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. 6949081
BMW 1 3 Series E81 E82 E88 E92 Front Seat Easy Entry Adapter Wire Cable 6949081
PLN 37.95
Delivery - Tue, Nov 25
If paid before 14:00
Part no. 5Q0959592F
Door Module Audi A3 8V Volkswagen Golf 7 Control ECU Front Left N/S 5Q0959592F
PLN 42.95
Delivery - Tue, Nov 25
If paid before 14:00
Part no. 6962723
BMW E60 Light Control Unit Module LME6X MAN.LWR Lear 6962723
PLN 61.95
Free delivery - Tue, Nov 25
If paid before 14:00
Part no. A2098209810
Mercedes CLK A209 Cabrio Alarm Anti Theft System Control Module Unit A2098209810
PLN 80.95
Free delivery - Tue, Nov 25
If paid before 14:00
Part no. 7852144
BMW F10 M5 F12 M6 Ignition Engine Wiring Harness Ignition Module Cyl.1-4 7852144
PLN 284.95
Free delivery - Tue, Nov 25
If paid before 14:00
Part no. 4F1971687S
Audi A6 C6 Rear Door Wiring Left Right N/O/S Harness Loom Cable 4F1971687S
PLN 42.95
Delivery - Tue, Nov 25
If paid before 14:00
Part no. 9166869
Mini Cooper R56 Hands-free Electronics Charging MULF2 9166869
PLN 284.95
Free delivery - Tue, Nov 25
If paid before 14:00
Part no. 9325656
BMW F20 F21 F22 F30 F31 F32 Body Control Module Unit FEM ECU LR01 9325656
PLN 237.95
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If paid before 14:00
Part no. 5WA959436J-1
Audi A3 RS3 8Y Keyless Go Module ECU Entry Control Unit 5WA959436J
PLN 113.95
Free delivery - Tue, Nov 25
If paid before 14:00
Part no. A1775408457
Mercedes W118 W177 Alternator Earth Cable Wiring Harness Loom A1775408457
PLN 341.95
Free delivery - Tue, Nov 25
If paid before 14:00
Part no. A2165420018
Yaw Rate Sensor Mercedes W169 W245 W211 W219 Turn Rate Sensor A2165420018
PLN 61.95
Free delivery - Tue, Nov 25
If paid before 14:00
Part no. A0025450901
Mercedes W169 W245 W906 Fuse Holder Electrical Fuse Box Bracket A0025450901
PLN 42.95
Delivery - Tue, Nov 25
If paid before 14:00
Part no. 9383181
BMW F20 F21 F22 F30 F31 F32 F36 Fuse Box Body Module Control Unit FEM 9383181
PLN 474.95
Free delivery - Tue, Nov 25
If paid before 14:00
Part no. A2129003408
Mercedes W204 W221 Fuel Pump Module Control Unit A2129003408
PLN 93.95
Free delivery - Tue, Nov 25
If paid before 14:00
Part no. 4F0959655B
Audi A6 C6 Air Module Control Unit ECU Module 4F0959655B
PLN 42.95
Delivery - Tue, Nov 25
If paid before 14:00
Part no. 8578945-2
BMW F20 F21 F30 F31 116d 316d N47N 116HP ECU Kit DDE 8578945 Key FEM Lock Manual
PLN 1,424.95
Free delivery - Tue, Nov 25
If paid before 14:00
Part no. 9166542
BMW E92 HDD Navigation Reader System Module Unit ZB CE3 Navi JAPAN 9166542
PLN 189.95
Free delivery - Tue, Nov 25
If paid before 14:00
Part no. A2205400031
Mercedes A B S Class W169 W220 W245 Battery Lead Cable Negative A2205400031
PLN 42.95
Delivery - Tue, Nov 25
If paid before 14:00
Part no. 8C11-3C190-AB
Ford Transit Yaw Sensor ESP Rotation Rate Control Unit Module 8C11-3C190-AB
PLN 47.95
Delivery - Tue, Nov 25
If paid before 14:00
Part no. 55571379
