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.
Make
Category
Subcategory
Condition
In Stock
Price
Part no. 9342033-1
BMW F10 F20 F30 Head Unit Media Navigation Headunit Player 9342033
PLN 379.95
Free delivery - Wed, Jan 14
If paid before 14:00
Part no. 6948182
BMW E60 E61 LCI Alarm System Unit Ultra Sonic Module
PLN 42.95
Delivery - Wed, Jan 14
If paid before 14:00
Part no. A1331510745
Mercedes C117 CLA 45 AMG Heat Shield Alternator Plate Petrol M133 A1331510745
PLN 94.95
Free delivery - Wed, Jan 14
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 - Wed, Jan 14
If paid before 14:00
Part no. 8517862-3
BMW F20 F30 F32 120d 320d 420d Diesel N47N 184HP ECU Kit DDE 8517862 + Key + FEM
PLN 1,044.95
Free delivery - Wed, Jan 14
If paid before 14:00
Part no. 7857786
BMW F09 F10 F12 F13 Differential Locking Module Control Unit ECU 7857786
PLN 189.95
Free delivery - Wed, Jan 14
If paid before 14:00
Part no. A2045409533
Mercedes W204 Door Wiring Front Right O/S Door Cable Harness A2045409533
PLN 75.95
Free delivery - Wed, Jan 14
If paid before 14:00
Part no. 5B4E028
Remote Control Receiver BMW F70 X5 G05 G60 U06 Mini F65 Radio Module 5B4E028
PLN 113.95
Free delivery - Wed, Jan 14
If paid before 14:00
Part no. 03E906019M-2
Volkswagen Polo 6R 1.2 Petrol CGPB 60HP Engine Control ECU Kit 03E906019M Manual
PLN 664.95
Free delivery - Wed, Jan 14
If paid before 14:00
Part no. A2079057501
Mercedes E-Class W207 Cabrio A207 ITS Camera Control Unit Module ECU
PLN 123.95
Free delivery - Wed, Jan 14
If paid before 14:00
Part no. 7638003
BMW F20 F21 F22 F23 F34 LCI F22 F30 F36 Starter Ground Cable 7638003
PLN 94.95
Free delivery - Wed, Jan 14
If paid before 14:00
Part no. 9165623
BMW X5 X6 Series E70 E71 Airbag Control ECU Unit Module 9165623
PLN 47.95
Delivery - Wed, Jan 14
If paid before 14:00
Part no. A2059006047
SAM Module Mercedes W205 GLC X253 Rear Comfort Control Unit ECU A2059006047
PLN 474.95
Free delivery - Wed, Jan 14
If paid before 14:00
Part no. 9264917
BMW Z4 E89 Roadster Air Module Control Unit ECU 9264917
PLN 94.95
Free delivery - Wed, Jan 14
If paid before 14:00
Part no. 9261592
BMW F20 F21 F30 Ultrasonic Parking Sensor PDC Front Havanna Metallic - A17
PLN 108.95
Free delivery - Wed, Jan 14
If paid before 14:00
Part no. 7L0937576B
Audi Q7 4L Fuse Box Trim Cover Panel Electrical Unit Housing 7L0937576B
PLN 42.95
Delivery - Wed, Jan 14
If paid before 14:00
Part no. 9321879
BMW F10 LCI Body Control Module Gateway ECU 9321879
PLN 94.95
Free delivery - Wed, Jan 14
If paid before 14:00
Part no. 99661510200
Porsche Boxster 986 Rear Spoiler Control Relay 99661510200
PLN 42.95
Delivery - Wed, Jan 14
If paid before 14:00
Part no. 7810860-1
BMW 3 Series E90 E91 E92 E93 LCI N47N Engine Alternator Starter Cable B 7810860
PLN 47.95
Delivery - Wed, Jan 14
If paid before 14:00
Part no. 8506199-2
BMW E60 E61 LCI 520d N47 Diesel Engine ECU Kit DDE CAS3 + Key 8506199
PLN 1,092.95
Free delivery - Wed, Jan 14
If paid before 14:00
