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. 03L906019AG-1
Audi A6 C6 2.0 TDI CAHA 170HP Engine ECU Kit 03L906019AG Ignition + Key Manual
PLN 854.95
Free delivery - Wed, Jan 14
If paid before 14:00
Part no. 8677247
Mini Countryman F60 Cable Alternator Starter Wire 12428677247 8677247
PLN 151.95
Free delivery - Wed, Jan 14
If paid before 14:00
Part no. 8U0907468BA
Audi Q3 8U Gateway Control Module Unit ECU 8U0907468AQ
PLN 94.95
Free delivery - Wed, Jan 14
If paid before 14:00
Part no. 9387262
FEM Module BMW F20 F21 F22 F30 F31 F32 F36 Body Control Unit ECU LR01 9387262
PLN 474.95
Free delivery - Wed, Jan 14
If paid before 14:00
Part no. 4H0907468AF
Audi A8 D4 Central Diagnostic Getaway PKO Control Unit Module ECU 4H0907468AF
PLN 474.95
Free delivery - Wed, Jan 14
If paid before 14:00
Part no. 9315080
BMW X3 F25 Window Lifter Switch Driver's Side Wiring Harness Loom Cable 9315080
PLN 42.95
Delivery - Wed, Jan 14
If paid before 14:00
Part no. MB3G-12C550-CG
VW Volkswagen Amarok Mk2 Glow Plug Relay Unit Module ECU MB3G-12C550-CG
PLN 949.95
Free delivery - Wed, Jan 14
If paid before 14:00
Part no. 8678967
Mini Cooper R56 Petrol Engine Installation Wiring Loom Harness 8678967
PLN 142.95
Free delivery - Wed, Jan 14
If paid before 14:00
Part no. A1669003712
Mercedes ML W166 SAM Module Control Unit ECU A1669003712
PLN 284.95
Free delivery - Wed, Jan 14
If paid before 14:00
Part no. 6855995
Control Unit Module BMW F20 F21 F22 F30 F31 ECU ICM Plus 6855995
PLN 75.95
Free delivery - Wed, Jan 14
If paid before 14:00
Part no. 9312768
BMW F06 F07 F10 F11 Comfort Module Body Control Unit Module BCM Unit ECU 9312768
PLN 189.95
Free delivery - Wed, Jan 14
If paid before 14:00
Part no. 9291964
BMW 1 Series F20 Front Left Door N/S Wiring Loom Harness Cables 9291964
PLN 94.95
Free delivery - Wed, Jan 14
If paid before 14:00
Part no. 8E0907307D
Audi A4 B7 Servotronic Steering Control Unit Module 8E0907307D
PLN 42.95
Delivery - Wed, Jan 14
If paid before 14:00
Part no. A2105460141
Mercedes-Benz E-Class W210 Battery Cable Box Connector Petrol A2105460141
PLN 27.95
Delivery - Wed, Jan 14
If paid before 14:00
Part no. 7199997
BMW Z4 E85 Roadster Cabrio Convertible Roof Folding Top Module Unit 7199997
PLN 237.95
Free delivery - Wed, Jan 14
If paid before 14:00
Part no. 8606306-6
BMW F30 320i N20 184HP ECU Kit Engine Control Unit DME 8606306 Key FEM Automatic
PLN 2,374.95
Free delivery - Wed, Jan 14
If paid before 14:00
Part no. A2661501233
Engine Wiring Mercedes W169 W245 M266 Petrol Cable Loom Harness A2661501233
PLN 474.95
Free delivery - Wed, Jan 14
If paid before 14:00
Part no. 9350336
BMW F06 F12 F13 F80 Mini F56 Radio CD Player Head Unit 9395949
PLN 237.95
Free delivery - Wed, Jan 14
If paid before 14:00
Part no. 9236518
BMW PDC E81 E87N LCI Wiring Front Bumper Parking Senors Harnes Loom 9236518
PLN 189.95
Free delivery - Wed, Jan 14
If paid before 14:00
Part no. 7606628
BMW F10 M5 F06 F12 F13 M6 S63N Engine Alternator Generator 14V 210A 7606628
