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. A0025424019-1
Mercedes W906 W907 Cut Off Electric Relay Module A0025424019
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Audi A5 8T 2.0 TFSI CDNC Fuel Pump Control Module Unit ECU 8K0906093D
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BMW X5 Series E53 Radio BMW Business Cassette Player 6918871
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Starter Motor BMW E46 E60 E83 E53 M57N Diesel Engine Starting Unit 2KW 7788680
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Alternator Generator BMW F30 F32 N57N Diesel Electrical Unit Denso 180A 8509225
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BMW Mini Cooper R56 Footwell Light Module High EKS ECU LEAR PL3 FRM3R 3457428
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BMW 1 3 Series E82 E90 E92 Switch Cluster Cruise Control Stalk Unit 6965263
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Mercedes W204 Navigation CD Player Radio Stereo Sat Nav Head Unit A2049005112
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BMW E60 E65 E70 E81 E87 E90 F10 Engine Starter Motor 2354701
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AdBlue Module Mercedes W166 Diesel OM642 Exhaust Gas Cleaning Unit A6429007201
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BMW 1 3 Series E87 LCI E90 120i 320i Petrol ECU Kit N43 DME 7579142 CAS3 Key
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Mercedes W167 W177 W205 W213 Trunk Lid Opening Sensor Control Unit A2139052503
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Air Intake Duct Peugeot 3008 Air Intake Channel Unit Duct 9683140380
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Mercedes W176 180 CDI OM607.951 Blue Efficiency ECU Kit A6079002300 Key Lock
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BMW F20 120d F30 320d 184HP N47N Engine ECU Kit DDE 8578944 FEM Key Manual
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Mercedes W204 C220 CDI 651.911 Engine Control Unit ECU A6519007500 Automatic
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Audi A6 C6 Front Passenger Side Door Left N/S Module Unit Control ECU 4F0959792E
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BMW E90 E91 LCI E92 330d Diesel N57 245HP ECU Engine Unit DDE 7823973 Manual
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BMW 5 6 Series E60 M5 E63 M6 Rear Right O/S Brake Disc Protection Plate 6754630
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BMW Mini Cooper One R50 DME Petrol Engine Control Unit ECU Automatic 7514587
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Fuse Box Mercedes W204 Battery Terminal Control Unit Module A2075401850
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Starter Motor Mercedes W639 W906 OM651 Engine Diesel Bosch A6519060000
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Peugeot 308 Citroen Berlingo Negative Battery Terminal Cable Wiring 9661191580
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BMW Z4 Series E89 ECU Body Control Module H4 Electronic Box 61359329799 9329799
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Part no. 7520019-11
MINI Cooper R50 W10 116HP Engine ECU Kit DME 7520019 + EWS3 + Key Automatic
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BMW E93 Convertible Rollover Control Controller Module Unit 9134734
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Head Unit BMW F10 F20 F22 F30 Navigation Sat Nav GPS Unit High 9387565
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Part no. 8W0907064CB
Audi A4 B9 BCM Body Control Module Unit ECU 8W0907064CB
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Part no. 8W0035502B
Audi A4 B9 Wireless Charger Centre Console Phone Charging Module 8W0035502B
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Part no. 9868384
Body Control BMW F22 F23 F30 F32 F33 F36 BCM Module Unit ECU 9868384
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Part no. 4G0907697F
Audi TT FV LED Headlight Ballast Module Daytime Running Lights Unit 4G0907697H
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Radio Panel Mercedes W176 W242 W246 Radio Multimedia Switch Control A2469009412
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Mercedes W205 Adblue Module Exhaust Gas Control Unit ECU BlueTEC SCR A0009006706
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Part no. 9244261
Module BMW F10 Central Gateway Control Unit Module ZGW-01 High 9244261
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Part no. 7620985-2
Mini Cooper S R60 ALL4 N18 1.6 184HP Engine Control ECU Unit DME 7620985 Manual
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Part no. 6960943
Air Bag Module BMW E65 E66 Control Unit ECU Gateway Airbag Lear 6960943
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Part no. 7573863
BMW E60 E90 E92 335i 535i N54 306HP Petrol Engine Control Unit ECU DME 7573863
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Part no. A1698207826
Airbag Module Mercedes W169 W245 Air Bag Sensor Control Unit ECU A1698207826
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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. A2711540902
Alternator Generator Mercedes W203 W209 M271 Engine Valeo 120A 14V A2711540902
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Part no. 8578944-1
BMW F20 120d F30 320d 184HP N47N Engine ECU Kit DDE 8578944 FEM Key Automatic
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Part no. 281150049RT
Renault Trafic II CD Radio Audio Player Stereo Head Unit 281150049RT
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Part no. 8EO971824E
Audi A4 B7 2.0 TDI Battery Cable Wiring Harness 8EO971824E
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Mercedes W203 C200 Kompressor 163HP M271.940 Engine ECU Kit A2711534279 Key Lock
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Part no. Alpine CHM-S630
Alpine CHM-S630 6-disc Compact CD Changer Multichanger Digital Audio
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Citroen Dispatch Alternator Generator Valeo 90A 12V 9655296080
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Renault Trafic III Vauxhall Vivaro B Relay 4-Pin Blue Electrical Unit 252300973R
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Part no. 8387540
BMW X3 E83 Positive B Battery Terminal Point Case 8387540
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Audi A4 A5 Q7 Rear Bumper PDC Parking Sensor Ibis White - Y9C 420919275
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Part no. 8717408
Mini F55 F56 Wiring Loom Harness Instrument Panel Dashboard Cable 8717408