Part no. 3C0907651
Volkswagen VW Golf Mk6 1K Acceleration Sensor 3C0907651
PLN 42.95
Delivery - Wed, Jan 14
If paid before 14:00
Part no. A1665402709
Mercedes W166 Automatic Gearbox Wiring Loom Harness Cable A1665402709
PLN 170.95
Free delivery - Wed, Jan 14
If paid before 14:00
Part no. 3448466
Mini Cooper R55 R56 Control Unit Module Passive Go 3448466
PLN 237.95
Free delivery - Wed, Jan 14
If paid before 14:00
Part no. 9382516
PDC Module BMW F15 F16 F25 Mini F55 F56 Parking Assistant Control Unit 9382516
PLN 123.95
Free delivery - Wed, Jan 14
If paid before 14:00
Part no. 1508931-1
Mini Cooper S R53 Positive Battery Cable Plus Pole Wiring Loom Harness 1508931
PLN 332.95
Free delivery - Wed, Jan 14
If paid before 14:00
Part no. 9340522
BMW 5 F10 LCI Central Gateway Module ECU Control Unit LEAR ZGW-02 4SK 9340522
PLN 237.95
Free delivery - Wed, Jan 14
If paid before 14:00
Part no. 9360501-2
Distribution Fuse Box BMW F40 F48 Mini F56 Rear Electric Power Fuse Box 9360501
PLN 66.95
Free delivery - Wed, Jan 14
If paid before 14:00
Part no. 7612815
BMW F10 M5 F12 F13 M6 F07 X5 F15 Starter Motor 428000-8530 12V 7612815
PLN 123.95
Free delivery - Wed, Jan 14
If paid before 14:00
Part no. A2215450601
Mercedes W221 Dashboard Fuse Box Front Left N/S Control Module A2215450601
PLN 75.95
Free delivery - Wed, Jan 14
If paid before 14:00
Part no. 7520933
Mini Cooper One W10 R52 Wiring Harness Loom Engine 7520933 7531839 7514274
PLN 74.95
Free delivery - Wed, Jan 14
If paid before 14:00
Part no. A0009058100
Mercedes ML W166 GL X166 SL R231 C292 Crash Impact Sensor A0009058100
PLN 42.95
Delivery - Wed, Jan 14
If paid before 14:00
Part no. 4L2035670J
Audi Q7 4L Head Unit Radio Player Navigation Control Module Alpine 4L2035670J
PLN 1,899.95
Free delivery - Wed, Jan 14
If paid before 14:00
Part no. 6807633
Control Unit BMW F01 F07 F10 F11 F25 Air Module ECU Unit Continental 6807633
PLN 142.95
Free delivery - Wed, Jan 14
If paid before 14:00
Part no. 7P0907311-1
Volkswagen Touareg 7P 3.0 TDI CASD 204HP Engine Unit ECU Set 7P0907311 Automatic
PLN 2,944.95
Free delivery - Wed, Jan 14
If paid before 14:00
Part no. 4F1971693D
Audi A6 C6 Rear Door Wiring Left Right N/O/S Harness Loom Cable 4F1971693D
PLN 61.95
Free delivery - Wed, Jan 14
If paid before 14:00
Part no. 8E0910115N
Audi A4 B7 2.0 TFSI BUL Quattro 220HP Engine Control ECU Kit 8E0910115H Manual
PLN 664.95
Free delivery - Wed, Jan 14
If paid before 14:00
Part no. 2Q0971537AB
VW Polo Mk6 Seat Ibiza Mk5 KJ1 Battery Negative Cable Earth Wiring 2Q0971537AB
PLN 94.95
Free delivery - Wed, Jan 14
If paid before 14:00
Part no. A2229001306
Mercedes W910 Gearbox Module Transmission Basic Control Unit A2229001306
PLN 123.95
Free delivery - Wed, Jan 14
If paid before 14:00
Part no. 9119578
Antenna Amplifier BMW Z4 E85 E86 Rod Antenna Unit Module 9119578
PLN 47.95
Delivery - Wed, Jan 14
If paid before 14:00
Part no. 8X0959673
Audi A1 8X Windscreen Heating Control Switch 8X0959673
PLN 42.95
