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. 6980177-2
BMW E81 E87 E90 E91 F10 F11 X5 E70 Relay Unit Green Set TYCO 5 Pins 6980177
PLN 42.95
Delivery - Mon, Nov 24
If paid before 14:00
Part no. 9139868-1
BMW X3 E83 LCI X5 E70 LCI PDC Parking Ultrasonic Sensor Black 9139868
PLN 42.95
Delivery - Mon, Nov 24
If paid before 14:00
Part no. 9247088
BMW X1 Series E84 Wiring Loom Harness Passenger Side 9233559
PLN 65.95
Free delivery - Mon, Nov 24
If paid before 14:00
Part no. 7342174
BMW X1 E84 Z4 E89 LED Xenon Headlight ECU Module 7342174 L90028076
PLN 61.95
Free delivery - Mon, Nov 24
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 - Mon, Nov 24
If paid before 14:00
Part no. 6824383
BMW 1 2 3 4 Series F20 F21 F22 F30 F31 F32 F36 Module Control Unit FEM 6824383
PLN 474.95
Free delivery - Mon, Nov 24
If paid before 14:00
Part no. 9364818
BMW Z4 E89 ECU Body Control Module Junction Box H2 PL2RR JBBFE IIIR 9364818
PLN 949.95
Free delivery - Mon, Nov 24
If paid before 14:00
Part no. 9284976
BMW F13 F12 F06 Daschboard Display Central Information Display Monitor 9284976
PLN 474.95
Free delivery - Mon, Nov 24
If paid before 14:00
Part no. 6926435
BMW 1 3 Series E87 E90 Mini R56 R57 Seat Control Unit Module Heating 6926435
PLN 28.95
Delivery - Mon, Nov 24
If paid before 14:00
Part no. 8631727-3
BMW Z4 E89 Roadster 18i N20 156HP ECU Kit DME CAS3 + Key 8631727 Manual
PLN 2,374.95
Free delivery - Mon, Nov 24
If paid before 14:00
Part no. 9259831
BMW E93 Convertible Wiring Loom Front Door Cables Cable Passenger Side 9186668
PLN 94.95
Free delivery - Mon, Nov 24
If paid before 14:00
Part no. 8663284
BMW F20 F30 F31 LCI B38 ECU Basic DME Control Unit Automatic Gearbox 8663284
PLN 1,614.95
Free delivery - Mon, Nov 24
If paid before 14:00
Part no. 8514291
Battery Cable BMW X3 F25 X4 F26 B47 Alternator Starter Base B Cable 8514291
PLN 161.95
Free delivery - Mon, Nov 24
If paid before 14:00
Part no. 3414469
BMW X3 E83 Fuse Grouping Front Stick-on Label Diagram 9267980
PLN 42.95
Delivery - Mon, Nov 24
If paid before 14:00
Part no. 9231442
BMW 2 3 4 Series F22 F30 F32 F36 Antenna Suppression Filter Aerial 9231442
PLN 42.95
Delivery - Mon, Nov 24
If paid before 14:00
Part no. 6964113
Comunication Module BMW E83 E46 EXCH Telematics Control GSM Bluetooth 6964113
PLN 161.95
Free delivery - Mon, Nov 24
If paid before 14:00
Part no. 9177983
BMW E87 LCI Body Control Module Junction Box H2 9177983
PLN 42.95
Delivery - Mon, Nov 24
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 - Mon, Nov 24
If paid before 14:00
Part no. 7849627
BMW F80 M3 F82 M4 Engine Valvetronic Wiring Cable Loom Harness 7849627
PLN 161.95
Free delivery - Mon, Nov 24
If paid before 14:00
Part no. 9293313
BMW F20 F21 F30 F31 Rear Electronic Module Fuse Box Control Unit V5 REM 9293313
PLN 142.95
Free delivery - Mon, Nov 24
If paid before 14:00
Part no. 9116543
PDC Control Unit BMW E46 Z4 E85 Mini R50 R53 Parking Unit Module 9116543
