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. 9811783
Mini Cooper Paceman R61 Wiring Loom Harness Front Cable 9811783
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Audi A3 8P Steering Wheel Position Angle Sensor Control Unit Module 1K0953549DB
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BMW E90 E91 LCI 318d Diesel 143HP N47N ECU Kit DDE 8518268 + CAS3 + Keys Manual
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Control Unit BMW E60 E61 E63 E64 CAS2 ECU Module 6927929
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Volkswagen Golf CD1 Park Parking Assist PDC Distance Control Module 5R3919294
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BMW F01 F02 F03 F10 F11 Steering Column Adjuster Switch 9188877
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Audi A4 B7 Navigation System Car Sat Nav Computer Head Unit 8E0035192D
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BMW E60 E90 325i 525i N52 218HP Engine ECU Control Unit DME 7561684 Automatic
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ECU Kit BMW F20 F21 116d Diesel N47N 116HP DDE 8573260 Key FEM Lock Manual
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BMW E91 Footwell Light Control Module AHL PL2 FRMII 61359166709 9166709
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Audi A5 F5 Rear Hatch Tailgate Boot Lid Control Module Unit ECU 8W8959107D
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BMW E60 E90 325i 525i N52 218HP Engine ECU Kit DME 7561684 CAS2 + Key Manual
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BMW E60 LCI E90 E91 E92 325d 525d M57N2 Engine ECU KIT DDE 7805288 CAS3 + Keys
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Instrument Cluster Module Mercedes W177 C118 Speedo Gauges Control A2479001015
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Part no. Duracell 63Ah Accumulator
DURACELL Advanced Extended Accumulator Battery 63Ah 620A 12V
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ABS Pump Bracket Mercedes W176 W246 Brake Unit Mount Holder A2464300201
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Audi A5 8T Parking Sensor Control Module Daytona Grey Metallic - Z7S 1S0919275
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Mercedes ML W166 Radio Stereo CD Player Audio Sat Nav Head Unit A1669000213
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Radio Player Mercedes W639 W906 Audio Stereo CD Head Unit Display A9068200486
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Mercedes Vito Viano W639 Side Sliding Door Control Unit Module ECU A6399000300
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BMW E60 E61 E65 E87 E90 Trailer Towing Control Module AHM 4R 9186177
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BMW E81 E87 LCI E90 118d 318d N47 143HP Diesel ECU KIT DDE 7810001 CAS3 + Key
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BMW E81 E87 LCI 116i 1.6 Petrol N43 ECU Kit DME 7579142 CAS3 + Key Automatic
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BMW 1 3 E87 E90 PDC Ultrasonic Sensor Front Rear Jerezschwarz A73 8046453
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BMW 3 Series F30 LCI Electrical Battery Cover Lid Panel 61219350711 9350711
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BMW E81 E90 E91 E60 Petrol Alternator Generator 150A 7550967
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Sound Amplifier BMW F20 F21 Hifi Audio Control Unit ECU Harman Kardon 5A41CD8
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Radio CD Player Mercedes W176 W246 Audio Navigation Stereo Head Unit A2469007818
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Mercedes-Benz C-Class W204 Fuse Box Housing Cover A2045400124
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BMW 1 E87 Footwell ECU Light Control Module MAX Kuester FRM3R PL2 9390483
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Radio Head Unit BMW E81 E82 E87 E90 E91 E92 Professional CD Player 9143228
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Mini Cooper R59 Footwell Light Module High EKS PL3 FRM3R Lear 3457402
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Mercedes-Benz M-Class ML W164 Front Left Right N/O/S Door Wiring Loom Harness
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Volkswagen VW Golf V 1.9 TDI Diesel Engine Starter Motor 02Z911023H
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Part no. 7567178-7
BMW E60 E65 E90 E91 Petrol N52 ECU Engine Control Unit DME 7567178 Automatic
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Part no. 7627520-2
Mini R55 R56 LCI R60 Cooper N16 1.6 122HP Engine ECU Kit DME 7627520 CAS3 + Key
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Display Screen BMW F20 F21 F22 Central Information Sat Nav Monitor 6,5" 9281684
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Part no. 7583225-3
BMW E87 LCI E90 118i 318i N43 ECU Control Unit Kit DME 7583225 CAS3 Keys Manual
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BMW E91 Touring Body Control Module Unit Junction Box KL PL2RR JBBFE 9229885
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Mercedes Vito W639 OM646.982 150HP Engine Module ECU Kit A6461532491 Key Lock
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BMW I3 I01 LCI LED Module Indicator Front Right O/S 8495584
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BMW 7 SERIES E65 E66 Door Wiring Harness Mod Carrier Front Left N/S 6934002
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MINI One D R50 W17 1ND Engine Wiring Loom Harness Module 7790365
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Mercedes W204 C200 Fuse Box Front SAM Control Module Relay Box A2129008207
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Mercedes W221 Gateway Control Unit Module ECU A2215408845
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Peugeot Partner Hazard Warning Light Switch Button 96583113KR
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BMW X5 Series E70 Individual Audio System Amplifier Top-hifi Lear PL5 9166075
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Mercedes W205 C253 SAM Rear Body Control Module Unit A2059002019
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Mercedes Vito W447 Electronic Control Unit Module ECU A2749003900
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Mercedes W211 Negative Battery Terminal Cable Wiring A2115420418
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Part no. 9374508
BMW F20 F21 F30 F31 REM Rear Electronic Module Fuse Box Control Unit V3 9374508
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Part no. 8689842
