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. 8699235
BMW F30 Fuel Pump Module Fuel Pump Control Unit ECU 8699235
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Mercedes W177 Electrical Wiring Harness Starter & 3-Phase Alternator A1775406500
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BMW E81 E87 E90 E91 PDC Parking Sensor Front Rear Mineralgrau Mineral Gray B39
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BMW E60 E61 Rear PDC Parking Sensor Mysticblau Mystic Blau Blue 7115654
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Audi S3 8V Module BCM Body Control Unit Module ECU 5Q0937084CP
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Fuse Box Mercedes W906 Front Relay Control Unit Electric Module A9065450401
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Air Module Wiring BMW F20 F21 F22 F30 F31 Steering Wheel Harness Cable 8092206
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Mini Countryman R60 Light Module Footwell Module PL3 FRM3R Lear ECU 3457587
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Alternator Generator BMW F07 F10 N57N N57Z Diesel Engine 230A Valeo 8570672
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Mercedes C238 E53 AMG 4-Matic M256.930 435HP Engine ECU A2569001200 Automatic
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Ford Transit Mk8 VI Glow Plug Controller Unit Module Relay GK2112B533AA
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Fuel Pump Module BMW E60 E81 E87 E90 E91 LCI Control Unit ECU 7180427
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SD Card Reader Mercedes W213 S213 Multimedia USB Port Socket Module A2058200526
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Mercedes X156 GLA200 M270.910 156HP Engine Control Unit ECU Kit A2709002900 Key
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Mini Cooper One R56 High PL3 SPEG DC/DC M3 Fuse Distribution Box 3453294
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VW Volkswagen Sharan Speaker Loudspeaker Front Door Left Right N/O/S 7N0035454A
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Control Unit BMW F07 F10 F11 F12 F13 F25 Air Module ECU Unit Continental 9385025
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Audi Q3 8U A1 8X SD Card Map Pilot Navigation Europe 2013 8X0919884E
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Ford Galaxy MK3 Mondeo MK4 2.0 TDCi Diesel Engine Alternator AG9T-10300-AA
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Volkswagen Golf CD1 Tailgate Trunk Lid Wiring Harness Rubber Cover 5G6971829B
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Mercedes-Benz C-Class W203 M111 C 180 Bosch Alternator Generator 0124515056
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Mercedes W212 CDI Automatic Gearbox Control Module Unit ECU A0005456916
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Audi A4 B9 Wireless Charger Centre Console Phone Charging Module 8W0035502B
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Audi A4 B7 Fuel Pump Sender Control Relay Module Unit ECU 4F0906093G
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Part no. 7527610-6
MINI R50 One 1.6 W10 90HP Engine ECU Kit DME + EWS + Key 7527610 Automatic
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Speaker Amplifier Audi A4 B8 A5 8T Stereo Radio Sound System Amp 8R0035223G
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Gateway Control Module Audi A3 8V Volkswagen MK7 ECU Unit 5Q0907530Q
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Parking Module Mercedes W203 C209 Parktronic Control Unit A2035454932
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SRC Module Mercedes W213 Air Safety Module SRS Control Unit ECU A2139009022
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Renault Trafic 1.9 DCI Diesel Engine Control Unit Module ECU Manual 8200051608
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BMW 1 3 Series E81 E87 E90 Business Navigation M-ASK System Controller
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Footwell Module BMW E93 Light Control LCM PL2 FRM II 9166708
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Control Unit Module BMW F20 F21 F30 F31 F32 Rear Body REM 6819332
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SD Card Mercedes W205 C238 Garmin Map Pilot Navigation Europe A2139063605
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Mercedes GLC X253 Relay Battery Control Cut Off Out Relay A0009825323
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Part no. 1742690-2
BMW E60 E81 E87 E90 E91 X3 E83 Relay Changer Make Contact Salmon Red Set 1742690
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Part no. 6968832
BMW E90 ECU Body Control Module H1 PL2 JBBFE Junction Box 6968832
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BMW E81 E82 E87 LCI E88 N47S 123d 204HP Engine Unit ECU DDE Manual 7811702
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BMW Z4 Series E85 E86 Body Control Unit Module GM5RD 12V 6931707
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Earth Cable BMW E60 E61 Electrical Starter Alternator Earth Cable Wiring 7795520
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BMW E60 LCI 530d X5 E70 3.0d M57N2 Engine Control Unit ECU DDE 8509035
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BMW E90 E91 E92 Professional CCC DVD Navigation System Controller 9148016
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Mercedes GLE250 W166 OM651.960 204HP Engine ECU Kit Ignition + Key A6519004201
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Audi TT 8J Tyre Pressure Control Module Unit 8J0907274
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Mercedes Sprinter W907 314 CDI OM651.958 143HP ECU Engine Unit A6519003603
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Audi A3 8P PDC Parking Assistance Distance Control Module Unit ECU 8P0919475M
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Volkswagen VW Golf V 1.9 TDI Diesel Engine Starter Motor 02Z911023H
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BMW X5 X6 E70 E71 Navigation System Car Sat Nav Computer Head Unit CIC 9222855
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Part no. 9322056
Battery Cable BMW X5 F15 Positive Plus Pole Distribution Box Wiring SBK3 9322056
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Part no. 8K0959795A
Audi A4 B8 Rear Door Module Control Unit ECU Left N/S 8K0959795A
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Part no. 8K0907064EC
Audi A4 B8 Body Control Comfort Unit Module BCM Convenience Unit 8K0907064EC
