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 Series E60 1 Positive Battery Cable Plus Pole Lead 61126929324 6929324
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BMW E81 E87 LCI E90 120d 320d N47 177HP ECU KIT DDE 7811700 CAS3 Keys Automatic
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Mini Countryman R60 Light Module Footwell Module PL3 FRM3R Lear ECU 3457526
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Alternator Mercedes W212 W447 X253 C238 Petrol M274 150A Bosch A0009060922
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BMW X5 Z3 Series E36 E53 DSC Hydraulic Pump Compressor 1165905 1165904
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Peugeot Partner Battery Starter Alternator Wiring Harness Cable 9803511080
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Land Rover Range Rover L322 3.0d M57 Engine Alternator Generator YLE500180
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Alternator Mercedes W204 W207 OM651 14V 150A Engine Start/Stop A0009060401
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Fuse Box Mercedes C118 W177 W247 Engine Compartment Relay Box Module A1775404307
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Engine Starter Motor BMW X5 E70 LCI F01 N57 Diesel Starter Actuator 8515900
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Mini Cooper R55 R56 R57 LCI N47N 1.6 Diesel Engine Starter Motor 7823314
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Volkswagen VW Passat B6 Fuse Box Relay Electrical Module Unit 3C0937125
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BMW 7 Series E65 Cable Door Rear Left N/S Wiring Harness 6923711 6934038
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Glow Plug Relay Mercedes W213 C238 Diesel OM654 Preglow Module A6549001300
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BMW 3 F30 LCI 330e B48X Hybrid High Voltage EKMV Wiring Cable Wire 6824109
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CD Changer Mercedes W203 W209 W220 6 Disc Player With Magazine A2208274642
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Audi A3 8V Multimedia Display Screen Radio Sat Nav Head Unit 8V0857273H
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Renault Master 2 Opel Vauxhall Movano A 2.5 DCI Engine Starter Motor 7711134330
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BMW Mini Cooper S R55 R56 R57 N14 1.6 ECU Basic Control Unit DME 7584113 Manual
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Audi A1 8X Positive Battery Overload Protection 8X0915459
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Mercedes W221 Fuse Box Control Unit SAM Module Relay A2219013000
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Skoda Octavia 5E Sat Navi Stereo Radio Audio Head Unit Player 5E0919605B
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Mini Cooper D R60 ALL4 N47N Diesel Engine Control Unit ECU DDE 8506666 Manual
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IBS Cable BMW E60 Negative Battery Lead Wiring Harness Control Unit 6970680
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BMW 3 Series E90 E91 Front Right O/S Driver Side Door Wire Wiring Loom 6938210
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BMW X3 E83 LCI Battery Positive Lead Red Cable Plus Pole Wire 3414878
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Mercedes R171 SLK200 271.944 163HP Engine ECU Kit A2711534691 Key Lock Ignition
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Audi A4 B7 Audio Sound System Amplifier Bose 355013 5631B6
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Mercedes C219 Rear Bumper PDC Wiring Parking Sensor Loom Harness A2195404605
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BMW 1 3 E87 E90 N45 116i 316i Petrol ECU Kit DME 7557809 + CAS 2 + Keys Manual
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Mercedes-Benz A-Class W176 Mikrophone Roof Control Module A2468200035
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Ford Transit MK6 2.2 TDCi Diesel Engine Starter Motor 6C1T-11000-AE
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Part no. 8598806-2
BMW X3 F25 20dX Diesel B47 190HP Engine Module ECU Kit DDE 8598806 Key CAS4
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Chrysler Grand Voyager Alternator Mounting Bracket Carrier LRA02830
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BMW E46 E60 E83 E90 E91 Diesel M57N M57N2 Glow Plug Preheating Control Module
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Audi A4 B8 2.0 TDI Diesel CAGA Engine Control Unit ECU Kit 03L906022MK Key
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BMW E82 ECU Body Control Module Junction Box L1 PL2 JBBFE II 9187533
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BMW F20 F21 F22 F30 F31 Alpine Cd Radio Player Head Unit 9271715
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Peugeot 307 Citroen C4 C5 1.6 HDI Diesel Engine Starter Motor 9645100680
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BMW 1 Series E81 E87 LCI N43 116i 2.0 Petrol ECU Kit 7595179 DME CAS3 Key
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Part no. A2469008311
Mercedes W176 PDC Parking Distance Sensor Module Control Unit ECU A2469008311
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Renault Master III Engine Alternator Mounting Bracket Carrier 8200803443
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Audi A6 C7 2.0 TDI CGLC 177HP Engine Unit ECU Kit 03L906018LA BCM2 Key Ignition
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Wiring Loom BMW X3 G01 X4 G02 B57 Harnes Diesel Engine Automatic Gearbox 8588547
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Mercedes W204 C220CDI BlueEFFICIENCY OM651.911 Engine ECU Kit A6519007500 Key
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BMW X3 Series E83 Boardmonitor Central Information Display Screen 6,5" 3415007
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Mercedes W205 C253 W257 Door Module Rear Left N/S Control Unit ECU A1679003418
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Mercedes-Benz W202 W208 Parking Sensor Wiring Loom Cable Harness Front PDC
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Mercedes-Benz W202 W208 Battery Positive Plus Cable Loom Harness A2025402130
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Mercedes W204 Yaw Rotation Rate Acceleration Sensor Module A0055421818
