109
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Mercedes W639 120CDI OM642.990 Engine Control Unit ECU Kit A6421501500 Key Lock
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Audio Amplifier BMW F20 F21 LCI Mini F56 Top Hifi Harman Kardon Unit 6836346
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Mercedes W166 W221 Auxiliary Additional Generator Battery A0049820008
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Part no. A1669002307
Mercedes ML W166 PDC Parking Distance Control Unit Module Sensor A1669002307
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Part no. A6399003200
Mercedes Vito W639 Door Module Front Right O/S Control Unit ECU A6399003200
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Part no. 8512291-2
BMW 3 Series E90 E91 LCI N47N 320d 184HP ECU KIT DDE CAS 3 Key 8512291 Manual
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Mercedes W205 S205 W447 Seat Module Front Memory Control Unit A2059004607
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Mini Convertible Cabrio R52 Amplifier Speakers Audio Hifi Harman Kardon 6959011
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BMW 3 Series E90 ECU Body Control Module H1 PL2 JBBFE Junction Box 6971958
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Audi A6 C6 Bluetooth Multimedia Interface Control Module Unit ECU 4E0910336MX
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Volkswagen Touran 1T Air Module Control Unit ECU Module 1T0909605E
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Mini Cooper D R55 R56 LCI R60 N47N Engine ECU Kit DDE 8516739 CAS3 Key Manual
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Volkswagen Golf Mk7 GTI 2.0 TFSI CHHA 230HP Engine Control Unit ECU 04L907309B
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Mercedes-Benz Vito Viano W639 Alternator Generator Diesel 200A A0131541002
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BMW F20 F21 F30 F31 Rear Electronic Module Fuse Box Control Unit V1 REM 9293305
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Mercedes W205 Door Module Front Left N/S Control Unit ECU A2059001311
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Alternator Mercedes W203 Diesel OM648 OM646 Engine ALternator 200A A0131540002
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Audi A4 B7 4.2 BBK Petrol Engine Alternator Generator 079903021E
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BMW F30 F33 Rear PDC Sensors Wiring Loom Cable 2295873
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Audi A4 B7 Front Door Wiring Harness Loom Cable Left N/S 8E1971035DJ
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Mercedes GLE C292 Coupe Front Bumper Wiring Harness A1665405515
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Mini Cooper S R52 R53 W11 170HP Engine ECU Kit DME 7557395 EWS Key Manual
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Volkswagen VW Golf 1K Mk5 Fuse Box Engine Compartment Relay Unit 1K0937124K
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BMW Z4 Series E89 Convertible Positive Battery Cable Wiring Lead 9189850
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Volkswagen Sharan 7N Fuse Box Module Comfort BCM Control Unit ECU 5K0937084J
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Module Land Rover Freelander 2 ECU Front Door Window Control Unit 6G9T-14B533-KL
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BMW E46 M3 Z4 E85 M3.2 Engine Starter Motor Valeo 7834214
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Fuse Box Audi A1 Seat Ibiza Control Module Relay Box 6C0907361E
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BMW E60 E61 E63 E64 PDC Parking Control Module Unit ECU 9116264
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Part no. 3456588-2
Mini R60 Countryman Footwell Light Module High EKS ECU PL3 FRM3R Lear 3456588
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Part no. 7616120
Alternator BMW F20 F21 F30 F31 F36 Petrol N55 Generator 210A 7616120
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Chrysler Grand Voyager 2.8 CRD ENR Engine Water Inlet Hose Tube Line 5066883AB
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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 .