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. 7805286-5
BMW E92 E93 Diesel 330d M57N2 231HP Engine Control Module ECU DDE 7805286 Manual
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Mini F55 F56 Cooper SD B47 Diesel Engine ECU Kit DDE 8582719 BDC Key Automatic
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Mercedes W166 W221 Auxiliary Additional Generator Battery A0049820008
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BMW E65 730d M57N2 231HP ECU Engine Control Kit DDE 7803369 CAS Key Automatic
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Mercedes W164 ML300 OM642.820 204HP Engine Control ECU Kit A6429002900 Automatic
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BMW F20 F30 F32 LCI 120i 320i 420i Petrol B48 184HP Engine ECU Unit DME 9486260
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SD Card Mercedes W205 Garmin Map Pilot Navigation Europe 2017/2018 A2189061903
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Mini Cooper R60 R61 Wiring Cable Harness Instrument Dashboard Dash 9806150
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BMW F20 F21 F31 F32 F87 Body Control Comfort Module Unit BCM 8733501
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Mercedes SLK R172 Fuse Box Power Distribution Control Module Unit A1725401450
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Mercedes W204 SAM Control Unit Module Fuse Box Relay A2045451869
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BMW X3 G01 Parking Module PDC Distance Control Unit Sensor Black 9826787
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Audi A4 B8 Door Module Rear Right O/S Control Unit Module ECU 8K0959794
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Mercedes V177 Rear Bumper Blind Spot Radar Sensor Left Right Module A0009054111
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Volkswagen Touareg 3.0 TDI BKS 225HP Engine Control Unit ECU Kit 7L0907401F Key
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Mercedes W639 OM651.940 113 CDI 136HP Engine Module ECU A6511501879 Automatic
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BMW X5 E53 Navigation System Video Module Control Unit High 6966696
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Audi A3 8P 1.8 TFSI BZB 160HP Engine Control Unit Module ECU 8P7907115 Automatic
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Relay Make Contact BMW F01 F02 F07 Relay Module Unit Purple 4 Pin Tyco 8367100
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Audi TT Mk1 8N Radio Stereo Player Head Unit Chorus 4B0035152C
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Mini Cooper F60 Countryman Airbag ECU Control Unit Module 7911251
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BMW E60 LCI E90 E91 325d 525d M57N2 197HP Engine ECU DDE 8509034 Manual
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Dashboard Monitor BMW Z4 E85 Onboard Central Information Display Screen 9169175
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BMW F20 F21 LCI 120d Diesel B47 190HP ECU Control Unit Module DDE 8475350 Manual
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Mini Cooper R60 R61 Wiring Cable Harness Instrument Dashboard Dash 9808157
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Engine Wiring Mercedes W906 OM651.955 Euro 5 Cable Loom Harness A6511505520
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Part no. 7553166-5
BMW E60 E90 E91 N52 325i 525i 218HP Engine Control Unit ECU DME 7553166 Manual
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Mercedes W221 DVD CD Changer Navigation Comand Unit Navi A2218703095
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Porsche Macan 95B Headlight Lamp Ballast Control Module Left N/S 7PP941572BG
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Peugeot 307 CD Player Radio Stereo Head Unit 96766518XT00
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Part no. 8736430
BMW G20 G22 G26 HV Accumulator Fuse Box Battery Jump Start Terminal 8736430
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Part no. A6519002600-2
Mercedes W906 309CDI OM651.955 Diesel Engine ECU Kit A6519002600 Key Lock Manual
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Part no. 8574095-5
BMW F20 F21 F30 116d 316d Diesel N47N Engine ECU DDE 8574095 Key FEM Manual
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Part no. 5Q0959655L
Audi A3 8V Air Module Control Sensor ECU Unit 5Q0959655L
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Part no. A2098201385
Voice Module Mercedes W203 W209 W211 Control Unit Input System A2098201385
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Part no. 4B0035186D
Radio Player Audi TT 8N Audio Head Unit Cassette Player Concert 4B0035186D
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Part no. 8K0959793B
Audi A4 B8 Door Module Control Unit ECU Front Driver's Side 8K0959793B
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Part no. 8589145-8
BMW F46 220dX B47 190HP Engine Control Unit Module ECU DDE 8589145 Automatic
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BMW 7 Series E65 E66 6-fold CD Disc Changer Without Magazine 6926933
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Part no. 9134481
BMW 1 Series E87 ECU Body Control Module Junction Box H2 9134481
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Part no. 9505275
BMW F40 F45 X1 F48 Mini F55 F56 Control Unit SAS Module ECU 9505275
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Audi A3 8P 1.6 TDI 105HP CAYC Engine ECU Kit 03L906023PP Keys + Ignition Manual
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Part no. 9869876
Mini F60 Body Control Module ECU Control Unit BDC LR01 9869876
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BMW E46 Control Unit Module Mirror Memory 6913364
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Audi TT 8N Disc CD Changer Player Reader System Head Unit 8N8035111A
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BMW F20 F30 Head Unit Display Screen Sat Nav Navigation Set 033830N 10,25"
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Citroen Relay III Air Module Sensor Control Unit ECU 12V 46859297
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BMW U06 I4 Tailgate Smart Opener Mechanism Module Control Unit 5A69F87
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BMW 1 3 Series E81 E87 E90 E91 E92 Radio Professional CD Audio Player 9150109
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Part no. 7811151-1
BMW E60 LCI E90 325d 525d M57N2 Basic DDE Control Unit ECU Kit 7811151 Automatic
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Part no. 8617551-4
BMW F30 F31 320i Petrol N20 184HP Engine ECU Kit DME 8617551 FEM Key Automatic