Delivery - Wed, Jan 14
If paid before 14:00
Part no. A6394407810
Wiring Loom Mercedes W639 Vito Cable Front Door Left Right N/O/S A6394407810
PLN 47.95
Delivery - Wed, Jan 14
If paid before 14:00
Part no. 7843349
BMW F10 F11 LCI M5 F06 F13 M6 S63N Cable Alternator Starter Base B+ 7843349
PLN 151.95
Free delivery - Wed, Jan 14
If paid before 14:00
Part no. 8720302
BMW 1 3 Series F20 F31 LCI Telematics Control Unit Module ATM ECE 4G 8720302
PLN 233.95
Free delivery - Wed, Jan 14
If paid before 14:00
Part no. A2239052400
Mercedes W177 W223 W247 Crash Impact Deployment Sensor Unit A2239052400
PLN 75.95
Free delivery - Wed, Jan 14
If paid before 14:00
Part no. 4E0035225BQ
Audi A8 D3 Aerial Amplifier Antenna Receiver Signal Booster Unit 4E0035225BQ
PLN 142.95
Free delivery - Wed, Jan 14
If paid before 14:00
Part no. 06J971082D
Audi Q3 8U Engine Injector Module Wiring Harness Cable 2.0 TFSI 06J971082E
PLN 85.95
Free delivery - Wed, Jan 14
If paid before 14:00
Part no. 7527610-13
MINI One R50 W10 90HP Engine ECU Control Unit Module DME 7527610 Automatic
PLN 123.95
Free delivery - Wed, Jan 14
If paid before 14:00
Part no. 9231280-TS
BMW F07 Parking Module PDC Distance Control Unit Sensor Titan Silver - 354
PLN 94.95
Free delivery - Wed, Jan 14
If paid before 14:00
Part no. 2752518
BMW Mini Cooper R55 R56 Control Unit Module Bracket Holder PGS 2752518
PLN 42.95
Delivery - Wed, Jan 14
If paid before 14:00
Part no. 3417160
BMW X3 E83 LCI Cable Alternator Starter Base B 3417160
PLN 61.95
Free delivery - Wed, Jan 14
If paid before 14:00
Part no. A2218203375
Mercedes W221 Bluetooth Antenna AMP Amplifier Module A2218203375
PLN 42.95
Delivery - Wed, Jan 14
If paid before 14:00
Part no. A2048704626
Door Module Mercedes W204 Rear Right O/S Control Unit Module A2048704626
PLN 47.95
Delivery - Wed, Jan 14
If paid before 14:00
Part no. 4H0907801F
Audi A6 C7 Parking Brake Handbrake Module Control Unit 4H0907801F
PLN 61.95
Free delivery - Wed, Jan 14
If paid before 14:00
Part no. 8385159-1
BMW X3 E83 E46 Battery Cable Holder Mounting B Base Trim Carrier 8385159
PLN 43.95
Delivery - Wed, Jan 14
If paid before 14:00
Part no. 9284976
BMW F13 F12 F06 Daschboard Display Central Information Display Monitor 9284976
PLN 474.95
Free delivery - Wed, Jan 14
If paid before 14:00
Part no. 04L907309R-3
Audi A3 8V VW Golf VII 2.0 TDI 150HP CRLB Engine Unit ECU Kit 04L907309R Manual
PLN 569.95
Free delivery - Wed, Jan 14
If paid before 14:00
Part no. A2079012500
Air Module Mercedes C204 C207 Sensor Control Unit ECU A2079012500
PLN 142.95
Free delivery - Wed, Jan 14
If paid before 14:00
Part no. 04E907309AB
Audi A3 8V 1.4 TFSI CZEA 150HP Engine Control Unit ECU Kit 04E907309AB Manual
PLN 947.95
Free delivery - Wed, Jan 14
If paid before 14:00
Part no. 2191045
Ford Transit Connect Glow Plug Wiring Loom Cable Wire 1.5 TDCi Diesel 2191045
PLN 75.95
Free delivery - Wed, Jan 14
If paid before 14:00
Part no. A2059006651
Mercedes C205 GLC C253 Body Control Comfort Module Unit SAM BCM A2059006651
