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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In Stock
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Part no. 9166783-1
BMW X5 X6 E70 E71 Rear Seat Console Entertainment DVD Display Screen 9166783
PLN 1,044.95
Free delivery - Tue, Jan 13
If paid before 14:00
Part no. 9297282-1
BMW E63 E64 Battery Power Cable Lead Positive Underfloor Red 9297282
PLN 142.95
Free delivery - Tue, Jan 13
If paid before 14:00
Part no. 6921857
BMW X5 E39 E46 E53 Motorola Hands-free Electronics Control Unit ECU 6921857
PLN 42.95
Delivery - Tue, Jan 13
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 - Tue, Jan 13
If paid before 14:00
Part no. 8506373-1
BMW X3 E83 LCI 1.8d N47 Engine Control Unit ECU Kit Module DDE 8506373 EWS Key
PLN 1,139.95
Free delivery - Tue, Jan 13
If paid before 14:00
Part no. 6956672
BMW E63 E63N LCI Centre Console Switch Centre DTC PDC 6956672
PLN 85.95
Free delivery - Tue, Jan 13
If paid before 14:00
Part no. 8572426
BMW F30 F32 LCI 335dX 435dX Engine Injector Ignition Wiring Cable Loom 8572426
PLN 75.95
Free delivery - Tue, Jan 13
If paid before 14:00
Part no. 9118931
BMW E60 E61 LCI Airbag ECU Control Unit Module 9118931
PLN 42.95
Delivery - Tue, Jan 13
If paid before 14:00
Part no. 9347822
Head Unit BMW F10 F11 F20 F30 Navigation Sat Nav High Control Module 9347822
PLN 664.95
Free delivery - Tue, Jan 13
If paid before 14:00
Part no. 8580307
BMW X1 E84 18dX Diesel N47N Engine Control Unit Module ECU DDE 8580307 Manual
PLN 427.95
Free delivery - Tue, Jan 13
If paid before 14:00
Part no. 5A374F9
BMW F40 Radio CD Player Head Unit Navigation Sat Nav CIC Alpine 5A374F9
PLN 1,424.95
Free delivery - Tue, Jan 13
If paid before 14:00
Part no. 6920472
BMW 7 Series E65 E66 E67 Sensor Vehicle Centre AIRBAG
PLN 56.95
Delivery - Tue, Jan 13
If paid before 14:00
Part no. 6970337
BMW E92 Seat Backrest Adjustment Adapter Lead Cable 6970337
PLN 75.95
Free delivery - Tue, Jan 13
If paid before 14:00
Part no. 8482365
BMW G20 Installation Cable Wiring Loom 8482365
PLN 94.95
Free delivery - Tue, Jan 13
If paid before 14:00
Part no. 9134667
BMW X5 E70 E87 E90 E91 E92 Seat Control Unit Module ECU 9134667
PLN 142.95
Free delivery - Tue, Jan 13
If paid before 14:00
Part no. 8377601
BMW E38 Door Windows Control Unit Module ECU ZB PMBT LOW 8377601
PLN 85.95
Free delivery - Tue, Jan 13
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 - Tue, Jan 13
If paid before 14:00
Part no. 9203304
BMW X5 Series E70 Cable Loom Door Rear Left Right N/O/S Wiring Harness 9207857
PLN 94.95
Free delivery - Tue, Jan 13
If paid before 14:00
Part no. 9226333-1
BMW E88 Cabrio ECU Body Control Module H3 Junction Box 9226333
PLN 218.95
Free delivery - Tue, Jan 13
If paid before 14:00
Part no. F20 F30 PLUG SOCKET LOOM PDC
PDC Plug BMW F20 F22 F30 F32 Loom Socket Parking Sensor Wiring Harness
PLN 95.95