PLN 42.95
Delivery - Mon, Nov 24
If paid before 14:00
Part no. 7591534
BMW F01 F10 F20 F21 F30 F87 Integrated Supply Module Unit 7591534
PLN 47.95
Delivery - Mon, Nov 24
If paid before 14:00
Part no. 9229875
BMW 3 Series E90 LCI Body Control Module H1 PL2RR JBBFE IIIR 61359229875 9229875
PLN 141.95
Free delivery - Mon, Nov 24
If paid before 14:00
Part no. 6927572
BMW X3 E83 Z4 E85 Wiring Seat Occupancy Cable 6927572
PLN 75.95
Free delivery - Mon, Nov 24
If paid before 14:00
Part no. 7823651
BMW F10 F11 Engine Wiring Loom Cable Harness Injector Module 520d N47N 7823651
PLN 123.95
Free delivery - Mon, Nov 24
If paid before 14:00
Part no. 9136726-2
BMW Mini Cooper R55 R56 Multifuse B Battery Power Distributor Cable 9136726
PLN 18.95
Delivery - Mon, Nov 24
If paid before 14:00
Part no. 6992830
BMW F10 F20 F30 Mini F55 F56 KaFAS Camera Front Control Unit Module ECU 6992830
PLN 94.95
Free delivery - Mon, Nov 24
If paid before 14:00
Part no. 6850846
BMW F10 F11 F12 Parking Brake Unit Electric Control Module EMF 6850846
PLN 75.95
Free delivery - Mon, Nov 24
If paid before 14:00
Part no. 7555926
BMW E81 E90 E91 E60 LCI Petrol Alternator Generator 180A 7550968
PLN 180.95
Free delivery - Mon, Nov 24
If paid before 14:00
Part no. 9157158
BMW E60 E61 LCI E63 E64 Body Gateway Module ECU Control Unit 9157158
PLN 42.95
Delivery - Mon, Nov 24
If paid before 14:00
Part no. 7473684
Door Cable BMW F25 F26 Right O/S Wiring Loom Harness Handle Light Lamp 7252538
PLN 42.95
Delivery - Mon, Nov 24
If paid before 14:00
Part no. 9279822
BMW F20 F21 F30 F31 F32 Rear Body Control Unit Module REM 9279822
PLN 142.95
Free delivery - Mon, Nov 24
If paid before 14:00
Part no. 8512499-10
BMW X1 E84 18d N47 ECU Engine Control Unit Kit DDE 8512499 CAS3 + Key Manual
PLN 949.95
Free delivery - Mon, Nov 24
If paid before 14:00
Part no. 6940588
BMW 5 Series E60 E61 Alarm System Unit Ultra Sonic Module 6940588
PLN 47.95
Delivery - Mon, Nov 24
If paid before 14:00
Part no. 5A08530
Fuel Pump Control BMW G30 G12 Mini F60 Tank Function Module Unit ECU 5A08530
PLN 113.95
Free delivery - Mon, Nov 24
If paid before 14:00
Part no. 9387266
FEM Module BMW F23 F36 Body Control Unit ECU LR01 9387266
PLN 569.95
Free delivery - Mon, Nov 24
If paid before 14:00
Part no. 6943771
BMW 1 Series E87 CAS2 ECU Control Unit Key Reading Module 6943771
PLN 28.95
Delivery - Mon, Nov 24
If paid before 14:00
Part no. 3412574
BMW X3 Series E83 Rear Left Right Door N/O/S Wiring Loom Cables 3412574
PLN 37.95
Delivery - Mon, Nov 24
If paid before 14:00
Part no. 6946106
BMW 7 E65 E66 Passenger Seat Airbag Sensor Control Unit Module 6946106 6970899
PLN 42.95
Delivery - Mon, Nov 24
If paid before 14:00
Part no. 6824116
BMW 3 F30 LCI 330e Hybrid High Voltage Battery Wiring Inverter Cable 6824116
PLN 379.95
Free delivery - Mon, Nov 24
If paid before 14:00
Part no. 8518268-2
