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. 8R0971104AC
Audi Q5 8R Rear Bumper PDC Parking Sensor Wiring Harness Loom 8R0971104AC
PLN 189.95
Free delivery - Wed, Jan 14
If paid before 14:00
Part no. 9317872
BMW F20 F21 F22 F30 F31 Alpine CD Champ 2 Radio Player Head Unit 9323784
PLN 170.95
Free delivery - Wed, Jan 14
If paid before 14:00
Part no. 6J4971161E
Seat Ibiza Mk4 Door Wiring Front Rear Right O/S Harness Loom Cable 6J4971161E
PLN 42.95
Delivery - Wed, Jan 14
If paid before 14:00
Part no. A0131547002
Mercedes W211 CLS C219 Alternator Generator OM642 Diesel 14V 180A A0131547002
PLN 360.95
Free delivery - Wed, Jan 14
If paid before 14:00
Part no. 9338153
Mini F54 F60 Clubman Countryman Antenna Aerial Amplifier AM / FM Unit 9338153
PLN 75.95
Free delivery - Wed, Jan 14
If paid before 14:00
Part no. A6519003403-1
Mercedes W906 314 CDI OM651 Engine Module ECU Kit A6519003403 Automatic
PLN 1,899.95
Free delivery - Wed, Jan 14
If paid before 14:00
Part no. A6519000601-5
Mercedes W906 313 CDI OM651 129HP Diesel Engine Control ECU A6519000601 Manual
PLN 569.95
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If paid before 14:00
Part no. 1J0973332A
Audi RS4 B8 Cable Loom Wiring Plug Socket 2 Pins 1J0973332A
PLN 42.95
Delivery - Wed, Jan 14
If paid before 14:00
Part no. A2055401542
Mercedes W205 Rear Door Harness Wiring Cable Left Right N/O/S A2055401542
PLN 256.95
Free delivery - Wed, Jan 14
If paid before 14:00
Part no. 1K0906093G
Audi A1 8X VW Seat Skoda Fuel Pump Control Unit Module 1K0906093G
PLN 123.95
Free delivery - Wed, Jan 14
If paid before 14:00
Part no. 9226885
BMW F20 F21 Aerial Antenna Amplifier Diversity DAB 9226885
PLN 85.95
Free delivery - Wed, Jan 14
If paid before 14:00
Part no. 9264975
BMW X5 E70 X6 E71 Front Seat Control Unit Module Memory ECU 9264975
PLN 123.95
Free delivery - Wed, Jan 14
If paid before 14:00
Part no. 99661510100
Porsche Boxster 986 Fuel Pump Relay Control 12V 15A 99661510100
PLN 61.95
Free delivery - Wed, Jan 14
If paid before 14:00
Part no. A2035407308
Mercedes-Benz C-Class W203 Rear Left Right Door Wiring Loom Harness A2035407308
PLN 42.95
Delivery - Wed, Jan 14
If paid before 14:00
Part no. 6911584
BMW E65 E66 Steering Wheel MFL Phone Switch Buttons Left N/S 6911584
PLN 56.95
Delivery - Wed, Jan 14
If paid before 14:00
Part no. A1718201726
Mercedes SLK R171 Seat Heated Heating Control Unit Module ECU A1718201726
PLN 103.95
Free delivery - Wed, Jan 14
If paid before 14:00
Part no. A6395406609
Wiring Loom Vito Mercedes W639 Front Door Cable Left Right N/O/S A6395406609
PLN 61.95
Free delivery - Wed, Jan 14
If paid before 14:00
Part no. 5A07600
BMW F40 Heater Air Conditioning System Control Unit Module 5A075F7
PLN 142.95
Free delivery - Wed, Jan 14
If paid before 14:00
Part no. A6396641914
Mount Support Mercedes Vito W639 Battery Bracket Holder Mounting A6396641914
PLN 37.95
Delivery - Wed, Jan 14
If paid before 14:00
Part no. 3D0972072AG
