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. A2479001709
Mercedes W907 Radio Control Unit ECU Module A2479001709
PLN 85.95
Free delivery - Tue, Jan 13
If paid before 14:00
Part no. A4535402703
Smart ForTwo C453 Battery Negative Minus Wiring Cable A4535402703
PLN 142.95
Free delivery - Tue, Jan 13
If paid before 14:00
Part no. 7641003-2
Mini Cooper S R55 R56 R57 N14 1.6 174HP ECU Kit DME 7641003 CAS3 Key Automatic
PLN 2,849.95
Free delivery - Tue, Jan 13
If paid before 14:00
Part no. A2709002100-9
Mercedes W176 A160 W246 B160 270.910 102HP Engine ECU Unit A2709002100 Manual
PLN 522.95
Free delivery - Tue, Jan 13
If paid before 14:00
Part no. A2045451040
Mercedes W204 W212 Multimedia Interface Unit Module Bracket Mount A22045451040
PLN 94.95
Free delivery - Tue, Jan 13
If paid before 14:00
Part no. 8V0035398A
Audi A3 8V A-Pillar Speaker Tweeter Front Left Right N/O/S 8V0035398A
PLN 42.95
Delivery - Tue, Jan 13
If paid before 14:00
Part no. A0038212751
Mercedes-Benz M S W221 ML W164 Airbag Impact Crash Sensor Door A0038212751
PLN 47.95
Delivery - Tue, Jan 13
If paid before 14:00
Part no. 8671504-1
Starter BMW G20 G21 G30 G32GT G01 G05 Starter Motor Valeo 8671504
PLN 237.95
Free delivery - Tue, Jan 13
If paid before 14:00
Part no. 8R0959655G
Audi Q5 8R Air Module Control Unit SRS System ECU 8R0959655G
PLN 94.95
Free delivery - Tue, Jan 13
If paid before 14:00
Part no. 0281003028
VW Volkswagen Crafter I Glow Plug Relay Module Unit 0281003028 07Z907281
PLN 61.95
Free delivery - Tue, Jan 13
If paid before 14:00
Part no. 9292655
BMW F20 F21 F22 F30 F31 F32 F36 Module Control Unit FEM ECU LR01 9292655
PLN 474.95
Free delivery - Tue, Jan 13
If paid before 14:00
Part no. 8506666-5
Mini One R56 LCI 90HP N47N Diesel Engine ECU Control Unit DDE 8506666 Manual
PLN 427.95
Free delivery - Tue, Jan 13
If paid before 14:00
Part no. 9394665
BMW F10 Footwell Light Module Control Unit ECU 9394665
PLN 474.95
Free delivery - Tue, Jan 13
If paid before 14:00
Part no. A2124400414
Mercedes C207 W207 W212 Fuel Pump Module Diesel Control Unit ECU A2124400414
PLN 75.95
Free delivery - Tue, Jan 13
If paid before 14:00
Part no. A2048203285
Mercedes W204 Xenon Headlight Ballast Control Unit Module A2048203285
PLN 664.95
Free delivery - Tue, Jan 13
If paid before 14:00
Part no. 0C8927750D
VW Touareg 7P Automatic Transmission Module Control Unit ECU 3.0 TDI 0C8927750D
PLN 1,139.95
Free delivery - Tue, Jan 13
If paid before 14:00
Part no. A6681530979
Mercedes W168 A 160 CDI OM668 Engine Control Module A6681530979
PLN 108.95
Free delivery - Tue, Jan 13
If paid before 14:00
Part no. A0009056001
Battery Cable Mercedes W213 S213 Negative Lead Wiring Harness A0009056001
PLN 123.95
Free delivery - Tue, Jan 13
If paid before 14:00
Part no. 8W0915181
Audi TT FV 8S Negative Battery Cable Lead Monitoring Module 8W0915181
PLN 70.95
Free delivery - Tue, Jan 13
If paid before 14:00
Part no. 9238195
