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. 8506666-2
Mini Cooper D R60 ALL4 N47N Diesel Engine ECU Kit DDE 8506666 CAS3 Key Manual
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Alternator Volkswagen VW Sharan 2.0 TDI Engine Alternator 180A Bosch 03L903024F
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BMW E90 E91 LCI N47N 318d 143HP Engine ECU Kit DDE 8510832 CAS3 + Key Manual
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BMW X3 G01 Fuse Relay Box Control Unit ECU 6828076 8795477
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Range Rover L322 3.0 Starter Motor Diesel Engine Denso 7787925
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Mercedes W164 Fuse Box Relay Module Unit A1645403472
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Mercedes CL203 CLC Head Unit CD Player Radio Audio Controller Unit A2038703594
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Audi A3 8P PDC Parking Distance Control Sensor Module Unit ECU 8P0919283D
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BMW X3 E83 Telematics Bluetooth Control Unit Module 9181881
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Audi Q3 S Line Multimedia Radio Sat Nav Screen Display Head Unit 8U0857273E
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Fuel Pump Module BMW E60 E81 E87 E90 E91 LCI Control Unit ECU 7180427
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Part no. 7557395-18
Mini One R50 1.6 W10 90HP Engine Control Unit ECU Kit DME 7557395 Manual
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Ford Connect Diesel Engine Wiring Cable Loom Harness 7T1T9H589BD
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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 E81 E87 E90 E91 E92 E93 Radio CD Player Professional Control Unit 9231931
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BMW 7 Series E65 E66 E67 Sensor B-Pillar Airbag Right O/S 6970894
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VW Volkswagen LT 35 BBF 95HP Engine Control Unit Module ECU 074906018BD Manual
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Alternator BMW G11 G12 LCI G20 G21 G30 G31 Alternator 250A Bosch 8571358
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Control Unit Mercedes W169 W245 SAM Module Relay Fuse Box A1695456332
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BMW 7 Series E65 E66 TV Function Video Module Control Unit Tuner 6933867
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Mercedes W166 Tailgate Control Module Unit A1669006311
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Starter Motor Mercedes W164 OM642 Diesel Engine Starter Actuator A0061514101
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BMW 3 Series E92 ECU Body Control Module Junction Box L1 PL2RR JBBFE 9227178
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Volkswagen VW Passat B7 Driver's Seat Control Unit Module ECU 3C8959760E
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Part no. 6946990-1
CD Changer BMW X5 E53 Z4 E85 6 Disc Control Unit Module With Magazine 6946990
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Part no. A2208274642-1
CD Changer Mercedes W203 W209 W220 6 Disc Player With Magazine A2208274642
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BMW X6 F16 Bumper PDC Wiring Loom Parking Sensor Rear Cable Harness 9367702
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Mercedes GLC C253 Multimedia USB SD Card Reader Port Socket A2538206100
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Alternator BMW E90 E81 E87 E85 Petrol Engine N45 N46 Alternator 150A 7533270
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Part no. 9809590
Mini Countryman R60 Fuse Distribution Box PL3 SPEG H7 DC/DC 9809590
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Part no. A0035422519
Mercedes-Benz A B Class W169 W245 Battery Relay Module Unit A0035422519
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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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Battery Positive Mercedes C117 W176 W246 Plus Pole Terminal Lead A2469067901
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Part no. 7787356-1
BMW E46 E60 LCI E83 E87 M47N2 Diesel Starter Motor 7787356
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Part no. A4475404326-1
Mercedes Vito W447 Fuse Relay Box Control Module A4475404326
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Part no. A2123200358
Mercedes-Benz S W221 Valve Block Air Suspension Control Unit Module A2123200358
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Part no. A6421509478-2
Mercedes W164 ML320 4-Matic OM642.940 Diesel Engine Unit ECU Kit A6421509478 Key
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Part no. A6519064800
Mercedes GLC X253 GLC 220d Diesel OM651 Engine Starter Motor Bosch A6519064800
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Part no. 8T0919603A
Audi A4 B8 AV10NEO Display Screen Radio Multimedia Navigation Sat 8T0919603A
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Part no. 8585642
BMW F20 F21 F30 F31 N47N Wiring Loom Harness Engine Gearbox Module 8585642
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Part no. A2218707393
Mercedes S350 W221 Seat Control Module Front Left N/S A2218707393
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BCM Module BMW E60 E63 E64 Body Control Module 6135 9114447
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Peugeot 307 Body Control Comfort Unit Module BSI Fuse Box 9651197480
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Audi A8L 4H Rear View Backup Camera Control Unit Module 4H0907441A
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Mercedes Vito W639 OM651.940 Diesel Engine Wiring Cable Loom Harness A6511501488
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Mini Cooper One R56 Footwell Light Module High ECU PL3 FRM II 3450937
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Audi Q5 8R Body Control Module ECU Control Unit 8K0907064KG
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BMW E39 6-disc CD Changer without Magazine 6908948
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Mercedes W177 W247 All Wheel Drive Control Unit Module ECU SG MFA2 A2479000910
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Part no. 1388277080
Citroen Relay 35L III Positive Battery Wiring Loom Harness Diesel 1388277080
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Part no. A0131541002-1
Mercedes Vito Viano W639 Alternator Generator Diesel 200A A0131541002