PLN 332.95
Free delivery - Wed, Jan 14
If paid before 14:00
Part no. 3449686
Mini Cooper R55 R56 R57 Passive Go Module Control Unit 3449686
PLN 94.95
Free delivery - Wed, Jan 14
If paid before 14:00
Part no. 5C0937819R
Volkswagen Beetle 5C Fuse Box Relay Module Unit 5C0937819R
PLN 237.95
Free delivery - Wed, Jan 14
If paid before 14:00
Part no. 9325723
BMW G30 G31 Suppression Filter Aerial Antenna Amplifier Module 9325723
PLN 42.95
Delivery - Wed, Jan 14
If paid before 14:00
Part no. 9115107
BMW X5 Series E70 E70N LCI Wiring Set Wash Water Container Cable Loom 9115107
PLN 46.95
Delivery - Wed, Jan 14
If paid before 14:00
Part no. 9250459
BMW X3 F25 Footwell Light Module Control Unit ECU FRM3 9250459
PLN 284.95
Free delivery - Wed, Jan 14
If paid before 14:00
Part no. A2044402232
Mercedes W204 W207 Battery Cable Positive Wiring Harness Loom A2044402232
PLN 75.95
Free delivery - Wed, Jan 14
If paid before 14:00
Part no. 7520019
Mini Cooper One R50 Petrol W10 W11 Engine Control Unit DME 7520019 Automatic
PLN 42.95
Delivery - Wed, Jan 14
If paid before 14:00
Part no. 6989713-1
BMW E88 E89 E93 Convertible Cabrio DWA-Alarm System Module Set Of 2 6989713
PLN 61.95
Free delivery - Wed, Jan 14
If paid before 14:00
Part no. A4475400053
Mercedes Vito W447 Negative Battery Cable A4475400053
PLN 94.95
Free delivery - Wed, Jan 14
If paid before 14:00
Part no. 7P0937401
Volkswagen Touareg 7P Power Distribution Unit Positive Battery Socket 7P0937401
PLN 142.95
Free delivery - Wed, Jan 14
If paid before 14:00
Part no. 7075944-3
BMW E60 E65 E70 Front Right Seat O/S Height Adjustment Drive 7075944
PLN 94.95
Free delivery - Wed, Jan 14
If paid before 14:00
Part no. A6402002770-1
Alternator Belt Tensioner Mercedes W169 W245 OM640 Diesel Holder Mounting Panel
PLN 112.95
Free delivery - Wed, Jan 14
If paid before 14:00
Part no. 9389600
BMW Gran Turismo G32 Radio Aerial Antenna Amplifier AM/FM 9389600
PLN 123.95
Free delivery - Wed, Jan 14
If paid before 14:00
Part no. 6928975
Door Wiring Loom BMW E63 E64 Harness Passengers Side 6928975
PLN 94.95
Free delivery - Wed, Jan 14
If paid before 14:00
Part no. 8W0959595N
Audi A4 B9 Door Module Rear Right Left N/O/S Control Unit 8W0959595N
PLN 189.95
Free delivery - Wed, Jan 14
If paid before 14:00
Part no. 9286479
BMW F10 F11 LCI Front Bumper PDC Sensors Loom Cables Wiring Set 9286479
PLN 332.95
Free delivery - Wed, Jan 14
If paid before 14:00
Part no. 7799855-2
BMW 1 3 5 Series E60 E87 E90 M47N2 120d 320d 520d ECU Kit DDE CAS2 Key 7799855
PLN 1,139.95
Free delivery - Wed, Jan 14
If paid before 14:00
Part no. 9314229
BMW F20 Front Electronic Module Body Control Unit FEM ECU 9314229
PLN 1,234.95
Free delivery - Wed, Jan 14
If paid before 14:00
Part no. A4539018900
Smart ForTwo C453 Air Module Impact SRS Control Module ECU A4539018900
PLN 474.95
Free delivery - Wed, Jan 14
If paid before 14:00
Part no. A2465452840
Mercedes-Benz A B W176 W246 Control Module Housing Bracket Mount A2465452840
PLN 42.95
Delivery - Wed, Jan 14