BMW E90 E91 LCI 318d Diesel 143HP N47N ECU Kit DDE 8518268 + CAS3 + Key Manual
PLN 664.95
Free delivery - Mon, Nov 24
If paid before 14:00
Part no. 6940623
BMW 1 3 Series E81 E82 E84 E87 E90 E91 PDC Parking Ultrasonic Sensor Quartz Blue
PLN 61.95
Free delivery - Mon, Nov 24
If paid before 14:00
Part no. 9174269-1
BMW F07 F10 F11 Speakers Amplifier Bracket Holder Mount Unit Module 9174269
PLN 75.95
Free delivery - Mon, Nov 24
If paid before 14:00
Part no. 6989136-1
BMW E60 E61 E63 PDC Rear Parking Sensor Ultrasonic Titangrau II - A08 6989136
PLN 113.95
Free delivery - Mon, Nov 24
If paid before 14:00
Part no. 9221825
BMW E70 E71 Car Infotainment Multimedia Computer Head Unit 9221825
PLN 1,424.95
Free delivery - Mon, Nov 24
If paid before 14:00
Part no. 6958358
BMW 5 X5 Series E39 E53 Hands-free Electronics Charging Module MULF 6958358
PLN 188.95
Free delivery - Mon, Nov 24
If paid before 14:00
Part no. 7619136
BMW E84 F25 F26 N20 Engine Sensor Module Wiring Cable Loom Harness 7619136
PLN 237.95
Free delivery - Mon, Nov 24
If paid before 14:00
Part no. 9166897
Audio Amplifier HiFi BMW E87 E90 Top Sound System Control Unit 9177752
PLN 1,899.95
Free delivery - Mon, Nov 24
If paid before 14:00
Part no. 1744987
BMW E39 Battery Clamp Fuse Cable Positive 1744987
PLN 94.95
Free delivery - Mon, Nov 24
If paid before 14:00
Part no. 130002613
BMW 5 X5 7 Series E60 E60N E61 E65 E66 E67 E70 Drive Longitudinal Seat Adjust
PLN 61.95
Free delivery - Mon, Nov 24
If paid before 14:00
Part no. 9286110
BMW F20 F21 F30 F31 F32 Body Control Comfort Module Unit FEM ECU LR01 9286110
PLN 379.95
Free delivery - Mon, Nov 24
If paid before 14:00
Part no. 9266384
BMW 5 Series F10 F11 LCI Boardmonitor Central Information Display 7" 9266384
PLN 170.95
Free delivery - Mon, Nov 24
If paid before 14:00
Part no. 9222071
BMW F07 BCM Body Control Module Unit Controller 9222071
PLN 142.95
Free delivery - Mon, Nov 24
If paid before 14:00
Part no. 9118467
BMW X5 X6 Series E70 E71 Seat Backrest Adjustment Adapter Lead Cable 9118467
PLN 47.95
Delivery - Mon, Nov 24
If paid before 14:00
Part no. 8486560
BMW F40 Steptronic Double Clutch Gearbox Transmission Control Module 8486560
PLN 1,139.95
Free delivery - Mon, Nov 24
If paid before 14:00
Part no. 7599378
Transmission Wiring BMW F20 Petrol N55 Automatic Gearbox- Engine Harness 7599378
PLN 227.95
Free delivery - Mon, Nov 24
If paid before 14:00
Part no. 8709212
Body Control Module BMW F20 F30 F31 BCM Unit FEM Lear V12 ECU 8709212
PLN 569.95
Free delivery - Mon, Nov 24
If paid before 14:00
Part no. 9119355
BMW E60 E61 E63 E81 E87 E90 E91 DAB Radio Tuner Module 9119355
PLN 123.95
Free delivery - Mon, Nov 24
If paid before 14:00
Part no. 9267467
BMW F13 Body Control Module Electronic Junction Box JBBFE 3 PL6 V3 9267467
PLN 284.95
Free delivery - Mon, Nov 24
If paid before 14:00
Part no. 6951674-CAR
BMW E81 E87 E90 PDC Parking Sensor Ultrasonic Carbonschwarz Black