Vauxhall Opel Insignia A Diesel Crankshaft Level Sensor Wiring Loom 55571379
PLN 75.95
Free delivery - Tue, Nov 25
If paid before 14:00
Part no. A2474703702
Mercedes W177 W247 Solenoid Valve Line Pipe Hose Starter A2474703702
PLN 94.95
Free delivery - Tue, Nov 25
If paid before 14:00
Part no. A2135409616-1
Mercedes Sprinter W910 Battery Sensor Negative Terminal Cable Wiring A2135409616
PLN 123.95
Free delivery - Tue, Nov 25
If paid before 14:00
Part no. 7583526-1
BMW X3 Series E83 2.5si N52N 218HP Engine ECU Kit DME + Key 7583526 Manual
PLN 1,614.95
Free delivery - Tue, Nov 25
If paid before 14:00
Part no. 3Q0907530BF
VW Polo Mk6 Seat Ibiza Mk5 Central Gateway Control Unit Relay ECU 3Q0907530BF
PLN 379.95
Free delivery - Tue, Nov 25
If paid before 14:00
Part no. A4475400010
Mercedes Vito W447 Battery Cable Alternator Wiring Diesel OM651 A4475400010
PLN 123.95
Free delivery - Tue, Nov 25
If paid before 14:00
Part no. 9314237
BMW F20 F21 F22 F30 F31 F32 F36 Module Control Unit FEM 9314237
PLN 189.95
Free delivery - Tue, Nov 25
If paid before 14:00
Part no. A0009062822-1
Mercedes W207 W212 W906 Engine Diesel 200A 14V Alternator Generator LRA03818
PLN 436.95
Free delivery - Tue, Nov 25
If paid before 14:00
Part no. F1FT10C679BA
Ford Transit Mk7 V Negative Battery Terminal Cable Wiring F1FT10C679BA
PLN 42.95
Delivery - Tue, Nov 25
If paid before 14:00
Part no. 8580390
Engine Starter BMW F40 F46 F48 B47B B47D B48E Diesel Motor Actuator 8580390
PLN 85.95
Free delivery - Tue, Nov 25
If paid before 14:00
Part no. A2115455332
Mercedes C219 SAM Module Comfort Control Unit A2115455332
PLN 61.95
Free delivery - Tue, Nov 25
If paid before 14:00
Part no. 6974890-MYS
BMW E87 E90 E91 LCI PDC Ultrasonic Parking Sensor Mysticblau Blue - A07
PLN 42.95
Delivery - Tue, Nov 25
If paid before 14:00
Part no. 5A5D3C0
Keyless Entry BMW F40 G20 G21 G30 G31 Comfort Access Antenna 5A5D3C0
PLN 42.95
Delivery - Tue, Nov 25
If paid before 14:00
Part no. 8585729
BMW 3 Series F30 320d N47N Engine Gearbox Module Wiring Loom Harness Cables Set
PLN 237.95
Free delivery - Tue, Nov 25
If paid before 14:00
Part no. A6519007401-1
Mercedes W212 E250CDI Blue Efficiency OM651 204HP Engine ECU A6519007401 Key
PLN 1,329.95
Free delivery - Tue, Nov 25
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 - Tue, Nov 25
If paid before 14:00
Part no. 9247470
BMW E90 LCI Junction Box Body Control Module Unit 9247470
PLN 94.95
Free delivery - Tue, Nov 25
If paid before 14:00
Part no. 3WA959595A
Audi A3 RS3 8V Door Control Unit ECU Module Front Driver's Side 3WA959595A
PLN 237.95
Free delivery - Tue, Nov 25
If paid before 14:00
Part no. 6949229-2
4 x Mini R52 Convertible DWA Door Alarm System Module Control Unit Set 6949229
PLN 56.95
Delivery - Tue, Nov 25
If paid before 14:00
Part no. 4H0907247
Audi A6 4G Keyless Entry Aerial Antenna Control Unit Module 4H0907247
PLN 42.95
Delivery - Tue, Nov 25
If paid before 14:00
Part no. KCR11
Chip Power Chiptuning Box CRS KCR11 Control Unit Module Tuning Set
