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. A1729060005
Mercedes R172 Rear SAM Fuse Relay Box A1729060005
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BMW X5 Series E53 Wiring Loom Harness Engine Gearbox Module Petrol M62 Automatic
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Iveco Eurocargo Relay 24V 50A V23134-J56-X373 500362250
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Seat Leon Mk3 5F Door Module Control Unit Front Driver's Side Door 5Q4959593
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VW Volkswagen Transporter T5 1.9 TDI Diesel Engine Control Unit ECU 038906016AJ
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Mini R58 Coupe Fuse Distribution Box Electrical Unit PL3 SPEG H8 DC/DC 3456913
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Basic Navigation BMW F45 X1 F48 Mini F55 F56 F57 Radio Stereo Head Unit 8791781
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Smart Opener BMW G07 F48 F49 X1 LCI Lid Boot Hatch Trunk Tailgate Module 5A562D6
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Audi Q5 FY Battery Positive Cable Clamp Control Module Terminal 80A915459
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Audi Q7 4L Gateway Module Central Control Unit 4L0907468A
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BMW 7 Series E65 E66 E67 Steering Wheel Electronics Control Unit Module 6958040
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VW Golf Mk7 5G R 2.0 TFSI CJXC 300HP 4motion Engine ECU Kit 06K907425B + 2 Keys
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Audi A4 B8 2.0 TDI CNHC Diesel Alternator Generator 04L903017A
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BMW F01 F02 ECU Body Control Module Junction Box JBBFEIIIR LP 9267455
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Ford Transit Connect 1.5 TDCI 120HP Engine Unit ECU KV6A-12A650-YA Manual
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Light Module BMW F01 Control Footwell Lightning ECU Unit FRM3 9313928
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Part no. 7574544-2
BMW 3 Series E90 E91 E92 N52N 325i 218HP ECU Kit DME CAS3 + Key 7574544 Manual
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Exide Car Battery Accumulator EFB EL700 70Ah 760A Electrical Unit
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Volkswagen VW Touran 1T Parking Sensor Wiring Rear Bumper Loom Cable 1T0971085
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Iveco Eurocargo 75E15 Relay Black Control Unit 5 Pin 12V 2991710
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Mercedes ML W164 Audio Sound Amplifier Bracket Mount Support Holder A1648270214
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VW Volkswagen Golf 6 Radio Head Unit RNS 210 Player Unit 1K0035156B
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BMW 5 Series F10 F11 Cable Loom Door Passenger Side Wiring Harness 9256002
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Mini Cooper One R50 R52 R53 Radio Boost MD Player Head Unit 6961236
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Mini Cooper One R50 R53 R56 R57 R60 Relay TYCO 5 Pins Black 6977982
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Mercedes W204 SAM Module Control Unit Rear A2049060305
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Mercedes W213 Head Up Display Hud Project Screen Control Unit Module A2139009907
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On-Board Screen BMW F30 F31 Central Information Display Monitor 8,8" 9281688
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Engine Wiring Mercedes W176 W246 Diesel OM607 Loom Harness Cable A6071500433
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Audi A5 8T 2.0 TFSI Petrol Fuel Injectors Wiring Cable Harness 06H971627
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Power Distribution BMW G11 G12 G20 G30 Fuse Box LIN Control Unit Module 8795479
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Reversing Camera ECU BMW F07 F25 Rear View Camera Control Unit Module 9302257
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BMW 1 3 X1 Series E81 E84 E87 E90 E91 Parking Control Module Unit PDC 6969281
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Part no. 8519663-19
Mini Cooper D R55 R56 R60 N47N 112HP Diesel Engine ECU DDE 8519663 Automatic
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Part no. BK2V14301FB
Ford Transit Custom Mk8 Negative Battery Cable Wire Terminal BK2V14301FB
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Part no. 7551615-1
BMW X5 E53 M54 3.0i 231HP Engine ECU Kit DME 7551615 EWS4 + Key Automatic
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Ford Transit Connect Dash Display Screen Multifunction Head Unit EM5T18B955BD
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Vauxhall Movano A Renault Traffic II Gateway Comfort Control Module 8200814470
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BMW i3 I01 Door Wiring Front Left N/S Door Cable Harness Wiring 9349898 9349204
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Part no. GS 80Ah Accumulator
GS Accumulator Battery AGM Start Stop Plus 80Ah 800A 12V AGM115
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iPod Interface Mercedes W164 W169 C219 Module Control Unit ECU B67824529
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Part no. BMW-CAN
BMW E81 E87 CAN-Bus Interface Steering Multistalk Adaptor Control Unit Module
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Part no. 5Q0906121D
Audi Q3 8U 2.0 TDI CFGC Fuel Sender Pump Control Module Unit ECU 5Q0906121D
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Part no. 7168897
Mini R53 Cooper S Checkmate Rear Side Window Decals Plates Set 7168897
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Vauxhall SD Card Road Map Navigation Europe 7612109322
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Audi S6 C6 Dashboard Light Sun Solar Sensor Unit 4F0907539
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BMW E60 E61 530d Diesel M57N 218HP ECU Control Kit DDE 7794650 CAS2 Key Manual
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BMW Z4 Series E85 Roadster 2.5i N52 177HP ECU Kit DME 7571510 EWS + Key Manual
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Mercedes W906 Fuse Box Relay Control Unit Electric Module SAM A9069005504
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Volkswagen Tiguan 5N Engine Bay Fuse Relay Box Terminal 3C0937125A
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Mercedes Sprinter W906 Radio CD Player Audio Stereo Head Unit A9069000103
