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. A6396890279
Mercedes Viano Vito W639 Radio Fan Adapter Control Unit Module A6396890279
PLN 42.95
Delivery - Tue, Nov 25
If paid before 14:00
Part no. A2124406207
Negative Cable Mercedes W212 Battery Earth Wiring Loom A2124406207
PLN 42.95
Delivery - Tue, Nov 25
If paid before 14:00
Part no. 7807827-1
BMW 1 3 Series E87 E90 LCI 120d 320d N47 Diesel ECU Kit DDE 7807827 CAS3 Key
PLN 712.95
Free delivery - Tue, Nov 25
If paid before 14:00
Part no. 4F0959795E
Audi A6 C6 Rear Door Left N/S Module Unit Control ECU 4F0959795E
PLN 61.95
Free delivery - Tue, Nov 25
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 - Tue, Nov 25
If paid before 14:00
Part no. A2215408908
Mercedes W221 Door Harness Wiring Loom Rear Right O/S A2215408908
PLN 113.95
Free delivery - Tue, Nov 25
If paid before 14:00
Part no. A0025450801
Fuse Holder Mercedes W169 W245 W906 Electrical Fuse Box Bracket A0025450801
PLN 94.95
Free delivery - Tue, Nov 25
If paid before 14:00
Part no. 9875930
BMW G20 Head Unit Navigation Audio Player Controller Module 9875930
PLN 474.95
Free delivery - Tue, Nov 25
If paid before 14:00
Part no. 7792130
BMW Mini Cooper One R50 R52 R53 R55 R56 R57 Earth Ground Cable 7792130
PLN 47.95
Delivery - Tue, Nov 25
If paid before 14:00
Part no. 6967184-1
BMW X5 E70 Positive Battery Cable Terminal Box Base B+ X6 E71 6967184
PLN 61.95
Free delivery - Tue, Nov 25
If paid before 14:00
Part no. 1K0907719B
Audi A3 8P Anti Theft Alarm System Control Module Unit ECU 1K0907719B
PLN 47.95
Delivery - Tue, Nov 25
If paid before 14:00
Part no. 7E0907655A
Audi TT 8J ESP YAW Lateral Acceleration Sensor 7E0907655A
PLN 94.95
Free delivery - Tue, Nov 25
If paid before 14:00
Part no. 9119495
BMW E92 ECU Body Control Module Junction Box L1 PL2 JBBFE 9119495
PLN 94.95
Free delivery - Tue, Nov 25
If paid before 14:00
Part no. A2711508033
Mercedes W204 Engine Wiring Harness Cable Loom A2711508033
PLN 1,234.95
Free delivery - Tue, Nov 25
If paid before 14:00
Part no. 2GA035284A
Seat Ibiza KJ1 VW Polo MK6 Online Services Control Module ECU Unit 2GA035284A
PLN 598.95
Free delivery - Tue, Nov 25
If paid before 14:00
Part no. A4475400600
Mercedes Vito W447 Battery Cable Alternator Wiring Diesel OM651 A4475400600
PLN 142.95
Free delivery - Tue, Nov 25
If paid before 14:00
Part no. A0018209326
Mercedes-Benz E CLS Class W211 W219 Crash Sensor Left Right N/O/S A0018209326
PLN 42.95
Delivery - Tue, Nov 25
If paid before 14:00
Part no. 8K0915181H
Audi A1 8X Negative Minus Battery Terminal Cable 1.4 TFSI CAXA Petrol 8K0915181H
PLN 42.95
Delivery - Tue, Nov 25
If paid before 14:00
Part no. A6519062300
Starter Motor Mercedes W204 W212 OM651 Diesel Engine Starter A6519062300
PLN 94.95
Free delivery - Tue, Nov 25
If paid before 14:00
Part no. 9323554
BMW 1 3 Series F20 F21 F30 Operating Unit Audio FBM Control Unit Panel 9323554
PLN 142.95