VW Phaeton 3D Electrical Steering Column Wiring Harness Loom Cable 3D0972072AG
PLN 237.95
Free delivery - Wed, Jan 14
If paid before 14:00
Part no. 5Q0959392B
Audi A3 S3 8V Door Control Module Front Passenger Side Left N/S 5Q0959392B
PLN 75.95
Free delivery - Wed, Jan 14
If paid before 14:00
Part no. A1779061302
Mercedes EQA H243 W247 Fuse Box Relay Control Unit Module A1779061302
PLN 284.95
Free delivery - Wed, Jan 14
If paid before 14:00
Part no. 4F0971765
Audi A6 C6 Wing Mirror Adjustment Switch Wiring Loom Cable 4F0971765
PLN 42.95
Delivery - Wed, Jan 14
If paid before 14:00
Part no. 9347878
Dashboard Monitor BMW X5 F15 Onboard Central Display Screen 10,25" 9347878
PLN 949.95
Free delivery - Wed, Jan 14
If paid before 14:00
Part no. 7583740
BMW Z4 E89 Earth Battery Cable Wiring Loom Harness Line 7583740
PLN 61.95
Free delivery - Wed, Jan 14
If paid before 14:00
Part no. 6R0971226A
Volkswagen VW Polo 6R Negative Battery Terminal Cable Wiring 6R0971226A
PLN 42.95
Delivery - Wed, Jan 14
If paid before 14:00
Part no. 5TRK0200UK
BMW X5 E53 GPS Vehicle Location Tracker Control Unit Module ECU 5TRK0200UK
PLN 47.95
Delivery - Wed, Jan 14
If paid before 14:00
Part no. A1645403572-1
Mercedes W164 W251 Fuse Box Relay Module Control Unit A1645403572
PLN 664.95
Free delivery - Wed, Jan 14
If paid before 14:00
Part no. 9286640
Mini Navigation Head Unit R55 R56 R57 LCI R60 R61 CHAMP 2 Sat Nav DAB 9286640
PLN 1,234.95
Free delivery - Wed, Jan 14
If paid before 14:00
Part no. 8U0907468Q
Audi Q3 8U Gateway Control Module Unit ECU 8U0907468Q
PLN 61.95
Free delivery - Wed, Jan 14
If paid before 14:00
Part no. 1438941
BMW X5 E53 Ground Cable Alternator Petrol 1438941
PLN 42.95
Delivery - Wed, Jan 14
If paid before 14:00
Part no. 5J0919506
Seat Ibiza 6J 1.2 TSI CBZB Radiator Fan Relay Module Control Unit ECU 5J0919506
PLN 61.95
Free delivery - Wed, Jan 14
If paid before 14:00
Part no. 8510221-13
BMW E90 E91 LCI E92 325d Diesel N57 204HP ECU Engine Kit DDE 8510221 Automatic
PLN 759.95
Free delivery - Wed, Jan 14
If paid before 14:00
Part no. 6871062
BMW F01 F07 F10 F12 VDC Module Rear Suspension Level Control Unit 6871062
PLN 142.95
Free delivery - Wed, Jan 14
If paid before 14:00
Part no. A1715409606
Mercedes R171 Wiring Cable Harness Front Passenger Door Wiring Loom A1715409606
PLN 75.95
Free delivery - Wed, Jan 14
If paid before 14:00
Part no. 1K0915181H
Audi A3 8P Negative Cable Battery Terminal Wiring Loom 1K0915181H
PLN 61.95
Free delivery - Wed, Jan 14
If paid before 14:00
Part no. 4E0035225BL
Audi S8 D3 Aerial Amplifier Antenna Receiver Signal Booster Unit 4E0035225BL
PLN 189.95
Free delivery - Wed, Jan 14
If paid before 14:00
Part no. 6921982
BMW 7 Series E65 E66 E67 Control Unit Door Rear Driver Side
PLN 42.95
Delivery - Wed, Jan 14
If paid before 14:00
Part no. 03C903024F
Alternator Audi A3 8P VW Passat B7 Engine Generator 1.4 TSI 03C903024F
PLN 237.95
Free delivery - Wed, Jan 14
If paid before 14:00
Part no. 8T0907468H
Audi A4 B8 Gateway Interface Control Module Unit ECU 8T0907468H