PLN 949.95
Free delivery - Wed, Jan 14
If paid before 14:00
Part no. 7939175
Mini F54 F55 F56 F57 F60 Rain Light Solar HUD Sensor 9496244
PLN 284.95
Free delivery - Wed, Jan 14
If paid before 14:00
Part no. 9335243
Head-Up Display Mini Cooper F54 F55 F56 F57 Hud Project Dash Screen 9335243
PLN 949.95
Free delivery - Wed, Jan 14
If paid before 14:00
Part no. 9361116
BMW F10 LCI Body Control Module ECU Unit JBBFEIII V2 PL6 9361116
PLN 237.95
Free delivery - Wed, Jan 14
If paid before 14:00
Part no. A1779007716
Mercedes W177 Front Door Control Module Left Right N/O/S Unit ECU A1779007716
PLN 265.95
Free delivery - Wed, Jan 14
If paid before 14:00
Part no. 6904165
BMW X5 E53 Front Dashboard Centre Console Lighter Wiring Loom Harness 6904165
PLN 42.95
Delivery - Wed, Jan 14
If paid before 14:00
Part no. 8507912
BMW F30 F31 Engine Wiring Loom N47N Harness Automatic Gearbox 7549282
PLN 189.95
Free delivery - Wed, Jan 14
If paid before 14:00
Part no. 5QA919283B
Skoda Octavia 5E III Park Parking Assist PDC Distance Control Module 5QA919283B
PLN 61.95
Free delivery - Wed, Jan 14
If paid before 14:00
Part no. GK3T-14A120-AC
Ford Transit Positive Battery Lead Harness Wiring Cable Loom GK3T-14A120-AC
PLN 218.95
Free delivery - Wed, Jan 14
If paid before 14:00
Part no. 8720310
Telematics Module Mini F54 F55 F56 F60 Bluetooth Control Unit ECU 8720310
PLN 265.95
Free delivery - Wed, Jan 14
If paid before 14:00
Part no. 6858698
BMW F20 F21 F22 F30 F31 ECU ICM Plus Control Unit Module 6858698
PLN 42.95
Delivery - Wed, Jan 14
If paid before 14:00
Part no. 6933264
BMW E65 E66 Control Unit Door Rear Passenger Side 6933264
PLN 42.95
Delivery - Wed, Jan 14
If paid before 14:00
Part no. 059911024E
Audi Q7 4L VW Touareg MK2 3.0 TDI Diesel Starter Motor 059911024E
PLN 189.95
Free delivery - Wed, Jan 14
If paid before 14:00
Part no. A2098209610
Mercedes CLK W209 Convertible Alarm Anti Theft System Control Unit A2098209610
PLN 42.95
Delivery - Wed, Jan 14
If paid before 14:00
Part no. A2218207389
Mercedes W221 Seat Headrest Display Monitor Rear Entertainment Unit A2218207389
PLN 902.95
Free delivery - Wed, Jan 14
If paid before 14:00
Part no. 6977054
BMW X5 E70 Driver Side Front Right O/S Door Cable Harness Wiring 6977054
PLN 94.95
Free delivery - Wed, Jan 14
If paid before 14:00
Part no. 2992478-3
Plug Socket BMW X1 E84 Rear Light In The Side Panel Right O/S Wiring 6984754
PLN 42.95
Delivery - Wed, Jan 14
If paid before 14:00
Part no. 3C0907376A
Volkswagen VW Golf Scirocco Mk3 Electric Damping Control Module 3C0907376A
PLN 94.95
Free delivery - Wed, Jan 14
If paid before 14:00
Part no. A9075406749
Mercedes W907 Battery Electrical Ground Line Wire Earth Cable A9075406749
PLN 94.95
Free delivery - Wed, Jan 14
If paid before 14:00
Part no. 9293242
BMW 3 7 Series F01 F02 LCI F34 Telematics Control Unit Module TCB ECE 9293242
PLN 93.95
Free delivery - Wed, Jan 14
If paid before 14:00
Part no. ML34-13C148-AE