Free delivery - Tue, Nov 25
If paid before 14:00
Part no. 1K0919283A
Volkswagen Touran 1T Parking Control Unit Module Sensor 1K0919283A
PLN 42.95
Delivery - Tue, Nov 25
If paid before 14:00
Part no. 9140942-BAR
BMW 1 3 Series E87 E90 E91 LCI Rear PDC Ultrasonic Parking Sensor Barbera Red
PLN 75.95
Free delivery - Tue, Nov 25
If paid before 14:00
Part no. 9382401
BMW F30 LCI 330e Hybrid High Voltage Electronics Unit Holder Support 9382401
PLN 94.95
Free delivery - Tue, Nov 25
If paid before 14:00
Part no. 9267516
BMW F10 Central Gateway Module Control Unit Lear ZGW-02 MID Plus 9267516
PLN 94.95
Free delivery - Tue, Nov 25
If paid before 14:00
Part no. 9309997
Mini F57 Cabrio Aerial Base Antenna Rod Unit AM / FM / TEL / GPS / DAB-L 9309997
PLN 569.95
Free delivery - Tue, Nov 25
If paid before 14:00
Part no. 8K590735700
Audi A5 8T Front Lamp Xenon Headlight Range Control Module 8K590735700
PLN 94.95
Free delivery - Tue, Nov 25
If paid before 14:00
Part no. A2641591400
Ignition Coil Mercedes W177 M260 Petrol Ignition Cable Connector A2641591400
PLN 142.95
Free delivery - Tue, Nov 25
If paid before 14:00
Part no. 3Q0907530AA
Audi Seat Skoda Volkswagen Gateway Control Unit Module ECU 3Q0907530AA
PLN 94.95
Free delivery - Tue, Nov 25
If paid before 14:00
Part no. 8058634
Engine Wiring BMW X3 M F97 X4 M F98 Loom Harness Ignition Module 8058634
PLN 474.95
Free delivery - Tue, Nov 25
If paid before 14:00
Part no. 7801711-1
BMW X3 E83 2.0d M47N2 Engine Control Unit Module ECU DDE 7801711 Manual
PLN 949.95
Free delivery - Tue, Nov 25
If paid before 14:00
Part no. 6949229-1
2 x Mini R52 Convertible DWA Door Alarm System Module Control Unit Set 6949229
PLN 47.95
Delivery - Tue, Nov 25
If paid before 14:00
Part no. 5F4035225B
Seat Leon Mk3 Antenna Amplifier Module FM Right O/S Aerial Booster 5F4035225B
PLN 189.95
Free delivery - Tue, Nov 25
If paid before 14:00
Part no. KCR12
Chip Power Chiptuning Box CRS KCR12 Control Unit Module Tuning Set
PLN 332.95
Free delivery - Tue, Nov 25
If paid before 14:00
Part no. A1698207426
Mercedes-Benz A B Class W169 W245 Door Control Unit Right O/S Rear A1698207426
PLN 47.95
Delivery - Tue, Nov 25
If paid before 14:00
Part no. A4479000900
Mercedes Vito W447 Air Module Control Unit ECU 4479000900
PLN 474.95
Free delivery - Tue, Nov 25
If paid before 14:00
Part no. A1725402209
Electrical Cable Mercedes R172 Transmission To Body Wiring Harness A1725400035
PLN 47.95
Delivery - Tue, Nov 25
If paid before 14:00
Part no. A2215408045
TPM Module Mercedes W221 S500 C216 Tire Pressure System Module RDK A2215408045
PLN 42.95
Delivery - Tue, Nov 25
If paid before 14:00
Part no. 057911022
Audi Q7 4M Engine Starter Motor Actuator Starter Valeo 3.0 TDI Diesel 057911022
PLN 94.95
Free delivery - Tue, Nov 25
If paid before 14:00
Part no. 9383069
Head Unit BMW F10 F20 F22 F30 Navigation Sat Nav High Control Module 9383069
PLN 1,709.95