PLN 61.95
Free delivery - Wed, Jan 14
If paid before 14:00
Part no. A2218202910
Mercedes W221 Dashboard Instrument Cluster Panel Switch A2218202910
PLN 42.95
Delivery - Wed, Jan 14
If paid before 14:00
Part no. A6519007401-6
Mercedes SLK R172 250CDI 651.980 204HP Engine ECU Kit Ignition + Key A6519007401
PLN 807.95
Free delivery - Wed, Jan 14
If paid before 14:00
Part no. 4M0907247
Audi A4 B9 A5 F5 Keyless Entry Amplifier Control Box Module Antenna 4M0907247
PLN 94.95
Free delivery - Wed, Jan 14
If paid before 14:00
Part no. 9229989
BMW F07 GT Cable Loom Door Rear Left Right N/O/S Wiring Harness 9210135
PLN 65.95
Free delivery - Wed, Jan 14
If paid before 14:00
Part no. 6974631
BMW Z4 Z3 Series E36 E85 Module Radar Burglar Alarm Sensor
PLN 37.95
Delivery - Wed, Jan 14
If paid before 14:00
Part no. 9330952
BMW F13 F12 Air Control Module Control Unit ACSM4 9330952
PLN 94.95
Free delivery - Wed, Jan 14
If paid before 14:00
Part no. A2535403718
Mercedes X253 Rear Bumper Electrical Wiring Harness A2535403718
PLN 284.95
Free delivery - Wed, Jan 14
If paid before 14:00
Part no. A6291501779
ECU Mercedes X164 Diesel OM629.912 Engine Control Module 306 HP Automatic
PLN 427.95
Free delivery - Wed, Jan 14
If paid before 14:00
Part no. 1Z0907115AF-1
Skoda Octavia RS II 2.0TFSI CCZA 200HP Engine Unit ECU Kit 1Z0907115AF Manual
PLN 1,234.95
Free delivery - Wed, Jan 14
If paid before 14:00
Part no. 4L0971767
Audi Q7 4L Washer Bottle Reservoir Wiring Loom Harness 4L0971767
PLN 42.95
Delivery - Wed, Jan 14
If paid before 14:00
Part no. 8510829-4
BMW E90 E91 LCI N47N 320ed 320d ed 163HP ECU KIT DDE 8510829 CAS3 + Key Manual
PLN 284.95
Free delivery - Wed, Jan 14
If paid before 14:00
Part no. 8512415-2
Mini Cooper D R60 ALL4 N47N 112HP Diesel Engine ECU Kit DDE 8512415 CAS3 Key
PLN 949.95
Free delivery - Wed, Jan 14
If paid before 14:00
Part no. 7311541
BMW 2 Series F22 F87 M2 Rear Third Stoplamp Stop Lamp Brake Light White 7311541
PLN 74.95
Free delivery - Wed, Jan 14
If paid before 14:00
Part no. 4D0907131
Audi VW Volkswagen Seat Relay Unit Module 4 Pins 12V 4D09907131
PLN 61.95
Free delivery - Wed, Jan 14
If paid before 14:00
Part no. 6866990
Airbag Module BMW F01 F02 LCI F10 F11 F13 Air Bag ECU ICM Control Unit 6866990
PLN 132.95
Free delivery - Wed, Jan 14
If paid before 14:00
Part no. 7541084
Mini Cooper Cabrio R52 Battery Cable Plus Pole 7541084
PLN 61.95
Free delivery - Wed, Jan 14
If paid before 14:00
Part no. A2129008707-1
Mercedes W212 Display Screen Multifunction Dashboard Control Unit A2129008707
PLN 142.95
Free delivery - Wed, Jan 14
If paid before 14:00
Part no. 7928682
Radio Receiver BMW F40 F44 G20 G26 Radio Remote Control Unit 434 MHZ 7928682
PLN 42.95
Delivery - Wed, Jan 14
If paid before 14:00
Part no. 7222633-1
BMW E90 E91 LCI Flat Cable Wiring Wire CAS Start Stop ECU Loom 7222633
PLN 42.95
Delivery - Wed, Jan 14
If paid before 14:00
Part no. A2139008430
Mercedes W910 Gearbox Control Module A2139008430
PLN 113.95
