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.
Make
Category
Subcategory
Condition
In Stock
Price
Part no. 6905921
BMW 3 5 7 X5 E39 E46 E53 E65 GPS Receiver Control Unit Module Japan 6905921
€32.95
Free delivery - Mon, Dec 29
If paid before 14:00
Part no. A0025421219
Mercedes W168 W203 W211 Relay 6-Pin Black Tyco A0025421219
€23.95
Free delivery - Mon, Dec 29
If paid before 14:00
Part no. A1718300272
Mercedes A B ML Class W166 W169 W245 Interior Temperature Sensor A1718300272
€23.95
Free delivery - Mon, Dec 29
If paid before 14:00
Part no. A4145400130
Mercedes-Benz Vaneo W414 Cable Starter Line Positive Line Battery A4145400130
€23.95
Free delivery - Mon, Dec 29
If paid before 14:00
Part no. 5K0959793C
Skoda Octavia RS 1Z Door Module Control Unit ECU 5K0959793C
€56.95
Free delivery - Mon, Dec 29
If paid before 14:00
Part no. 6C4971694E
VW Volkswagen Polo 6R Rear Door Cable Harness Wiring Loom Right O/S 6C4971694E
€23.95
Free delivery - Mon, Dec 29
If paid before 14:00
Part no. 6819329
KaFAS Camera BMW i3 I01 F10 F20 F30 LCI Speed Control ECU Module Unit 6819329
€28.95
Free delivery - Mon, Dec 29
If paid before 14:00
-5%
Part no. 3455305-1
2 x Mini R57 R58 R59 DWA Door Alarm System Module Control Unit Set 3455305
Promo price
€23.95
€22.75
Free delivery - Mon, Dec 29
If paid before 14:00
-5%
Part no. A2059051106
Mercedes W205 Antenna Aerial Amplifier Module Receiver AMP Unit A2059051106
Promo price
€23.95
€22.75
Free delivery - Mon, Dec 29
If paid before 14:00
Part no. 9383176
BMW F20 F30 F34 BCM FEM BSI Body Control Module Unit 9383176
€113.95
Free delivery - Mon, Dec 29
If paid before 14:00
Part no. 6850424
BMW X3 F25 ICM Air Module Control Unit SRS ECU 6850424
€61.95
Free delivery - Mon, Dec 29
If paid before 14:00
Part no. 8W0907159J
Audi A4 B9 A5 F5 Impact Sound Actuator Control Module 8W0907159J
€42.95
Free delivery - Mon, Dec 29
If paid before 14:00
Part no. 7610009-5
Mini Cooper S R55 R56 N14 1.6 174HP Engine Control ECU Kit DME 7610009 Manual
€450.95
Free delivery - Mon, Dec 29
If paid before 14:00
Part no. 6879833
Air Module BMW F20 F21 F22 F30 F31 ECU ICM Control Unit ECU 6879833
€23.95
Free delivery - Mon, Dec 29
If paid before 14:00
Part no. 9247467-1
BMW E92 LCI Body Control Module Unit PL2RR JBBFE L1 61359247467 9247467
€23.95
Free delivery - Mon, Dec 29
If paid before 14:00
Part no. A2118705726
Air Module Mercedes W211 C219 Air System Control Unit ECU A2118705726
€23.95
Free delivery - Mon, Dec 29
If paid before 14:00
Part no. A2389007704
Communication Module Mercedes W205 W213 C253 Hermes LTE Control Unit A2389007704
€113.95
Free delivery - Mon, Dec 29
If paid before 14:00
Part no. 03G903139D
Audi A4 B7 Engine Alternator Mount Support Bracket 1.9 2.0 TDI 03G903143D
€23.95
Free delivery - Mon, Dec 29
If paid before 14:00
Part no. 8K0971687S
Audi A4 B8 Door Wiring Harness Loom Rear Left N/S Cabling 8K0971687S
€32.95
Free delivery - Mon, Dec 29
If paid before 14:00
Part no. A0001594942
Mercedes-Benz C-Class W203 M111 Ignition Coil Cable Connector A0001594942
€23.95
