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. 9286940
BMW 7 Series F01 LCI ECU Body Control Module Junction Box JBBFEIII V5 9286940
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BMW E92 ECU Body Control Module Junction Box L1 PL2 JBBFE 9150718
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BMW E87 E90 N45 116i 316i Petrol ECU Kit DME 7557809 + CAS 3 + Key Manual
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BMW Z4 E85 E86 Positive Battery Cable Plus Pole Lead 6953424
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BMW 5 Series E39 Left N/S Air Box Pollen Microfilter Service Cover 8379627
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Mercedes-Benz E W210 Seat Memory Control Unit Module Front Right A2108206626
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BMW 3 Series E91 ECU Body Control Module Unit H2 61359226331 9226331
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Volkswagen Crafter 2E 2.0 TDI Diesel Engine Alternator 03L903023P
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SAM Module Mercedes SLK R172 Rear Fuse Relay Signal Actuation Module
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Control Unit Mercedes W169 W245 SAM Module Relay Fuse Box A1695456332
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Ford Transit TT9 Control Unit Relay Central Door Lock Module ECU F3LB-14B118-AA
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Mercedes W212 E200 BlueEFFICIENCY M271.860 184HP Engine ECU A2711500391
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BMW E87 LCI Max Brose Footwell Light Module Control Unit ECU FRM3R PL2 6827064
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Mercedes C117 W176 W246 Battery Positive Plus Pole Terminal Lead A2469067901
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Audi A3 8Y Adaptive Cruise Control Radar Sensor Control Unit Module 5WA907572B
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Head Unit BMW E90 E91 Radio CD Player Navigation Sat Nav DAB Unit 9273187
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BMW F10 Light Module Control Unit ECU Lear ZGW-02 Mid Plus 9243212
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BMW 3 5 7 Series E34 E36 E38 E39 Relay Control Module Unit White 1729004
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BMW X5 E70 Body Control Module Unit Junction Box PL4 JBBFEIII R ECU 9292707
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Mercedes W205 W213 Ignition Central Lock Control Unit Module ECU A2139005528
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BMW E60 E90 Alternator Generator 150A 335d 525d 530d 535d M57N2 7800308
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Mercedes W167 W177 Radio Stereo Player Sat Nav Head Unit ECE A1679000511
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Radio CD BMW E87 E90 E91 LCI Professional Bluetooth Player Control Unit 9258173
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Wiring Harness Mercedes W176 A45 AMG Petrol M133 Low Temperature Pump Adapter
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BMW 1 Series E87 LCI ECU Footwell Light Module BASIS PL2 FRM3R Lear 9230451
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Audi A3 8P 2.0 TDI 140HP Diesel Engine Control Unit ECU Module DSG 03G906016DT
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Mercedes W164 Gateway Control Unit Gateway Module ECU A1645402601
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Telematics Module Mercedes W213 H243 Communication Blutooth Control A2479004415
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Renault Trafic Scenic Diesel Starter Motor Mitsubishi 233003248R
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BMW X5 Series E53 Amplifier Trap Circuit 65258377656 8377656
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Mercedes W176 W246 Emergency Call Switch Roof Wiring Cable Loom A2465402710
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Mini Cooper One R55 R56 N12 DME 7573701 Petrol Engine Control Unit ECU Manual
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BMW 3 Series E90 LCI Footwell Light Control Module LCM LED Basis 9230448
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BMW 7 Series E65 Cable Harness Door Rear Right O/S Wiring Loom 6918780
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BMW F20 F21 F30 LCI M140i 340i B58 Wiring Harness Motor Sensorsystem Module
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BMW F80 M3 F82 M4 S55 431 HP Engine Control Unit ECU DME 8645445 Dual Clutch
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Window Lifter Drive BMW E87 E90 E91 Motor Rear Left 6927025
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BMW 1 3 Series E81 E87 E90 E91 E92 E93 Parking Control Module Unit PDC
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BMW F30 F31 F32 Tailgate Smart Opener Control Unit Module 7306797
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BMW F10 Champ 2 Radio CD Player Head Unit ECU 9233010
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Starter Motor Citroen Berlingo Peugeot Partner Engine Diesel 1.6 HDI 9640825280
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Mini Cooper One R55 R56 LCI Aerial Base Roof Antenna Rod Unit 3456089
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BMW 1 Series E87 LCI ECU Body Control Module Unit H2 PL2RR JBBFE IIIR 9227184
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BMW E81 E87 E88 E89 E90 E91 E92 E93 Radio Business CD 6962296
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BMW E90 E91 E92 Professional CCC Navigation System Controller 9170721
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Mercedes W639 Rear Bumper PDC Wiring Parking Sensor Loom Harness A6394408637
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Audi A3 8P Control Unit Gateway Module ECU 8P0907530C
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BMW 3 X3 Z4 Series 2 E46 E83 E85 Engine Electronics Unit Box 7534922
