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 5 X5 Series E39 E53 1 Radio Business CD Player Unit 6961218
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Mercedes W176 W246 Rear Boot Lid Tailgate Antenna Booster Amplifier
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BMW X3 E83 LCI Map Card Fuse Box Grouping Diagram 3450247
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BMW E81 E87 E90 E91 E92 E93 LCI Radio CD Professional 9243916
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MINI Cooper D One R50 Alternator Generator 7790879
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MINI One D R50 W17 1ND Engine Wiring Loom Harness Module 7790365
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Mini One R56 N12 95HP ECU Engine Control Kit DME 7589971 + CAS3 + Key Automatic
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BMW E87 E90 E91 120i 320i N46 150HP ECU Kit DME 7565300 CAS3 + Key Automatic
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Mini Cooper S R55 R56 LCI N18 1.6 184HP ECU Kit DME 7612190 + CAS3 + Keys Manual
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BMW E60 E90 E91 N52 330i 530i ECU Kit DME CAS2 Key 7553166 Automatic
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Mini Cooper 3 R50 R52 R53 W10 1.6 Petrol Engine Starter Motor Lucas 7570488
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BMW E93 E64 Convertible Rollover Control Controller Module 9179400
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BMW 5 6 Series E60 E61 E63 E64 Fuel Fillter Flap Cover Actuator 8377415
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BMW E60 E61 E63 Professional CCC Navigation System Controller 9159022
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Mini Cooper One R55 High SPEG DC/DC H3 Fuse Distribution Box 3451927
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Mini Cooper R55 R56 Petrol N12 1.6 ECU Kit DME CAS3 + Key 7640004 Manual
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BMW 1 5 7 Series F20 F21 LCI G11 G30 G31 Diesel Starter Motor Engine 8588898
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Mini Cooper F55 F56 F57 F60 Starter Motor Engine 8570845
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BMW X5 X6 E70 E71 Power Distribution Fuse Box Battery 9178959
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Mini Cooper S R55 R56 N18 Ignition Injection Valve Wiring Harness 7647197
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MINI Cooper R50 W10 116HP Engine ECU Kit DME 7545789 + EWS + Key Automatic
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BMW Z4 Series E85 Roadster Passenger Side Door Cable Harness Wiring 6934610
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Mini Cooper R57 Wiring Loom Harness Rear Trunk Lid 9278356
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BMW X3 Series E83 LCI Wiring Harness Engine Gearbox Module 3452226
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BMW 3 Series F30 F31 F80 M3 Front Rear Right O/S Wiring Loom Harness Cables Set
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BMW X5 Series E70 E70N LCI Wiring Set Wash Water Container Cable Loom 9115107
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BMW X5 E70 ECU Body Control Module Unit JBBFEII PL4 LOW 9146036
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Part no. 7520019-11
MINI Cooper R50 W10 116HP Engine ECU Kit DME 7520019 + EWS3 + Key Automatic
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BMW Z4 Series E89 Front Bumper PDC Loom Cables Wiring Set 9225771
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BMW F07 F10 F11 Speakers Amplifier Bracket Holder Mount Unit Module 9174269
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Part no. 8378107
BMW X5 Series E53 Electrical Power Distribution Fuse Box 8378107
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BMW F07 F12 F13 LCI Camera System Unit Module Bracket Holder Mount 9186477
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BMW E90 E91 LCI N47N 320d ECU Kit Basic DDE Control Unit 8512047 + CAS3 + Key
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BMW X1 Series E84 20i N20 184HP ECU Engine Kit DME 8610678 CAS3 + Key Manual
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Part no. 8512499-3
BMW E87 E90 LCI N47 118d 318d Diesel ECU Kit DDE 8512499 CAS3 + Key Manual
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Part no. 6960000
BMW X5 Series E53 Front Bumper PDC Loom Cables Wiring Set 6960000
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Part no. 6948059
BMW Z4 Series E85 Roadster Wiring Passenger Side Door Cable Harness 6941884
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BMW E60 E61 Driver's Side Door Air Module Control Unit Module 6976157
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Part no. 9803846-1
Mini Cooper Countryman R58 R60 R61 Aerial Roof Antenna Base Module 9803846
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BMW E84 ECU Body Control Module Junction Box H2 9247472
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BMW X3 E83 Z4 E85 CID Control Unit CD Player Radio Audio System 9166376
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BMW X3 X5 E53 E60 E61 E83 PDC Parking Sensor Ultrasonic Schwarz Black 6989069
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BMW E92 Mid-Range Loudspeaker Midtone Speaker 2163807
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BMW F20 F21 F30 F31 Business Navigation Sat Nav Head Unit Player 9365833
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BMW E90 E91 LCI N47N 318d 143HP Engine ECU Kit DDE 8510832 + CAS3 + Key Manual
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Alarm Sensor BMW E84 E91 Ultra Sonic-Module System Control Unit 9260874
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BMW E87 E90 LCI CIC Sat Nav Screen Navigation Professional 9222861
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Mini Cooper One R57 Footwell Light Module High EKS ECU PL3 FRM3R 3456987
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BMW 1 2 Series F20 F21 F23 LCI Top Hifi Audio Amplifier Harman Kardon 9307293
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Part no. 7789376-3
BMW X5 E53 3.0d M57 184HP ECU Kit DDE 7789376 + EWS3 + Keys Automatic
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Part no. 8678958
Mini Cooper S F55 F56 Petrol B46C B48C Engine Wiring Cable Loom Harness 8678958