Free delivery - Mon, Dec 29
If paid before 14:00
Part no. 8573260-10
BMW F20 F21 116d Diesel N47N 116HP ECU Kit DDE 8573260 + Keys + FEM Manual
€332.95
Free delivery - Mon, Dec 29
If paid before 14:00
Part no. 1439740
BMW X5 E53 Cable Starter-Base B Electrical Cable Wiring 3.0i M54 Petrol 1439740
€23.95
Free delivery - Mon, Dec 29
If paid before 14:00
-5%
Part no. A2059006615
Mercedes W205 Windscreen Rain Sensor Front Control Unit A2059006615
Promo price
€23.95
€22.75
Free delivery - Mon, Dec 29
If paid before 14:00
Part no. 7527610-13
MINI One R50 W10 90HP Engine ECU Control Unit Module DME 7527610 Automatic
€28.95
Free delivery - Mon, Dec 29
If paid before 14:00
Part no. 7843332
Engine Wiring BMW F10 M5 F12 M6 Loom Harness Injection Valve Cyl. 5-8 7843332
€132.95
Free delivery - Mon, Dec 29
If paid before 14:00
Part no. A1698700689-2
Mercedes W169 W245 CD Player Radio Stereo Head Unit A1698700689
€23.95
Free delivery - Mon, Dec 29
If paid before 14:00
Part no. A2465401350
Fuse Box Mercedes W156 W176 W246 Front Relay Control Unit Module A2465401350
€28.95
Free delivery - Mon, Dec 29
If paid before 14:00
-5%
Part no. 3455305-2
3 x Mini R57 R58 R59 DWA Door Alarm System Module Control Unit Set 3455305
Promo price
€23.95
€22.75
Free delivery - Mon, Dec 29
If paid before 14:00
Part no. A0009068706
Mercedes W205 C43 Alternator Generator VALEO 200A 3.0 Petrol A0009068706
€113.95
Free delivery - Mon, Dec 29
If paid before 14:00
Part no. 9117801
Battery Bracket BMW X3 G01 X4 G02 Rear Holder Mount Carrier Support 9117801
€28.95
Free delivery - Mon, Dec 29
If paid before 14:00
Part no. A2044401705
Mercedes S204 Door Wiring Loom Cable Rear Left Right N/O/S A2044401705
€23.95
Free delivery - Mon, Dec 29
If paid before 14:00
Part no. 9343287
BMW i3 I01 Mini F56 Air Conditioning System A/C Control Unit Module 9343287
€75.95
Free delivery - Mon, Dec 29
If paid before 14:00
Part no. 8K0959793Q
Audi A4 B8 Door Module Control Unit ECU Front Driver's Side 8K0959793Q
€28.95
Free delivery - Mon, Dec 29
If paid before 14:00
Part no. A6421509478
Mercedes ML W164 OM642 Diesel Engine Control Unit Module ECU A6421509478
€189.95
Free delivery - Mon, Dec 29
If paid before 14:00
Part no. 6929916
BMW E63 E64 Rear Bumper PDC Cables Set Wiring Loom Harness 6929916
€32.95
Free delivery - Mon, Dec 29
If paid before 14:00
Part no. 8T0035223AP
Audi A4 S4 B8 Audio Amplifier Sound Booster Control Unit Module 8T0035223AP
€189.95
Free delivery - Mon, Dec 29
If paid before 14:00
Part no. A2048708626
Mercedes W212 Media Interface Control Module Unit ECU A2048708626
€23.95
Free delivery - Mon, Dec 29
If paid before 14:00
Part no. A2229067403
Mercedes W177 W247 M260 Exhaust Control Valve Flap Actuator Drive A2229067403
€170.95
Free delivery - Mon, Dec 29
If paid before 14:00
Part no. 8654635
Mini Cooper S F55 F56 Petrol Positive Battery Alternator Starter Cable 8654635
€23.95
Free delivery - Mon, Dec 29
If paid before 14:00
-5%
Part no. A0045450405
Mercedes W169 W203 W639 W906 Relay 5-Pins Green Control Unit 12V A0045450405
