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. 7P0941828B
Volkswagen Touareg 7P 3.0 TDI Fuse Box Control Module 7P0941828B
PLN 161.95
Free delivery - Wed, Jan 14
If paid before 14:00
Part no. 9679061680
Peugeot Boxer 2.2 Puma Diesel Engine Control Unit ECU Module 9679061680
PLN 2,849.95
Free delivery - Wed, Jan 14
If paid before 14:00
Part no. A6519000601-3
Mercedes Sprinter W906 313 CDI 651.955 129HP Engine ECU Kit A6519000601 Manual
PLN 854.95
Free delivery - Wed, Jan 14
If paid before 14:00
Part no. 2T1T14B321AB
Ford Transit Connect Air Module Control Unit ECU 2T1T-14B321-AB
PLN 94.95
Free delivery - Wed, Jan 14
If paid before 14:00
Part no. A4475402231
Mercedes W447 Sliding Door Wiring Loom Harness Right O/S A4475402231
PLN 113.95
Free delivery - Wed, Jan 14
If paid before 14:00
Part no. 8792148
Navigation Headunit BMW F20 F22 F30 Mini F55 F56 Head Unit Basic Media
PLN 569.95
Free delivery - Wed, Jan 14
If paid before 14:00
Part no. 1K0955559AB
Volkswagen Golf Mk5 Rain Sensor Front Windscreen Control Unit Module 1K0955559AB
PLN 61.95
Free delivery - Wed, Jan 14
If paid before 14:00
Part no. 9380323
BMW 5 Series F10 Steering Column Module Electronic Control Unit ECU 9380323
PLN 265.95
Free delivery - Wed, Jan 14
If paid before 14:00
Part no. 8R0867749A
Porsche Macan 95B Battery Holder Strap Mounting Bracket Clamp 8R0867749A
PLN 94.95
Free delivery - Wed, Jan 14
If paid before 14:00
Part no. 8321087-1
BMW E60 Front Seat Height Adjustment Electric Motor Actuator 0390203234 8321087
PLN 37.95
Delivery - Wed, Jan 14
If paid before 14:00
Part no. 5Q0937125A
Fuse Relay Box Volkswagen Audi Skoda Seat Engine Bay Supply Unit 5Q0937125A
PLN 94.95
Free delivery - Wed, Jan 14
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 - Wed, Jan 14
If paid before 14:00
Part no. A2135403205
Lever Sensor Wiring Mercedes W213 C238 Rear Left Right N/O/S Cable A2135403205
PLN 94.95
Free delivery - Wed, Jan 14
If paid before 14:00
Part no. 6933270
BMW 7 Series E65 E66 E67 Control Unit Door Rear Driver Side 6933270
PLN 47.95
Delivery - Wed, Jan 14
If paid before 14:00
Part no. A9075402087
Mercedes W907 Starter Wiring Battery Alternator Cable Harness Loom A9075401305
PLN 227.95
Free delivery - Wed, Jan 14
If paid before 14:00
Part no. A1765450000
Mercedes-Benz A-Class W176 Bluetooth Unit Module Bracket Holder A1765450000
PLN 42.95
Delivery - Wed, Jan 14
If paid before 14:00
Part no. A2059008118
Telematics Module Mercedes W176 W205 W218 Communication Control Unit A2059008118
PLN 47.95
Delivery - Wed, Jan 14
If paid before 14:00
Part no. 5Q0971230DT
Volkswagen Golf Mk7 Alternator Wiring Harness Loom Cable 1.4 TSI 5Q0971230DT
PLN 42.95
Delivery - Wed, Jan 14
If paid before 14:00
Part no. A0009068706
Mercedes W205 C43 Alternator Generator VALEO 200A 3.0 Petrol A0009068706
PLN 379.95
Free delivery - Wed, Jan 14
If paid before 14:00
Part no. A2048706826
Mercedes W204 ECU Control Unit Sensor Module Airbag A2048706826
PLN 61.95
Free delivery - Wed, Jan 14
If paid before 14:00
Part no. 4H0937517
Audi A8L 4H Fuse Relay Battery Junction Box Housing 4H0937517
PLN 284.95
Free delivery - Wed, Jan 14
If paid before 14:00
Part no. 6955116-BAQ
BMW 1 3 Series E81 E82 E87 E88 E90 E91 Ultrasonic Sensor PDC Barriquerot 6955116
PLN 47.95
Delivery - Wed, Jan 14
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 - Wed, Jan 14
If paid before 14:00
Part no. A1765405608
Mercedes-Benz A-Class W176 Rear Right Door Wiring Cable A1765405608
PLN 42.95
Delivery - Wed, Jan 14