Fuse Box Grouping BMW F10 F11 F12 Fuse Placement Map Card Diagram 9238195
PLN 37.95
Delivery - Tue, Jan 13
If paid before 14:00
Part no. A4159007503
Mercedes Citan W415 Body Control Module Unit BCM ECU A4159007503 284B18276R
PLN 664.95
Free delivery - Tue, Jan 13
If paid before 14:00
Part no. 5WA980653D
Volkswagen Golf CD1 Camera Lane Assist Control ECU Module Unit 5WA980653D
PLN 379.95
Free delivery - Tue, Jan 13
If paid before 14:00
Part no. 8P0953519G
Audi TT 8J A3 8P Windscreen Wiper Stalk Switch Assembly 8P0953519G
PLN 42.95
Delivery - Tue, Jan 13
If paid before 14:00
Part no. 9253209
BMW E81 E87 LCI E90 E91 N43 DC/DC Wandler Torque Converter Module ECU 9253209
PLN 42.95
Delivery - Tue, Jan 13
If paid before 14:00
-33%
Part no. A9079000304
Mercedes Sprinter W907 W910 Air Module Sensor Unit ECU A9079000304
Promo price
PLN 408.95
PLN 275.95
Free delivery - Tue, Jan 13
If paid before 14:00
Part no. 9355549
BMW 1 2 3 4 Series F20 F22 F21 F30 F32 LCI ECU USB Hub Module 9355549
PLN 142.95
Free delivery - Tue, Jan 13
If paid before 14:00
Part no. A0005455916
Mercedes W204 Automatic Gearbox Transmission Module Unit ECU A0005455916
PLN 94.95
Free delivery - Tue, Jan 13
If paid before 14:00
Part no. 9252549
BMW F12 Front Seat Control Unit Module Memory ECU 9252549
PLN 237.95
Free delivery - Tue, Jan 13
If paid before 14:00
Part no. A6421509777-1
Mercedes W221 S320 CDI 232HP Engine Control Module ECU Set A6421509777 Automatic
PLN 1,139.95
Free delivery - Tue, Jan 13
If paid before 14:00
Part no. 9347822-1
BMW F10 F11 F20 F30 Head Unit Navigation Sat Nav High Control Module 9347822
PLN 569.95
Free delivery - Tue, Jan 13
If paid before 14:00
Part no. A2125406105
Mercedes W212 Rear LED Wiring Cable Harness Loom A2125406105
PLN 123.95
Free delivery - Tue, Jan 13
If paid before 14:00
Part no. 9137703
Mini Cooper One R55 R56 Door Wiring Harness Factory Right O/S 9137703
PLN 42.95
Delivery - Tue, Jan 13
If paid before 14:00
Part no. A0015423723
Mercedes A E Class W169 W211 Parking Sensor Display Control PDC A0015423723
PLN 47.95
Delivery - Tue, Jan 13
If paid before 14:00
Part no. 7804127
BMW E60 E61 LCI 520d Cable Alternator Starter Base B 7804127
PLN 42.95
Delivery - Tue, Jan 13
If paid before 14:00
Part no. A2215400205
Mercedes W221 Brake Pad Wear Indicator Sensor Front Left Right N/O/S A2215400205
PLN 94.95
Free delivery - Tue, Jan 13
If paid before 14:00
Part no. A0035420219-1
Relay Mercedes W639 W906 5-Pin Black 12V 20A A0035420219 Set X2
PLN 94.95
Free delivery - Tue, Jan 13
If paid before 14:00
Part no. A2118701185
Air Module Mercedes W211 W219 Control Unit ECU A2118701185
PLN 85.95
Free delivery - Tue, Jan 13
If paid before 14:00
Part no. 8370933
BMW 3 5 6 Series E60 E61 E63 E90 Support Bracket Navigation Computer 8370933
PLN 42.95
Delivery - Tue, Jan 13
If paid before 14:00
Part no. 4E0862150
Audi S8 D3 Fuel Tank Flap Actuator Motor Electric Linkage 4E0862150
PLN 42.95
Delivery - Tue, Jan 13
