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. 7857778
Steering Wheel Module BMW X3 G01 X5 G05 G20 G30 Heating Control Unit 7857778
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BMW X3 F25 CIC Sat Nav Professional Infotainment Radio Player Head Unit 9289256
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Audi A4 B8 Parking Brake Control Module Unit ECU 8K0907801K
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Ford Transit Connect Fuse Box Power Distribution Junction Relay 2S6T-14A073-AC
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Positive Battery Cable BMW F30 F31 F80 M3 F82 M4 Plus Pole Power Red 9259425
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Mini R55 R56 R57 R60 Gearbox Module Control ECU Automatic Unit 7619713
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Mercedes W221 Prefuse Fuse Distribution Box Unit Front A2215401250
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BMW 5 6 Series E60 E61 E63 Sensor B-pillar Airbag Right O/S
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BMW X5 Series E53 Power Distribution Fusebox Cover Fuse Box 8380407
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Fiat Doblo 2.0 Multijet Diesel Engine Starter Motor 51984359
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Alternator Audi A6 C6 3.0 TDI Diesel Engine Generator 059903015R 1068673
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Mercedes R171 Seat Air Module Control Unit Front Left N/S A1718600105
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Volkswagen VW LT 35 Diesel Engine Starter Motor Unit Napa 069911023LX
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Audi A4 B8 Body Control Unit Basic Module BCM 8K0907063
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Starter Motor Mercedes Sprinter W906 OM651 Diesel Engine 0986021360
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Mercedes SLK R171 Door Module Front Left Control Module A1718206926
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Fuse Box Audi A3 8P Volkswagen Golf Mk5 Cover Trim Panel Housing 1K0937125C
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Alternator Mercedes W212 Engine Generator 220A Valeo A0009063522
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BMW 1 Series E82 E88 125i N52N 218HP ECU Kit DME 7594483 CAS3 + Key Automatic
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Mini One R55 R56 Petrol N12 1.4 95HP Engine ECU Kit DME 7640004 CAS3 Key Manual
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Part no. E82 Wiring Loom Set PDC rear -1
BMW 1 Series E82 Wiring Loom Set Rear Complete Harness PDC Parking Sensor
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Volkswagen Sharan 7N Head Air Module Roof Side Curtain Right O/S 7N0880742
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Ford Mondeo MK4 Galaxy MK3 1.8 TDCI Diesel Engine Starter Motor 6G9N11000EC
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Anti Theft Module BMW X3 X5 E39 E46 E53 E83 Control Unit EWS IV 6988104
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BMW E87 LCI ECU Footwell Light Module BASIS PL2 FRM3R Lear 9240527
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Mercedes W901 OM602 Ignition Lead Electrical Cable Harness A9015407309
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Part no. 7811111-4
BMW X3 E83 LCI 2.0d N47 177HP Engine Control Unit ECU DDE 7811111 Manual
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Mini F55 F56 Wiring Loom Harness Instrument Panel Dashboard Cable 8717408
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Mini Cooper R50 R52 W10 116HP Engine ECU Kit DME 7557395 + EWS + Key Manual
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Part no. 7823422-2
£BMW E81 E87 E90 LCI 118d 318d N47 Diesel ECU Control Kit DDE 7823422 CAS3 Keys
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Renault Master II Trafic II 2.5 dCi Engine Starter Motor Elstock 8200634602
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Part no. 5Q0907530N
Skoda Octavia 5E Gateway Control Module Unit ECU 5Q0907530N
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Part no. 9177199
BMW E81 E82 E87 E88 E89 E90 E91 E92 Radio Professional CD 9177199
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Part no. 9255065
Mini Cooper R55 R56 R57 LCI R58 R59 CHAMP 2 Navigation 9255065
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Part no. 7L0907401F-1
Volkswagen Touareg 3.0 TDI BKS 225HP Engine Control Unit ECU Kit 7L0907401F Key
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BMW X3 E83 E90 Engine Automatic Gearbox Module Wiring Cable Loom Harness 3453247
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Mini Cooper R55 R56 R57 Harman Kardon HiFi Stereo Audio Speaker Set
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Part no. 9215954
BMW X5 X6 E70 E71 Negative Battery Cable 9215954 61129215954
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Part no. 4F0905852B
Audi Q7 4L Steering Column Lock Mechanism Control Unit Module ECU 4F0905852B
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Audi A3 8P Starter Motor Engine Diesel Actuator Unit 02A911023 LRS00791
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Peugeot Partner Hazard Warning Light Switch Button 96583113KR
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BMW E60 E87 E90 LCI N47 120d 320d ECU Control Unit Kit DDE 7823420 CAS3 Key
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Part no. A1779061002-1
Mercedes W177 Fuse Box Power Distribution Junction Relay Unit A1779061002
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VW Polo MK5 1.2 TDI CFWA Alternator Wiring Starter Motor Harness 6R0971349AH
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PDC Wiring MINI Cooper One R50 Rear Bumper Cables Loom Set
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BMW E60 E63 E90 E91 LCI Dashboard Dash Monitor Display Screen 6,5 6938109
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Part no. 8518411
Mini Cooper D F55 F56 B37 Engine Injector Wiring Harness Cable Loom 8518411
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Part no. A0035452405
Relay Mercedes W124 E280 Petrol Fuel Pump Cut Off Relay A0035452405
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Part no. 7550975-1
Starter BMW E81 E82 E87N E88 E90 E91 E92 N43 Starter Motor 7550975
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BMW E87 LCI E90 E92 120i 320i N43 170HP ECU Kit DME 7580279 CAS3 + Key Manual