If paid before 14:00
Part no. A2059004013
Mercedes W205 Air Conditioning Control Module A/C ECU Unit A2059004013
PLN 94.95
Free delivery - Wed, Jan 14
If paid before 14:00
Part no. 8W0959655H
Audi A4 B9 RS5 F5 Air Module Control Unit SRS Sensor ECU 8W0959655H
PLN 1,310.95
Free delivery - Wed, Jan 14
If paid before 14:00
Part no. 3456478
Mini R58 Door Module Harness Wiring Loom Cable Set Driver's Side 3456478
PLN 94.95
Free delivery - Wed, Jan 14
If paid before 14:00
Part no. A2469050101
Mercedes W176 W246 Rear Boot Lid Tailgate Antenna Booster Amplifier
PLN 37.95
Delivery - Wed, Jan 14
If paid before 14:00
Part no. A0005465402
Mercedes C117 W176 W246 Positive Battery Terminal Cover Cap Trim Red A0005465402
PLN 42.95
Delivery - Wed, Jan 14
If paid before 14:00
Part no. 95B971030FP
Porsche Macan 95B Door Wiring Harness Loom Cable 95B971030FP
PLN 284.95
Free delivery - Wed, Jan 14
If paid before 14:00
Part no. A2139003029
Mercedes A238 Fuse Box Control Unit SAM Module Relay A2139003029
PLN 379.95
Free delivery - Wed, Jan 14
If paid before 14:00
Part no. A0009004802
Air Module Mercedes W639 W906 ECU Control Unit Crash Impact A0009004802
PLN 42.95
Delivery - Wed, Jan 14
If paid before 14:00
Part no. 7543297
BMW 5 6 Series E60 E61 E63 E64 N52 Cable Alternator Starter Base B
PLN 42.95
Delivery - Wed, Jan 14
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 - Wed, Jan 14
If paid before 14:00
Part no. A0018204535
Microphone Mercedes W639 W906 Hands-Free Interior Mic Unit A0018204535
PLN 161.95
Free delivery - Wed, Jan 14
If paid before 14:00
Part no. A2059007218
Automatic Closing Motor Mercedes S205 Estate X253 Trunk Lid A2059007218
PLN 189.95
Free delivery - Wed, Jan 14
If paid before 14:00
Part no. A2218708326
Mercedes W221 Rear View Backup Camera Control Unit Module A2218708326
PLN 208.95
Free delivery - Wed, Jan 14
If paid before 14:00
Part no. 3Q0907338P
Audi Q2 GA Headlight Light Headlamp Lamp Control Module Unit ECU 3Q0907338P
PLN 379.95
Free delivery - Wed, Jan 14
If paid before 14:00
Part no. 6956744-1
BMW E81 E82 E87 E88 E90 E91 Parking Sensor PDC Sydneyblau - A19 6956744 SET X2
PLN 94.95
Free delivery - Wed, Jan 14
If paid before 14:00
Part no. A2229008911
Tuner Box Mercedes W213 W205 W222 Digital Audio Control Unit DAB ECE A2229008911
PLN 218.95
Free delivery - Wed, Jan 14
If paid before 14:00
Part no. A2034404532
Mercedes CLC-Class CL203 Rear Parking Sensor Wiring Loom Cable PDC A2034404532
PLN 66.95
Free delivery - Wed, Jan 14
If paid before 14:00
Part no. 8W0907159F
Audi A4 S4 B9 A5 S5 Impact Sound Actuator Control Module 8W0907159F
PLN 142.95
Free delivery - Wed, Jan 14
If paid before 14:00
Part no. 8631637
Earth Ground Cable BMW i3 I01 Battery Starter Terminal Wiring 8631637
PLN 142.95
Free delivery - Wed, Jan 14
If paid before 14:00
Part no. 4H0955557
Volkswagen VW Polo 6R 5 Audi A6 C7 Air Module Crash Impact Sensor 4H0955557
PLN 42.95
Delivery - Wed, Jan 14
If paid before 14:00
Part no. A2469004519
Gearbox Module Mercedes W176 W246 Control Unit ECU Automatic A2469004519
PLN 189.95
Free delivery - Wed, Jan 14
If paid before 14:00
Part no. 5WA980653C
Audi A3 S3 RS3 8Y Front Camera FAS Lane Assistance Control Unit 5WA980653C
PLN 474.95
Free delivery - Wed, Jan 14
If paid before 14:00
Part no. A2215403110
Mercedes W221 Positive Battery Cable Wire A2215403110
PLN 94.95
Free delivery - Wed, Jan 14
If paid before 14:00
Part no. 03G906018DT-1
Seat Leon II 1P 2.0 TDI BMN 170HP Engine Control Module ECU 03G906018DN Manual