Free delivery - Wed, Jan 14
If paid before 14:00
Part no. 6964142
BMW 7 Series E65 E66 E67 Control Unit Door Rear Driver-Side 6933266
PLN 18.95
Delivery - Wed, Jan 14
If paid before 14:00
Part no. 6963014
BMW E60 E61 E63 Passenger Side Door Air Module Control Unit ECU 6963014
PLN 61.95
Free delivery - Wed, Jan 14
If paid before 14:00
Part no. 06E911021F
Audi A5 8T A6 C7 Engine Starter Motor 3.0 TFSI Petrol 06E911021F
PLN 123.95
Free delivery - Wed, Jan 14
If paid before 14:00
Part no. 9114215
BMW 5 Series E60 E60N E61 E61N LCI Airbag ECU Control Unit Module
PLN 42.95
Delivery - Wed, Jan 14
If paid before 14:00
Part no. 7565300-18
BMW Z4 E85 2.0 N46 150HP Engine Module ECU Kit DME 7565300 + EWS + Key Manual
PLN 1,234.95
Free delivery - Wed, Jan 14
If paid before 14:00
Part no. 8577839-1
BMW F32 F33 430d N57N 258HP Engine ECU DDE Kit 8577839 FEM + Key Automatic
PLN 949.95
Free delivery - Wed, Jan 14
If paid before 14:00
Part no. 4H0962239A
Audi A8 D4 Rear Hatch Boot Lid Tailgate Opening Cable Wiring Line 4H0962239A
PLN 189.95
Free delivery - Wed, Jan 14
If paid before 14:00
Part no. A2465404300
Mercedes W176 Door Harness Loom Cable Wiring Rear Right A2465404300
PLN 61.95
Free delivery - Wed, Jan 14
If paid before 14:00
Part no. 8573260-1
BMW F20 F21 116d ed Diesel N47N 116HP Engine Control ECU DDE 8573260 Manual
PLN 360.95
Free delivery - Wed, Jan 14
If paid before 14:00
Part no. A1698208526
Mercedes-Benz A B Class W169 W245 Door Control Module Left Rear N/S A1698208526
PLN 47.95
Delivery - Wed, Jan 14
If paid before 14:00
Part no. ML3A-5L200-AD
Volkswagen Amarok Mk2 DPF Filter Pressure Sensor 3.0 TDI ML3A-5L200-AD
PLN 237.95
Free delivery - Wed, Jan 14
If paid before 14:00
Part no. 8634124
BMW F40 F45 X1 F48 Mini F55 F56 F60 Alternator Generator Denso 120A 8634124
PLN 189.95
Free delivery - Wed, Jan 14
If paid before 14:00
Part no. 6931687
BMW X5 E70 X6 E71 Fuse Box Power Distribution Electrical Unit Rear 6931687
PLN 61.95
Free delivery - Wed, Jan 14
If paid before 14:00
Part no. 9306220
Telematics Module BMW F10 F20 F30 F31 Bluetooth Teleservices GPS 9306220
PLN 42.95
Delivery - Wed, Jan 14
If paid before 14:00
Part no. 2K5951172
VW Volkswagen Caddy Maxi Interior Roof Alarm Sensor Module Unit 2K5951172
PLN 427.95
Free delivery - Wed, Jan 14
If paid before 14:00
Part no. 3414469
BMW X3 E83 Fuse Grouping Front Stick-on Label Diagram 9267980
PLN 42.95
Delivery - Wed, Jan 14
If paid before 14:00
Part no. A0015454416
Mercedes CL203 M271 Automatic Gearbox EGS Control Module Unit ECU A0015454416
PLN 123.95
Free delivery - Wed, Jan 14
If paid before 14:00
Part no. 9231320
Dashboard Monitor BMW X3 F25 X4 F26 Onboard Central Display Screen 9231320
PLN 379.95
Free delivery - Wed, Jan 14
If paid before 14:00
Part no. 6886185
ICM Module BMW F20 F21 F30 F31 Crash Control Unit Airbag ECU 6886185 0265020864
PLN 56.95
Delivery - Wed, Jan 14
If paid before 14:00
Part no. 9387266
FEM Module BMW F23 F36 Body Control Unit ECU LR01 9387266
PLN 569.95