If paid before 14:00
Part no. A2135406831
Mercedes W213 Rear Door Wiring Harness Keyless Left Right N/O/S A2135406831
PLN 113.95
Free delivery - Tue, Jan 13
If paid before 14:00
Part no. 7510646
BMW 7 Series E65 E66 E67 Ventilation Hose E-Box Fan 7510646 12907510646
PLN 37.95
Delivery - Tue, Jan 13
If paid before 14:00
Part no. 8380407-1
BMW X5 E53 Power Distribution Fusebox Cover Fuse Box 8380407
PLN 61.95
Free delivery - Tue, Jan 13
If paid before 14:00
Part no. 8K0907063DH
Audi A5 8T Onboard Comfort Supply Control Module Unit ECU 8K0907063DH
PLN 237.95
Free delivery - Tue, Jan 13
If paid before 14:00
Part no. 443937105A
VW Volkswagen Audi Skoda Seat Little Fuse Amp 30A 12V 443937105A
PLN 42.95
Delivery - Tue, Jan 13
If paid before 14:00
Part no. A2079011700
Airbag Module Mercedes W204 W207 Air Bag SRS Control Unit ECU A2079011700
PLN 66.95
Free delivery - Tue, Jan 13
If paid before 14:00
Part no. 8X0959793K
Audi A1 8X Door Module Front Right O/S Driver's Side Control Unit ECU 8X0959793K
PLN 61.95
Free delivery - Tue, Jan 13
If paid before 14:00
Part no. A1685400830
Mercedes A W168 Petrol Engine Starter Alternator Electrical Cable A1685400830
PLN 123.95
Free delivery - Tue, Jan 13
If paid before 14:00
Part no. 80A907159
Audi SQ5 FY Control Unit Module Active Sound Design 80A907159
PLN 327.95
Free delivery - Tue, Jan 13
If paid before 14:00
Part no. 6913896
BMW Z4 E85 E86 Aerial Antenna Amplifier Module Rod 6913896
PLN 42.95
Delivery - Tue, Jan 13
If paid before 14:00
Part no. A2049006003
Radio Player Mercedes W204 Audio 20 Navi CD Player Head Unit A2049006003
PLN 902.95
Free delivery - Tue, Jan 13
If paid before 14:00
Part no. 8621500
BMW F20 F21 F30 LCI Petrol N13 N20 Cable Alternator Starter Base B+ 8621500
PLN 61.95
Free delivery - Tue, Jan 13
If paid before 14:00
Part no. lhd-A2215403310
Mercedes W221 Battery Electrical Ground Line Wire Earth Cable A2215403310
PLN 94.95
Free delivery - Tue, Jan 13
If paid before 14:00
Part no. 9362445
BMW F20 F21 F22 Audio Amplifier Harman Kardon Active Sound Design Unit 9362445
PLN 379.95
Free delivery - Tue, Jan 13
If paid before 14:00
Part no. 7N0959795
Skoda Yeti 5L Door Control Unit Module ECU Rear Left N/S 7N0959795
PLN 42.95
Delivery - Tue, Jan 13
If paid before 14:00
Part no. 5F4971693
Audi A1 8X Door Window Switch Loom Cable Rear Left Right N/O/S 5F4971693
PLN 42.95
Delivery - Tue, Jan 13
If paid before 14:00
Part no. A1636880035-1
Mercedes-Benz M-Class ML W163 1 Fuse Box Relay Lid Cover Trim A1636880035
PLN 42.95
Delivery - Tue, Jan 13
If paid before 14:00
Part no. 9140179
BMW F10 Radio Antenna Amplifier Suppression Filter 9140179
PLN 42.95
Delivery - Tue, Jan 13
If paid before 14:00
Part no. 8W0035192E
Audi A4 B9 Multimedia Stereo Sat Nav SD CD Player Radio Head Unit 8W0035192E
PLN 1,139.95
Free delivery - Tue, Jan 13
If paid before 14:00
Part no. 7823731
BMW E84 E90 E91 LCI 320xd N47 Cable Alternator Starter Base B