VW Volkswagen Amarok NF Front Lamp Headlight Control Unit Module ML3413C148AE
PLN 303.95
Free delivery - Wed, Jan 14
If paid before 14:00
Part no. 8779030
BMW G30 G31 Body Control Comfort Module Unit FEM ECU V05 8779030
PLN 1,424.95
Free delivery - Wed, Jan 14
If paid before 14:00
Part no. 9114135
BMW X5 X6 Series E70 E71 Power Distribution Fuse Box 9114135
PLN 75.95
Free delivery - Wed, Jan 14
If paid before 14:00
Part no. 9298945
BMW X1 E84 ECU Body Control Module Junction Box H2 PL2RR JBBFE IIIR 9298945
PLN 474.95
Free delivery - Wed, Jan 14
If paid before 14:00
Part no. 8516753-1
BMW F01 730d F07 530d N57 245HP Engine Unit ECU Kit DDE 8516753 Automatic
PLN 759.95
Free delivery - Wed, Jan 14
If paid before 14:00
Part no. 9267980
BMW F10 Fuse Location Diagram Map Fuse Grouping 9267980
PLN 42.95
Delivery - Wed, Jan 14
If paid before 14:00
Part no. 8639595-9
BMW F30 320iX N20 163HP Engine Unit ECU Kit DME 8639595 FEM + Key Automatic
PLN 1,899.95
Free delivery - Wed, Jan 14
If paid before 14:00
Part no. A2208204942-1
Seat Adjustment Motor Mercedes W220 W221 Front Right Actuator O/S A2208204942
PLN 61.95
Free delivery - Wed, Jan 14
If paid before 14:00
Part no. 3421562
Engine Wiring Harness BMW X3 E83 2.0i N46 Wiring Loom Manual Gearbox 3421562
PLN 142.95
Free delivery - Wed, Jan 14
If paid before 14:00
Part no. 3455305-1
2 x Mini R57 R58 R59 DWA Door Alarm System Module Control Unit Set 3455305
PLN 42.95
Delivery - Wed, Jan 14
If paid before 14:00
Part no. 4F1862335
Audi Q7 4L Bluetooth Interface Telephone Control Module ECU Unit 4F1862335
PLN 284.95
Free delivery - Wed, Jan 14
If paid before 14:00
Part no. 95504490277
Porsche Cayenne 955 Telematics Bluetooth Telephone Module Unit 95504490277
PLN 237.95
Free delivery - Wed, Jan 14
If paid before 14:00
Part no. 8W6971030BF
Audi A5 F5 Front Door Wiring Harness Cable Passenger Side 8W6971030BF
PLN 284.95
Free delivery - Wed, Jan 14
If paid before 14:00
Part no. 6905921
BMW 3 5 7 X5 E39 E46 E53 E65 GPS Receiver Control Unit Module Japan 6905921
PLN 122.95
Free delivery - Wed, Jan 14
If paid before 14:00
Part no. 6977398
BMW 5 6 Series E60 E61 E63 R55 R56 Sensor B-pillar Airbag 65776977398 6977398
PLN 13.95
Delivery - Wed, Jan 14
If paid before 14:00
Part no. 7560626
BMW X3 Z4 E83 LCI E85 E86 Power Distribution Module Fuse Box 7560626
PLN 94.95
Free delivery - Wed, Jan 14
If paid before 14:00
Part no. A2048205189
Mercedes-Benz C-Class W204 Aerial Antenna Amplifier Unit A2048205189
PLN 75.95
Free delivery - Wed, Jan 14
If paid before 14:00
Part no. 9287756
Loudspeaker Centre BMW F25 F15 Central Woofer Audio Speaker 9287756
PLN 42.95
Delivery - Wed, Jan 14
If paid before 14:00
Part no. 8K0907279
Audi A5 8T Gateway Convenience Body Module Control Unit ECU 8K0907279C
PLN 42.95
Delivery - Wed, Jan 14
If paid before 14:00
Part no. 9118262
Antenna Amplifier BMW F10 F22 F30 F32 Module Trap Circuit Control Unit 9118262
PLN 47.95
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 .