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Peugeot 308 Citroen Berlingo Negative Battery Terminal Cable Wiring 9661191580
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Part no. 2354693-3
BMW 3 5 X3 Series 3 E46 E60 E65 E83 M54 Petrol Starter Motor 2354693
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Mercedes C207 Fuse Box Grouping Fuse Placement Map Card Diagram A2075844181
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Part no. A2709002100-10
Mercedes C117 W176 45 AMG 133.980 Engine Control Unit ECU A2709002100 Automatic
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Mini Cooper R50 R52 R53 Front Loudspeaker Loud Speaker 6956165 9143271
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Headlight Module BMW F07 F10 LEAR TMS Headlamp Control Unit Module 7258278
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Navigation Head Unit BMW F10 F20 F21 F30 F31 Media Player High 9311035
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Part no. 8513250-1
BMW F10 F11 520d Diesel N47N 184HP Engine ECU Kit DDE 8513250 CAS 4 + Key Manual
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Audi A8 4E S8 D3 TV Tuner DVB Receiver Hybrid Digital / Analog 4E0910148C
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BMW 5 E60 E61 Front Door Wiring Loom Harness Passenger Side 9175879
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Display Screen Peugeot Partner Expert Multifunction Dashboard Clock 9665614680
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Part no. 9267201
BMW 1 Series E81 Body Control Module L2 PL2RR JBBFE IIIR 61359267201 9267201
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Part no. P04727535AC
Chrysler Grand Voyager Automatic Gearbox Control Module Unit ECU P04727535AC
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Part no. A9065403527-1
Positive Cable Mercedes W906 OM651 Battery Starter Alternator Plus A9065403527
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Part no. A6519009502
Mercedes W176 A200 CDI OM651.930 136HP Engine Module ECU A6519009502 Automatic
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Part no. 03L903023
Audi A3 8V Diesel Engine Starter Alternator Electrical 14V 140A 03L903023
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Part no. 06F903023F
Volkswagen Golf 5 Audi A3 8P 1.9 2.0 TDI Engine Alternator Generator 06F903023F
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Part no. 9298959
BMW F20 F21 F30 F31 Rear Electronic Module Fuse Box Control Unit V2 REM 9298959
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Part no. 1K0915333B
Audi A3 8P Battery Box Tray Housing Holder Bracket Cover 1K0915333B
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Part no. A0009822223
Mercedes W906 SAM Module Fuse Box Relay Control Unit Regulator A0009822223
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Part no. 8364931-1
Alpine CHM-S630 CD Changer Multichanger 6-disc Magazine Cartridge
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Part no. A6519009402
Mercedes W245 B200 CDI Blue Efficiency OM651.901 Engine Unit ECU A6519009402
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BMW 5 Series E60 E61 Centre Console DSC PDC Switch Center Cluster 6938310
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Audi TT FV Starter Motor Engine Diesel 02M911021S
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Audi A7 4G Q7 4L 3.0 TDI Glow Plug Pre Heat 651 Relay Unit 9 Pins 4L0907282A
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Part no. A1718203126
Mercedes SLK R171 Front Air Module SRS Control Unit ECU A1718204126
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Part no. 9132249
BMW 5 Series E60 LCI IBS Negative Battery Lead Cable Wiring Harness 9132249
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Audi Cable Adapter iPod Connection 4F0051510K
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Citroen Berlingo 1.6 HDI 9H06 Engine Control Unit ECU EDC 98078859 Manual
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Part no. 4G0907397R
Audi S1 8X Front Lamp Headlight DRL Ballast Control Module Unit 4G0907397R
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BMW E46 Coupe Convertible Door Wiring Passenger Side Cable Harness Loom 6903096
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BMW E81 E87 LCI E90 120i 320i Petrol N43 170HP Engine ECU DME 7579142 Manual
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Mercedes R171 W203 W211 Phone Adapter Contact Plate Holder Telephone A2038201411
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Body Control Module Audi A4 B8 A5 8T BCM Comfort Control Unit 8K0907064CP
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Mini One D R50 Diesel W17 88HP Engine ECU Kit DDE 7792544 + EWS + Keys Manual
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Mercedes W246 Airbag Belt Locking Retractor Control Unit Module A2469006018
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Audi A4 B8 2.0 TDI 143HP CAGA Diesel Engine Control Unit ECU 03L906022JM
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Audi A4 B7 Cabriolet Roof Motor Wiring Harness Wiring Loom 8H0972387
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Mini One R56 N12 95HP ECU Engine Control Kit DME 7589971 + CAS3 + Key Automatic
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Mercedes C219 CLS320 CDI OM642.920 Engine Module ECU Kit A6421509078 Automatic
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Mercedes W203 W204 M271 Engine Alternator Generator Valeo 120A 14V A2711541402
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Mini R50 R53 Fuse Relay Electrical Box Housing With Cover 1480790
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Part no. 9214243
BMW F10 F11 Battery B+ Engine Compartment Terminal Point 9214243
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Part no. 1406067
Alternator Ford Transit MK2 Sierra Scorpio 2.0 Engine Generator 1406067
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Part no. A9075406960
Fuse Box Mercedes Sprinter W907 Prefuse Box Module F150/1 - MFB-1 A9075406960
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Part no. 9166075
BMW X5 Series E70 Individual Audio System Amplifier Top-hifi Lear PL5 9166075
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Part no. 02T911024JX
Audi A1 8X 1.2 TFSI CBZA Petrol Engine Starter Motor 02T911024JX
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Part no. 3U0941597A
Seat Ibiza 6J Relay Black Control Unit 7 Pin 12V 3U0941597A
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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 .