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. A2139004409
Mercedes W213 Door Module Front Right O/S Control Unit A2139004409
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BMW G16 G26 Tailgate Lift Boot Lid Control Unit Module Trunk 9852925
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BMW Mini Cooper S R56 Automatic Gearbox ECU Control Unit EGS Module 7579136
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Audi A3 8V Wireless Charger Centre Console Phone Charging Module Unit 81A035502
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Mini R56 LCI R60 143HP 2.0 N47N Engine ECU Kit DDE 8517727 + CAS3 + Key
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Mercedes W176 PDC Parking Distance Sensor Module Control Unit ECU A2469008311
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Mercedes W164 M113 Petrol Engine Starter Motor A0061510601
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Volkswagen Scirocco Mk3 1.4 TSI CAVD Engine Control ECU Kit 03C906027G Automatic
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BMW F20 F30 116i 316i N13 136HP Engine Control Unit ECU DME 8625241 Manual
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Audi Q3 8U 2.0 TDI CFGC Fuel Sender Pump Control Module Unit ECU 5Q0906121D
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Ford Mondeo Mk4 Bluetooth USB Module Control Unit 8M5T-19C112-AR
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BMW 1 2 Series 1 F20 F21 F22 Central Information Display Screen 6,5" 9237539
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Mercedes W169 W245 CD Player Radio Audio Head Unit A1698207589
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Radio Head Unit Mercedes W212 COMAND Navi CD DVD Player Control Unit A2129068800
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Mercedes W204 C220CDI BlueEFFICIENCY OM651.911 Engine ECU Kit A6519007500 Key
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Mini Cooper F56 Wiring Driver's Loom Front Right O/S Door Cables 9338910
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Mercedes W169 Fuse Box Cover Trim Panel A1695450003
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ECU Mercedes W124 E280 M103.940 Engine Control Unit Automatic Jetronic
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Alternator BMW F10 F13 F07GT F02 Petrol N63 Alternator valeo 230A 7603779
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CD Radio Player BMW X3 Z4 E83 E85 E86 Radio Business CD Audio Unit 9205278
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Mercedes W164 Central Gateway Control Unit Module A1645405662
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Audi A6 C7 Gateway Convenience Module Unit Body Control ECU 4H0907064FN
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Audi A3 S3 8P Radio Media GPS Sat Audi Navigation Plus Unit 8P0035192QX
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Mercedes W210 E240 112.911 170HP Engine ECU Kit A0265456532 Automatic Key Lock
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VDC Module BMW F31 Touring Air Suspension Level Control Unit 6860729
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Mercedes Vito W639 Automatic Gearbox EGS Control Unit Module ECU A0015455716
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Alternator BMW E53 E83 M57N2 Generator Diesel Engine Power 150A 7797661
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Bumper Reflector Renault Trafic III Vauxhall Vivaro B Rear Light 7700353184
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BMW E87 E90 118i 318i N46 Engine ECU KIT DME 7561834 CAS2 Keys Manual
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BMW E81 E82 E87 LCI E88 N47S 123d ECU Kit DDE 7811702 + CAS3 + Key Automatic
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Ford Transit Custom Negative Battery Terminal Cable Wiring BK2T-14303-AG
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BMW F10 Central Gateway Module Control Unit Lear ZGW-02 MID Plus 9267516
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Vauxhall Combo Fiat Punto 1.3 Diesel Starter Motor 51810307A152
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BMW E82 Footwell Light Module Control Unit ECU BASIS PL2 FRM3R 9240524
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Mercedes W221 Cover Fuse Box Case Trim Panel Lid A2215401682
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Mercedes W203 W210 W211 Starter Motor Diesel Engine Remy A0051511301
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Head Unit BMW F20 F30 LCI F36 CD Player DAB Radio Sat Nav Navigation 6825837
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Mercedes SLK R172 Rear SAM Fuse Relay Box Control Unit Module A1729060205
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BMW E38 E39 Basic Control Unit Module ABS ASC Computer ECU 1164130
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Audi A5 8T Headlight Range Headlamp Control Unit Module ECU 8K0907357A
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Speed Cluster Sensor BMW E87 LCI 130i E90 M3 E92 Yaw Rotary Rate Sensor 6850375
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Mercedes W203 W211 C209 M271 Petrol Engine Alternator A2711540802
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BMW E90 LCI Footwell Light Control Module Lear FRM3R PL2 LED 9240532
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Led Indicator Module BMW F32 F33 F36 F80 F82 F83 Light Signal Blinker 7493232
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Mercedes SLK R171 Heated Heating Seat Control Unit Module A1718201626
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Mercedes W164 Fuse Box Holder A1645402972
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Information Display BMW E81 E82 E87 E88 Board Monitor Central Screen 9145437
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Audi A4 B7 Aerial Antenna Amplifier Module Left N/S 8H0035225S
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PDC Module BMW F15 F16 F25 F26 I01 I12 Parking Distance Sensor Unit 6828085
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Mini Countryman R60 Fuse Distribution Box SPEG High DC/DC H7 9809382
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Part no. A2469008819
Radio Head Unit Mercedes W176 W246 Audio 20 Media Player Navigation A2469008819
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Door Module Mercedes GLC X253 Rear Door Left Control Module A2059000828