If paid before 14:00
Part no. A0009003806
Mercedes W205 Park Parking Assist PDC Distance Control Unit Module A0009003806
PLN 365.95
Free delivery - Wed, Jan 14
If paid before 14:00
Part no. 7624619
BMW F10 Cable Generator Alternator Starter Base B+ 7624619
PLN 113.95
Free delivery - Wed, Jan 14
If paid before 14:00
Part no. 5E0971095DP
Skoda Octavia Mk3 Front Bumper Wiring Harness Loom Cable 5E0971095DF
PLN 142.95
Free delivery - Wed, Jan 14
If paid before 14:00
Part no. 2622610
Bluetooth Module BMW F10 F20 F23 F30 Teleservices GPS Telematics Control 2622610
PLN 142.95
Free delivery - Wed, Jan 14
If paid before 14:00
Part no. 4H0911075B
Audi A8L 4H Power Positive Distribution Junction Jumper Box Housing 4H0911075B
PLN 94.95
Free delivery - Wed, Jan 14
If paid before 14:00
Part no. 95B971228L
Porsche Macan 95B Starter Motor Alternator Wire Cable Loom 95B971228L
PLN 284.95
Free delivery - Wed, Jan 14
If paid before 14:00
Part no. 4F0919813E
Audi A4 B8 Chip Card Reader for Road Toll ETC Japan Module Unit 4F0919813E
PLN 113.95
Free delivery - Wed, Jan 14
If paid before 14:00
Part no. A2055404913
Mercedes W205 Wiring Cable Harness Center Console Ambient Lightning A2055404913
PLN 94.95
Free delivery - Wed, Jan 14
If paid before 14:00
Part no. 8W0907777L
Audi RS5 F5 Chassis Module Control Unit 8W0907777L
PLN 1,234.95
Free delivery - Wed, Jan 14
If paid before 14:00
Part no. 8V4971693F
Audi A3 8V Rear Left Right N/O/S Door Card Wiring Loom Harness 8V4971693
PLN 94.95
Free delivery - Wed, Jan 14
If paid before 14:00
Part no. ML3T-10C652-BA
VW Amarok NF Battery Terminal Cable Wiring Battery ML3T-10C652-BA
PLN 142.95
Free delivery - Wed, Jan 14
If paid before 14:00
Part no. A1669004519
Mercedes C292 SAM Module Rear Control Unit A1669004519
PLN 189.95
Free delivery - Wed, Jan 14
If paid before 14:00
Part no. 4L0907468B
Audi Q7 4L Gateway Module Central Control Unit 4L0907468B
PLN 42.95
Delivery - Wed, Jan 14
If paid before 14:00
Part no. H1BB13D278AC
Ford Fiesta MK7 Front Headlamp DRL Light Lamp Control Unit Module H1BB-13D278-AC
PLN 113.95
Free delivery - Wed, Jan 14
If paid before 14:00
Part no. 6867169
Air Module BMW F20 F23 F30 F32 F36 Domain Control Module ICM Unit 6867169
PLN 118.95
Free delivery - Wed, Jan 14
If paid before 14:00
Part no. 4M0959795N
Audi A4 B9 Door Module Rear Left Right N/O/S Control Unit Module ECU 4M0959795N
PLN 142.95
Free delivery - Wed, Jan 14
If paid before 14:00
Part no. A2044401705
Mercedes S204 Door Wiring Loom Cable Rear Left Right N/O/S A2044401705
PLN 46.95
Delivery - Wed, Jan 14
If paid before 14:00
Part no. 9381882
BMW F30 F31 F80 M3 Sound Amplifier Hifi Audio Control Unit Harman Becker 9381882
PLN 408.95
Free delivery - Wed, Jan 14
If paid before 14:00
Part no. 6807634
BMW X5 F15 F20 F30 SRS Air Module Bag Control Unit Module ECU 6807634
PLN 94.95
Free delivery - Wed, Jan 14
If paid before 14:00
Part no. A2189000104
Mercedes CLS X218 Parktronic PDC Parking Assist Control Module A2189000104
PLN 61.95
