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. 9351679-1
BMW F10 F20 F22 F30 Navigation Sat Nav Head Unit High 9351679
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Seat Module Mercedes W167 W177 W247 Control Unit ECU A1679008812
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Navigation Head Unit BMW E60 E61 CCC CD Sat Nav Player System Controller 6981566
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BMW F20 F21 F30 F34 Diesel Engine Starter Motor 30327N
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Screen Kia Ceed MK1 ED Dashboard Information Dsiplay 95710-1H700
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Mercedes C238 Door Control Unit Module ECU Front Left N/S A1679008311
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IBS Cable BMW E93 Negative Battery Lead Wiring Harness Control Unit 7587465
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BMW E65 E66 Dashboard Control Display Screen 8,8" Control Unit 9130563
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Citroen C4 Picasso 1.6 HDI 9HT Engine Control Unit ECU EDC 9664843780 Manual
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Volkswagen T5 Rear Sliding Door Locking Lock Plate Catch Left N/S A6397601904
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BMW F20 F21 F30 PDC Front Ultrasonic Parking Sensor PDC Set x2 Imperial Blue-A89
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Mercedes W204 W176 W212 Tyre Pressure Monitor Control Unit Module A0009008402
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BMW X3 F25 Rear Bumper PDC Wiring Loom Parking Sensor Cable Harness 9315094
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Mini Cooper S R60 N18 Engine Control Unit Module DME 8621260 Manual
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Seat Ateca Mk3 Headlight Module Headlamp Ballast Left Right N/O/S 7P5941591AH
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Mini R50 R53 6-Disc CD Changer Multichanger Without Magazine 6983334
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Mini R50 R53 Body Control Unit Basic Module BCM BC1RD 6976988
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Mercedes W907 Front Axle Brake Wear Indicator Loom Wiring Harness A9075402705
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Part no. 8699949-1
BMW Mini Cooper F56 B38 1.5 136HP Petrol Engine ECU Kit DME 8699949 BDC + 2 Keys
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Mercedes W221 Fuse Box Control Unit SAM Module Relay A2215408745
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VARTA Silver Dynamic AGM Accumulator Battery 95Ah 850A 12V G14
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BMW Z4 Series E89 Roadster 18i N20 156HP ECU Kit DME CAS3 + Key 8631727 Manual
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Mini Cooper S R55 R56 Ignition Wiring Harness Injection Valve N14 7585950
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BMW F87 M2 N55 Engine Wiring Loom Harness Injection Valve Ignition 8073593
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ECS Electronics 12V Trailer Module Control Unit SP327ZZ 5F008V0101
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CD Changer Mercedes W203 W209 W220 6 Disc Player With Magazine A2208274642
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BMW 5 6 Series E60 E61 E63 E64 Motorola Telematics Module Control Unit 6948920
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Seat Ibiza Skoda Fabia Volkswagen Polo Mk5 6R 1.2 Petrol Alternator 03D903025J
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BMW 3 5 6 Series E60 E63 E90 E92 Crossover Frequency Unit Module Door 7838929
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Part no. A9064404941
Mercedes Sprinter W906 Wiring Harness Tailgate License Plate Lamp A9064404941
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Part no. 130831040900
Audi A5 8T Headlight Inner LED Inner Module Unit 6NHM0000 130831040900
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Part no. 8578945-5
BMW F20 F21 F30 118d 318d N47N 143HP Engine ECU DDE Kit 8578945 Key FEM Lock
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Part no. 3454352
Mini Cooper One R56 PL3 SPEG H4 Fuse Distribution Box Unit 3454352
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Vauxhall Opel Astra G Display Screen Multifunction Unit Dashboard 009133265
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Audi Q2 GA Front Parking Sensor Assist Control Module Arrow Grey Z7W 5Q0919275B
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Part no. 3C8035195G
VW Volkswagen Caddy C20 Radio Head Unit RNS DAB Media Player Unit 3C8035195G
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Part no. Varta Rac 74Ah Accumulator-1
VARTA RAC Accumulator Battery 74Ah 750A 12V RAC002
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Part no. 7501592
BMW E39 X5 E53 3.0i M54 Alternator Generator 90A 14V Valeo 7501592
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BMW F30 Fuel Pump Module Fuel Pump Control Unit ECU 8699235
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BMW 5 X5 Series E39 E53 Hands-free Bluetooth Charging Module ULF Unit 6915563
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Audi A7 4G8 Body Comfort Control Module Unit BCM V2 4H0907064GB
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BMW E60 Front Seat Control Unit Module ECU Right Temic 9148256
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Mitsubishi Shogun Front Fuse Box Relay Control Unit Module ECU MR587816
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Part no. 80A971687H
Audi Q5 FY Rear Door Wiring Harness Loom Cable Left Right N/O/S 80A971687H
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Volkswagen Golf Mk5 1.9 TDI 105HP BXE Engine ECU Kit 03G906021KH Ignition + Key
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Audi A3 8P Bose Audio AMP Amplifier Module Control Unit ECU 8P3035223A
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Body Control Module Audi A6 C7 A7 4G Comfort BCM Unit 4H0907064HN
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BMW F10 F30 F32 LCI 335dX 435dX 535dX N57Z 313HP Control Unit ECU DME 8586536
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Mini Cooper R56 ECU Footwell Light Module Unit AHL EKS PL3 FRM3R Lear 3456393
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BMW 5 Series E61 Touring Positive Battery Cable Lead Plus Pole 6989782 9127768
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Mini Cooper One R57 Footwell Light Module High ECU PL3 FRM II Lear 3450937
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Mercedes W169 A160CDI OM640 Engine Control ECU Kit A6401503234 Key Lock Manual