PLN 42.95
Delivery - Tue, Jan 13
If paid before 14:00
Part no. 8R0907468L
Audi A5 8F Gateway Control Unit Module ECU 8R0907468L
PLN 42.95
Delivery - Tue, Jan 13
If paid before 14:00
Part no. A1698209226
Door Control Module Mercedes W169 W245 Relay Unit Right Rear O/S A1698209226
PLN 61.95
Free delivery - Tue, Jan 13
If paid before 14:00
Part no. 7520019-5
MINI Cooper S R52 R53 W11 170HP Engine Control Unit ECU DME 7520019 Manual
PLN 189.95
Free delivery - Tue, Jan 13
If paid before 14:00
Part no. 1Z0035729E
Seat Ibiza 6J Bluetooth Interface Box Control Unit Module ECU 1Z0035729E
PLN 113.95
Free delivery - Tue, Jan 13
If paid before 14:00
Part no. A2139002817
Mercedes W177 W205 C257 Radar Sensor Front Control Unit Module A2139002817
PLN 712.95
Free delivery - Tue, Jan 13
If paid before 14:00
Part no. 8P0035785
Audi A3 8P MMI Multimedia Interface Unit Module Control ECU 8P0035785
PLN 189.95
Free delivery - Tue, Jan 13
If paid before 14:00
Part no. 8644475
BMW Mini Cooper F55 F56 F57 Integrated Supply Module Z11 8644475 12638644475
PLN 42.95
Delivery - Tue, Jan 13
If paid before 14:00
Part no. 8585933
Wiring Loom Harness BMW F20 F30 F36 LCI B47 Engine Gearbox Module 8585933
PLN 522.95
Free delivery - Tue, Jan 13
If paid before 14:00
Part no. 6C11-3C190-AB
Ford Transit MK7 Yaw Sensor ESP Rotation Rate Control Unit Module 6C11-3C190-AB
PLN 42.95
Delivery - Tue, Jan 13
If paid before 14:00
Part no. 7556880
Engine Wiring BMW Z4 E85 E86 Petrol N52 Loom Harness Module Manual 7556880
PLN 949.95
Free delivery - Tue, Jan 13
If paid before 14:00
Part no. 35962
BMW X3 Series E53 E83 iPod Interface Retrofit Connection Module 0035962
PLN 142.95
Free delivery - Tue, Jan 13
If paid before 14:00
Part no. 5F4035225
Seat Leon Mk3 Antenna Amplifier Module AM/FM Left N/S Aerial Booster 5F4035225
PLN 189.95
Free delivery - Tue, Jan 13
If paid before 14:00
Part no. 8649179
BMW X5 F15 Positive Wiring Harness Cable Battery 8649179
PLN 379.95
Free delivery - Tue, Jan 13
If paid before 14:00
Part no. 4K0941572CS
Audi A3 8Y LED Headlight Headlamp Ballast Control Module 4K0941572CS
PLN 161.95
Free delivery - Tue, Jan 13
If paid before 14:00
Part no. 06E971627M
Fuel Injector Wiring Audi S4 B8 A6 A7 C7 4G 3.0 V6 TFSI Wiring Cable 06E971627M
PLN 61.95
Free delivery - Tue, Jan 13
If paid before 14:00
Part no. 6837359
Air Module BMW F01 LCI F07 F10 F11 F22 F25 Control ECU 6837359
PLN 94.95
Free delivery - Tue, Jan 13
If paid before 14:00
Part no. 7639661
BMW F20 Alternator Engine Alternator Generator Denso 170A Petrol N55 7639661
PLN 142.95
Free delivery - Tue, Jan 13
If paid before 14:00
Part no. 6856980
BMW F01 F10 F11 F30 F31 AHK Towing Hitch Tow Bar Control Module Unit ECU 6856980
PLN 474.95
Free delivery - Tue, Jan 13
If paid before 14:00
Part no. 9268438
BMW F10 F11 F01 F02 F03 Crash Impact Air Module Central Sensor Unit 9268438
PLN 94.95
Free delivery - Tue, Jan 13
If paid before 14:00