Free delivery - Wed, Jan 14
If paid before 14:00
Part no. 5Q0959595E
Audi A3 8V Door Control Module Unit ECU Rear Left Right N/O/S 5Q0959595E
PLN 61.95
Free delivery - Wed, Jan 14
If paid before 14:00
Part no. 7552176-8
BMW Z4 E85 2.0i N46 150HP Engine Control Unit ECU DME 7552176 Manual Gearbox
PLN 712.95
Free delivery - Wed, Jan 14
If paid before 14:00
Part no. 8582279-8
BMW F30 F32 F34 GT 320d 420d N47N 184HP Engine Module Unit ECU DDE 8582279
PLN 189.95
Free delivery - Wed, Jan 14
If paid before 14:00
Part no. 9483099
Mini Cooper One F55 F56 F57 Parking Assistant Control Unit Module 9483099
PLN 237.95
Free delivery - Wed, Jan 14
If paid before 14:00
Part no. A1185402504
Mercedes C118 Door Harness Rear Left N/S Door Wiring Loom A1185402504
PLN 142.95
Free delivery - Wed, Jan 14
If paid before 14:00
Part no. 8512500-1
BMW E81 E82 E87 LCI E88 123d Engine N47S ECU Kit DDE 8512500 CAS3 + Key Manual
PLN 1,424.95
Free delivery - Wed, Jan 14
If paid before 14:00
Part no. A6421508100-3
Mercedes V251 642.950 4-Matic 224HP Engine Control ECU A6421508100 Automatic
PLN 1,139.95
Free delivery - Wed, Jan 14
If paid before 14:00
Part no. K211-K223
Chip Power Chiptuning Box GS2 K211-K223 Control Unit Module Tuning Set
PLN 474.95
Free delivery - Wed, Jan 14
If paid before 14:00
Part no. 8368210
BMW E46 Antenna Amplifier TV Aerial Control Module Unit 8368210
PLN 61.95
Free delivery - Wed, Jan 14
If paid before 14:00
Part no. 9231443
BMW 3 Series F30 F80 M3 Radio Antenna Amplifier Suppression Filter 9231443
PLN 47.95
Delivery - Wed, Jan 14
If paid before 14:00
Part no. A0009051600
Mercedes W207 W212 W221 Front Windscreen Windshield Camera A0009051600
PLN 85.95
Free delivery - Wed, Jan 14
If paid before 14:00
Part no. 8494949
Rear Tailgate Sensor BMW F40 F44 F48 Mini F54 LCI Smart Opener Bottom 8494949
PLN 127.95
Free delivery - Wed, Jan 14
If paid before 14:00
Part no. 6R0919433
VW Volkswagen Audi Seat Skoda Glow Plug Relay Unit Black 505 7 Pins 6R0919433
PLN 42.95
Delivery - Wed, Jan 14
If paid before 14:00
Part no. A1669008009
Mercedes GLE W166 Rear Door Wiring Control Module Right O/S Unit ECU A1669008009
PLN 165.95
Free delivery - Wed, Jan 14
If paid before 14:00
Part no. 6966551
BMW 5 Series E60 E61 Front Door Wiring Loom Harness Passengers Side 6966549
PLN 104.95
Free delivery - Wed, Jan 14
If paid before 14:00
Part no. A2465406809
Mercedes W176 W246 Wiring Loom Cable Door Rear Left Right N/O/S A2465406809
PLN 47.95
Delivery - Wed, Jan 14
If paid before 14:00
Part no. A1769980001
Door Wiring Plug Mercedes W176 W246 Cable Lead Connector A1769980001
PLN 47.95
Delivery - Wed, Jan 14
If paid before 14:00
Part no. 9217234
Module Bracket BMW X3 F25 X4 F26 Control Unit Holder Carrier 9217234
PLN 94.95
Free delivery - Wed, Jan 14
If paid before 14:00
Part no. 3Q1959435C
Seat Ibiza KJ1 Keyless Go Control Unit Module ECU 3Q1959435C
PLN 569.95
Free delivery - Wed, Jan 14
If paid before 14:00
Part no. 8485065
BMW G11 G12 G14 G15 G16 G30 G31 G32 G38 Positive Battery Cable Wire 8485065