PLN 42.95
Delivery - Mon, Nov 24
If paid before 14:00
Part no. 8515900
BMW X5 E70 LCI X6 E71 F01 F02 Starter Motor N57 Engine 8515900
PLN 42.95
Delivery - Mon, Nov 24
If paid before 14:00
Part no. 9229878
BMW E91 LCI ECU Body Control Module Junction Box H2 9229878
PLN 123.95
Free delivery - Mon, Nov 24
If paid before 14:00
Part no. 8580192
Glow Plug Cable BMW G20 X3 G01 B47 Wiring Harness Engine Glow Module 8580192
PLN 237.95
Free delivery - Mon, Nov 24
If paid before 14:00
Part no. 8512043
BMW 3 E90 E91 LCI 316d 318d N47N Engine Basic DDE 8512043 Control Unit Manual
PLN 237.95
Free delivery - Mon, Nov 24
If paid before 14:00
Part no. 1388911-1
BMW E36 E38 E85 Mini R52 R57 2x Change-Over Contact Relay Violet Set 1388911
PLN 42.95
Delivery - Mon, Nov 24
If paid before 14:00
Part no. 7195768
BMW 7 Series E65 E66 E67 Battery Holder Hold Down Strap Bracket 7195768
PLN 18.95
Delivery - Mon, Nov 24
If paid before 14:00
Part no. 7788680
BMW X3 X5 E46 E60 E61 E65 E83 E53 M57N Starter Motor 7788680
PLN 151.95
Free delivery - Mon, Nov 24
If paid before 14:00
Part no. 8654632
BMW F40 F44 F45 Mini Cooper F55 F56 Engine Starter Motor Positive Battery Cable
PLN 42.95
Delivery - Mon, Nov 24
If paid before 14:00
Part no. 8585731
Engine Wiring BMW F30 F31 F36 N47N xDrive Automatic Gearbox Loom Harness 8585731
PLN 313.95
Free delivery - Mon, Nov 24
If paid before 14:00
Part no. 8584816
Engine Wiring BMW G20 G21 X3 G01 B57 Injectors Module Harness Loom 8584816
PLN 379.95
Free delivery - Mon, Nov 24
If paid before 14:00
Part no. 9270356-1
BMW F40 Mini F55 F56 Fuse Box Power Distribution Junction Relay Unit 9270356
PLN 61.95
Free delivery - Mon, Nov 24
If paid before 14:00
Part no. 8573260-4
ECU Kit BMW F20 F21 116d ed Diesel N47N 116HP DDE 8573260 Key FEM Lock Manual
PLN 1,709.95
Free delivery - Mon, Nov 24
If paid before 14:00
Part no. 8585379
ECU BMW F30 330d N57N 258HP Diesel Engine Control Unit Automatic 8585379
PLN 237.95
Free delivery - Mon, Nov 24
If paid before 14:00
Part no. 7798076
BMW E60 E61 E63 E64 LCI Electrical Battery Earth Cable 330MM 7798076
PLN 75.95
Free delivery - Mon, Nov 24
If paid before 14:00
Part no. 9122100
BMW 1 Series E88 Mini Cooper R57 R59 Sat Nav GPS Antenna Amplifier 9122100
PLN 93.95
Free delivery - Mon, Nov 24
If paid before 14:00
Part no. 7644747
BMW F10 F11 F30 Petrol N20 ECU DME Engine Control Unit Module 7644747 Manual
PLN 1,709.95
Free delivery - Mon, Nov 24
If paid before 14:00
Part no. 9210857
BMW F01 F07 GT F10 F11 F13 Power Distribution Fuse Box Rear 9210857
PLN 42.95
Delivery - Mon, Nov 24
If paid before 14:00
Part no. 6947216
BMW 3 Series E93 Convertible Rear Bumper FM Radio Aerial Antenna 6947216
PLN 75.95
Free delivery - Mon, Nov 24
If paid before 14:00
Part no. 7853460
Gearbox Wiring BMW F87 M2 N55 Engine Automatic Loom Harness Cables 7853460
PLN 807.95
Free delivery - Mon, Nov 24
If paid before 14:00
Part no. 7533283