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BMW 3 5 7 X5 Series E61 E65 E70 E90 Telematics ECU Control Unit GSM 9206778
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Part no. 03L903023K
Audi A3 8V A4 A5 B8 Alternator Generator Electrical Unit Diesel 03L903023K
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Starter Motor Mercedes W204 W212 W639 OM651 Diesel Engine Denso DSN967
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BMW 3 Series E90 ECU Body Control Module H1 PL2 JBBFE Junction Box 9131776
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BMW X3 Series E83 Cover Positive B Battery Terminal Point Case 8371011
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Telematics Module BMW F20 F21 Bluetooth Teleservices GPS Control Unit 2622605
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Audi A6 A8 Q7 CAN Bus Jumper Contact Bridge Connector 4E0941817
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BMW 3 Series E92 N52N 325i 218HP ECU Kit DME CAS3 + Key 7567362 Manual
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Mercedes W204 C200CDI BlueEFFICIENCY OM651.913 Engine ECU Kit A6511500126 Key
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BMW E87 LCI E90 E91 N43 120i 320i 170HP Engine Unit ECU DME 7599881 Manual
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Mercedes Sprinter W907 Battery Cable Alternator Wiring Loom Harness A9075400186
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BMW E60 E90 325i 525i N53 218HP ECU Engine Control Module DME 7588620 Automatic
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Screen Ring Mini F55 F56 F57 Navigation Display Head Unit Trim Cover 9843968
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BMW F10 F11 F20 F21 F22 F30 F31 F32 Navigation Sat Nav Head Unit High 6819950
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Fuse Box Mercedes W205 W213 C238 C253 Control Unit Module A0005408250
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Part no. A1698206726
Mercedes-Benz W245 ECU Control Unit Sensor Module Airbag A1698206726
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Part no. 7L6959933
Volkswagen Touareg 7L Control Comfort Unit Module Unit ECU 7L6959933
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Part no. A0009004213
Adblue Module Mercedes W447 W906 Control Unit ECU A0009004213
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Part no. 4L0907282A
Audi A7 4G Q7 4L 3.0 TDI Glow Plug Pre Heat 651 Relay Unit 9 Pins 4L0907282A
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Part no. 9852926
BMW F31 X5 F15 Mini F60 Electric Tailgate Bootlid Control Unit Module 9852926
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Part no. A4479007806
Mercedes W447 Door Control Unit Front Right O/S A4479007806
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Audio Amplifier BMW F20 F21 F23 LCI I3 I8 Top Hifi Harman Kardon Unit 9382517
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Mini R50 R53 6-Disc CD Changer Multichanger Without Magazine 6983334
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BMW X5 E53 Receiver Heating Remote Control 6944104 70545B
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Audi A6 C6 2.0 TDI Alternator Generator 180A 14V Diesel Engine Unit 03G903016N
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Rain Sensor Ford Fiesta MK7 Mondeo MK4 Windscreen Light Module 8A6T17D547AB
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Control Unit Mercedes W213 W217 Front Right O/S Door Control Module A2139002522
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BMW E60 M-Audio CD Radio Player Head Unit Professional 9131710
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Hyundai H-1 Safety Module Air Bag SRS Control Unit ECU Module 95910-4H600
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Part no. 4109140
MINI Cooper One R50 Control Unit For Radio Remote Control 433MHZ 4109140
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Part no. 7550967
BMW E81 E90 E91 E60 Petrol Alternator Generator 150A 7550967
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Ford Transit Custom 2.2 TDCi Diesel Starter Motor WaiGlobal 12V 33243N
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Mercedes W204 Rear Left Door N/S Control Unit Module A2048207785
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BMW 3 X3 Series E46 E83 Navigation Computer GPS System DVD Player Unit 6942908
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Audi Q5 8R 2.0 TFSI CNCD 224HP Engine Unit ECU Kit 8R2907115 Key Ignition Manual
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Seat Wiring Cable BMW E81 E82 E90 E92 Front Right O/S Seat Loom Harness 9131760
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BMW Z4 E89 20i N20 184HP Petrol Engine ECU Kit CAS3 + Keys 8661466 Automatic
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Part no. 7490465
BMW F10 F20 F30 F31 Mini F55 F56 Seat Heating Module Control Unit ECU 7490465
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Part no. CC1T-10300-CD
Ford Transit Mk8 2.2 TDCI Alternator Generator CC1T-10300-CD
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Engine Wiring Mercedes W906 Diesel OM651 Cable Loom Harness A6511502900
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Radio CD Player Mercedes W176 W246 Audio Navigation Stereo Head Unit A2469008214
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Part no. 9251984
BMW F10 F11 F20 F21 F30 Control Unit Module Voltage Transformer VSU180 9233143
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Part no. A2125402705
Mercedes W212 Rear Suspension Level Sensor Wiring Loom Cable Harness A2125402705
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Part no. A2118707226
Mercedes W211 Door Module Front Right O/S Control Unit ECU A2118707226
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Part no. 8K0907063L
Audi A4 B8 A5 8T Onboard Comfort Supply Control Module Unit ECU 8K0907063L
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Part no. 03L911021G
Audi A4 B8 A5 8T A6 C7 Starter Motor Actuator Bosch Diesel Engine 03L911021G
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Part no. A0061514501-2
Starter Motor Mercedes W204 W212 Sprinter W906 OM651 Diesel Engine A0061514501
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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 .