PLN 332.95
Free delivery - Tue, Nov 25
If paid before 14:00
Part no. A0009060922
Alternator Mercedes W212 W447 X253 C238 Petrol M274 150A Bosch A0009060922
PLN 237.95
Free delivery - Tue, Nov 25
If paid before 14:00
Part no. 9194824
BMW Z4 E89 Convertible Roadster Air Module ECU Control Unit 9194824
PLN 332.95
Free delivery - Tue, Nov 25
If paid before 14:00
Part no. A9079053907
Mercedes Sprinter W907 W910 Battery Sensor Cable Negative Terminal A9079053907
PLN 75.95
Free delivery - Tue, Nov 25
If paid before 14:00
Part no. 7L0937576B
Audi Q7 4L Fuse Box Trim Cover Panel Electrical Unit Housing 7L0937576B
PLN 42.95
Delivery - Tue, Nov 25
If paid before 14:00
Part no. 057911024
Audi A4 B9 A5 F5 Q7 4M Q5 FY VW Volkswagen Touareg Mk3 Starter Motor 057911024
PLN 160.95
Free delivery - Tue, Nov 25
If paid before 14:00
Part no. 8507880
BMW 1 3 Series F20 F21 F30 F31 N47N Wiring Loom Harness Engine Gearbox Module
PLN 93.95
Free delivery - Tue, Nov 25
If paid before 14:00
Part no. 6989069
BMW X3 X5 E53 E60 E61 E83 PDC Parking Sensor Ultrasonic Schwarz Black 6989069
PLN 42.95
Delivery - Tue, Nov 25
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 - Tue, Nov 25
If paid before 14:00
Part no. 8736682
BMW i3 I01 Body Domain Comfort Control Unit BDC Module ECU 8736682
PLN 1,139.95
Free delivery - Tue, Nov 25
If paid before 14:00
Part no. 4H0959792G
Audi A8L 4H Front Door Control Module Left N/S Unit ECU 4H0959792G
PLN 94.95
Free delivery - Tue, Nov 25
If paid before 14:00
Part no. 8K0907637C
Yaw Sensor Audi A4 B8 A5 8T ESP Rotation Rate Unit Module 8K0907637C
PLN 42.95
Delivery - Tue, Nov 25
If paid before 14:00
Part no. 8067511
BMW F98 Adapter Cable Wiring RBS Rear Axle 8067511
PLN 75.95
Free delivery - Tue, Nov 25
If paid before 14:00
Part no. A1779005505
Door Module Mercedes W177 W247 Rear Left Right N/O/S Control Unit A1779005505
PLN 61.95
Free delivery - Tue, Nov 25
If paid before 14:00
Part no. 9149835
BMW X5 E70 Front Seat Control Unit Module Driver's Side 9149835
PLN 246.95
Free delivery - Tue, Nov 25
If paid before 14:00
Part no. 022971615B
Audi TT 8J 3.2 V6 BUB Ignition Wiring Harness Guide Trim 022971615B
PLN 237.95
Free delivery - Tue, Nov 25
If paid before 14:00
Part no. 8509910
BMW X3 F25 X4 F26 Engine Electronics Control Unit Box Cover Trim 8509910
PLN 42.95
Delivery - Tue, Nov 25
If paid before 14:00
Part no. A2465452840
Mercedes-Benz A B W176 W246 Control Module Housing Bracket Mount A2465452840
PLN 42.95
Delivery - Tue, Nov 25
If paid before 14:00
Part no. 8658275
Mini Cooper One F54 F55 F56 F57 F60 Starter Motor Engine Petrol 8658275
PLN 189.95
Free delivery - Tue, Nov 25
If paid before 14:00
Part no. A2215450601
Mercedes W221 Dashboard Fuse Box Front Left N/S Control Module A2215450601
PLN 75.95
Free delivery - Tue, Nov 25
If paid before 14:00
Part no. 9280186
BMW 5 7 Series F10 F11 F01 F02 F03 LCI Airbag Control Module ECU Unit 9280186
PLN 94.95
Free delivery - Tue, Nov 25