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Part no. 7591534-1
Control Unit BMW F01 F10 F20 F21 F30 F87 Integrated Supply Module Unit 7591534
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Audi Q2 GA Q3 F3 Rear Boot Trunk Lid Tailgate Control Unit Module 5Q0959107AB
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Volkswagen Golf Mk5 Seat Skoda Air Control Module Unit 1K0909605R
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BMW 1 3 Series F20 F21 F30 LCI Headlight Control Unit Module FLE2 7444684
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BMW F20 F30 Mini F60 KAFAS 2 Camera Speed Control ECU Module Unit 5A0B302
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Mercedes W205 C253 W257 Door Module Front Left N/S Control Unit ECU A1679002718
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Mini Cooper R55 R56 R57 LCI Radio Boost CD USB Bluetooth Head Unit 3456515
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Mercedes E-Class W211 Front Door Wiring Loom Harness Rubber Grommet A2118210097
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BMW X5 Series E53 Amplifier Compensator Holder Catch Bracket 6927786
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Engine Wiring Renault Trafic II Loom Harness Module 240113809R
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Part no. 6933667
BMW 7 Series E65 E66 E67 Antenna Amplifier Diversity 6933667
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Part no. 7521122-2
Starter Motor BMW E60 E70 E87 E90 F10 F20 F30 N52 N53 Petrol Engine Unit NSM1504
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Part no. A2059007147
Mercedes C205 Control Body Comfort Module Unit ECU A2059007147
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Part no. 81A919605B
Audi Q2 GA NAV Multimedia Navigation Display Screen MMI 8,25" 81A919605B
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BMW 5 6 Series E60 E61 E63 ECU Key Reading Module Control Unit CAS 2 6963828
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Trunk Lid Module BMW X5 E70 X6 E71 Control Unit Rear Tailgate Lift 7304626
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Light Module Mini R57 LCI Cooper ECU Footwell FRM3R PL3 High EKS Lear 3457586
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Part no. 9110846
BMW 5 6 Series E60 E61 E63 Passenger Door Airbag Control Module 9110846
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Part no. 7595179-8
BMW E81 E87 LCI 120i E90 E91 320i N43 170HP Engine ECU DME 7595179 Automatic
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Part no. A6511505320
Mercedes Sprinter W906 Engine Wiring Loom Harness Cable CDI Diesel A6515460161
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Part no. 7561834-10
BMW X3 E83 2.0i N46 ECU Engine Control Unit KIT DME 7561834 EWS Key Manual
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BMW 3 Series E46 M54 Engine Gearbox Module Wiring Cable Loom Harness 7506793
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Part no. A0009828323-1
Mercedes W176 W246 Power Relay Control Module 5 Pin 12V A0009828323 Set X2
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Volkswagen Polo 6R Engine Wiring Loom Harness 03E971612AD
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Part no. 079911021G
Audi RS4 B8 Starter Motor Petrol Engine Electrical Unit Actuator 079911021G
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Audi A3 8V Engine Starter Motor Actuator Starter 0AM911023G
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Mercedes W205 Display Screen Multimedia Navigation Sat Head Unit A2059000441
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Mercedes W205 C220d 651.921 170HP BlueTEC Engine ECU Kit A6519000603 Key SAM
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MINI Cooper R50 W10 116HP Engine ECU Kit DME 7520019 + EWS3 + Key Automatic
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BMW F10 F11 Plug Bumper Front Trim Dummy Plug Right O/S Panel 7207150
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BMW Mini Cooper One R50 R53 R55 R56 R57 Input Cylinder Clutch Control 6758825
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Speed Sensor BMW Z3 E36 3 E46 DSC Yaw Rotational Speed Sensor 6754289
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BMW E87 LCI E90 120i 320i N43 170HP ECU Kit Engine DME 7580279 CAS3 Key Manual
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MINI Cooper One D R55 R56 Alternator Generator Diesel 150A 7794970
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BMW F90 M5 G01 G11 G30 KaFAS Camera Speed Control ECU Module Unit 9461797
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BMW F98 Engine Starter Motor 8671505
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BMW 5 6 Series E60 E61 E63 E64 Control Unit Module CAS 2 CAS2 6927931
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BMW X3 E83 LCI 2.0d N47 177HP Engine Control Unit ECU DDE 8506373 Automatic
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BMW E60 E90 325i 525i N52 218HP Engine ECU Kit DME 7561684 CAS2 + 2 Keys Automat
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CD Radio Mercedes W639 W906 Audio Stereo Head Unit A6398200186
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BMW F11 Touring Trunk Lid Rear Reversing Camera Cable Wiring 9240351 9182930
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Part no. A0025428819-1
Mercedes W176 W246 Relay Current 4 Pin 12V Hella A0025428819 Set x2
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Ford Transit Mk7 Handbrake Wiring Cable Battery Wire Cabling 6C1T-14K076-CC
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Mercedes-Benz A-Class W168 ESP BAS Control Unit Module ECU A1685451332
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Part no. 04L903017A-1
Audi A4 B8 3.0 TDI CAPA Diesel Alternator 04L903017A
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Part no. 6989245-WB
BMW 5 X3 Series E60 E61 E83 PDC Parking Ultrasonic Sensor Bluewater 6989245
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Part no. 5A402E9
Mini F55 BDC FCC BSI Fuse Box Power Distribution Control Module Unit ECU 5A402E9
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Mercedes W177 M282 Petrol Engine Starter Motor A2829061900
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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 .