PLN 379.95
Free delivery - Wed, Jan 14
If paid before 14:00
Part no. 9113355
BMW E87N E90 E91 Mini Cooper R56 DC/DC Torque Converter Wandler 9113355
PLN 42.95
Delivery - Wed, Jan 14
If paid before 14:00
Part no. A1665400180
Mercedes W166 Fuse Box Relay Cover Shield Cap Trim A1665400180
PLN 56.95
Delivery - Wed, Jan 14
If paid before 14:00
Part no. 9134668
Seat Control Unit BMW E90 E91 E92 Seat Module Unit Controller ECU 9134668
PLN 218.95
Free delivery - Wed, Jan 14
If paid before 14:00
Part no. 9296981
Battery Cable Mini F55 F56 BMW X2 F39 Diesel B37 Positive Cable Wiring 9296981
PLN 61.95
Free delivery - Wed, Jan 14
If paid before 14:00
Part no. 191937503
VAG VW Volkswagen Audi Seat Skoda Relay Unit 4 Pins 12V 40A 191937503
PLN 42.95
Delivery - Wed, Jan 14
If paid before 14:00
Part no. 9326437
BMW F30 F31 Wiring Passenger Loom Front Door Cables Harness 9286241
PLN 113.95
Free delivery - Wed, Jan 14
If paid before 14:00
Part no. 8576341-4
BMW F20 F21 F30 F31 118d 318d 143HP N47N ECU Kit DDE 8576341 + Key + FEM
PLN 949.95
Free delivery - Wed, Jan 14
If paid before 14:00
Part no. A6397600340
Mercedes Vito W639 Door Handle Cable Catch Bowden Cable Rear A6397600340
PLN 94.95
Free delivery - Wed, Jan 14
If paid before 14:00
Part no. A1179009200
Mercedes W176 Air Module Belts System Control Unit ECU Bosch A1179009200
PLN 237.95
Free delivery - Wed, Jan 14
If paid before 14:00
Part no. 2Q0980653H
Seat Ibiza KJ1 VW Polo MK6 Front Camera Lane Assist Control Unit 2Q0980653H
PLN 284.95
Free delivery - Wed, Jan 14
If paid before 14:00
Part no. A0005400764
Mercedes W205 Battery Negative Ground Bonding Line Wire Earth Cable A0005400764
PLN 132.95
Free delivery - Wed, Jan 14
If paid before 14:00
Part no. 0010020V001
Smart ForTwo C450 M160.920 0.7 61HP Engine Control ECU 0010020V001 Automatic
PLN 284.95
Free delivery - Wed, Jan 14
If paid before 14:00
Part no. 4F0035056B
Audi A6 C6 Head Unit Radio CD Player Control Unit Module 4F0035056B
PLN 854.95
Free delivery - Wed, Jan 14
If paid before 14:00
Part no. 9267511
BMW X5 E70 Body Control Module Main Primary ECU Unit JBBFEIII R LP 9267511
PLN 664.95
Free delivery - Wed, Jan 14
If paid before 14:00
Part no. 7618644
BMW Z4 Series E89 Roadster Petrol N20 Cable Alternator-Starter-Base B 7618644
PLN 47.95
Delivery - Wed, Jan 14
If paid before 14:00
Part no. 6949381
BMW E65 E66 Front Door Wiring Door Cable Harness Loom 6949381
PLN 75.95
Free delivery - Wed, Jan 14
If paid before 14:00
Part no. 5A02F94
PDC Module BMW F45 X3 F25 Mini F55 F56 F60 Parking Distance Sensor Unit 5A02F94
PLN 237.95
Free delivery - Wed, Jan 14
If paid before 14:00
Part no. A2741501802
Mercedes W213 Engine Wiring Harness Cable Loom A2741501802
PLN 759.95
Free delivery - Wed, Jan 14
If paid before 14:00
Part no. A1679003811
Door Module Mercedes W205 W213 C253 Front Left N/S Control Unit ECU A1679003811
PLN 237.95
Free delivery - Wed, Jan 14
If paid before 14:00
Part no. GN15-14C676-AA
Volkswagen Amarok MK2 Impact Sensor Front Left Right N/O/S Door GN15-14C676-AA
PLN 42.95
Delivery - Wed, Jan 14
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 - Wed, Jan 14
If paid before 14:00
Part no. A1699010100
Mercedes W169 W245 Sam Control Module Fuse Box Unit A1699010100
PLN 189.95
Free delivery - Wed, Jan 14
If paid before 14:00
Part no. 9224275
BMW F01 F02 F07 GT Control Unit Air Module ECU 9224275
PLN 94.95
Free delivery - Wed, Jan 14
If paid before 14:00
Part no. A2469067100-1