PLN 189.95
Free delivery - Wed, Jan 14
If paid before 14:00
Part no. 8N0906018CB
Audi TT 8N 1.8T BAM 224HP Quattro Engine Control Unit ECU 8N0906018CB Manual
PLN 607.95
Free delivery - Wed, Jan 14
If paid before 14:00
Part no. 6968651
BMW 3 Series E93 Cabrio Rear Left N/S Aerial Antenna Unit AM/FM 6968651
PLN 132.95
Free delivery - Wed, Jan 14
If paid before 14:00
Part no. A0035453501
Mercedes Vaneo W414 Sprinter W901 W902 W903 Fuse Box Battery A0035453501
PLN 42.95
Delivery - Wed, Jan 14
If paid before 14:00
Part no. 9257093
Mini Navigation Head Unit R55 R56 R57 LCI R60 R61 CHAMP 2 Sat Nav DAB 9257093
PLN 1,423.95
Free delivery - Wed, Jan 14
If paid before 14:00
Part no. A2229063701
Fuse Box Mercedes W205 W222 Electrical Relay Box Module Unit A2229063701
PLN 75.95
Free delivery - Wed, Jan 14
If paid before 14:00
Part no. 04L907309K-1
Audi Q3 8U 2.0 TDI Quattro Engine ECU Kit 04L907309K Ignition + Key
PLN 664.95
Free delivery - Wed, Jan 14
If paid before 14:00
Part no. A1775405101
Door Wiring Mercedes V177 Rear Door Right Left N/O/S Harness Wire A1775405101
PLN 66.95
Free delivery - Wed, Jan 14
If paid before 14:00
Part no. 1742690-1
BMW E60 E81 E87 E90 E91 X3 E83 Relay Changer Make Contact Salmon Red Set 1742690
PLN 42.95
Delivery - Wed, Jan 14
If paid before 14:00
Part no. 9335300
BMW 1 Series F20 LCI Front Door Wiring Loom Harness Passengers Side 9335300
PLN 56.95
Delivery - Wed, Jan 14
If paid before 14:00
Part no. 8P0862335S
Audi S3 8P Interface Bluetooth Control Module Harman Becker ECU 8P0862335S
PLN 61.95
Free delivery - Wed, Jan 14
If paid before 14:00
Part no. 9153418-1
BMW 5 Series F10 F11 B Plus Distributor Box Front Battery Cable Unit 9153418
PLN 42.95
Delivery - Wed, Jan 14
If paid before 14:00
Part no. 9130047
BMW 3 4 5 Series E92 F32 E61 LCPA Seat Belt Module ECU
PLN 85.95
Free delivery - Wed, Jan 14
If paid before 14:00
Part no. 4H0907182H
Audi A8 D4 4H Front Seat Backrest Control Module Unit ECU 4H0907182H
PLN 170.95
Free delivery - Wed, Jan 14
If paid before 14:00
Part no. A1715400506
Mercedes SLK R171 Rear Bumper PDC Wiring Parking Sensor Loom Harness A1715400506
PLN 170.95
Free delivery - Wed, Jan 14
If paid before 14:00
Part no. 6836210
Telematics Control Unit Mini F54 F55 F56 F57 F60 Module 84106836210 6836210
PLN 61.95
Free delivery - Wed, Jan 14
If paid before 14:00
Part no. A2829003300-1
Mercedes W177 A180 282.914 136HP Petrol ECU Kit A2829003300 Key BCM Automatic
PLN 1,044.95
Free delivery - Wed, Jan 14
If paid before 14:00
Part no. A2218200210
Mercedes W221 Seat Occupancy Mat Control Unit Sensor A2218200210
PLN 142.95
Free delivery - Wed, Jan 14
If paid before 14:00
Part no. A1679004511
Door Module Mercedes W205 W213 C253 Rear Left N/S Control Unit ECU A1679004511
PLN 265.95
Free delivery - Wed, Jan 14
If paid before 14:00
Part no. NU5T-14B531-JA
VW Amarok Mk2 Door Module Control Unit Front Rear Driver's Side NU5T-14B531-JA
PLN 189.95
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 .