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PDC Wiring MINI Cooper One R50 Rear Bumper Cables Loom Set
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Part no. 6921960
BMW 5 X5 Series E39 E53 Radio Business CD Player 6921960
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Battery Box BMW G30 G31 Positive Fuse Battery Distribution Terminal Rear 6802943
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Part no. 9813622
Mini Cooper Countryman R60 Fuse Distribution Box SPEG High 9813622
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Part no. 9177987
BMW E91 ECU Body Control Module H4 Electronic Box 61359177987 9177987
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Part no. A0009004810
Adblue Module Mercedes W205 W222 C253 Exhaust Gas Control Unit ECU A0009004810
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Part no. BK2T14B476BU
Ford Transit MK8 Fuse Box Relay Body Control Comfort Module BCM BK2T14B476BU
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Part no. 6828076-1
BMW X3 G01 Fuse Relay Box Control Unit ECU 6828076 8795477
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Part no. 9150109
BMW E81 E87 E90 E91 E92 Radio CD Professional 9150109 65129150109
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BMW E60 E61 E63 E64 PDC Parking Distance Sensor Diamond Metallic - A10 2180149
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Renault Master Laguna 2 Opel Movano A Engine Alternator 14V 150A 8200660022
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Ford Transit MK7 2.2 TDCi Diesel Engine Wiring Loom Harness Cables 8C1T12B637KE
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Part no. 9147190
BMW E60 E61 LCI E90 E91 E92 CAS3 Control Unit Key Reading Module 9147190
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Part no. 9298939
Radio Player BMW F10 F11 F20 F21 F25 F30 F31 Alpine CD Champ 2 Head Unit 9298939
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Part no. 8473185-2
BMW F20 F30 LCI 118d 318d B47 150HP Engine ECU Kit DDE 8473185 FEM Key Automatic
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Part no. A2189009203
Mercedes W166 Headlight Lamp LED Control Module Left Right N/O/S A2189009203
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Part no. A6519000603-1
Mercedes W205 C205 BlueTec OM651.921 Engine Control Unit ECU Kit A6519000603 Key
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Part no. 6961218
BMW 5 X5 Series E39 E53 Radio Business CD Player 6961218
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Part no. 9367672
Mini F55 F56 F57 Central Cover Information Instrument Radio 9367672
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Part no. 8657337
Starter Motor BMW F90 M5 G11 G30 Petrol Engine Starter Actuator DENSO 8657337
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Part no. 8570673-1
Alternator Generator BMW F07 F10 N57N N57Z Diesel Engine 230A Valeo 8570672
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Part no. 9312602
BMW X3 F25 Central Gateway Module Control Unit Lear ZGW-02 Lear 9312602
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Part no. 9826048080
Citroen Relay 2.2 HDI Engine Starter Motor Diesel 9826048080
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Part no. 03L903023K-1
Audi A3 8P A4 A5 B8 Q5 Alternator Generator Diesel Electrical Unit 03L903023K
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Part no. 7640132-2
Alternator BMW F20 LCI F30 Mini F56 F60 Alternator Generator DENSO 180A 7640132
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Part no. A2709002100-5
Mercedes C117 CLA45 AMG M133.980 4-Matic Engine Control ECU Kit A2709002100 Key
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Ford Transit Mk8 VI Glow Plug Controller Unit Module Relay GK2112B533AA
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Mercedes W213 Multifunction Front Camera Control Unit A2139000323
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Part no. A0014460340-1
Mercedes W169 A150 M266.920 95HP Engine Control ECU Kit A0014460340 Automatic
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BMW E93 ECU Body Control Module Unit PL2RR JBBFE IIIR H3 Junction Box 9227186
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BMW 7 Series E65 E66 DVD CD Changer Multichanger Without Magazine 6967639
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Radio Head Unit Ford Transit Connect 6000 CD Media Player Unit 6C1T18C815AH
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Starter Motor Ford Transit 2.4 TDDi Diesel Engine 1S7U11000BC
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VW Volkswagen Polo 6N 1.4 APQ Petrol Starter Motor 085911023JX
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BMW 5 6 Series E60 E61 E63 Body Gateway Module KGM LOW LEAR 61359118730 9118730
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Ford Transit MK7 2.2 TDCI Diesel Engine Control Unit Module ECU AC11-12A650-BA
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Volkswagen Fox 5Z Stereo Radio CD Player MP3 Head Unit 5Z0035152E
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Battery Cable VW Golf 8 Audi A3 8Y Starter Alternator Wiring Harness 5WA971230CM
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Renault Trafic II Vauxhall Vivaro A 1.9 Diesel Engine Starter 7700116260
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Mercedes W203 W210 W211 Starter Motor Diesel Engine Remy A0051511301
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Audi Q3 8U Air Module Crash Impact Sensor Control Unit 8U0959651
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Engine Wiring Mercedes W906 Diesel OM651 Cable Loom Harness A6511502900
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BMW X5 E70 LCI Footwell Light Xenon Control Module Unit LEAR FRM3R XE 9263790
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BMW E81 E87 E88 E90 E91 LCI Radio Business CD Player 9227500
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Audi A7 4G8 BCM Body Control Module Unit ECU 4H0907063DH
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BMW E91 Touring LCI ECU Body Control Module Junction Box H2 9267205
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Part no. 8H0972387
Audi A4 B7 Cabriolet Roof Motor Wiring Harness Wiring Loom 8H0972387
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Part no. A6461532691-1
Mercedes Vito W639 109 CDI OM646.983 88HP Engine Module ECU Kit A6461532691
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Mercedes Vito W639 Front Left Door N/S Lock Bowden Pull Cable A6397600704
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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 .