Mercedes W176 W246 C117 Fuse Relay Box Unit Cables Wiring Loom A2469067100
PLN 61.95
Free delivery - Wed, Jan 14
If paid before 14:00
Part no. 5Q0959393
Audi A3 8V Control Unit Central Door Locking Module ECU 5Q0959393
PLN 123.95
Free delivery - Wed, Jan 14
If paid before 14:00
Part no. A2048701126
Mercedes S204 Door Module Rear Left N/S Control Unit ECU A2048701126
PLN 94.95
Free delivery - Wed, Jan 14
If paid before 14:00
Part no. 6825835
BMW 2 Series F45 F46 Cable Wiring Jump Starter Base B+ Engine Battery 6809391
PLN 94.95
Free delivery - Wed, Jan 14
If paid before 14:00
Part no. A2118704785
Mercedes W211 Front Seat Memory Control Unit Module Left Right N/O/S A2118704785
PLN 142.95
Free delivery - Wed, Jan 14
If paid before 14:00
Part no. 9166869
Mini Cooper R56 Hands-free Electronics Charging MULF2 9166869
PLN 284.95
Free delivery - Wed, Jan 14
If paid before 14:00
Part no. A1725402513
Mercedes SLK R172 Rear Window Heating Cable Loom Heat Wiring Harness A1725402513
PLN 142.95
Free delivery - Wed, Jan 14
If paid before 14:00
Part no. A1698203285
Mercedes A B Class W169 W245 Door Control Module Right Rear O/S A1698203285
PLN 42.95
Delivery - Wed, Jan 14
If paid before 14:00
Part no. A2465400340-2
Mercedes W176 Fuse Relay Box Control Unit A2465400340 A2465400140
PLN 65.95
Free delivery - Wed, Jan 14
If paid before 14:00
Part no. A2128270128-IRS
Roof Antenna Mercedes W212 Shark Trim Panel Iridium Silver - 775 A2128270128
PLN 94.95
Free delivery - Wed, Jan 14
If paid before 14:00
Part no. 9224686
BMW Mini Clubman R55 Cable Wiring Loom Splitdoor Door Rear Right O/S 9224424
PLN 75.95
Free delivery - Wed, Jan 14
If paid before 14:00
Part no. 4H0909131
Audi A8L 4H Ignition Keyless Entry Reader Coil Module 4H0909131
PLN 42.95
Delivery - Wed, Jan 14
If paid before 14:00
Part no. 9133913
BMW Z4 E89 Roadster Convertible HiFi Speaker System Amplifier 9133913
PLN 283.95
Free delivery - Wed, Jan 14
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 - Wed, Jan 14
If paid before 14:00
Part no. 8586536-6
BMW F30 F32 LCI 335d 435d N57Z 313HP Control Unit ECU Kit DDE 8586536 FEM Key
PLN 1,709.95
Free delivery - Wed, Jan 14
If paid before 14:00
Part no. 8K0959792E
Audi A4 B8 A5 8T Front Door Module Control Unit Module ECU Left N/S 8K0959792E
PLN 42.95
Delivery - Wed, Jan 14
If paid before 14:00
Part no. 8648843
BMW F45 Mini F60 B38X High Voltage Accumulator Negative Ground Cable 8648843
PLN 94.95
Free delivery - Wed, Jan 14
If paid before 14:00
Part no. A2038700326
Mercedes CLC CL203 Front Left N/S Door Control Module Unit A2038700126
PLN 66.95
Free delivery - Wed, Jan 14
If paid before 14:00
Part no. 9805535
BMW Countryman R60 R61 Centre Console Retaining Bracket Rail Rear 9805535
PLN 47.95
Delivery - Wed, Jan 14
If paid before 14:00
Part no. A2465400340-1
Mercedes W176 Fuse Relay Box Unit A2465400340 A2469067200
PLN 85.95
Free delivery - Wed, Jan 14
If paid before 14:00
Part no. 9294309
Dashboard Monitor BMW X3 F25 X4 F26 Onboard Central Display Screen 6,5" 9294309
PLN 474.95
Free delivery - Wed, Jan 14
If paid before 14:00
Part no. 06N907309A-1
Audi A4 B9 8W 35 TFSI DMSB 150 HP Engine ECU Kit Body + Key 06N907309A Automatic
PLN 1,614.95
Free delivery - Wed, Jan 14
If paid before 14:00
Part no. 4E0910110E
Audi S6 C6 6-Disc CD Changer Magazine Head Unit MMI 4E0910110E
PLN 142.95
Free delivery - Wed, Jan 14
If paid before 14:00
Part no. 8619095
BMW i3 I01 Hybrid Electric Earth Ground Cable Negative Battery Lead 8619095
PLN 42.95
Delivery - Wed, Jan 14
If paid before 14:00