If paid before 14:00
Part no. 8K0951253-1
Audi VW Volkswagen Seat Relay 643 Unit Module 4 Pins Set X2 8K0951253
PLN 61.95
Free delivery - Tue, Nov 25
If paid before 14:00
Part no. 8574095-2
BMW F20 F21 F30 116d 316d Diesel N47N Engine ECU DDE 8574095 Key Lock FEM Manual
PLN 949.95
Free delivery - Tue, Nov 25
If paid before 14:00
Part no. 6791372
Mini Cooper R55 R56 R57 LCI Steering Wheel Driver's Side Air Module 6791372
PLN 123.95
Free delivery - Tue, Nov 25
If paid before 14:00
Part no. 9361589
BMW 2 F45 Active Tourer Door Wiring Loom Harness Cable Driver's Side 9361600
PLN 142.95
Free delivery - Tue, Nov 25
If paid before 14:00
Part no. 7556846
Battery Cable BMW E82 E90 E91 E92 N54 Alternator Starter Base B Cable 7556846
PLN 142.95
Free delivery - Tue, Nov 25
If paid before 14:00
Part no. 9177983
BMW E87 LCI Body Control Module Junction Box H2 9177983
PLN 42.95
Delivery - Tue, Nov 25
If paid before 14:00
Part no. A2535401001
Battery Cable Mercedes C238 C253 Starter Alternator Wiring Harness A2535401001
PLN 142.95
Free delivery - Tue, Nov 25
If paid before 14:00
Part no. 7527610
Mini Cooper R50 W10 116HP Petrol Engine Control Unit ECU DME 7527610 Automatic
PLN 56.95
Delivery - Tue, Nov 25
If paid before 14:00
Part no. 06E971627M
Fuel Injector Wiring Audi S4 B8 A6 A7 C7 4G 3.0 V6 TFSI Wiring Cable 06E971627M
PLN 61.95
Free delivery - Tue, Nov 25
If paid before 14:00
Part no. 6923215
BMW E46 Inclination Indicator Alarm Tilt Sensor Module 6923215
PLN 42.95
Delivery - Tue, Nov 25
If paid before 14:00
Part no. 6796503
BMW F07 GT ICM Integrated Module Chassis Management QL ES Control Unit 6796503
PLN 42.95
Delivery - Tue, Nov 25
If paid before 14:00
Part no. 9362396
BMW F20 REM Rear Electronic Module Fuse Box Control Unit V3 9362396
PLN 61.95
Free delivery - Tue, Nov 25
If paid before 14:00
Part no. 7638192
BMW F20 F21 F30 F31 N13 Petrol Engine Starter Motor Bosch 7638192
PLN 42.95
Delivery - Tue, Nov 25
If paid before 14:00
Part no. A1779002510
Mercedes W177 W247 Safety Module Air Module SRS Control Unit ECU A1779002510
PLN 522.95
Free delivery - Tue, Nov 25
If paid before 14:00
Part no. A0009822923-1
Mercedes W177 W205 W247 Relay Fuse Unit Module 4 Pins Grey SET X2 A0009822923
PLN 75.95
Free delivery - Tue, Nov 25
If paid before 14:00
Part no. 9154329
Mini Clubman R55 Cable Wiring Loom Splitdoor Door Rear Right O/S 9154329
PLN 42.95
Delivery - Tue, Nov 25
If paid before 14:00
Part no. A2129004407
Display Screen Mercedes W204 W212 Information Navigation Dashboard A2129018103
PLN 237.95
Free delivery - Tue, Nov 25
If paid before 14:00
Part no. 8U0907468G
Audi Q3 8U Gateway Interface Control Module Unit ECU 8U0907468G
PLN 61.95
Free delivery - Tue, Nov 25
If paid before 14:00
Part no. 8676222
BMW 3 F30 LCI Hybrid 330e Battery Starter Connecting Lead Cable Wiring 8676222
PLN 189.95
Free delivery - Tue, Nov 25
If paid before 14:00
Part no. 4F0919805
Audi A4 B8 Smart Card Reader Smart Card System TV 4F0919805
