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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BMW X3 E83 LCI 2.0d N47 177HP Diesel ECU Kit DDE 7811999 + EWS4 + Key Automatic
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Mini Cooper R56 LCI N16 1.6 122HP Petrol Engine ECU Kit DME 7638322 + CAS3 + Key
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Mercedes W204 Battery Wiring Cable Harness Loom A2045409907
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Volkswagen Polo 6R 1.4 TDI CR 75HP CUSA Engine ECU Kit 04B907445 Key BCM Manual
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BMW F80 M3 F82 F83 M4 431HP Engine Unit Module ECU DME 8679840 Dual Clutch
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BMW E39 523i E46 323Ci M52 170HP Engine ECU Module DME 7500255 Automatic
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BMW 5 Series E60 E61 M54 520i 525i 530i Engine Wiring Harness Loom 7529729
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BMW E87 E90 118i 318i N46 129HP Engine Control Unit ECU Kit DME 7552176 CAS2 Key
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Mercedes W204 C180 156HP Kompressor 271.910 Engine ECU Kit A2711504279 Key Lock
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Volkswagen Touran 1T Module BCM Body Control Unit Module ECU 3C0937049E
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BMW F20 F30 LCI Harman Head Unit High 2 Media Sat Nav Radio NBT EVO HU 6822066
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BMW AGM 12V Accumulator Battery 70Ah 720A 9326470
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Mercedes R171 Radio CD Player Stereo Navi Media Head Unit A1718202989
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ECU Mercedes C205 C250d Diesel OM651.921 204HP Engine Control Unit Automatic
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Audi A3 8V BCM Body Control Module Unit ECU 5Q0937084CF
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Fuse Box BMW E87 E90 E91 E92 E93 Front Power Distribution Relay Box 6906607
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BMW F20 F30 LCI Diesel 150HP B47 ECU DDE Engine Control Unit 8598759 Automatic
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Mercedes W204 C 220 CDI 651.911 170HP Engine Control ECU Kit A6519007500 Manual
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Mercedes W213 Head Unit CD Media Player Audio Auto Radio Controller A2139005311
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BMW 3 Series E90 E92 E93 M3 Front Bumper PDC Loom Cables Wiring Set 9145026
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Peugeot 307 Display Screen Dashboard Multifunction Monitor Unit 9652809977
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BMW X3 F25 X4 F26 Dashboard Monitor Onboard Central Display Screen 6,5" 9294309
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Mercedes Citan W415 Battery Tray Housing Box Case Covering 648944878R
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Mini Cooper R56 LCI R60 N16 122HP Engine Control Unit ECU DME 8600124 Manual
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Mercedes W213 Parking Control Unit Module ECU Parktronic A0009006418
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Citroen C4 Peugeot 3008 Starter Motor Engine Diesel 9663528880
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BMW F10 520d ed 163HP N47N Engine Unit ECU Kit DDE 8518477 + Key + CAS4 Manual
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Air Condition Control Audi A4 B8 A5 8T Climate Module Heater Unit 8T2820043AD
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VDO DTCO 1381 Digital Tachograph Tachometer Control Unit Module 735592239
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BMW E87 LCI E90 E91 120i 320i N43 170HP ECU Kit DME 7583225 CAS3 + Key Manual
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Part no. MMI-BOX
MMI Box Media Interface Control Unit Module Android Apple CarPlay Interface Unit
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Part no. 4E0907476
Audi A6 C6 FL Xenon Headlight Light Ballast Control Unit 4E0907476
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BMW F20 F30 MINI F56 Control Unit Air Conditioning Module 9267958
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Seat Ibiza 6J Head Unit Mulitmedia Hazard Triangle Switch Panel Block 6J0035156
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Part no. 8589141-4
BMW F10 F20 F30 LCI B47 118d 318d 518d 150HP Engine ECU DDE 8589141 Automatic
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Part no. 8515900-1
Engine Starter Motor BMW X5 E70 LCI F01 N57 Diesel Starter Actuator 8515900
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Mini R52 Roof Module Cabrio Convertible Folding Top 6972651
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Audi RS3 8Y 2.5 TFSI Quattro 400HP DNWC Engine Unit ECU 07K907309L Automatic
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BMW F20 F30 F80 F82 F87 Body Control Comfort Module Unit FEM ECU 8707674
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Mercedes W906 Positive Battery Cable Wiring Loom Harness A9064408234
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BMW F40 Parking Control Module Unit USS ECU LOW 9873546
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BMW X1 E84 Basis TFL Footwell Light Module Control Unit ECU FRM3R PL2 9340333
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BMW 5 Series F10 F11 LCI B47 Cable Alternator Starter 8573116
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Mercedes-Benz Vito W639 Fuse Box Cover Cap Trim A6395450203
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Head Unit BMW F30 F31 F32 X3 F25 Navigation Sat Nav Basic Media Player 9350332
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Ford Transit Mk7 Starter Motor Wiring Cable 2.2 TDCi 6C1T-14A120-AD
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Door Cable Mini F60 Wiring Loom Front Right Driver's Side 9864909
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BMW 3 X1 SERIES 1 E84 E90 E91 E92 Petrol Instrument Cluster Speedo Clocks 913029
