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. A2115452240
Mercedes-Benz E CLS Class W211 W219 Control Module Bracket Holder A2115452240
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BMW 1 Series E87 Body Control Module ECU L2 PL2RR JBBFE Junction Box 9227179
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BMW F10 F11 Plug Bumper Front Trim Dummy Plug Right O/S Panel 7207150
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Volkswagen New Beetle Air Module Control Unit Sensor ECU 6Q0909605AL
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Mercedes R171 SLK200 Module Front Door Right O/S Control Module Unit A1718200626
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Mercedes Vito Viano W639 Alternator Generator Diesel 200A A0131541002
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BMW X3 F25 Rear Bumper PDC Wiring Loom Parking Sensor Cable Harness 9315094
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Air Module Mercedes W639 W906 Control Unit ECU Air Sensor 0285011060
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Mercedes Vito W447 Head Unit Radio Navigation GPS Nav Display A4479009005
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BMW 7 Series E65 E66 Dashboard Control Display Screen 8,8" 6960096 6967626
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Fuse Box BMW E87 E90 E91 E92 E93 Front Power Distribution Relay Box 6906607
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Mercedes W169 A150 M266.920 95HP Engine Control Unit ECU Kit A0034466040 2 Keys
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Fuse Box Mercedes C118 W177 W247 Battery Relay Terminal A1775404107
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PDC Parking Sensor BMW X5 E70 F10 F11 F12 Ultrasonic Sensor Space Grey 9231283
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BMW X5 F20 F21 F30 E70 LCI Trunk Lid Reversing Camera Rear 9240351
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Part no. A2218208789
Mercedes W221 Audio Sound Speakers Amplifier Control Unit ECU A2219008103
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Part no. 6946947
BMW X5 E53 Basic Body Control Unit Module GM3 6946947
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BMW E81 E82 E87 LCI N47S 123d Engine Control Unit DDE 7809002 Manual
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BMW 5 6 Series E60 M5 E63 M6 Rear Right O/S Brake Disc Protection Plate 6754630
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BMW Z4 E85 Petrol M54 Wiring Loom Harness Engine Automatic Gerabox
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Mercedes SLK R171 Air Module Bag SRS Control Unit ECU A1718205826
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BMW 3 Series F32 F82 M4 Wiring Loom Front Door Cable Passenger Side 9337221
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Audi Q7 4L Front Memory Adjustment Module Control Left Right N/O/S 4L0959760
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Mercedes W168 Alternator Generator A0121544502
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Part no. 7567178-1
BMW 3 5 Series E60 E90 325i 525i N52 218HP DME ECU 7567178 Kit CAS3 Key Manual
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BMW 1 3 Series E81 E87 E90 E91 E92 Amplifier Sound Audio System Alpine 0445683
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Mercedes W204 Steering Wheel Air Module Driver's Side Black A0008605903
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Dashboard Monitor BMW X5 E70 X6 E71 Onboard Display Screen 8,8" Unit 9232896
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Part no. 7520019-13
MINI Cooper R50 W10 116HP Engine ECU Kit DME 7520019 + EWS3 + Key Automatic
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Part no. 8603352-2
BMW F20 F30 116i 316i N13 136HP Engine Control Unit ECU DME 8603352 Automatic
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Part no. 3456034
Mini Cooper R56 LCI ECU Footwell Light Module FRM3R LOW EKS Lear 3456034
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Part no. A6421508900-8
Mercedes W221 S350 BlueTEC OM642.862 Engine ECU Kit Ignition + Key A6421508900
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Part no. A2218707393
Mercedes S350 W221 Seat Control Module Front Left N/S A2218707393
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Part no. 8X0919475AE
Audi A1 8X PDC Assistance Parking Distance Control Module Unit ECU 8X0919475AE
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Part no. A6401540502
Mercedes W169 W245 A B 160 180 200 CDI OM640 Alternator Generator A6401540502
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Part no. 3Q0906121B
Audi A3 8V 30 TDI DGTE Diesel Fuel Pump Module Control Unit ECU 3Q0906121B
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Part no. 8U0959107A
Audi Q3 8U Tailgate Lift Boot Lid Control Unit Module Trunk 8U0959107A
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Part no. 9350332
Head Unit BMW F30 F31 F32 X3 F25 Navigation Sat Nav Basic Media Player 9350332
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Part no. 6990109
BMW X3 E83 LCI Front Door Speaker Tweeter 6990109
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Part no. 059911024J-1
Volkswagen Touareg 7L 3.0 TDI Diesel Engine Starter Motor 059911024J
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Part no. A0255453332
Mercedes W202 W210 Engine Cooling Radiator Fan Control Unit Module
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BMW X5 E70 CAS3 Control Unit Key Reading Module 6943838
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Audi A6 C7 CD Player Radio Stereo Head Unit MMI NAVI 4G0035193C
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Audi Q7 4L Air Suspension Adjustment Module Control Unit ECU 4L0907553
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Engine Alternator BMW F20 F21 F30 LCI Generator Lucas 170A N13 Petrol 7605060
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Mercedes C117 W166 W176 W222 W246 Relay Black Control Unit 12V 20A A0025429219
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Mercedes W213 OM654 Battery Cable Starter Alternator Wiring Harness A2385406926
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Mercedes W204 W212 Fuse Box Relay Control Unit Electric SAM Module A2129009705
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BMW Mini Cooper One R56 LCI High PL3 SPEG H4 Fuse Distribution Box 3457163
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Part no. A6519009702-2
Mercedes H243 EQA350 780.200 4-Matic Engine Unit ECU A6519009702 Automatic
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Part no. 9381320
