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. 6962296
BMW E81 E87 E88 E89 E90 E91 E92 E93 Radio Business CD 6962296
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BMW E60 E90 X5 E70 3.0sd 335d 535d M57N2 Engine ECU DDE 7805287 Automatic
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BMW X3 F25 X4 F26 Dashboard Monitor Onboard Central Display Screen 6,5" 9269020
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Mercedes CLK W209 Fuse Box Relay Control Unit Module SAM Fuse Box A2095450001
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BMW E92 325i N52N 218HP ECU Control Unit Kit DME 7567362 CAS3 + Key Manual
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Audi A3 8P Telematics Bluetooth Module Control Unit ECU 8P1862335
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Alternator Generator Mercedes W204 W212 Diesel Engine Valeo 180A A0009067900
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Volkswagen VW Golf VI Passat B6 Tiguan Starter Motor Diesel Engine 02M911024A
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BMW 3 Series E46 Petrol Cable Alternator Starter Base B+ Wire 7511320
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Starter Motor BMW G20 G21 G30 G31 G32 GT G11 B57 3.0 Diesel Engine 8589891
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BMW X3 Series E83 Light Control Module Lear LM LWR ECE/RL 3413320
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On Board Navigation BMW E60 E63 Display Monitor Screen 8,8" 6952328
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BMW E60 E60N E63 E63N Body Control Module ECU Control Unit 9168833
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Mercedes Vito W447 Front Passenger Side Fuse Box Control Unit Module A4475407880
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BMW E60 E61 E90 E91 325i 525i Petrol N52 ECU Kit DME 7555361 CAS2 + Key Manual
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BMW 1 3 5 Series F10 F20 F30 Wiring Harness Motor Sensorsystem Module Petrol N20
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Audi A3 8V 2.0 TDI CRLB Diesel Alternator 03F903023D
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Volkswagen Touareg 3.0 TDI BKS 225HP Engine Control Unit ECU Kit 7L0907401F Key
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Mercedes W211 Door Module Front Right O/S Control Unit ECU A2118701026
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Mercedes W212 Rear Suspension Level Sensor Wiring Loom Cable Harness A2125402705
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BMW E46 M43 M57 Battery Cable Alternator Starter Base B+ Lead 1707017
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Module Mercedes SLK R171 Automatic Transmission Control Module A0005457916
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BMW X5 E70 Navigation System CCC CD Player Sat Nav Head Unit 9147618
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Engine Starter BMW F20 F21 F22 F30 F32 N47N Diesel Motor Bosch
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Mini Cooper R55 R56 Wiring Cable Seat Heating Seat Occupancy Set 2754325
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Audi A1 8X Negative Battery Terminal Earth Cable Lead 6C0915181B
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Seat Module BMW E60 E61 E65 E66 Front Seat Control Unit Module ECU 6927312
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BMW E90 E92 335i Petrol N54 ECU Kit Control Unit DME 7568842 CAS3 Key Automatic
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Renault Trafic II Opel Vivaro A 2.0 DCI Alternator Generator 8200404459
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Door Module Mercedes GLC X253 Rear Door Right Control Module A2059001028
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Ford Transit Airbag Module Air Bag Control Unit ECU 6C1T14B056
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Mercedes W212 E63 AMG Drive Unit Extended Control Module ECU A0009009903
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Fuse Box Mercedes GLE W166 C292 W463 Relay Control Unit Module A1669068201
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Mercedes W203 Gearbox Transmission Control A0325451232
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Part no. 9205279
BMW X3 Z4 Series E83 E85 E86 Radio Business CD Player 9197127 9205279
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Renault Trafic II Opel Vivaro A 2.0 DCI Alternator Bracket Mount 8200527320
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BMW X3 Series E83 E83N LCI Support Bracket Navigation Computer 3405141
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Part no. 6C11-12A650-AK
Ford Transit MK6 2.4 TDDi Diesel Engine Control Unit ECU Manual 6C11-12A650-AK
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Part no. 6967641-1
BMW 1 3 Series E81 E87 E90 E91 E92 6-disc CD Changer Without Magazine 6967641
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Part no. 5Q0937125B
Volkswagen Golf Sportsvan Fuse Box Engine Compartment Relay Unit 5Q0937125B
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BMW F30 LCI 330e B48X Battery Lead Negative IBS Wire Earth Cable 6832699
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Mini Cooper R55 R56 N12 1.6 120HP Engine Control Unit ECU DME 7588502 Manual
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BMW F20 F21 F22 F30 F31 Head Unit Basic Media Navigation Headunit 9399427
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BMW E60 E81 E90 E91 Petrol Alternator Generator 180A 7555926
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VDC Module BMW F20 F21 F30 F31 Rear Suspension Level Control Unit 6855189
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Audi A6 C6 Front Windscreen Rain Light Solar Sensor Unit 4E0955559C
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Mercedes W205 SAM Module Comfort Control Unit ECU A2229007009
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BMW E46 E64 Driver Side Seat Wiring Loom Electric Harness 7002532
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BMW E46 Convertible Rollover Sensor Control Unit Module 8385223
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Head Unit Mercedes CLA C118 W907 Sat Nav Radio Media Player Unit A2479006213
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Mercedes W209 Convertible Roof Module Folding Top Control Unit ECU A2098205026
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Part no. 7788680-5