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Part no. A0048201326
Mercedes C216 W221 SRS Control Unit Module ECU Air A0048201326
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Mercedes W221 Air Module Control Unit ECU SRS Module Trigger Device A2218200985
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Part no. 9165211
Display Screen BMW E65 E66 Dash Information Navigation Monitor 8,8" 9165211
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BMW F10 F11 F12 540i 640i N55 315HP Engine Control ECU DME Kit 7629420 Automatic
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VW TOURAN 1T Steering Angle Steering Wheel Column Control Module ECU 1K0953549AF
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BMW Z4 Series E89 Roadster Wiring Loom Harness Engine Module Ignition Petrol N20
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Mercedes W176 Becker Navigation Map Pilot Control Unit Module A1669008812
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Part no. 9868380
BMW F20 F30 F80 F82 F87 Body Control Comfort Module Unit FEM ECU 9868380
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Part no. 8512043-4
BMW E90 E91 LCI 318d N47N 143HP Engine ECU Kit DDE 8512043 CAS3 Key Automatic
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Part no. A2118208285
Mercedes W211 Door Module Front Right O/S Driver Control Unit ECU A2118208285
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BMW E60 LCI E90 325d 525d M57N2 ECU Engine Control Unit DDE 7811151 Manual
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Part no. 8P0959433F
Audi A3 8P CCM Covenience Control Module Unit Relay Board ECU HELLA 8P0959433F
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Part no. 8663562
BMW F30 LCI 320i B48 184HP Engine Control Unit ECU 8663562 Automatic
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Part no. 7796571-4
BMW X3 E83 2.0d M47N2 150HP Engine ECU Kit DDE 7796571 + EWS3 + 2 Keys Manual
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Part no. 9491422
BMW G32 Tailgate Boot Trunk Function Module Control Unit ECU 9491422
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Part no. A3019UP
BMW X1 E84 PODOFO 2GB 64GB 10.1" Android 13 Double Din Car Stereo CarPlay Auto
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Part no. 9125751
BMW E83 E83N E85 E86 Top-hifi System Amplifier 9125751
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Part no. 8733500
BMW F20 F21 F22 F30 F31 F32 F36 Front Electronic Module Control Unit FEM 8733500
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Part no. 46862934
Citroen Relay III Body Control Module BCM BSI Unit Fuse Box 46862934
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BMW E60 E87 E90 Telematics Bluetooth Control Unit Module 9231093
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Part no. 55568385
Vauxhall Corsa D 1.3 CDTI Z13DTH Diesel Engine Control Unit Module ECU 55568385
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Part no. 7803369-4
BMW E60 E90 330d 530d M57N2 ECU Engine Kit DDE 7803369 CAS3 + Key Automatic
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Part no. A2115460641
Mercedes W211 Battery Fuse Box Control Unit Module A2115460641
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Part no. 6H0953257BX
VW Polo 6N Immobilizer Control Unit Module ECU 6H0953257B
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Part no. A6461506272-1
Mercedes W906 313 CDI OM646.986 129HP Engine Unit ECU Kit A6461506272 Keys
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Part no. 9801622
BMW Countryman R60 R61 Centre Console Retaining Bracket Rail Rear 9801622
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Audi A3 S3 8V Head Unit MIB High Multimedia Player CD SD Card Sat Nav 8V1035035A
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Part no. A2095451101
Fuse Box Mercedes W203 W209 Front Relay Control Unit Module SAM A2095451101
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Mercedes W906 313 CDI OM646.986 129HP Engine Unit Module ECU Manual A6461506272
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Mercedes W205 C253 Control Unit Module Bracket Mount Holder Support A1771502073
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Part no. 9809590-1
Mini Countryman R60 Fuse Distribution Box PL3 SPEG H7 DC/DC 9809590
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Mercedes Citan W415 109 CDI OM607.951 Engine Control Unit ECU 237104376R Manual
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Seat Module BMW G11 G30 G31 CAN Massage Seat Mat Unit Front Right O/S 6998600
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BMW i3 I01 94Ah Battery Management Electronic Control Unit Module 8648060
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Dashboard Monitor BMW Z4 E85 E86 Central Information Display Screen 9137034
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Mercedes-Benz Vito Viano W639 Alternator Generator Diesel 200A A0131541002
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BMW G32 VDP Low Adaptive Suspension Control Module Unit ECU 6896421
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BMW E46 M3 Battery Cable Positive Plus Pole Lead Wiring Loom Harness 2695530
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Part no. 8H0035225R
Audi A4 B7 Aerial Antenna Amplifier Module 8H0035225R
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Part no. 7802567
BMW 3 Series E90 E91 E92 325D M57N2 Diesel Manual Engine Wiring Loom Harness
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Part no. 7L0959933F
Volkswagen Touareg 7L Body Comfort Module Control Unit ECU 7L0959933F
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Part no. rhd-A2479001617
Mercedes W177 Instrument Cluster Navi Sat Display Screen Multimedia A2479001617
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Part no. 4F0907383C
Audi A6 C6 Tow Bar Trailer Control Module Unit 4F0907383C
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Part no. 6Q0971235K
Seat Ibiza 6J Negative Battery Terminal Cable Wire Wiring 6Q0971235K
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Part no. A2118208185
Mercedes W211 Door Module Front Left N/S Driver Control Unit ECU A2118208185
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Part no. 8585225-1
Mini F55 F56 Cooper SD B47 Diesel Engine ECU Kit DDE 8585225 BDC Key Manual
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Part no. 8E0910115H-1
Audi A4 B7 2.0 TFSI BGB Quattro 200HP Engine ECU Kit Ignition 8E0910115H + Keys
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Part no. A2729000300-1
Mercedes R171 M272.942 SLK300 231HP Engine Module ECU Kit A2729000300 Key
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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 .