Part no. A1679006613
Mercedes W177 Sliding Roof Module Sunroof Panoramic Control Unit A1679006613
PLN 379.95
Free delivery - Wed, Jan 14
If paid before 14:00
Part no. 95230-4H200
Hyundai H-1 iLoad Relay Module Control Unit ECU 95230-4H200
PLN 474.95
Free delivery - Wed, Jan 14
If paid before 14:00
Part no. 6832695
Mini Clubman F54 Battery Cable Negative Terminal Wiring 6832695
PLN 94.95
Free delivery - Wed, Jan 14
If paid before 14:00
Part no. 6915943
BMW 7 X3 Z4 Series E65 E66 E83 E85 E86 Interface Japan Luggage Module 6915943
PLN 284.95
Free delivery - Wed, Jan 14
If paid before 14:00
Key components of vehicle electrical systems
Original electrical parts for popular car brands
A car's electrical system is a complex system responsible for many key functions—from engine starting to lighting and on-board electronics. Modern cars are equipped with increasingly advanced electrical solutions that not only improve driving comfort but also enhance safety. At the Global Parts automotive store you will find a wide range of used car parts , such as alternators, starters, batteries, control modules and other automotive electrical systems that perfectly fit BMW , Audi , Mercedes , Volkswagen , Mini and many others.
How does a car's electrical system work?
A car's electrical system is a complex system that consists of several key components that work together to ensure the vehicle's reliable operation:
- Battery accessories – Includes clamps, cables, holders and other components necessary for battery installation and maintenance.
- Electronic control modules and controllers – They control and manage the operation of various vehicle systems, such as the engine, air conditioning and ABS.
- Alternators and generators – Responsible for generating electricity and charging the battery while the engine is running.
- Parts for alternators and generators – Including voltage regulators, brushes and bearings that ensure proper operation of the alternator.
- Starters – Key components of the starting system that enable the engine to be started.
- Starter parts – Including bendixes, rotors and solenoids necessary for the proper operation of the starter.
- Batteries – They store the electrical energy necessary to start the engine and power on-board systems.
- Wires, harnesses and connectors – They transmit energy and electrical signals between various vehicle systems.
- Fuses and fuse boxes – Protect the electrical system against overloads and short circuits.
- Relays – They control the flow of current in individual electrical circuits of the vehicle. A functioning electrical system is the basis for the reliability of your car, regardless of operating conditions.
Key technical parameters of electrical systems
Each of these components has specific technical parameters that determine its compatibility with the vehicle. For example, alternators installed in mid-range cars (e.g., Volkswagen Passat B6) typically have a capacity of 90 A to 140 A, while luxury vehicles (e.g., Mercedes S-Class) require alternators with a capacity exceeding 180 A. Starter motors vary in torque and operating voltage – the standard is 12 V, while 24 V starters are used in heavy-duty vehicles.
Why is it worth taking care of your car's electrical system?
Regular maintenance and replacement of electrical system components is key to reliability and road safety. Faulty components can lead to:
- Problems starting the engine.
- Failure of safety systems such as ABS or airbags.