Free delivery - Tue, Jan 13
If paid before 14:00
Part no. 8514735
BMW F20 F21 116d ed N47N 116HP Engine Control Unit Module ECU DDE 8514735 Manual
PLN 712.95
Free delivery - Tue, Jan 13
If paid before 14:00
Part no. 8377658
BMW X5 SERIES E53 TV amplifier 8377658
PLN 42.95
Delivery - Tue, Jan 13
If paid before 14:00
Part no. 5A130F9
BMW F40 F44 G20 Parking Control Module Unit USS ECU LOW 5A130F9
PLN 161.95
Free delivery - Tue, Jan 13
If paid before 14:00
Part no. 9338298
BMW F20 F21 F30 F33 KAFAS 2 Camera Lane Assist Module Control Unit ECU 9338298
PLN 100.95
Free delivery - Tue, Jan 13
If paid before 14:00
Part no. 7607454
Battery Insert BMW F13 F12 F06 Battery Crashpad Foam Insulator 7607454
PLN 47.95
Delivery - Tue, Jan 13
If paid before 14:00
Part no. 8517874-6
BMW F20 F21 116d N47N 116HP ECU Kit DDE 8517874 + Key + FEM + Lock Manual
PLN 949.95
Free delivery - Tue, Jan 13
If paid before 14:00
Part no. 7519051
BMW 7 Series E65 E66 E67 Electric valve 735i 745i 735Li 745Li 745LiS
PLN 75.95
Free delivery - Tue, Jan 13
If paid before 14:00
Part no. 7809955-4
BMW E60 E90 X5 E70 3.0sd 335d 535d M57N2 Engine ECU KIT DDE 7810980 CAS3 + Key
PLN 2,612.95
Free delivery - Tue, Jan 13
If paid before 14:00
Part no. 6923215
BMW E46 Inclination Indicator Alarm Tilt Sensor Module 6923215
PLN 42.95
Delivery - Tue, Jan 13
If paid before 14:00
Part no. 9345373
BMW F10 Footwell Central Lock Gateway Control Module Unit ECU 9345373
PLN 664.95
Free delivery - Tue, Jan 13
If paid before 14:00
Part no. 7508637
BMW 7 Series E65 E66 N62 Starter Motor 1,8KW Petrol 7508637 7508635
PLN 94.95
Free delivery - Tue, Jan 13
If paid before 14:00
Part no. 6751504
Module Holder BMW X5 E53 Rear Tyre Pressure Control Module Mount Bracket 6751504
PLN 42.95
Delivery - Tue, Jan 13
If paid before 14:00
Part no. 7391043
BMW F10 X1 F48 Mini F54 Rear Tailgate Smart Opener Bottom Wire Sensor 7391043
PLN 142.95
Free delivery - Tue, Jan 13
If paid before 14:00
Part no. 9199996
Holder BMW F13 TV Video Switch Control Module Unit Bracket Mount 9199996
PLN 47.95
Delivery - Tue, Jan 13
If paid before 14:00
Part no. 9389070-1
BMW F36 Fuse Box Control REM Electric Power Distribution 9389070
PLN 42.95
Delivery - Tue, Jan 13
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 - Tue, Jan 13
If paid before 14:00
Part no. 7849627
BMW F80 M3 F82 M4 Engine Valvetronic Wiring Cable Loom Harness 7849627
PLN 123.95
Free delivery - Tue, Jan 13
If paid before 14:00
Part no. 3454167-1
BMW X3 E83 Shark Roof Fin Antenna Aerial Module Unit 3454167 3436613
PLN 42.95
Delivery - Tue, Jan 13
If paid before 14:00
Part no. 3451585-2
BMW X3 E83 Instrument Panel Glass Speedo Clocks Cluster Glass Covering Panel
PLN 42.95
Delivery - Tue, Jan 13
If paid before 14:00
Part no. 9210861
BMW F10 F11 Power Distribution Fuse Box Front 9210861 61149210861
PLN 66.95
Free delivery - Tue, Jan 13
If paid before 14:00