Promo price
€23.95
€22.75
Free delivery - Mon, Dec 29
If paid before 14:00
Part no. A0005457616
Mercedes R171 VDO Transmission Control Unit Module EGS A0005457616
€89.95
Free delivery - Mon, Dec 29
If paid before 14:00
Part no. 9196935
Seat Module BMW X1 E84 E87 E90 E91 Seating Control Unit ECU 9196935
€28.95
Free delivery - Mon, Dec 29
If paid before 14:00
Part no. 6904620
BMW 7 Series E65 E66 Diversity Antenna Tuner Amplifier Wiring 6904620
€23.95
Free delivery - Mon, Dec 29
If paid before 14:00
-5%
Part no. 3C0937125A
Volkswagen Tiguan 5N Engine Bay Fuse Relay Box Terminal 3C0937125A
Promo price
€23.95
€22.75
Free delivery - Mon, Dec 29
If paid before 14:00
Part no. 7633242-1
BMW F10 F20 F30 Integrated Relay Power Supply Module Distribution Box 7633242
€23.95
Free delivery - Mon, Dec 29
If paid before 14:00
Part no. 5WA980653C
Audi A3 S3 RS3 8Y Front Camera FAS Lane Assistance Control Unit 5WA980653C
€94.95
Free delivery - Mon, Dec 29
If paid before 14:00
Part no. 8K0971765E
Audi A4 B8 AdBlue Tank Wiring Harness Loom Cable 8K0971765E
€23.95
Free delivery - Mon, Dec 29
If paid before 14:00
Part no. 04L907309A-1
Audi A3 8V 2.0 TDI CRLB 150HP Engine ECU Kit Ignition + 2 Keys 04L907309A Manual
€284.95
Free delivery - Mon, Dec 29
If paid before 14:00
Part no. A2129009916
Mercedes S212 Rear Tailgate Boot Trunk Lid Control Module Unit A2129009916
€23.95
Free delivery - Mon, Dec 29
If paid before 14:00
-5%
Part no. A2469009413-1
Mercedes W176 W246 Control Unit Body Control Module ECU A2469009413
Promo price
€23.95
€22.75
Free delivery - Mon, Dec 29
If paid before 14:00
Part no. 3455306-2
4 x Mini R57 Cabrio Convertible DWA Door Alarm System Control Module Set 3455306
€23.95
Free delivery - Mon, Dec 29
If paid before 14:00
Part no. 8789891
BMW F87 M2 LCI Electric Front Bumper Wiring Harness PDC Loom Cable 8789891
€113.95
Free delivery - Mon, Dec 29
If paid before 14:00
Part no. A0025421419
Mercedes W163 W169 W203 W210 Relay 5-Pin Yellow TYCO A0025421419
€23.95
Free delivery - Mon, Dec 29
If paid before 14:00
Part no. 8719905
BMW X3 G01 X4 G02 Wireless Charger Centre Console Phone Module Unit 8719905
€47.95
Free delivery - Mon, Dec 29
If paid before 14:00
Part no. X3E83REARWIRINGLOOMPDC
BMW X3 E83 Rear Bumper Wiring Loom PDC Harness Parking Sensor
€23.95
Free delivery - Mon, Dec 29
If paid before 14:00
Part no. A9075407312
Mercedes W907 Battery Fuse Box Positive Distribution Terminal A2479061803
€56.95
Free delivery - Mon, Dec 29
If paid before 14:00
Part no. 6926445
BMW 5 Series E60 E61 LCI Heated Front Seat Control Module 6926445 9182128
€32.95
Free delivery - Mon, Dec 29
If paid before 14:00
Part no. 6919812
BMW E60 E65 E66 E67 Front Seat Sensor Mat 6919812
€28.95
Free delivery - Mon, Dec 29
If paid before 14:00
Part no. 8581370-1
BMW F40 Mini Cooper F56 F57 F60 Bracket Control Unit Box Engine 8581370
€23.95
Free delivery - Mon, Dec 29
If paid before 14:00
Part no. 6882969
BMW F20 F21 F30 F31 ECU ICM Plus Control Unit Module Air Module 6882969
€32.95
Free delivery - Mon, Dec 29