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Part no. MMI2G-CARPLAY-A1
Audi A1 8X Bluetooth Interface CarPlay MMI Retrofit Multimedia Unit Set MMI2G
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BMW E65 E66 Sensor B-Pillar Air Module Right O/S 6929561
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Audi A3 Starter Motor Engine Diesel 02E911023H
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Part no. 6943814
BMW 1 3 5 Series E60 E87 E90 CAS 3 ECU Control Unit Key Reading Module 6943814
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BMW 1 3 Series F20 F21 F30 LCI Starter Motor Engine 8621840
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Part no. 3455242-1
Mini Cooper Cabrio R57 High SPEG PL3 DC/DC H5 Fuse Distribution Box 3455242
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BMW Mini Cooper R55 R56 R57 Passenger's Door Module Cables N/S 9142400
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Mini R56 LCI N16 122HP Petrol Engine ECU Kit DME 7607685 + CAS 3 + 2 Keys
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BMW 1 Series F20 Rear Module Fuse Box Power Distribution Control 9362397
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Mercedes ML W164 Battery Positive Cable Wiring A1645402830
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Mercedes W213 M274 Petrol Three Phase Engine Alternator Generator A0009067703
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Mercedes W169 W245 Rain Light Sensor Control Unit Wiring A1695401006
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Part no. 6C1T-10300-BD
Ford Transit Mk7 Diesel Engine Alternator Generator Unit 2.2 TDCi 6C1T-10300-BD
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BMW 3 Z3 Series E36 Electrical Fuse Relay Box Storage Trim 1387614
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Audi A3 8V Multimedia Display Screen Radio Sat Nav Head Unit 8V0857273H
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Part no. 7612190-2
Mini Cooper S R56 LCI N18 1.6 184HP ECU Kit DME 7612190 CAS3 + Key Manual
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Part no. 55353857
Starter Motor Vauxhall Astra Vectra Insignia 2.0 CDTI Diesel Engine 55353857
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Part no. 8R0915181C
Audi Q5 8R Negative Battery Terminal Cable Wiring Battery 8R0915181C
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Part no. 9147190
BMW E60 E61 LCI E90 E91 E92 CAS3 Control Unit Key Reading Module 9147190
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Part no. 7550319
Mini R50 R52 Alternator Generator 110A Benzin 7550997 7550319
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Part no. A6079002200-2
Mercedes W176 A180 CDI OM607 109HP BlueEFFICIENCY Engine Unit ECU A6079002200
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Part no. A0131542102
Alternator Mercedes Vito W639 OM646 Engine Alternator Generator A0131542102
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Mercedes W204 Door Module Control Unit Module Front Left N/S A2048704326
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Mercedes W213 Bonnet Actuator Pedestrian Protection Left Right N/O/S A2139062201
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Part no. A6079002300-1
Mercedes W176 W246 180 CDI OM607 Engine Control Unit Module ECU A6079002300
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Part no. 6881300
PDC Module BMW F45 F46 I01 Mini F55 F56 Parking Assistant Control Unit 6881300
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Part no. 3448827
Mini R55 R56 Radio Boost CD Player Head Unit 3448827
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Part no. A2048708926
Mercedes S204 Bootlid Control Unit Trunk Lid Module A2048708926
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Part no. 7550688-2
BMW 1 3 Series E87 E90 N45 116i 316i Petrol ECU KIT DME 7550688 + CAS2 + Key
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Mercedes Vito W447 Comfort SAM Control Unit Module Fuse Box A4479001707
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REM Module BMW F20 F30 Rear Electronic Fuse Box Control Unit V2 ECU 9317176
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Mercedes Vito W639 Fuse Box Relay Control Unit Electric Module SAM A6399005400
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Land Rover Range Rover Sport L320 3.0 Diesel Engine Starter Motor AH2211001AC
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Mercedes-Benz E-Class W210 Roof Alarm Motion Sensor Cover Trim Grey A2208208410
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Alternator Motor BMW F20 F21 LCI B37 Diesel Engine Alternator 180A 8626086
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Ford Galaxy Mondeo MK4 2.0 TDCi Alternator Bracket Mount Support 4M5Q-10239-CC
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Seat Ateca Mk3 Headlight Module Headlamp Ballast Left Right N/O/S 7P5941591AH
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Audi Q3 8U Air Module Crash Impact Sensor Control Unit 8U0959651
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Mercedes W221 Remote Trunk Closing Hydraulic Pump Motor Unit A2218001548
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Part no. 8686185
BMW F40 X1 F48 Mini Countryman F60 Engine Starter Motor 12V 8686185
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Part no. 93452999
Fuse Box Vauxhall Vivaro B Renault Trafic III Relay Control Unit Module 93452999
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Part no. 4H0907063DH
Audi A7 4G8 BCM Body Control Module Unit ECU 4H0907063DH
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Part no. 9321002
Battery Cable BMW X3 F25 X4 F26 Underfloor Positive Plus Lead Harness 9321002
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Part no. 7182396
BMW X5 E70 E90 E91 LCI Control Unit Xenon Adaptive Headlight 7189311
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Ford Transit Custom Power Stabilisation Voltage Control Module Unit GK2T14B526CE
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Part no. 3457031
Mini Cooper R56 LCI Footwell Light Module High EKS ECU PL3 FRM3R Lear 3457031
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Part no. A2218708292
Mercedes W221 Safety Module Air Bag SRS Control Unit ECU A2218708292
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Part no. 9159811-1
BMW E91 NSW PL2 FRMII Lightning Control Unit Module (LCM) 9159811
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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 .