Part no. 8510221-6
BMW E90 E91 LCI E92 325d Diesel N57 204HP ECU Engine Kit DDE 8510221 CAS3 + Key
PLN 902.95
Free delivery - Tue, Jan 13
If paid before 14:00
Part no. 6866990
Airbag Module BMW F01 F02 LCI F10 F11 F13 Air Bag ECU ICM Control Unit 6866990
PLN 132.95
Free delivery - Tue, Jan 13
If paid before 14:00
Part no. 9236519
BMW 1 Series E81 E87 LCI Front PDC Parking Distance Control Loom Wiring 9236519
PLN 189.95
Free delivery - Tue, Jan 13
If paid before 14:00
Part no. 9262752-1
BMW F20 F21 F22 Central Information Display Screen 6,5" Control Unit 9262752
PLN 123.95
Free delivery - Tue, Jan 13
If paid before 14:00
Part no. 9128569-2
Wiring Harness BMW E81 E82 E87 LCI E88 Air Valve Air Flap Cable Wire 9128569
PLN 42.95
Delivery - Tue, Jan 13
If paid before 14:00
Part no. 6920478
BMW 7 Series E65 E66 E67 Sensor Front Right Door Airbag 65776920478 6920478
PLN 42.95
Delivery - Tue, Jan 13
If paid before 14:00
Part no. 9149673
BMW 5 Series E60 E61 LCI Alarm System Unit Ultra Sonic Module 9149673
PLN 37.95
Delivery - Tue, Jan 13
If paid before 14:00
Part no. 6902265
BMW E65 E66 E67 Compact Base Support System Rear Black 6902265
PLN 42.95
Delivery - Tue, Jan 13
If paid before 14:00
Part no. X3 E83 Rear Wiring Loom PDC-1
BMW X3 Series 1 E83 Rear Bumper Wiring Loom PDC Harness Parking Sensor
PLN 65.95
Free delivery - Tue, Jan 13
If paid before 14:00
Part no. 8507360
Automatic Gearbox Wiring BMW F10 F11 530d N57 Engine Loom Harness Cables 8513823
PLN 522.95
Free delivery - Tue, Jan 13
If paid before 14:00
Part no. 8579479-2
BMW F20 F21 F30 116d 316d N47N 116HP Engine Control Unit ECU DDE 8579479 Manual
PLN 355.95
Free delivery - Tue, Jan 13
If paid before 14:00
Part no. 7835892
BMW 5 6 Series E60 E61N M5 E63 M6 Cable Starter Base B+ Engine Battery 7835892
PLN 42.95
Delivery - Tue, Jan 13
If paid before 14:00
Part no. 9286365
BMW X1 X2 Series F39 F48 Antenne AM Antenna Amplifier Cable 9286365
PLN 66.95
Free delivery - Tue, Jan 13
If paid before 14:00
Part no. 8578495
Engine Wiring BMW F30 F31 330d F32 F36 430d N57N Loom Harness Cable 8578495
PLN 237.95
Free delivery - Tue, Jan 13
If paid before 14:00
Part no. 6926358
BMW E87 E90 E91 E92 Front Seat Module Control Unit ECU 6926358
PLN 75.95
Free delivery - Tue, Jan 13
If paid before 14:00
Part no. 8510829-3
BMW E90 E91 LCI 320d N47N Engine Basic DDE 8510829 Control Unit Manual
PLN 189.95
Free delivery - Tue, Jan 13
If paid before 14:00
Part no. 9342033
BMW F10 F20 F30 Head Unit Media Navigation Headunit Player 9342033
PLN 123.95
Free delivery - Tue, Jan 13
If paid before 14:00
Part no. 9248369
Radio Player BMW F10 F11 F12 Alpine CD Champ Head Unit Controller 9248369
PLN 322.95
Free delivery - Tue, Jan 13
If paid before 14:00
Part no. 6832062
BMW F10 F13 X3 F25 Wireless Charger Centre Console Phone Charging Module 6832062
PLN 379.95
Free delivery - Tue, Jan 13
If paid before 14:00