If paid before 14:00
Part no. 8573257-1
BMW F20 F30 F32 120d 320d 420d Diesel N47N 184HP ECU Kit DDE 8573257 Automatic
€142.95
Free delivery - Mon, Dec 29
If paid before 14:00
Part no. 6990090
BMW E61 E63 E90 E92 F06 Mini R55 R56 Trap Circuit Antenna 6990090
€23.95
Free delivery - Mon, Dec 29
If paid before 14:00
Part no. E81 E87 Wiring Loom Set PDC rear
BMW 1 Series 1 E81 E87 Wiring Loom Set PDC Rear Complete Harness Parking Sensor
€28.95
Free delivery - Mon, Dec 29
If paid before 14:00
Part no. 4H0907247
Audi A6 4G Keyless Entry Aerial Antenna Control Unit Module 4H0907247
€23.95
Free delivery - Mon, Dec 29
If paid before 14:00
Part no. 9354457
BMW F20 F30 F31 F32 Front Seat Control Unit Module ECU 9354457
€61.95
Free delivery - Mon, Dec 29
If paid before 14:00
-5%
Part no. 51871158
Vauxhall Combo Fiat Doblo Positive Battery Cable Lead Wire 51871158
Promo price
€23.95
€22.75
Free delivery - Mon, Dec 29
If paid before 14:00
Part no. 04L907309G-1
Volkswagen New Beetle 2.0 TDI CUUA 110HP Engine Unit ECU Kit 04L907309G Manual
€222.95
Free delivery - Mon, Dec 29
If paid before 14:00
-5%
Part no. 3455306-1
2 x Mini R57 Cabrio Convertible DWA Door Alarm System Control Module Set 3455306
Promo price
€23.95
€22.75
Free delivery - Mon, Dec 29
If paid before 14:00
-5%
Part no. A0009002414
Module Fuel Pump Mercedes W205 C253 Control Module Unit A0009002414
Promo price
€23.95
€22.75
Free delivery - Mon, Dec 29
If paid before 14:00
Part no. A2129014204
Mercedes-Benz W212 ECU Control Unit Sensor Module Airbag A2129014204
€37.95
Free delivery - Mon, Dec 29
If paid before 14:00
Part no. 8518568-4
BMW F20 F30 F32 120d 320d 420d N47N 184HP Engine Unit ECU DDE 8518568 Automatic
€89.95
Free delivery - Mon, Dec 29
If paid before 14:00
Part no. 9266383
Display Screen BMW F12 F13 Central Information Monitor 10" Multimedia 9266383
€142.95
Free delivery - Mon, Dec 29
If paid before 14:00
Part no. 8516739-6
Mini SD R56 LCI R60 143HP N47N Engine ECU Kit DDE 8516739 + CAS3 + Key, Manual
€227.95
Free delivery - Mon, Dec 29
If paid before 14:00
Part no. 8586540-5
BMW F30 F32 LCI 330d 430d N57N 258HP Control Unit ECU Kit DDE 8586540 FEM Key
€398.95
Free delivery - Mon, Dec 29
If paid before 14:00
Part no. 8506444-3
BMW E90 E91 LCI E92 330d Diesel N57 245HP ECU Engine Kit DDE 8506444 CAS3 + Key
€256.95
Free delivery - Mon, Dec 29
If paid before 14:00
-5%
Part no. A2135409616
Mercedes Sprinter W910 Battery Sensor Negative Terminal Cable Wiring A2135409616
Promo price
€23.95
€22.75
Free delivery - Mon, Dec 29
If paid before 14:00
Part no. 8510221-16
BMW E90 E91 E92 LCI 325d Diesel N57 204HP ECU Engine Module DDE 8510221 Manual
€104.95
Free delivery - Mon, Dec 29
If paid before 14:00
Part no. A2055409750
Door Harness Mercedes W205 Rear Left N/S Door Wiring Loom A2055409750
€32.95
Free delivery - Mon, Dec 29
If paid before 14:00
Part no. 8638585
BMW F20 F21 F30 F31 LCI Cable Alternator-Starter-Base B+ 8638585
€23.95
Free delivery - Mon, Dec 29
If paid before 14:00
Part no. 6940763
BMW 7 Series E65 E66 E67 Ultra Sonic-Module 6940763
