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. 8E0907279N
Audi A4 B7 Body Control Module BCM Comfort Control Unit Power Supply 8E0907279N
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Audi A4 B7 Audio Radio Aerial Amplifier Control Unit Harman Becker 8E9035223D
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BMW 3 4 Series F30 F31 F32 Control Unit Top Rear Side View Camera 9302258
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Ford Fiesta MK7 Body Control Module BCM Control Unit ECU 8V5115K600EG
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BMW X5 E53 X3 E83 Four Wheel Drive Transfer Box Control Unit Module 7550891
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Rain Sensor Ford Fiesta MK7 Mondeo MK4 Windscreen Light Module 8A6T17D547AB
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BMW E46 Coupe Convertible Front Door Cable Harness Driver's Side Wiring 6903094
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ECU Kit BMW F20 F21 114d Diesel N47N 95HP DDE 8573260 + Key + FEM + Lock Manual
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Citroen Berlingo Peugeot Partner CD Player Radio Stereo Head Unit 98053736XT00
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BMW X3 E83 X5 E53 E38 E39 E46 EWS 3 Central Lock Immobilizer Module ECU 8382453
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Mercedes W176 Body Control Module BCM Control Unit ECU A1569005303
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Mercedes Vito W639 OM646 Diesel Engine Wiring Cable Loom Harness A6395407735
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BMW E60 LCI E90 M57N2 325d 525d 197HP ECU Kit DME CAS3 + Key 7809941 Automatic
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Engine Wiring Mercedes W204 W212 M271 Petrol Harness Loom Cable A2711504233
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Mercedes Sprinter W906 OM646 Diesel Engine Wiring Harness Loom Cable A6461504233
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Display Screen Citroen Berlingo Peugeot Partner Dashboard Monitor 9803399680
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Audi A4 B7 Door Card Speaker Harness Loom Cable Wiring Rear 8E0971693P
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Ford Fiesta MK7 1.6 TDCI Starter Motor Engine Diesel 8V2111000AD
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Audi A4 B7 Front Door Wiring Harness Loom Cable Left N/S 8E1971035DJ
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Mercedes Vito Viano W639 Side Sliding Door Control Unit Module A6394460332
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Mercedes W164 W204 Fuel Pump Module Control Unit ECU Petrol A2215401601
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BMW F10 F12 F13 M5 M6 S63N 560HP ECU Control Unit Module DDE 7633959 Twin-Clutch
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Mercedes Vito W639 PDC Parking Distance Control Unit Module ECU A6394460446
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Mercedes Vito W639 PDC Parking Distance Control Unit Module ECU A6395450232
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Mercedes Vito W639 Automatic Gearbox EGS Control Unit Module ECU A0015455716
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Starter Motor Citroen Berlingo Peugeot Partner Engine Diesel 1.6 HDI TS14E110
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BMW E81 E87 LCI E90 E92 120d 320d N47 ECU Control Unit DDE Module 8506438
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BMW E81 E87 E90 E92 LCI 120d 320d N47 ECU Control Unit Module DDE 8506438 Manual
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BMW E88 Convertible Aerial Base Roof Antenna 9127687
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Audi A3 Starter Motor Engine Diesel 02E911023H
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Alternator Generator Mercedes W207 W212 W906 Engine Diesel 200A 14V LRA03818
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Audi A4 B7 Starter Motor Engine Diesel Bosch 0001125053
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Alternator Generator Mercedes Vito W639 Sprinter W906 Engine Diesel A6461540102
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BMW X5 E70 Alternator Generator Engine Unit Valeo 220A 14V 7801124
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Mercedes W906 Positive Battery Cable Wiring Loom Harness A9064408234
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Citroen C4 Peugeot 3008 Starter Motor Engine Diesel 9663528880
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BMW E46 Convertible Rollover Sensor Control Unit Module 8385223
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Mercedes Sprinter W906 Diesel Starter Motor Engine Valeo A0061517401
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Mercedes W203 W204 M271 Engine Alternator Generator Valeo 120A 14V A2711541402
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BMW E46 Wing Mirror Memory Control Unit Module ECU 8386427
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Battery Cover Citroen Berlingo Peugeot Partner Tray Holder Housing 9663615380
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BMW 3 4 Series F30 F80 M3 F82 M4 Battery Cable Lead Positive Underfloor 9348763
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Fuse Box Cover Citroen Berlingo Peugeot Partner Housing Lid Trim 9658418180
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Yaw Sensor Citroen Berlingo Peugeot Partner ESP Rotation Rate Unit 9666173080
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Citroen Berlingo Peugeot Partner Body Control Module BSI Unit 967847688001
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Fuse Box Citroen Berlingo Peugeot Partner BSM Module Control Unit 9807028880
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Citroen Berlingo 1.6 HDI 9H06 Engine Control Unit ECU EDC 98078859 Manual
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BMW E81 E87 E90 LCI Top Hifi System Amplifier Logic 7 L7 Harman Becker 9218086
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Airbag Module Citroen Berlingo Peugeot Partner Air Bag Control Unit 9803916880
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PDC Module Citroen Berlingo Peugeot Partner Parking Distance Unit 9663821680
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Part no. 9273188
BMW E81 E87 E90 LCI Professional Navigation Car Radio Player CIC 9273188