Part no. 8240500
Wiring Loom Cable BMW E46 X5 E53 X3 E83 Seat Occupancy Sensor 8240500
PLN 61.95
Free delivery - Tue, Jan 13
If paid before 14:00
Part no. 6839821
Battery Cable BMW G01 G02 F97 F98 Positive Plus Pole Lead L= 712MM 6839821
PLN 237.95
Free delivery - Tue, Jan 13
If paid before 14:00
Part no. 6864927
BMW F01 F02 LCI F06 F10 F11 F13 ECU ICM Control Unit Air Module 6864927
PLN 42.95
Delivery - Tue, Jan 13
If paid before 14:00
Part no. 5A07600
BMW F40 Heater Air Conditioning System Control Unit Module 5A075F7
PLN 142.95
Free delivery - Tue, Jan 13
If paid before 14:00
Part no. 8635816
Engine Wiring BMW F20 F30 F31 LCI B38 Automatic Gearbox Loom Harness 8635816
PLN 237.95
Free delivery - Tue, Jan 13
If paid before 14:00
Part no. 8512043-1
BMW E90 E91 LCI 318d N47N ECU Kit DDE 8512043 + CAS3 + Key Manual
PLN 379.95
Free delivery - Tue, Jan 13
If paid before 14:00
Part no. 7645837
BMW i3 I01 Electric Gearbox Gear Shifting Actuator Module Unit 7645837
PLN 474.95
Free delivery - Tue, Jan 13
If paid before 14:00
Part no. 9390501
BMW 3 4 Series F31 F32 F80 M3 F82 M4 LCI USB Charger Adapter Socket 9390501
PLN 42.95
Delivery - Tue, Jan 13
If paid before 14:00
Part no. 7621178-1
BMW E81 E87 LCI E90 N43 118i 318i ECU Kit DME CAS3 Key 7621178 Manual
PLN 759.95
Free delivery - Tue, Jan 13
If paid before 14:00
Part no. 8794297
BMW F20 F21 F22 F30 F31 F32 Mini F55 F56 F57 Head Unit Basic Media DAB 8794297
PLN 569.95
Free delivery - Tue, Jan 13
If paid before 14:00
Part no. 9343259
B+ Distribution Box BMW X3 F25 Battery Power Red Rear Control Unit 9206140
PLN 123.95
Free delivery - Tue, Jan 13
If paid before 14:00
Part no. 8580053
Starter Cable BMW G30 G31 G32 Alternator Wiring Starter-Base B+ 8595355
PLN 142.95
Free delivery - Tue, Jan 13
If paid before 14:00
Part no. 8513249
BMW X3 F25 20dX Diesel N47N 184HP Engine Module ECU DDE 8513249 Automatic
PLN 332.95
Free delivery - Tue, Jan 13
If paid before 14:00
Part no. 6923547
BMW E65 E66 6-fold CD Changer Multichanger Without Magazine 6923547
PLN 522.95
Free delivery - Tue, Jan 13
If paid before 14:00
Part no. 6777641-2
BMW X5 E70 E81 E87 E90 E91 E92 E93 Air Module Wiring Steering Wheel Loom 6777641
PLN 94.95
Free delivery - Tue, Jan 13
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 - Tue, Jan 13
If paid before 14:00
Part no. 8574351
BMW X1 E84 16d 18d 18dX Diesel N47N Engine Control Unit ECU DDE 8574351 Manual
PLN 379.95
Free delivery - Tue, Jan 13
If paid before 14:00
Part no. 9267456
Control Unit BMW F10 F11 Body Module ECU JBBFE IIIR V2 PL6 ECU 9267456
PLN 55.95
Delivery - Tue, Jan 13
If paid before 14:00
Part no. 7619250
Alternator Bracket BMW F10 F20 F22 F30 F32 LCI G30 B47 Supporting Mount 7619250
PLN 42.95
Delivery - Tue, Jan 13
If paid before 14:00
Part no. 6929916
BMW E63 E64 Rear Bumper PDC Cables Set Wiring Loom Harness 6929916
PLN 94.95
Free delivery - Tue, Jan 13