€23.95
Free delivery - Mon, Dec 29
If paid before 14:00
Part no. 7L0971767
Volkswagen Touareg 7L Washer Reservoir Bottle Wiring Harness Loom 7L0971767
€23.95
Free delivery - Mon, Dec 29
If paid before 14:00
Part no. 6982348
BMW 5 Series E60 E61 Wiring Drivers Side Loom Door Cables Front Right O/S
€23.95
Free delivery - Mon, Dec 29
If paid before 14:00
Part no. A2118205885
Mercedes E-Class S-Class W211 W220 Nokia Phone Control Unit Module ECU
€23.95
Free delivery - Mon, Dec 29
If paid before 14:00
Part no. 8516739
Mini One D R56 LCI R60 90HP N47N Engine Control Unit ECU DDE 8516739 Manual
€113.95
Free delivery - Mon, Dec 29
If paid before 14:00
Part no. 4H0907383N
Porsche Macan 95B Trailer Detection Control Module Unit ECU 4H0907383N
€213.95
Free delivery - Mon, Dec 29
If paid before 14:00
Part no. 4H0971224BA
Audi A8 D4 Alternator Starter Motor Wiring Harness Cable Loom 4H0971224BA
€56.95
Free delivery - Mon, Dec 29
If paid before 14:00
Part no. N1XT-14630-TFE
VW Volkswagen Amarok NF Front Door Harness Wiring Passenger Side N1XT14630TFE
€42.95
Free delivery - Mon, Dec 29
If paid before 14:00
Part no. A0009821012
Mercedes W166 W213 C238 Power Distribution Plate Control Unit Module A0009821012
€23.95
Free delivery - Mon, Dec 29
If paid before 14:00
-5%
Part no. 9343304
BMW X5 F15 X4 F26 Antenna Aerial Diversity Trap Circuit Control Module 9343304
Promo price
€23.95
€22.75
Free delivery - Mon, Dec 29
If paid before 14:00
-5%
Part no. A6394409909
Wiring Loom Mercedes W639 Vito Cable Sliding Door Rear Left N/S A6394409909
Promo price
€23.95
€22.75
Free delivery - Mon, Dec 29
If paid before 14:00
Part no. A9079051602
Mercedes W907 Aerial Antenna Amplifier Control Unit Module A9079051602
€32.95
Free delivery - Mon, Dec 29
If paid before 14:00
Part no. A2129001529
Mercedes-Benz C E Class W204 W207 W212 Front Left Door N/S Control Unit Module
€23.95
Free delivery - Mon, Dec 29
If paid before 14:00
Part no. 6917552-BRG
Mini R50 R52 R53 Rear PDC Ultrasonic Parking Sensor British Racing Green
€23.95
Free delivery - Mon, Dec 29
If paid before 14:00
Part no. 5A37095
BMW i4 G26 Gran Coupe Electric Rear Door Wiring Harness Right Left N/O/S 5A37095
€51.95
Free delivery - Mon, Dec 29
If paid before 14:00
-5%
Part no. 8K0937517A
Audi A4 B8 A5 8T Battery Postive Terminal Distribution Power Board 8K0937517A
Promo price
€23.95
€22.75
Free delivery - Mon, Dec 29
If paid before 14:00
Part no. 7515200
Mini Cooper R50 R52 R53 Battery Wire Cable Negative Earth Lead 7515200
€23.95
Free delivery - Mon, Dec 29
If paid before 14:00
Part no. 8507906
BMW 1 3 F20 F21 F30 Engine Gearbox Wiring Harness Glow Plug Module 8507906
€23.95
Free delivery - Mon, Dec 29
If paid before 14:00
Part no. A9067601304
Mercedes-Benz Sprinter W906 Front Right Door O/S Handle Bowden Pull Cable
€23.95
Free delivery - Mon, Dec 29
If paid before 14:00
Part no. 6977982-2
Mini Cooper R50 R53 R56 R57 R60 Relay No Contact Taubenblau Blue Set 2X 6977982
€23.95
Free delivery - Mon, Dec 29
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 .