BMW F45 Mini F55 F56 Head Unit Basic Media DAB Headunit 9381320
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Part no. 5K0937084H
Volkswagen Sharan 7N Fuse Box Module Comfort BCM Control Unit ECU 5K0937084H
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Peugeot 207 1.4 HDI Fuse Box BSI Control Unit Module ECU 9659285480
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BMW E64 Convertible Airbag Module Sensor ECU Air Bag Unit 9172020
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BMW 5 6 X3 X5 Series E53 E60 E61 E63 E83 1 Cigarette Lighter Socket 6973036
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Volkswagen Sharan 7N Sliding Door Locking Catch Plate Left N/S 7N0843639
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Part no. 8506442-1
BMW E81 E87 LCI 123d Petrol N47S 204HP ECU Kit DDE 8506442 CAS3 Key Automatic
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BMW E90 E91 LCI N47N 320ed 320d ed 163HP ECU Engine Control DDE 8510829 Manual
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MINI Cabrio R52 R53 Battery Cable Lead Positive Plus Pole Wiring 6942507
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Mercedes-Benz W204 C220CDI Diesel Engine Control Unit Module ECU A6461502072
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Part no. 1025-04-01
BMW F20 F21 LCI F23 GPS Navigation Display Screen Android Auto CarPlay 10,25"
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Part no. 8W1959592
Audi Q5 8R Door Module Front Left N/S Control Unit ECU Controller 8W1959592
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Part no. A2118701026
Mercedes W211 Door Module Front Right O/S Control Unit ECU A2118701026
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BMW X3 E83 LCI 2.0d N47 Engine ECU Module Kit DDE 7809196 + EWS + Keys Automatic
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Mercedes W906 313 CDI OM651.955 129HP Diesel Engine ECU A6519003203 Manual
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Roof Wiring Mercedes SLK R171 Covertible Roof Opening Wring Harness A1715404209
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CD Radio Citroen Relay Peugeot Boxer Audio Player Head Unit 7355333750
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Part no. 9803399680
Display Screen Citroen Berlingo Peugeot Partner Dashboard Monitor 9803399680
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Part no. 7539808
MINI Cooper R50 R52 1.6i W10 116HP Engine ECU Control Unit DME 7539808 Manual
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Part no. 1371887080
Peugeot Boxer Body Control Module Control Unit BCM Fuse Box 1371887080
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Part no. 6782283
BMW E81 E87 E90 E91 E92 E93 Active Steering Control Unit Module 1277022065
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Mercedes-Benz C-Class W203 Front Right Door O/S Control Unit Module A2038201285
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Part no. 7P5907381B
Porsche Cayenne 92A Front Headlight Xenon Ballast Control Module Unit 7P5907381B
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Mini R55 R56 R60 R61 Engine Starter Motor Mitsubishi 7645594
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AUDI S8 D3 Access Start Comfort Kessy Control Module 4E0907181A
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Part no. 7809000-1
BMW E60 E87 E90 120d 320d 520d N47 ECU Kit DDE 7809000 Control Unit CAS3 + Keys
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Part no. 3457033
Mini Cooper R59 Footwell Light Module AHL EKS ECU LEAR PL3 FRM3R 3457033
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Part no. 7555926-2
BMW E60 E81 E90 E91 Petrol Alternator Generator 180A 7555926
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Part no. 6916692
BMW 7 Series E65 E66 E67 Steering Wheel Electronics Control Unit Module 6916692
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Part no. 8H0959655E
Audi A4 S4 B7 Cabrio Air Module Control Unit ECU Impact Sensor 8H0959655E
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Part no. 7789980-2
BMW E46 M47N M57N Alternator Generator 150A Valeo 7789980
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Part no. 7576921-1
Mini Cooper R55 R56 R57 R58 Petrol Engine Alternator Generator 7576921
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BMW E81 Footwell ECU Light Control Module MAX Kuester FRM3R 6827065
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Door Module Mercedes CLA C118 W177 Front Door Right O/S Control Unit A1779002107
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Alternator Generator Peugeot 208 308 Partner Diesel 12V 9678048880
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BMW X3 X5 Series E83 E53 Telematics Control Unit Module 9129850
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Fuel Pump Module VW Volkswagen Sharan 7N Fuel Sender Control Unit ECU 7N0906093
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BMW Mini Cooper R50 R53 Cable Door Right Wiring Harness Loom 6915575 6944249
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AUDI A8 S8 D3 Reversing Camera Control Module Rear View Unit ECU 4E0910441
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VW Volkswagen Polo 1.2 TSI CBZB Engine Wiring Harness Cable Loom 03F971612
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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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Part no. 8Y0959760
Audi S3 8Y Front Seat Control Module Unit Left N/S 8Y0959760
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Mercedes C207 Parking Sensor Wiring Loom Cable Harness Front PDC A2074400208
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BMW X6 E71 Antenna Amplifier Diversity Control Unit Module 868 MHZ 9130160
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Part no. 9283526
Mini Navigation Head Unit R55 R56 R57 LCI R60 R61 CHAMP 2 Sat Nav DAB 9283526
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Part no. 1437967
BMW E46 M43 Engine Wiring Loom Harness Ignition Module Cable 1437967
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Part no. 2241253-SGM
BMW 7 E65 E66 Rear Bumper PDC Ultrasonic Sensor Schiefergruen Slate Green 449
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Part no. 6946107
BMW 7 Series E65 E66 Driver Seat Airbag Sensor Control Unit Module 6946107
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Part no. 9294309-1
BMW X3 F25 X4 F26 Dashboard Monitor Onboard Central Display Screen 6,5" 9294309
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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 .