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BMW G20 G21 G01 G02 B47B B47D Engine Injector Module Wiring Harness 8590045
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Audi A5 8T A4 B8 2.0 TFSI Engine Alternator Generator 06H903017T
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BMW 1 3 Series E81 E87 LCI E90 E91 120d 320d N47 ECU KIT DDE CAS 3 Key 7811700
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Part no. 7545046-4
BMW E87 E90 116i 316i N45 116HP Petrol ECU Kit DME 7545046 CAS 2 + Key Manual
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BMW F20 F30 F32 120d 320d 420d N47N 184HP ECU Kit DDE 8517862 + Key + FEM Manual
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BMW Z4 E89 HiFi Audio System Amplifier Holder Catch Bracket
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Ford Transit Connect PDC Parking Aid Warning Control Module Unit AT1T-15T850-AA
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Part no. 8584279-1
BMW F22 F30 F31 218d 318d Diesel N47N 143HP Engine ECU Kit DDE 8584279 Key FEM
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BMW F10 F11 LCI F30 F31 Xenon Headlight Ballast Control Unit 7317408
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Part no. 9387226
Mini Cooper One F54 F55 F56 F60 ECU Body Domain Controller BDC Module 9387226
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Part no. 7805585-6
BMW E91 325i M52 218HP Engine Control Unit ECU Kit DDE 7805585 CAS3 Key Manual
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Part no. 8506574-1
BMW E70 40dX N57S 306HP Engine Control Unit ECU Kit DDE 8506574 CAS3 Key
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Part no. 7533651-2
BMW Z4 Series E85 Roadster 2.2i M54 170HP ECU Kit DME 7533651 EWS3 Key Manual
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Part no. 9329885
BMW X5 X6 F15 F16 Battery Wire IBS Negative Battery Lead Cable Sensor 9329885
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Part no. 10723AF
Ford Transit Connect Battery Box Tray Housing Holder Bracket 10723AF
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Part no. 4F9035225D
Audi A6 C6 Antenna Amplifier Control Unit Module ECU 4F9035225D
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Part no. 4F0959655E
Audi A6 C6 SRS Crash Air Module Safety ECU Unit Control 4F0959655E
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Part no. A9064400138
Mercedes Sprinter W906 Diesel Radiator Fan Wiring Harness WH1153 A6394406351
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Part no. 7239175-1
BMW 3 Series 1 F30 F80 M3 Battery Cover Trunk Trim Panel Right Boot 7239175
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Part no. 7607685-2
Mini Cooper R56 LCI N16 1.6 Petrol Engine ECU Kit DME 7607685 + CAS 3 + Key
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Part no. 8517874-6
BMW F20 F21 116d N47N 116HP ECU Kit DDE 8517874 + Key + FEM + Lock Manual
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Part no. 9177985-1
BMW E93 Cabrio ECU Body Control Module H3 Junction Box 9177985
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Engine Wiring Renault Trafic II Loom Harness Module 240113809R
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Part no. 231769503R
Renault Trafic II 2.0 DCI Master III 2.3 DCI Alternator Plate Cover 231769503R
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Part no. 8574093-2
BMW F20 F30 120d 320d 184HP N47N Engine ECU Kit DDE 8574093 FEM Key Manual
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Part no. 1J0971228AE
Audi A3 8L TT 8N Battery Cable Positive Wire Lead Terminal 1J0971228AE
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Part no. 9665205380
Peugeot 207 Negative Battery Terminal Cable Wiring Electrical Cable 9665205380
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Part no. 7928663
Antenna Receiver Mini F54 F55 F56 F57 BMW F15 F20 F30 F32 Control Unit 7928663
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Parking Aid Module Mercedes C216 W221 Parktronic Blind Spot Control A2215409501
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Part no. 9173686-2
BMW X3 Z4 E83 E85 E86 Radio Business CD Player 9173686
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Mercedes-Benz C-Class W203 CD Player Audio Stereo Radio Head Unit A2038201286
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BMW F10 F11 Radio Channel Selector CD Player Insert Switch Panel Control 9331825
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Ford Transit MK7 Fuse Box Body Control Module ECU BCM Unit 6C1T14A073CJ
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Audi A4 B8 Body Control Comfort Unit Module BCM Unit ECU 8W1907063AC
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Part no. 7600020-1
Mini Cooper R56 N12 1.6 120HP ECU Control Unit Kit DME 7600020 CAS3 Key Manual
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BMW Z4 E89 Roadster Control Unit EMF Rear Wheel Brake Module 6794260
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BMW E92 ECU Body Control Module Junction Box L1 PL2 JBBFE 9134483
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BMW X1 F48 Mini F55 F56 B37 B47 Engine Alternator Generator Denso 150A 8627124
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Part no. 4H0907428D
Audi A8 D4 Rear Reversing Camera Module View Camera Control Unit ECU 4H0907428D
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Part no. 8386207
BMW E39 Headlight Control Module LCM III LWR 8386207
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Air Module Mercedes C204 C207 Sensor Control Unit ECU A2079012500
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Part no. 7599881-10
BMW E87 LCI E90 120i 320i Petrol N43 170HP ECU KIT DME 7599881 CAS3 Key Manual
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Part no. A0111548402
Alternator Generator Mercedes W203 M111 Petrol Engine Valeo 120A A0111548402
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Part no. 8578516
BMW F20 F21 N47S1 Wiring Harness Engine Automatic Transmission Module 8578516
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Part no. 9117532-1
BMW E60 E61 Radio Player M-ASK M-Audio System Controller CD Head Unit 9117532
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Part no. 7640755-5
BMW F20 F21 114i N13 102HP Engine ECU Kit DME 7640755 Key + FEM + Lock Manual
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Mercedes Vito W639 Battery Terminal Fuse Box Control Unit Module A6395400050
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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 .