Starter Motor BMW E46 E60 E83 E53 M57N Diesel Engine Starting Unit 2KW 7788680
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Part no. 9138179
BMW E61 E63 X5 E70 Telematics Bluetooth Control Unit Module 9138179
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Control Unit BMW F20 F21 F22 F30 F31 F32 F36 Module FEM ECU LR01 9387265
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Mercedes-Benz C-Class W204 Radio Control Function Button Knob A2048702058
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Mercedes Vito W447 Comfort SAM Control Unit Module Fuse Box A4479001707
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Mercedes W204 Display Screen Multimedia Navigation Dashboard Unit A1729008600
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Skoda Octavia II Negative Battery Terminal Cable Wire Wiring 1K0971250
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BMW 5 6 Series E60 E61 E63 E64 Battery Lead Negative Adapter IBS 9123572
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Battery Cable Volkswagen VW Golf Mk6 VI Positive Plus Pole Lead 3C0971228K
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Volkswagen Fox 5Z Air Module Control Unit ECU Module 1C0909605K
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Volkswagen Touran 1T Air Module Control Unit ECU Module 1T0909605E
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Mini Cooper R56 LCI ECU Footwell Light Module FRM3R LOW EKS Lear 3456394
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BMW E88 Cabrio Footwell Light Module Control Unit ECU PL2 FRM II 9197163
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BMW E87 Footwell Light Module Control Unit NSW PL2 FRM II Lear 9166707
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Part no. 9204536-1
BMW E90 Footwell Light Module ECU Control Unit PL2 FRM Lear 9204536
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Part no. 9243916
BMW E81 E87 E90 E91 E92 E93 LCI Radio CD Professional 9243916
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Part no. 3Q0959655AC
Skoda Octavia 5E Air Module Control Unit ECU Module Sensor 3Q0959655AC
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Part no. 9248315
Mini R57 R58 R60 Bluetooth Combox Control Module Audio ECU Harman Becker 9248315
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Part no. 7599881-6
BMW E81 E87 LCI 116i 1.6 Petrol N43 122HP ECU Kit DME 7599881 CAS3 Key Manual
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Part no. A0034464110
Mercedes W203 W204 W211 Automatic Gearbox Transmission Control Unit A0034464110
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Part no. A2469067200
Fuse Box Mercedes CLA C117 X156 W176 W246 Relay Unit A2469067200
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Door Module Mercedes GLC X253 Rear Door Left Control Module A2059000828
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Mercedes W205 C300 OM264.920 Engine Control Module ECU A2649000700 Automatic
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Part no. 7533651-8
BMW E60 530i M54 231HP Engine ECU Kit Unit DME 7533651 + CAS2 + Key Automatic
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BMW 1 3 Series E81 E90 LCI Business System Car Infotaiment Computer CIC
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Part no. A1665400224
Mercedes W166 C292 Fuse Relay Box Cover Trim Panel Lid Housing A1665400224
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Part no. A6131530379
Mercedes-Benz W210 E 320 CDI Diesel Engine Control Unit Module ECU A6131530379
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Part no. 7808074
BMW E70 LCI F10 Alternator Generator Engine 180A Valeo N57 Diesel 7803724
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Part no. 9170702-1
Navigation Head Unit BMW E60 E61 CCC CD Sat Nav Player System Controller 9170702
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Mercedes CLK C209 Keyless Go Module ECU Entry Door Control Unit A2098202526
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Part no. 7601189
BMW Mini Cooper R55 R56 LCI N16 Engine Wiring Loom Injection Ignition
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Skoda Fabia 5J Roomster Body Comfort Module Control Unit 5J0959433A
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BMW 1 3 Series E81 E87 E90 E91 E92 6-disc CD Changer With Magazine 6958198
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Volkswagen Sharan 7N Fuse Box Module Comfort BCM Control Unit ECU 5K0937084J
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BMW F20 Driver Side Door Cable Harness Wiring 9335291
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Audi A3 RS3 8V AMR Module Rear Suspension Damper Control Unit 8V0907376E
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BMW 3 5 7 Series E36 E38 E39 Key Transmitter Receiver Module Unit 8362337
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BMW 7 Series E65 E66 TV Function Video Module Control Unit Tuner 6933867
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BMW F10 F11 F30 F31 Wheel Electronics Module RDC 433MHZ Control Unit 6798872
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Part no. 8578082
BMW F30 F32 F36 335dX 435dX N57Z 313HP Engine ECU Unit Kit DDE 8578082 Key FEM
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Audi A4 B7 Petrol Engine Alternator Generator Electric Unit 14V 140A 06B903016AB
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Starter Motor Renault Trafic II Opel Vivaro A Diesel 2.5 dCi 8200106788
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Part no. 4S4112A650BC
Ford Transit Connect 1.8 Diesel Engine Control ECU Module Manual 4S4112A650BC
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Part no. 8K0907063DD
Audi A5 8T Onboard Comfort Supply BCM Control Module Unit ECU 8K0907063DD
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Part no. 8372875
BMW E38 Headlight Light Check Module Control Unit ECU Lear LCM II 8372875
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Part no. 9257038
BMW 5 Series F07 F10 F11 CAS4 Control Unit Key Reading Module 9257038 6809374
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Part no. A6402002770
Alternator Belt Tensioner Mercedes W169 W245 OM640 Diesel Holder Mounting Panel
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Part no. A2048208185
Rain Sensor Mercedes W204 Light Solar Condensation Control Unit A2048208185
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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 .