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 - Tue, Jan 13
If paid before 14:00
Part no. 6900583-1
BMW 7 Series E65 E66 Cable Wire Power Distribution Box 6900583
PLN 47.95
Delivery - Tue, Jan 13
If paid before 14:00
Part no. 8639595-2
BMW F30 320i F32 420i N20 184HP Engine ECU Control Unit DME 8639595 Automatic
PLN 1,709.95
Free delivery - Tue, Jan 13
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 - Tue, Jan 13
If paid before 14:00
Part no. 9270490
BMW X5 F15 Antenna Aerial Diversity Trap Circuit Control Module 9270490
PLN 47.95
Delivery - Tue, Jan 13
If paid before 14:00
Part no. 9389310
BMW F45 Door Wiring Front Driver's Door Loom Cable Wiring Harness 9389310
PLN 75.95
Free delivery - Tue, Jan 13
If paid before 14:00
Part no. 6958526-1
BMW 5 X5 X6 Series 1 E60 E61 E70 E71 F10 F11 Seat Adjustment Switch Right O/S
PLN 37.95
Delivery - Tue, Jan 13
If paid before 14:00
Part no. 7899655
Rear Speaker BMW E63 E64 Door Card Loudspeaker Left Right N/O/S Logic 7 7899655
PLN 132.95
Free delivery - Tue, Jan 13
If paid before 14:00
Part no. 6882972
BMW F33 ECU ICM Control Sensor Unit Air Module ECU 6882972
PLN 94.95
Free delivery - Tue, Jan 13
If paid before 14:00
Part no. 9141446
BMW E93 Cabrio Convertible Hydraulic Pump Power Supply Cable 9141446
PLN 42.95
Delivery - Tue, Jan 13
If paid before 14:00
Part no. 7419610
BMW F30 F31 LCI Headlight LED Module Insert Light Source Set 7419610
PLN 189.95
Free delivery - Tue, Jan 13
If paid before 14:00
Part no. 8507981
BMW F07 GT F10 F11 Engine Wiring Loom Harness Cables M57Z Diesel 8507981
PLN 854.95
Free delivery - Tue, Jan 13
If paid before 14:00
Part no. 6857300
Air Module BMW F01 F02 LCI F10 F11 F13 ICM Crash Control Unit ECU 6857300
PLN 108.95
Free delivery - Tue, Jan 13
If paid before 14:00
Part no. 9365833
Business Navigation BMW F20 F21 F30 F31 Sat Nav Head Unit Player 9365833
PLN 284.95
Free delivery - Tue, Jan 13
If paid before 14:00
Part no. 9835622
BMW X4 F98 G02 Active Sound Design Module Control Unit Harman Kardon 9835622
PLN 332.95
Free delivery - Tue, Jan 13
If paid before 14:00
Part no. 7948147
BMW F40 F44 Rear Seat Bench Occupancy Mat Control Unit Sensor 7948147
PLN 42.95
Delivery - Tue, Jan 13
If paid before 14:00
Part no. 8636054
BMW F20 F30 LCI 120i 320i 330i B48 Engine Wiring Cable Loom Harness 8636054
PLN 712.95
Free delivery - Tue, Jan 13
If paid before 14:00
Part no. 8647878
BMW X5 F15 N20 Petrol Sensor System Engine Wiring Harness Cable Loom 8647878
PLN 712.95
Free delivery - Tue, Jan 13
If paid before 14:00
Part no. 6882969
BMW F20 F21 F30 F31 ECU ICM Plus Control Unit Module Air Module 6882969
PLN 142.95
Free delivery - Tue, Jan 13
If paid before 14:00
Part no. 9282072
BMW 5 Series F10 F11 Cable Loom Door Passenger Side Wiring Harness 9256002
PLN 188.95
Free delivery - Tue, Jan 13
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 .