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Part no. 6g9n-18c815-ta
Land Rover Freelander 2 Radio Stereo CD Player Head Unit 6g9n-18c815-ta
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BMW F11 Parking Brake Module Wiring Cable Harness Loom 9325545
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Part no. 7812502-1
BMW E81 E82 E87 LCI E88 N47S 123d ECU Kit DDE 7812502 + CAS3 + Key Manual
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Part no. 03G903016EX
Audi A4 B8 2.0 TDI Alternator Generator 03G903016EX
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Audi RS6 C7 4G Air Suspension Module Regulation Control Unit WABCO 4G0907553F
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Audi Q7 4M Starter Motor Engine Diesel Valeo 06M911022D
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Part no. 3457528
Mini Paceman R61 Footwell Light Module High EKS ECU PL3 FRM3R 3457528
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Mini Cooper R56 Fuse Box SPEG High DC/DC H4 3455235
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Renault Trafic 3 Vauxhall Vivaro B Airbag Module Air Bag Unit ECU 985106142R
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Part no. 7799152
Mini One D R50 Diesel W17 88HP Engine Control Unit ECU DDE 7799152 Manual
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Mini Cooper One R56 LCI Footwell Light Module High EKS ECU PL3 FRM3R 3456588
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Part no. 373004A310
Hyundai H-1 2.5 CRDI Alternator Generator 373004A310
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Part no. 2687921-SBG
BMW 5 Series E60 PDC Ultrasonic Parking Sensor Silbergrau Silver Grey A08
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Part no. A0121541302
Alternator Generator Mercedes W211 W220 R230 M112 Bosch 150A A0121541302
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Part no. A0009067900-1
Alternator Generator Mercedes W204 W212 Diesel Engine Valeo 180A A0009067900
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Part no. A0061510301
Mercedes W169 W245 Petrol Engine Starter Motor M266 A0061510301
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Part no. A2609060100
Mercedes C118 W177 W247 M260 Petrol Engine Starter Motor 12V A2609060100
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Part no. 5A402F3
Mini Cooper F54 F55 F56 ECU Body Domain Controller BDC Module Unit 5A402F3
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Part no. 9367673-1
Mini Cooper F55 F56 F57 LED Navigation Visual Boost 6,5" Display Screen
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Part no. A1685400230
Battery Starter Wiring Mercedes W168 Harness Cable Positive A1685400230
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Part no. 9243645
Battery Cable BMW X3 F25 Wire Lead Positive Alternator Starter B+ 9243645
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CAS4 Module BMW F01 F10 F11 Key Reading Control Unit 9257036
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Part no. 7595179-13
BMW E81 E87 LCI N43 116i 2.0 122HP Engine ECU Kit 7595179 DME CAS3 Key Manual
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Part no. 7G9N-10D893-AA
Land Rover Freelander 2 Bluetooth Module Control Unit ECU 7G9N-10D893-AA
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Part no. 9380239
Gateway Module BMW F11 LCI Central Control Unit Lear ZGW-02 4SK 9380239
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Part no. LRT00134
Mercedes Sprinter W906 Engine Starter Motor Lucas LRT00134
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Part no. A4479000001
Mercedes W447 Front Door Module Left N/S Control Unit ECU A4479000001
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Part no. 9496817
Front Impact Sensor BMW F70 G05 G14 G15 U06 Safety Crash Module Unit 9496817
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BMW F10 F11 LCI Active Sound Unit Control Module Design Amplifier 9289971
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Part no. 7533651-8
BMW E60 530i M54 231HP Engine ECU Kit Unit DME 7533651 + CAS2 + Key Automatic
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Mercedes W212 E63 AMG Drive Unit Extended Control Module ECU A0009009903
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Mercedes W906 Fuse Box Relay Control Unit Electric Module SAM A9069005504
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BMW F20 F21 F30 F31 F32 Rain Light Solar Sensor 6814596
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Mercedes W221 Front Camera Wiring Harness Cables Night Vision A2215409509
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Mini Cooper One R55 R56 R57 R60 R61 Fuse Box Empty Housing 2755704
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BMW 3 5 7 X5 E38 E39 E46 E53 6-disc CD Changer Without Magazine 8377049
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BMW F30 335i F32 F33 435i N55 306HP Engine Control ECU Kit 8639582 Automatic
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Mercedes W204 W212 Fuse Box Relay Control Unit Electric SAM Module A2129009705
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BMW 3 Series E90 E91 LCI Mini R55 R56 Tyre Pressure RDC Control Unit Module
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Part no. 4F1910336B
Telephone Control Module Audi A8 4E S8 D3 Bluetooth Unit 4F1910336B
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Part no. 9313933
BMW F13 Footwell Light Module Control Unit ECU FRM3 9313933
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Mercedes W204 W212 W221 AMG Fuel Pump Module Control Unit ECU A0355400445
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Mercedes W124 E280 Comfort Control Module Unit ECU A2028200926
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Part no. 9267609
BMW E60 E87 E90 CAS 3 ECU Control Unit Key Reading Module 9267609
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Part no. 7583225-4
BMW E81 E87 LCI E90 120i 320i Petrol N43 Engine ECU KIT DME 7583225 CAS3 + Key
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Part no. 7802158
BMW E60N E81 E87N E90 E90N E91 E91N E92 E93 Wiring Harness Engine Glow Module
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Hands Free Bluetooth Module BMW E81 E87 E90 E91 Electronics MULF2 9204545
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BMW 7 SERIES E65 E66 E67 Loudspeaker Box Right O/S 6907646
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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 .