PLN 189.95
Free delivery - Tue, Nov 25
If paid before 14:00
Part no. A6511590246
Wiring Cable Cover Mercedes W204 W212 W906 OM651 Engine Duct Bracket A6511590246
PLN 42.95
Delivery - Tue, Nov 25
If paid before 14:00
Part no. 6973117
BMW 1 3 Series E81 E87 E90 E91 E92 E93 Parking Control Module Unit PDC 6973117
PLN 379.95
Free delivery - Tue, Nov 25
If paid before 14:00
Part no. A2711535391-2
Mercedes R171 SLK 200K 184HP M271.944 Engine ECU Kit A2711535391 Key Lock
PLN 1,044.95
Free delivery - Tue, Nov 25
If paid before 14:00
Part no. A2135409616
Mercedes Sprinter W910 Battery Sensor Negative Terminal Cable Wiring A2135409616
PLN 61.95
Free delivery - Tue, Nov 25
If paid before 14:00
Part no. 9284272
BMW F10 Body Control Module Electronic Junction Box 9284272
PLN 123.95
Free delivery - Tue, Nov 25
If paid before 14:00
Part no. 6778966
BMW X5 E70 Air Suspension Supply Control Unit Module ECU 6778966
PLN 113.95
Free delivery - Tue, Nov 25
If paid before 14:00
Part no. A6395480174
Mercedes-Benz Vito W639 Fuse Box Cooling Outlet Pipe Air Duct A6395480174
PLN 75.95
Free delivery - Tue, Nov 25
If paid before 14:00
Part no. 9337807
Door Speaker BMW F15 F16 Front Rear Loudspeaker HiFi Audio Speaker 9337807
PLN 61.95
Free delivery - Tue, Nov 25
If paid before 14:00
Part no. 9317866
BMW 3 Series F30 330e Hybrid Battery Accumulator Bracket Holder Mount 9317866
PLN 94.95
Free delivery - Tue, Nov 25
If paid before 14:00
Part no. A0131541702
Alternator Mercedes W638 OM611 Engine Alternator Generator A0131541702
PLN 283.95
Free delivery - Tue, Nov 25
If paid before 14:00
Part no. A4479009808
Mercedes Vito W447 Fuse Box Relay Control Unit Electric Module SAM 4479009808
PLN 664.95
Free delivery - Tue, Nov 25
If paid before 14:00
Part no. 9286789
BMW E88 ECU Body Control Module H4 Junction Box PL2RR JBBFE IIIR 9286789
PLN 237.95
Free delivery - Tue, Nov 25
If paid before 14:00
Part no. A2469008113
Mercedes GLE X156 4Matic Transfer Control Unit Module ECU A2469008113
PLN 113.95
Free delivery - Tue, Nov 25
If paid before 14:00
Part no. 8373946
BMW 3 Z4 Series E46 E85 E86 Cable Battery Negative
PLN 94.95
Free delivery - Tue, Nov 25
If paid before 14:00
Part no. A2769004901
Mercedes A238 Convertible E450 M276.823 Engine ECU Unit A2769004901 Automatic
PLN 1,899.95
Free delivery - Tue, Nov 25
If paid before 14:00
Part no. 8V7035225B
Audi A3 8V Antenna Amplifier Rear Right O/S 8V7035225B
PLN 94.95
Free delivery - Tue, Nov 25
If paid before 14:00
Part no. 04L907309B-3
Skoda Octavia Mk3 5E 1.6 TDI CLHA 105HP Engine ECU Kit Ignition + Key 04L907309B
PLN 218.95
Free delivery - Tue, Nov 25
If paid before 14:00
Part no. 9360357-1
Door Wiring Mini F55 F56 R60 Rear Right Left N/O/S Harness Loom Cable 9360357
PLN 85.95
Free delivery - Tue, Nov 25
If paid before 14:00
Part no. A4475400053
Mercedes Vito W447 Negative Battery Cable A4475400053
PLN 94.95
Free delivery - Tue, Nov 25
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 .