Free delivery - Tue, Nov 25
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 - Tue, Nov 25
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 - Tue, Nov 25
If paid before 14:00
Part no. 6957123
BMW 3 Series E92 Front Left N/S Door Wiring Cables Harness Loom 6957123
PLN 66.95
Free delivery - Tue, Nov 25
If paid before 14:00
Part no. 8489325
BMW i3 I01 94Ah Rex Hybrid Basic Control Unit Module ECU 8489325
PLN 284.95
Free delivery - Tue, Nov 25
If paid before 14:00
Part no. 4H0907401-1
Audi A8 4H 3.0 TDI CDTA 250HP Quattro Engine ECU Kit 4H0907401 BCM + Key + Lock
PLN 1,614.95
Free delivery - Tue, Nov 25
If paid before 14:00
Part no. A2661503133
Engine Wiring Mercedes W169 W245 M266 Petrol Cable Loom Harness A2661503133
PLN 474.95
Free delivery - Tue, Nov 25
If paid before 14:00
Part no. 6771182
BMW E90 E91 E92 E93 Longitudinal Dynamic Module Cruise Control 6771182
PLN 42.95
Delivery - Tue, Nov 25
If paid before 14:00
Part no. 8809737
PDC Wiring BMW X4M F98 G02 Rear Bumper Parking Assistance Sensor Harness 8809737
PLN 379.95
Free delivery - Tue, Nov 25
If paid before 14:00
Part no. A1679008207
Telematics Module Mercedes W177 W247 Communication Control Unit ECU A1679008207
PLN 379.95
Free delivery - Tue, Nov 25
If paid before 14:00
Part no. 5N0035341G
Volkswagen Golf Scirocco CC Multimedia Interface Module Box 5N0035341G
PLN 61.95
Free delivery - Tue, Nov 25
If paid before 14:00
Part no. A2118206185
Mercedes E S Class W211 W220 Telephone Hands Free Control Module A2118206185
PLN 47.95
Delivery - Tue, Nov 25
If paid before 14:00
Part no. A0009057908
Mercedes C238 Rear Bumper Blind Spot Radar Sensor Left Right N/O/S A0009057908
PLN 474.95
Free delivery - Tue, Nov 25
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, Nov 25
If paid before 14:00
Part no. A1779069601-1
Fuse Box Mercedes W177 W247 Front Relay Engine Control Unit Module A1779069601
PLN 522.95
Free delivery - Tue, Nov 25
If paid before 14:00
Part no. 391144A240
Hyundai H-1 2.5 Diesel Engine Control Unit Module 39114-4A240 Manual
PLN 949.95
Free delivery - Tue, Nov 25
If paid before 14:00
Part no. V23134-J59-X431
Mazda 6 GJ TYCO Relay Black Unit Module 4 Pin 12V V23134-J59-X431
PLN 42.95
Delivery - Tue, Nov 25
If paid before 14:00
Part no. A2049000300
Mercedes W212 Media Interface Control Unit Module Communication A2049000300
PLN 42.95
Delivery - Tue, Nov 25
If paid before 14:00
Part no. 6953424-2
BMW Z4 Series 2 E85 E86 Positive Battery Cable Plus Pole Lead 6953424
PLN 161.95
Free delivery - Tue, Nov 25
If paid before 14:00
Part no. 9380938
BMW 2 Series F45 Door Wiring Loom Harness Co-Driver's Passenger's Side 9380938
PLN 142.95
Free delivery - Tue, Nov 25
If paid before 14:00
Part no. 420919275-BLM
Audi A5 8T Rear Bumper PDC Parking Distance Sensor Black Magic Pearl - C9Z
PLN 42.95
Delivery - Tue, Nov 25
If paid before 14:00
Part no. 8W1907063CC