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BMW Z4 E85 2.2i 2.5i 3.0i M54 Wiring Loom Harness Engine Module 7532036
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Parking Module Mercedes W169 W245 PDC Distance Control Unit Sensor A1695400762
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Part no. A2769001500
Mercedes W204 C350 276.957 306HP BE Engine Module ECU A2769001500 Automatic
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BMW 7 Series E65 E66 Control Unit Door Rear Passenger Side 6933268
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Part no. 7799856-5
BMW E60 E61 E90 330d 530d M57N2 231HP Engine ECU KIT DDE 7799856 CAS2 Key Manual
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Radio CD Player Mini Cooper R55 R56 R57 LCI R60 Radio Boost Head Unit 3457568
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BMW 5 Series E61 Touring Body Control Module ECU Control Unit KBM High 6957143
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BMW 1 3 Series E81 E87 E90 LCI 118d 318d N47 Diesel ECU Kit DDE CAS3 Key 7823422
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BMW E60 E61 LCI Rain Light Sensor Control Unit Module 6980018
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BMW G11 G30 Tailgate Module Power Trunk Lid Function Control Unit ECU 7481045
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BMW E88 Light Module Footwell Module PL2 FRM3R Lear Control Unit 9308366
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Mercedes W204 Coupe Door Module Front Right O/S Control Unit A2049001506
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Iveco Daily 2.3 Diesel F1AE0481 Engine Unit Module ECU Manual 504073032
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BMW 1 Series E87 Footwell Light Control Module Lear FRM3R PL2 9249080
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Mercedes-Benz A208 C208 W208 W210 Battery Cable Box Connector A0005401869
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Part no. 8W0035465
Stereo Radio Amp Audi A5 F5 Sound System Speaker Amplifier 8W0035465
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Part no. 7L6959933
Volkswagen Touareg 7L Control Comfort Unit Module Unit ECU 7L6959933
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Mercedes-Benz Sprinter W906 Rear Door Licence Plate Lighting Wiring Cable
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Part no. 8509035-2
BMW E60 LCI 530d X5 E70 3.0d M57N2 235HP Engine ECU KIT DDE 8509035 CAS3 + Key
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Part no. 8626086
Alternator Motor BMW F20 F21 LCI B37 Diesel Engine Alternator 180A 8626086
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Part no. CPBM2022H-CIC
BMW F07 Car Play Android Auto Module Adapter CPBM2022H-CIC
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Part no. 9251976-1
BMW F02 Footwell Light Control Unit Module ECU FRM III 9251976
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BMW X1 E84 Reversing Rear View Camera Control Unit Module 16129510
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BMW E81 E87 E90 Hands Free Electronics Charging Bluetooth Module MULF 6950089
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Part no. NBT-6G128G
BMW F30 F31 Car Stereo Apple Car Play Display Screen NBT 6G + 128G NBT-6G128G
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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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Part no. 8518268-1
BMW E90 E91 LCI 318d Diesel 143HP N47N ECU Kit DDE 8518268 + CAS3 + Keys Manual
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Part no. 5R3919294
Volkswagen Golf CD1 Park Parking Assist PDC Distance Control Module 5R3919294
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Part no. 8E0035192D
Audi A4 B7 Navigation System Car Sat Nav Computer Head Unit 8E0035192D
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Part no. 7580279-7
BMW E87 LCI E90 118i 318i N43 143HP ECU Engine Control Unit DME 7580279 Manual
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Part no. 7561684-8
BMW E60 E90 325i 525i N52 218HP Engine ECU Control Unit DME 7561684 Automatic
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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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Audi Seat Skoda Volkswagen Gateway Control Unit Module ECU 3Q0907530AA
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Rain Sensor Mercedes W204 W212 Light Solar Condensation Control Unit A2079012200
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BMW E60 LCI E90 E91 E92 325d 525d M57N2 Engine ECU KIT DDE 7805288 CAS3 + Keys
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Mercedes C207 Glow Plug Relay Unit Control Module A6429005601
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Part no. 7580279-8
BMW E87 LCI E90 120i 320i N43 143HP ECU Engine Control Unit DME 7580279 Manual
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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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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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Part no. A9068200486
Radio Player Mercedes W639 W906 Audio Stereo CD Head Unit Display A9068200486
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Part no. A6399000300
Mercedes Vito Viano W639 Side Sliding Door Control Unit Module ECU A6399000300
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BMW E60 E61 Doors Wiring Loom Harness Co-Drivers Passengers Side 9120773
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Part no. 9186177
BMW E60 E61 E65 E87 E90 Trailer Towing Control Module AHM 4R 9186177
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Part no. 7810001-2
BMW E81 E87 LCI E90 118d 318d N47 143HP Diesel ECU KIT DDE 7810001 CAS3 + Key
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Part no. A0009008129
PDC Module Mercedes W177 Parktronic Parking Assist Control Module A0009008129
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Part no. 7579142-16
BMW E81 E87 LCI 116i 1.6 Petrol N43 ECU Kit DME 7579142 CAS3 + Key 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 .