BMW F40 F45 X1 F48 Mini F54 F55 F56 Gearbox Wiring Loom Harness 8689842
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Part no. 9340331
BMW E88 ECU Light Control Footwell Module MAX Kuester FRM3R PL2 9340331
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Mercedes W212 E63 AMG M157.981 558HP Engine Control Unit Module ECU A2789001300
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BMW 3 Series F30 Hybrid 330e Positive Plus Battery Lead Cable 9270244
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Ford Transit MK7 Body Control Unit Module BCM Fuse Box 6C1T14A073BK
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Mercedes W177 Front Windscreen View Camera Unit A2479002814
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Citroen Relay Peugeot Boxer Fuse Box Relay Cover Lid Unit Trim 1389412080
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BMW E60 E61 LCI E90 E91 E92 CAS3 Control Unit Key Reading Module 9147190
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Mercedes W906 Radio CD Player Audio Bluetooth Head Unit A9069005103
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Part no. 6978265-1
BMW Z4 Series E85 E86 1 Roadster Interior Fuse Box 6978265
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Part no. A0009068504
Alternator Mercedes Vito W447 Engine Generator 200A Valeo A0009068504
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Part no. A0009823308
Mercedes 12V Accumulator Battery 100Ah 760A A0009823308
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Part no. 9315080
BMW X3 F25 Window Lifter Switch Driver's Side Wiring Harness Loom Cable 9315080
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Volkswagen Polo 5 6R 1.2 TSI CJZC 90HP ECU Engine Control 04E907309AF
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Part no. 03C907309E
Volkswagen Passat B7 CAXA 122HP ECU Engine Control Unit Automatic 03C907309E
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Part no. 7595179-4
BMW E87 LCI E90 N43 118i 318i Petrol ECU Kit 7595179 DME CAS3 + 2 Keys Automat
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Part no. 1T0035411P
Volkswagen Touran 1T Front Centre Dashboard Tweeter Speaker 1T0035411P
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Part no. A2215406645
Mercedes W221 PDC Parking Distance Sensor Control Unit Module ECU A2215406645
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Part no. 4M0907594J
Audi Q5 FY Top Sunroof Opener Control Module Unit ECU 4M0907594J
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Part no. 9489061
BMW 3 F30 LCI 330e Hybrid KLE Convenience Charging Control Unit ECU 8685982
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Part no. A0009002126
AdBlue SCR Module Mercedes W907 W910 W447 Exhaust Gas Cleaning A0009002126
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Part no. 7810001-3
BMW E81 E87 LCI 118d E90 318d N47 143HP Diesel ECU KIT DDE 7810001 CAS3 + Key
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Part no. 2449488
Head Unit Mini F55 F56 Navigation Head Unit Radio DAB Media Player 2449488
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Part no. 7823800
BMW X5 E70 3.0sd M57N2 286HP Engine Control Unit ECU 7823800 Automatic
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Part no. 9257160-1
BMW E81 E87 E90 E91 LCI Bluetooth Combox Telematics Module 9257160
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Part no. 7801711-4
BMW 1 3 5 Series E60 E87 E90 120d 320d 520d M47N2 ECU Kit DDE 7801711 CAS2 + Key
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Part no. A2661540802
Mercedes-Benz W169 W245 Alternator Generator Petrol 90A A2661540802
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Preheating Control BMW E46 E60 X3 E83 E90 E91 Glow Plug Unit Diesel
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Part no. 7599881-3
BMW E87 LCI E90 120i 320i Petrol N43 170HP ECU KIT DME 7599881 CAS3 Key Manual
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Mercedes W221 Retrofit Joyeauto CarPlay Multimedia Interface Control Unit Module
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Mercedes SLK R171 M271 Positive Battery Cable Starter Alternator A1715400130
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Mercedes SLK R171 Fuse Box SAM Relay Control Unit Module A1715451001
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Mercedes-Benz A B E M W169 W245 W210 W163 Relay 5-Pin Yellow Hella A0025427419
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BMW X3 Series E83 LCI 1 Crash System Control Unit Module ECU 3453791
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BMW F30 F31 F32 Towing Hitch Trailer Hook Module Control Unit 6870517
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Mercedes-Benz S-Class W221 Remote Trunk Closing Hydraulic Lines Unit A2218001548
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BMW 5 Series E60 Saloon M5 S85 Battery Cable Plus Pole Positive Battery 7835216
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Suspension Control Module BMW X5 F15 F20 F30 VDC Unit 6862592
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Part no. 9216273-1
Auto Radio BMW E81 E87 E90 E91 Radio BMW Business CD Player Control Unit 9216273
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Part no. 6938085
BMW X5 Series E53 Light Check Module Control Unit ECU Lear LCM IV LWR 6938085
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Part no. 9237082
BMW F10 F11 Cable Harness Door Driver's Side Right O/S Wiring 9237082
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Part no. A1669000101
Mercedes W204 Becker Navigation Map Pilot Control Unit Module A1669000101
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Part no. 4F0905852B
Audi Q7 4L Steering Column Lock Mechanism Control Unit Module ECU 4F0905852B
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Part no. 6944498
Air Module BMW E60 E61 E63 Driver Side Door Control Unit Module 6944498
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Part no. 9T11-12A650-GH
Ford Transit Connect Engine Control Unit ECU 9TGH Module 1.8 TDCi 9T11-12A650-GH
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Part no. 6976780
BMW 7 Series E65 E66 Antenna Tuner Amplifier Professional 6976780
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Part no. 9191557
BMW E63 Head Unit Profesional CCC Radio Multimedia DVD Player Sat Nav 9191557
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BMW 3 X3 X5 Z4 Series E46 E53 E83 E85 E86 Video Module High 9125251
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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 .