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Part no. 7542934
BMW 5 6 7 Series E60 E61 E65 N62N Petrol Alternator Generator 180A 7542934
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Mini Cooper R55 R56 N12 1.6 120HP ECU Kit DME 7600076 CAS3 Key Manual
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BMW E60 LCI E90 325d 525d M57N2 ECU Engine Control Kit DDE 7811151 CAS3 Key
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BMW 1 3 5 E60 E61 E87 E90 E91 M47N2 M57N2 Starter Motor 7798035
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Fuel Pump Module Mercedes W205 W222 W238 Control Unit ECU A0009007813
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BMW E81 E87 E90 E91 E92 E93 Active Steering Control Unit Module 1277022189
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BMW E61 LCI Body Gateway Module Unit KGM E6X High 28 D-Can Lear 9221109
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Audi A3 8P7 Convertible Door Wiring Cable Harness Driver's Side 8P7971030L
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Mini F54 F55 F56 F57 F60 Petrol B36 B38 B46 B48 Engine Starter Motor 7645979
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BMW E81 E87 LCI 116i 1.6 N45N 115HP Control Unit ECU Kit DME 7567321 CAS3 Keys
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BMW 3 Series 1 E90 320si N45 Petrol Engine Wiring Loom Harness 7564408
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BMW X3 F25 CAS4 Key Reading Module Unit Control ECU 6809374
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Part no. 03F906070GN-1
Audi A1 8X 1.2 TFSI CBZA 86HP Engine ECU Kit Ignition + Key 03F906070GN Manual
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Part no. 9240521
Wiring BMW F12 Front Bumper PDC Wiring Park Assist Sensor Harness 9240521
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BMW E90 LCI ECU Body Control Module H3 Junction Box PL2RR JBBFE IIIR 9247474
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Part no. 9110639-1
BMW 7 Series E65 E66 Dashboard EXCH Control Display Screen 8,8" 9110639
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Mercedes C238 Parking Sensor Wiring Rear Bumper PDC Loom Cable A2385407716
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Part no. 3457029
Footwell Light Module Mini R60 Unit Low EKS ECU PL3 FRM3R 3457029
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Part no. 7794218-1
BMW E60 E61 530d Diesel M57N 218HP ECU Kit DDE 7794218 + CAS2 + Key Automatic
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Part no. 8715339-1
Dashboard Monitor BMW G30 G31 Onboard Central Display Screen 10,25" 8715339
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Part no. 7549387-3
BMW E60 525i M54 192HP Engine Control ECU Kit DME 7549387 CAS2 Key Automatic
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Part no. 7P0915105
Audi Volkswagen Varta Car Battery Accumulator AGM 12V 68Ah 680A 7P0915105
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Part no. 6942693-1
Light Module BMW X5 E53 Check Control Unit ECU Lear LCM IV AUTO.LWR 6942693
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Mercedes SLK R172 Roadster Folding Vario Roof Control Module A1729008412
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Part no. 8518424-5
BMW F20 F30 118d 318d N47N 143HP Engine ECU Kit DDE 8518424 FEM + Key Manual
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Seat Ibiza 6J FR 1.0 TSI DUSA 115HP Engine Control ECU Kit 05C907309F Manual
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Part no. 7586940-3
BMW E60 LCI 525i E90 E91 325i N53 218HP ECU Kit DME 7586940 CAS3 + Keys Manual
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Airbag Module BMW G20 G21 SRS Control Unit Module ECU 9476858
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BMW i3 I01 Door Wiring Front Right O/S Door Cable Harness Wiring 9349908
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BMW E92 ECU Body Control Module M Junction Box PL2RR JBBFE IIIR 9364819
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Mercedes W204 Battery Bracket Mount Support Holder A2046280218
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Part no. 5Q0971845
Volkswagen VW Golf Mk8 OBD Diagnostic Socket Loom Cable Plug Wiring 5Q0971845
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BMW F20 F30 LCI 118d 318d B47 Engine ECU Control Unit DDE 8591073 Automatic
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Roof Towing Alarm Mercedes W176 W246 Emergency Sensor Switch White A1729050151
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Audi TT FV Entry Keyless Kessy Control Module Unit ECU 3Q0959435
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BMW F12 Convertible Folding Top Roof ECU Module Control Unit CVM 9311564
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Audi A3 8P 1.6 MPI BGU 102HP Engine Control Unit ECU Kit 06A906033DT
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Engine Wiring Mercedes W176 W246 Diesel OM651 Loom Harness Cable A6511501390
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BMW E60 E61 E90 E91 330i 530i Petrol N52 ECU Kit DME 7555361 CAS2 Key Automatic
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Part no. YUASA Silver 5000 80Ah Accumulator
YUASA Silver 5000 12V Accumulator Battery 80Ah 760A HSB019
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Part no. 1734633
Ford Fiesta MK7 1.6 TDCI Starter Motor Engine Diesel 8V2111000AD
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Audi A6 C6 ASB 3.0 TDI V6 Starter Motor 059911024G
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Part no. 8P0907279C
Audi A3 8P Body Control Comfort Unit Module BCM Unit 8P0907279C
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Part no. 057911023EX
Audi Q7 4L Engine Starter Motor Actuator Starter 057911023EX
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Part no. A6111531191
Mercedes W901 OM611.987 82HP Engine Unit Module ECU Manual A6111531191
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Part no. 7589971-12
Mini One R55 R56 N12 1.4 N12B14A 95HP Petrol ECU Kit DME 7589971 + CAS3 + 2 Keys
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Part no. 6C0941824D
Audi A1 S1 8X Fuse Relay Box Module Unit 6C0941824D
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Part no. 8579748-1
BMW F10 F11 535d F13 640d N57Z 313HP ECU Kit DDE 8578115 Key + CAS4 Automatic
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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 .