Part no. A1779069601
Mercedes W177 W247 Fuse Box Front Relay Engine Control Unit Module A1779069601
PLN 189.95
Free delivery - Tue, Jan 13
If paid before 14:00
Part no. A1729007600
Seat Module Mercedes W204 Front Right O/S Memory Control Unit A1729007600
PLN 237.95
Free delivery - Tue, Jan 13
If paid before 14:00
Part no. A0035423019
Power Relay Control Mercedes W176 W246 Module 4 Pin 12V 20A A0035423019
PLN 42.95
Delivery - Tue, Jan 13
If paid before 14:00
Part no. 8617709
BMW Mini Cooper F55 F56 Wiring Harness Motor Sensorsystem Module 8617709
PLN 503.95
Free delivery - Tue, Jan 13
If paid before 14:00
Part no. 8582280-3
BMW F20 F21 116d N47N 116HP ECU Kit DDE 8582280 + Key + Lock + FEM Manual
PLN 1,234.95
Free delivery - Tue, Jan 13
If paid before 14:00
Part no. 5Q0937084DC
Audi A3 RS3 8V Body Control Module BCM Control Unit ECU Power Supply 5Q0937084DC
PLN 132.95
Free delivery - Tue, Jan 13
If paid before 14:00
Part no. A1644400937
Mercedes ML W164 Rear Bumper PDC Wiring Parking Sensor Loom Harness A1644400937
PLN 151.95
Free delivery - Tue, Jan 13
If paid before 14:00
Part no. 8574095
BMW F20 F21 F30 F31 116d 316d 118d 318d Diesel N47N Engine ECU 8574095 Manual
PLN 170.95
Free delivery - Tue, Jan 13
If paid before 14:00
Part no. 5L0051236H
Skoda Yeti 5L Octavia III Card Map Sat Navi Navigation Europe 2015 5L0051236H
PLN 80.95
Free delivery - Tue, Jan 13
If paid before 14:00
Part no. A2469003615
Mercedes GLA X156 Tailgate Lift Boot Lid Control Unit Module A2469003615
PLN 284.95
Free delivery - Tue, Jan 13
If paid before 14:00
Part no. 9268336
BMW MINI Clubman R55 R55N LCI Cable Adapter Lead Sensor Side Airbag 9207117
PLN 47.95
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. 8517727
Mini Cooper D R60 N47N Engine Control Unit ECU 8517727 Manual
PLN 237.95
Free 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. BK2T18D815GD
Ford Transit Custom MK8 Radio Stereo Audio USB Head Unit Panel BK2T18D815GD
PLN 237.95
Free delivery - Tue, Jan 13
If paid before 14:00
Part no. A2465405933
Battery Cable Mercedes W176 W246 Terminal Starter Wiring Harness A2465405933
PLN 42.95
Delivery - Tue, Jan 13
If paid before 14:00
Part no. 6949229-2
4 x Mini R52 Convertible DWA Door Alarm System Module Control Unit Set 6949229
PLN 56.95
Delivery - Tue, Jan 13
If paid before 14:00
Part no. 4F0919129C
Audi A8 D4 A6 C6 TV Tuner Digital Video Control Module 4F0919129C
PLN 142.95
Free delivery - Tue, Jan 13
If paid before 14:00
Part no. A1765404609
Mercedes W176 Rear Bumper PDC Wiring Loom Parking Sensor Cable Harness 9364201
PLN 237.95
Free delivery - Tue, Jan 13
If paid before 14:00
Part no. 6825538
Comfort Module Unit BMW F20 F21 F30 F31 F32 Body Control FEM ECU LR01 6825538
PLN 379.95
Free delivery - Tue, Jan 13
If paid before 14:00
Part no. 5Q0971250N
Audi A3 8V Volkswagen VW Golf Mk7 Negative Cable Ground Wire Harness 5Q0971250N
PLN 42.95
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 .