Free delivery - Wed, Jan 14
If paid before 14:00
Part no. 3455305-2
3 x Mini R57 R58 R59 DWA Door Alarm System Module Control Unit Set 3455305
PLN 51.95
Delivery - Wed, Jan 14
If paid before 14:00
Part no. 4L0907357
Audi Q7 4L Headlight Level Range Adjustment Module Control Unit 4L0907357
PLN 42.95
Delivery - Wed, Jan 14
If paid before 14:00
Part no. 9277202
Wiring Cable BMW F06 F12 F13 Electric Parking Hand Brake Handbrake Set 9277202
PLN 123.95
Free delivery - Wed, Jan 14
If paid before 14:00
Part no. 9286365
BMW X1 X2 Series F39 F48 Antenne AM Antenna Amplifier Cable 9286365
PLN 66.95
Free delivery - Wed, Jan 14
If paid before 14:00
Part no. 95910-1H050
Kia Ceed Hyundai Air Module Safety Control Unit Ver. 3.3 ECU 95910-1H050
PLN 42.95
Delivery - Wed, Jan 14
If paid before 14:00
Part no. 9141048
BMW E60 E87 E90 E91 Hands-Free Electronics Charging MULF2 9141048
PLN 379.95
Free delivery - Wed, Jan 14
If paid before 14:00
Part no. 6791131
BMW F01 ICM Module Integrated Chassis Management QL ES Control Unit 6791131
PLN 142.95
Free delivery - Wed, Jan 14
If paid before 14:00
Part no. 5Q0937615C-2
Seat Leon Mk3 5F Fuse Relay Box Module Electrical Control Unit 5Q0937615C
PLN 42.95
Delivery - Wed, Jan 14
If paid before 14:00
Part no. A1729008500-3
Mercedes W166 W204 Display Screen Information Navigation Dashboard A1729008500
PLN 142.95
Free delivery - Wed, Jan 14
If paid before 14:00
Part no. A2044405935
Mercedes W204 Door Card Harness Loom Cable Wiring Front Left N/S A2044405935
PLN 61.95
Free delivery - Wed, Jan 14
If paid before 14:00
Part no. 9270392-2
BMW F20 F21 F22 Central Information Display Dashboard Screen 6,5" 9270392
PLN 42.95
Delivery - Wed, Jan 14
If paid before 14:00
Part no. 9370431
BMW X1 Series F48 KaFAS Camera Assist Speed Limit Control 9370431
PLN 189.95
Free delivery - Wed, Jan 14
If paid before 14:00
Part no. A0009058104-1
Mercedes W176 W205 W246 GLC C253 Front Bumper Sensor Radar Unit A0009058104
PLN 1,139.95
Free delivery - Wed, Jan 14
If paid before 14:00
Part no. A4209003305
Mercedes Sprinter W907 W910 Radio Stereo Player Head Unit Module A4209003305
PLN 759.95
Free delivery - Wed, Jan 14
If paid before 14:00
Part no. A2123200358
Mercedes-Benz S W221 Valve Block Air Suspension Control Unit Module A2123200358
PLN 474.95
Free delivery - Wed, Jan 14
If paid before 14:00
Part no. A0141540402
Alternator Mercedes W164 OM272 Engine Alternator 180A 14V Valeo A0141540402
PLN 369.95
Free delivery - Wed, Jan 14
If paid before 14:00
Part no. A2076822704
Trim Panel Mercedes W212 Dashboard Module Control Unit Cover A2076822704
PLN 47.95
Delivery - Wed, Jan 14
If paid before 14:00
Part no. A2128201789
Mercedes W212 Antenna Amplifier Aerial Module C Pillar Left N/S A2128201789
PLN 42.95
Delivery - Wed, Jan 14
If paid before 14:00
Part no. A2129007024
Mercedes CLS C218 Front Fuse Relay Box On Board Supply A2129007024
PLN 322.95
Free delivery - Wed, Jan 14
If paid before 14:00
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 .