BMW X3 Z4 Series E83 LCI E85 E86 Cover Top Power Distribution Fuse Box 7533283
PLN 42.95
Delivery - Mon, Nov 24
If paid before 14:00
Part no. 6856980
BMW F01 F10 F11 F30 F31 AHK Towing Hitch Tow Bar Control Module Unit ECU 6856980
PLN 474.95
Free delivery - Mon, Nov 24
If paid before 14:00
Part no. 9454245
Differential Locking Module BMW F90 M5 G20 Rear Axle Control Unit ECU 9454245
PLN 284.95
Free delivery - Mon, Nov 24
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 - Mon, Nov 24
If paid before 14:00
Part no. 7559178-11
BMW E60 E90 E91 330i 530i N52 258HP Engine ECU Kit DME 7559178 CAS2 + Key Manual
PLN 1,424.95
Free delivery - Mon, Nov 24
If paid before 14:00
Part no. 9150721
BMW E87N ECU Body Control Module H2 Junction Box 9150721
PLN 61.95
Free delivery - Mon, Nov 24
If paid before 14:00
Part no. 6907313
BMW E65 E66 Wiring Loom Cables Rear Bumper PDC 6907313
PLN 61.95
Free delivery - Mon, Nov 24
If paid before 14:00
Part no. 9381837
BMW X1 F48 Mini F55 F56 Air Module Control Unit ECU 9381837
PLN 360.95
Free delivery - Mon, Nov 24
If paid before 14:00
Part no. 6925642
BMW 5 6 Series E60 E61 E63 Reserve Fuse Carrier Housing 6925642
PLN 37.95
Delivery - Mon, Nov 24
If paid before 14:00
Part no. 9330951
Control Unit BMW F01 F07 F10 F11 F25 Air Module ECU Unit Continental 9330951
PLN 123.95
Free delivery - Mon, Nov 24
If paid before 14:00
Part no. 9265300
BMW 1 2 Series F20 F21 F22 F23 LCi Headlight Switch Control Element Light
PLN 75.95
Free delivery - Mon, Nov 24
If paid before 14:00
Part no. 9217912
BMW E82 E90 LCI Trunk Shelf Left Right Speaker Tweeter Harman Kardon 9217912
PLN 123.95
Free delivery - Mon, Nov 24
If paid before 14:00
Part no. 9218381-1
BMW F10 F20 F30 Steering Wheel Module Electronics Control Unit 9209427
PLN 142.95
Free delivery - Mon, Nov 24
If paid before 14:00
Part no. 9259425-2
Positive Battery Cable BMW F30 F31 F80 M3 F82 M4 Plus Pole Power Red 9259425
PLN 94.95
Free delivery - Mon, Nov 24
If paid before 14:00
Part no. 8507949
BMW X3 F25 X4 F26 N57 Fuel Injection Line Wiring Loom Harness Cable 8507949
PLN 284.95
Free delivery - Mon, Nov 24
If paid before 14:00
Part no. 6972064
BMW 1 3 X1 SERIES E81 E87 E90 E91 E92 Ultra Sonic Module Alarm System 6972064
PLN 18.95
Delivery - Mon, Nov 24
If paid before 14:00
Part no. 9390835
Sound Amplifier BMW X5 F15 X6 F16 Active Harman Becker Design 9390835
PLN 569.95
Free delivery - Mon, Nov 24
If paid before 14:00
Part no. 6945898
Seat Occupancy Sensor BMW E87 E90 E91 E92 Co Driver Mat Cable 6945898
PLN 42.95
Delivery - Mon, Nov 24
If paid before 14:00
Part no. 8636066
Valvetronic Wiring BMW F20 F30 LCI B48 Petrol Engine Actuator Cable Loom 8636066
PLN 94.95
Free delivery - Mon, Nov 24
If paid before 14:00
Part no. 8573258
BMW F20 F21 F30 F31 116d 316d 118d 318d Diesel N47N Engine ECU 8573258 Manual
PLN 123.95
Free delivery - Mon, Nov 24
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 .