- Decreased efficiency of on-board equipment, e.g. lighting or air conditioning. At the Global Parts store we offer original used car parts , which have undergone detailed quality tests, ensuring their full functionality.
Symptoms of electrical system disruptions
In practice, electrical faults manifest themselves in a variety of ways. Drivers most often notice: dimming lights when parked, difficulty starting the engine, a voltage drop on the on-board computer, or air conditioning malfunctions. The table below presents typical correlations:
| Symptom | Possible cause | Item to check |
|---|---|---|
| Difficulty starting the engine | Worn out starter or battery | Starter motor, battery |
| Dimming the lights | Inefficient alternator | Alternator, voltage regulator |
| Electric windows not working | Damaged relays or harness | Relays, wires |
How to choose the right parts for your electrical system?
When choosing parts for the electrical system, such as alternators, starters or control modules, it is worth paying attention to:
- Vehicle-specific fit – Every car make and model requires specific specifications. At Global Parts, you'll find parts that perfectly fit BMW , Audi , Mercedes , Volkswagen , Mini, and many more .
- Technical condition – All used parts we offer are thoroughly checked to ensure their reliability.
- Technical parameters – For example, alternators should have appropriate current output, adapted to the needs of your vehicle.
Compatibility and fit
The selection of electrical parts is based primarily on OEM part numbers, but matching them to specific parameters is equally important, including current, voltage, and the number of connector pins. For example, the 120A alternator used in the Audi A4 B7 differs significantly from the 150A version installed in the Audi A6 C6 . Therefore, using manufacturer catalogs or providing the VIN makes finding the right component much easier.
Why choose used electrical parts?
Purchase of used car parts This solution allows you to combine savings with quality. Why choose it?
- Lower costs – Used alternators, starters and other parts are cheaper than new ones, but offer the same high quality.
- Ecology – You support recycling and reduce waste by choosing used car parts .
- Wide range – We offer electrical parts for the most popular car brands, so you can easily find what you need.
How to take care of your car's electrical system?
To ensure your electrical system operates reliably for years, it is worth remembering a few rules:
- Regularly check the battery condition and charge level.
- Take care of your cables and connectors – corrosion or damage can lead to voltage drops and failures.
- Monitor the operation of the alternator and starter – early detection of problems will help avoid more serious breakdowns. If you have any problems, you will find the right car parts at Global Parts that will help restore your vehicle to full working order.
Step-by-step control procedures
- Measure the battery voltage with a multimeter – the resting value should be approximately 12.6 V.
- Check the charging voltage with the engine running – the correct range is 13.8–14.5 V.
- Assess the condition of the wires and terminals – lack of corrosion and a firm seat are essential.
- If in doubt, check the quiescent current consumption – it should not exceed 0.05–0.08 A.
FAQ - Frequently asked questions about electrical systems in cars
| Question | Answer |
|---|---|
| What is a car electrical system? | This is a set of components responsible for powering and controlling all electrical functions in the car – from engine starting to multimedia. |
| What is an alternator for in a car? | The alternator generates electrical current when the engine is running and charges the battery. |
| What is the difference between a starter and an alternator? | The starter motor is used solely to start the engine, while the alternator is responsible for generating energy while driving. |
| How to check if the battery is working? | Just measure its voltage – a healthy battery should have approximately 12.6 V at rest and maintain a voltage above 10 V during cranking. |
| What are the most common symptoms of car electrical failure? | Problems starting the engine, flashing warning lights, power windows not working or dimming lights. |
| Do electrical parts from one model fit another? | Sometimes yes, but the key is to match it by VIN or OEM number – this guarantees compatibility. |
| How often should you check your electrical system? | It is worth performing basic diagnostics (battery, alternator) at least once a year or before a long trip. |
Summary: Automotive electrical systems at Global Parts Automotive Store
Automotive electrical systems are the foundation of the reliability and comfort of every modern vehicle. By choosing the right parts, such as alternators, batteries, and control modules, you can ensure your car's full operational efficiency. The Global Parts automotive store invites you to browse our wide selection of original used car parts . Whether you're looking for car parts for BMW , Audi , Volkswagen , Mercedes, Mini , or others, you'll find them at competitive prices. We strive to ensure every customer finds the right parts for their car, and if you have any questions or concerns about selecting the right components, we're happy to help! Please contact us – we're here to help! For more information and interesting facts, visit our automotive blog .