Audi A4 B9 Body Control Comfort Unit Module BCM Unit ECU 8W1907063CC
PLN 759.95
Free delivery - Tue, Nov 25
If paid before 14:00
Part no. 8592700
Glow Plug Wiring BMW F48 Mini F57 Wiring Harness Engine Module 8592700
PLN 94.95
Free delivery - Tue, Nov 25
If paid before 14:00
Part no. A0045423918
Yaw Sensor Mercedes ML W164 W221 W251 ESP Rotation Rate Unit Module A0045423918
PLN 75.95
Free delivery - Tue, Nov 25
If paid before 14:00
Part no. 03L906018LB
Audi A6 C7 2.0 TDI CGLC 177HP Engine Control Unit ECU 03L906018LA Automatic
PLN 284.95
Free delivery - Tue, Nov 25
If paid before 14:00
Part no. 8574024
Engine Wiring BMW F30 F31 335dX N57Z Automatic Gearbox Cable Harness 8574024
PLN 151.95
Free delivery - Tue, Nov 25
If paid before 14:00
Part no. JK2T14F642AC
Ford Transit Custom Data Link Obd Port Module JK2T-14F642-AC
PLN 94.95
Free delivery - Tue, Nov 25
If paid before 14:00
Part no. 9374508
BMW F20 F21 F30 F31 REM Rear Electronic Module Fuse Box Control Unit V3 9374508
PLN 42.95
Delivery - Tue, Nov 25
If paid before 14:00
Part no. 9331597
BMW F20 F21 F22 F30 F31 Alpine CD Radio Player Head Control Unit 9331597
PLN 569.95
Free delivery - Tue, Nov 25
If paid before 14:00
Part no. A2118209626
Mercedes W211 W219 Alarm Control Module Unit ECU A2118209626
PLN 94.95
Free delivery - Tue, Nov 25
If paid before 14:00
Part no. 10723AF
Ford Transit Connect Battery Box Tray Housing Holder Bracket 10723AF
PLN 75.95
Free delivery - Tue, Nov 25
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 - Tue, Nov 25
If paid before 14:00
Part no. 6942675
BMW 3 Z4 Series E46 E89 Mini R50 R52 Parking Control Module Unit PDC 6942675
PLN 61.95
Free delivery - Tue, Nov 25
If paid before 14:00
Part no. 02E911022H
Audi S3 8Y 2.0 TFSI Starter Motor Engine Petrol 02E911022H
PLN 189.95
Free delivery - Tue, Nov 25
If paid before 14:00
Part no. A0025421119-1
Relay Unit Mercedes W163 W168 W203 W211 4-Pin Black Hella A0025421119 Set 2x
PLN 42.95
Delivery - Tue, Nov 25
If paid before 14:00
Part no. 9301309
Air Conditioning Unit BMW F20 F21 F30 F31 Control Unit A/C Module 9301309
PLN 94.95
Free delivery - Tue, Nov 25
If paid before 14:00
Part no. 9199491
BMW Mini Clubman R55 Cable Wiring Loom Splitdoor Door Rear Left N/S 9199491
PLN 42.95
Delivery - Tue, Nov 25
If paid before 14:00
Part no. 4F0919887M
Audi A5 8T Navigation System Car Sat Nav Computer Head Unit 4F0919887M
PLN 237.95
Free delivery - Tue, Nov 25
If paid before 14:00
Part no. 8602802
BMW i3 I01 Hybrid Rex Engine Wiring Cable Harness Bracket Mount Trim 8602802
PLN 42.95
Delivery - Tue, Nov 25
If paid before 14:00
Part no. DE8T19H463DC
Ford Transit Connect Mk2 II Rain Sensor Control Unit Module FoMoCo DE8T19H463DC
PLN 42.95
Delivery - Tue, Nov 25
If paid before 14:00
Part no. 4H0971104S
Audi A8 D4 Rear Bumper PDC Parking Sensor Wiring Harness Loom Cable 4H0971104S
PLN 142.95
Free delivery - Tue, Nov 25
If paid before 14:00
Part no. 9302256