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Seat Module BMW E46 E64 Front Seat Control Unit Memory 7019255
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Radar Sensor Mercedes W176 W207 W246 Front Control Unit Module A0009052804
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Mercedes-Benz A B W169 W245 Front Left Door N/S Control Unit Module A1699000100
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Positive Cable Mercedes W906 OM651 Battery Starter Alternator Plus A9064409913
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Ford Transit Fuse Relay Box Housing Covering Panel Cover Trim 6C1T14A076E
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Ford Transit Airbag Module Air Bag Control Unit ECU 6C1T14B056
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Rain Sensor Peugeot 3008 5008 Citroen C5 Windscreen Light Unit 9674436980
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Peugeot 3008 Yaw Sensor ESP Rotation Rate Acceleration Control Unit 9664661580
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Peugeot 3008 PDC Module Parking Distance Control Unit ECU 9666663780
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Mercedes W209 Convertible Air Module SRS Control Unit ECU A2098200085
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Mini Cooper R58 High PL3 SPEG H8 Fuse Distribution Box Control Unit 3456859
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Mercedes-Benz C-Class W203 Fuse Box Control Unit Module SAM A2035452901
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BMW 5 Series E60 M-Audio System Controller Navigation Head Unit 6942637
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Part no. A1698202185
Mercedes-Benz A-Class W169 Airbag System Control Unit Module ECU A1698202185
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Mercedes-Benz C CLK W203 C209 Sam Control Module Fuse Box Rear A2035453201
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Mercedes W176 Front Crash Impact Air Module Sensor Unit A1769051000
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Part no. A0035422519
Mercedes-Benz A B Class W169 W245 Battery Relay Module Unit A0035422519
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Mercedes-Benz A C W169 W204 Battery Negative Earth Cable Wiring A2045421418
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Part no. A1699001600
Mercedes-Benz W169 W245 48V Technology SAM Control Module Fuse Box A1699001600
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Battery Relay Mercedes W211 CLS W219 Module Control Unit 12V A0025426419
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Part no. 8507136-3
BMW E90 E91 LCI 330d Diesel N57 245HP ECU Engine Kit DDE 8507136 CAS3 + Keys
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BMW E81 E87 LCI E90 120d 320d N47 177HP ECU KIT DDE 7811700 CAS3 Keys Automatic
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BMW F20 F21 F30 LCI 118d 318d B47 DDE Engine Control Unit ECU 8589145 Automatic
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Ford Transit Connect Engine Control Unit ECU 9TGH Module 1.8 TDCi 9T11-12A650-GH
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Part no. CC11-12A650-AB
Ford Transit Engine Control Unit ECU 4VFB Module 2.2 TDCi CC11-12A650-AB
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Mercedes W207 W212 Parktronic Parking Control Unit Module A0009003706
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Part no. 7553166-2
BMW E60 E90 330i 530i N52 258HP ECU Kit DME 7553166 + CAS2 + Key Automatic
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Mini Cooper F56 B38 1.5 136HP Petrol Engine ECU Kit DME 8655106 BDC + Key Manual
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Mercedes S204 Estate SAM Module Fuse Box Relay Control Unit A2129005812
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Ford Transit Connect ECU Control Unit Impact Sensor Module Airbag 9T1T-14B321-BE
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BMW F45 X1 F48 i3 I01 Airbag Module Control Unit ECU Air Bag 9495910
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Airbag Module BMW E46 X5 E53 Control Unit ECU Side Air Bag 6905491
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Ford Transit Connect Control Unit Central Door Locking Module ECU 9T1T-15K600-DD
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Mercedes W204 SAM Module Fuse Box Relay Control Unit A2045450169
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BMW E46 Radio Business Cassette Player Audio Control Head Unit 6902659
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Radio Head Unit Ford Transit Connect 6000 CD Media Player Unit AT1T-18C815-BA
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PDC Module Mercedes W176 W246 Parking Assist Distance Control Unit A0009006713
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Alternator Generator BMW E60 E63 E65 E83 LCI E90 Diesel 170A LRA02319
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Mercedes CLC CL203 Trunk Lid Tailgate Left N/S Wiring Cable Harness A2035406609
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Part no. 6921521-1
Mini Cooper One R50 R53 Navigation Screen Display Instrument Cluster 6921521
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Mercedes W203 Front SAM Control Unit Module Fuse Box A2035454101
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Part no. A1669004102
Mercedes W176 W246 Door Front Left N/S Control Unit Module ECU A1669004102
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Part no. 7002532
BMW E46 E64 Driver Side Seat Wiring Loom Electric Harness 7002532
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Part no. 7789376
BMW 3 5 X5 Series E46 E39 E53 M57 3.0d DDE 7789376 Engine Control Unit Module
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Part no. A1718203926
Mercedes A B Class W169 W245 Rain Light Sensor Control Unit Module A1718203926
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Mercedes-Benz C CLK Class W203 C209 ESP Yaw Rotation Rate Sensor A0045420418
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Mercedes C209 Door Control Module Front Left N/S A2098201926
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BMW F30 LCI G11 G30 High Voltage Battery Charging Unit Module 6819838
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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 .