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Part no. 9150883
BMW 3 E93 Convertible Boot Trunk Lid Tailgate Wiring Loom Harness Cables 9150883
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Part no. 7513983-2
Mini Cooper R50 Engine W10 116HP Engine ECU Kit DME 7513983 EWS Key Automatic
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Part no. 9146651
BMW X5 X6 Series E70 E71 Board Monitor Sat Nav System Screen 8,8" 9146651
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Part no. 9149229
BMW 5 6 E60 E63 LCI Radio CHAMP Professional CD Player System Controller 9149229
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BMW X3 E83 Transmission DXC Transfer Box Wiring Cable Loom Harness 3414473
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Mercedes-Benz Sprinter W906 Front Left N/S Door Wiring Loom Harness A9060005999
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Part no. 7639049-2
Mini Cooper S ALL4 R60 N18 Engine Unit ECU Kit DME 7639049 CAS 3 Key Manual
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Part no. 8583451
BMW F20 F21 F30 LCI F32 Engine Starter Motor Diesel B37 B47 8583451
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BMW 3 4 Series F30 F31 F32 Rear Bumper PDC Cables Wiring Loom Set 9315897
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Part no. 9291956
BMW 1 Series F20 F20N LCI Front Door Wiring Loom Harness Driver Side 9291956
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BMW 1 3 5 Series F10 F20 F30 Wiring Harness Motor Sensorsystem Module Petrol N20
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Part no. 6973036-1
BMW 5 6 X3 X5 Series E53 E60 E61 E63 E83 1 Cigarette Lighter Socket 6973036
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Part no. 7567362-2
BMW 3 Series E90 E91 E92 325i N52N 218HP ECU Kit DME CAS3 Key 7567362 Manual
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Part no. 9148016
BMW E90 E91 E92 Professional CCC DVD Navigation System Controller 9148016
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Part no. 9229240
Radio Business BMW E81 E87 E90 LCI CD Player 9229240
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Part no. 8519663-3
Mini Cooper D R55 R56 LCI R60 N47N 112HP Engine ECU Kit DDE 8519663 CAS 3 Key
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Part no. 7586940-1
BMW E90 E93 325i E60 LCI 525i N53 218HP ECU Kit DME CAS3 + Key 7586940 Automatic
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Part no. 8717408
Mini F55 F56 Wiring Loom Harness Instrument Panel Dashboard Cable 8717408
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Part no. 7645979
Mini F54 F55 F56 F57 F60 Petrol B36 B38 B46 B48 Engine Starter Motor 7645979
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Part no. 7068054-1
BMW 5 7 Series E60 E61 E65 E66 Front Seat Transmission Bracket Arm 7068054
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Part no. 1 301 328 884
BMW 3 Series E92 LCI Headlight Inner LED Module Unit 1301328884 1307329329
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BMW E60 E87 E90 LCI 120d 320d 520d N47 Engine ECU Kit DDE 7807530 CAS 3 + 2 Keys
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Part no. 6975044
BMW Mini Cooper One R50 Cable Wiring Loom Door Front Left N/S 6962777
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Part no. 9253111-2
BMW 1 2 Series F20 F21 F22 2 Positive Plus Pole Battery Blow Cable 9253111
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Part no. 9237085
BMW 5 Series F10 F11 Cable Loom Door Passenger Side Wiring Harness 9240882
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Part no. 7553735-3
Mini Cooper S R53 W11 170HP Engine ECU Kit DME 7553735 + Key + EWS Manual
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BMW 5 Series E60 E61 Cable Set Door Wiring Loom Harness Driver's Side 9120773
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Part no. 7823934-1
Mini Cooper D R55 R56 Diesel W16 1.6 109HP ECU Kit DDE 7823934 CAS3 + Key Manual
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BMW F20 F21 F30 F31 F32 Radio Professional CD DAB Head Unit 9299268
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Part no. Alpine CHM-S630
Alpine CHM-S630 6-disc Compact CD Changer Multichanger Digital Audio
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BMW 3 5 7 X5 E38 E39 E46 E53 6-disc CD Changer Without Magazine 8377049
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BMW X5 E70 X6 E71 Computer Control Unit DVD Player RSE MID PLUS PL4 9171900
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BMW 5 6 7 E60 E61 E63 E65 N62 N62N Alternator Supporting Bracket Mount 7533837
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BMW Z4 Series E85 Rear Bumper PDC Cables Wiring Loom Set 6925903
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BMW E46 Z4 E85 M54 Automatic Gearbox ECU Control Module EGS 7522980
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BMW E46 E89 Mini R50 R52 Parking Control Module Unit PDC 9119428
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Air Module Sensor BMW E60 E61 E63 Left B-pillar N/S 6974364
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Mini Cooper R50 R52 R53 W10 W11 1.6 Petrol Engine Starter Motor 0986018840
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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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Part no. 8512415-1
Mini Cooper D R55 R56 LCI N47N 112HP Diesel Engine ECU Kit DDE 8512415 CAS3 Key
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BMW 7 Series E65 E66 6-fold CD Disc Changer Without Magazine 6923547
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Mercedes Vito W639 Front Left Door N/S Lock Bowden Pull Cable A6397600704
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Mercedes-Benz E W210 Battery Starter Alternator Positive Plus Cable A2105401530
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Mercedes W202 C208 W208 Alarm Sensor Module Unit A2088206010
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Mercedes-Benz W210 Rear Left Right Door Interior Handle Pull Cable A2107600204
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Mercedes-Benz E W210 Seat Memory Control Unit Module Front Right A2108206626
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BMW 3 5 Series E34 E36 Hazard Warning Relay 1388533
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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 .