BMW F10 F20 F30 Reversing Camera ECU Control Unit Module 9302256
PLN 379.95
Free delivery - Tue, Nov 25
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 - Tue, Nov 25
If paid before 14:00
Part no. 9259800
BMW F10 F12 F13 F20 F30 F06 Mini F55 F56 F57 DVD CD Changer Control Unit 9259800
PLN 284.95
Free delivery - Tue, Nov 25
If paid before 14:00
Part no. A2465409611
Mercedes-Benz A B Class W176 W246 Battery Surround Trim Box Bracket A2465409611
PLN 61.95
Free delivery - Tue, Nov 25
If paid before 14:00
Part no. a0045468040
Mercedes W204 W212 W221 Power Distributor Box Conectors Socket A0045468040
PLN 47.95
Delivery - Tue, Nov 25
If paid before 14:00
Part no. A6421508900-6
Mercedes W207 E350 OM642.838 Engine Control Unit ECU Kit A6421508900 Automatic
PLN 1,899.95
Free delivery - Tue, Nov 25
If paid before 14:00
Part no. 6936649
BMW 1 3 X1 Series E81 E84 E87 E90 E91 LCI Power Distribution Box Black 6936649
PLN 42.95
Delivery - Tue, Nov 25
If paid before 14:00
Part no. A0025429319
Mercedes C117 W166 W176 W205 X253 Relay Black Control Unit 4 Pin 12V A0025429319
PLN 75.95
Free delivery - Tue, Nov 25
If paid before 14:00
Part no. 6825541
BMW F20 F21 F22 F30 F32 Front Electronic Module Control Unit FEM 6825541
PLN 474.95
Free delivery - Tue, Nov 25
If paid before 14:00
Part no. 4L0907468B
Audi Q7 4L Gateway Module Central Control Unit 4L0907468B
PLN 42.95
Delivery - Tue, Nov 25
If paid before 14:00
Part no. 7928461
BMW G11 G12 G29 G31 G38 Radio Remote Control Receiver Module Unit 7928461
PLN 42.95
Delivery - Tue, Nov 25
If paid before 14:00
Part no. 8E0035111D
Audi TT 8J Radio Head Unit Navi CD DVD Player Changer 8E0035111D
PLN 42.95
Delivery - Tue, Nov 25
If paid before 14:00
Part no. 8632687
BMW i3 I01 Engine Motor Sensors Module Wiring Cable Wire Harness 8632687
PLN 94.95
Free delivery - Tue, Nov 25
If paid before 14:00
Part no. 3Q0907530AG
Audi Q2 Q3 F3 1.5 TFSI Gateway Control Unit Module ECU 3Q0907530AG
PLN 94.95
Free delivery - Tue, Nov 25
If paid before 14:00
Part no. 8J0971226
Audi TT 8J Negative Battery Cable Lead 8J0971226
PLN 61.95
Free delivery - Tue, Nov 25
If paid before 14:00
Part no. A2059009643
Mercedes W205 Telematics Bluetooth Module Control Unit ECU A2059009643
PLN 189.95
Free delivery - Tue, Nov 25
If paid before 14:00
Part no. 8570676
BMW F30 F32 LCI N57N N57Z Diesel Engine Alternator Generator 230A Valeo 8570675
PLN 227.95
Free delivery - Tue, Nov 25
If paid before 14:00
Part no. A1645400762
Mercedes W164 W211 C219 Tyre Pressure Monitor Control Unit Module A1645400762
PLN 56.95
Delivery - Tue, Nov 25
If paid before 14:00
Part no. 06H903017EX
Audi A3 8P Engine Alternator Generator 14V 140A 1.8 TFSI CDAA 06H903017E
PLN 165.95
Free delivery - Tue, Nov 25
If paid before 14:00
Part no. 8385164-2
BMW 7 Series 2 E65 E66 Battery B Engine Compartment Terminal Point 8385164
PLN 61.95
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 .