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Fuse Box Mercedes W204 Rear SAM Relay Control Unit Module A2049009501
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BMW 5 Series E61 Touring Positive Battery Cable Lead Plus Pole 6989782 9127768
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Mini Cooper D R55 R56 LCI R60 N47N 112HP Engine ECU Kit DDE 8519663 CAS 3 Key
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BMW 7 Series E65 E66 Positive Battery Cable Plus Pole Petrol 6904903
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MINI Countryman R60 Holder Amplifier Bracket Holder Mount Hi-Fi Unit 9803651
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Audi S8 A8 D3 4E Air Shock Absorber Sensor Damper Front Left N/S 4E0616575K
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Audi A4 B9 Front Windscreen Windshield Lane Assist Camera 8W0907217B
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Fuel Pump Audi A8 D4 Q7 4L Diesel Control Unit Module 4H0906093D
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Signal Control Module Mini R50 R52 Automatic Gearbox Transmission EGS 7578242
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Audi A4 B7 2.0 TFSI Starter Motor Engine Motor Actuator Petrol 03L911021E
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AdBlue Module BMW G20 G21 G30 G31 X3 G01 Control Unit ECU SCR 9423397
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Gearbox Module Mercedes W177 W205 W213 Control Unit ECU Automatic A2139003217
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Audi A4 B7 Air Module Control Unit ECU Impact Sensor 8H0959655G
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Audi A6 C6 Electric Parking Hand Brake Module Control Unit ECU 4F0907801B
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Fuse Box Mercedes W204 W212 SAM Relay Control Unit Module A2129006012
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Ford Transit MK6 2.4 TDDI Diesel Engine Control Unit ECU 2C1A12A650EA Manual
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Audi A4 B7 Convertible Rear Speaker Amplifier Blaupunkt Right O/S 8H0035223E
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PDC Display Mercedes W204 W207 W212 Parking Sensor Control Screen A2045420523
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Part no. A0009064022
Mercedes W447 OM622 Diesel Engine Alternator Generator A0009064022
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Part no. 8603352
BMW F20 F30 116i 316i N13 136HP Engine Control Unit ECU DME 8603352 Manual
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Part no. 6836883
PDC Module BMW X3 F25 X5 F15 Mini F55 F56 Parking Distance Control Unit 6836883
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Part no. 7578020-7
BMW E60 E90 LCI 325i 525i N53 218HP Engine Control Unit ECU DME 7578020 Manual
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BMW X3 X5 Z4 E39 E46 E53 E83 E85 GPS Navigation Computer DVD 6920182
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Mercedes SLK R172 Amplifier Audio Sound Control Unit Module Harman A1729008612
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Part no. 9198760
BMW Mini Clubman R55 Cable Wiring Loom Splitdoor Door Rear Right O/S 9198760
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Mercedes GLC X156 Estate Trunk Lid Tail Gate Relay Amplifier Module A2229000618
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Mercedes Vito Viano W639 Side Sliding Door Control Unit Module ECU A6399000300
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BMW E81 E87 E90 E91 E92 6-Disc CD Changer With Magazine 9196669
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Part no. 9240643
BMW E70 E90 E91 E92 DVB-T TV Tuner Module Control Unit Video FUBA 9240643
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Mercedes Vito W447 114 CDI 136HP 651.950 Engine Unit ECU A6519002803 Automatic
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Part no. 8574019
BMW F30 F32 LCI 335dX 435dX N57Z Engine Wiring Cable Loom Harness 8574019
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Audi A1 8X Starter Motor Petrol Engine Electrical Unit Actuator 02M911024J
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Parktronic Module Mercedes W221 W216 Parking Sensor Control Unit A2219009202
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Mercedes W176 Front Pressure Impact Crash Sensor Unit Module
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Part no. 2248296
BMW 3 X5 Series E46 E53 3.0d Diesel M57 Alternator Generator 150A 2248296
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Audi A4 B9 2.0 TFSI CVKB Petrol Engine Starter Motor 06L911021
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Mercedes EQA H243 Relay High Voltage Performance DC 250 A Contactor A7899823000
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BMW 5 Series E60 E61 Cable Set Door Wiring Loom Harness Driver's Side 9120773
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Airbag Module BMW F20 F21 F30 F31 F32 ECU ICM Plus Control Unit Air Bag 6886187
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Wiring BMW X5 F15 M Sport Rear Park Assist PDC Wiring Harness Loom 9361150
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BMW E60 E61 Positive Battery Cable Plus Pole Lead 6955061
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Audi A5 8T Body Control Comfort Unit Convenience Module BCM1 ECU 4H0907063DB
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Part no. 7550997-1
Mini Cooper One R50 R52 W10 Petrol Alternator Generator 110A 7550997 7515426
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Part no. A2059002629
Surround View Camera Mercedes W205 W447 Camera Control Unit Module A2059002629
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BMW Mini Cooper R55 LCI PL3 SPEG H5 Fuse Distribution Box 3456855
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Part no. 6846905
BMW 1 2 Series F20 F21 F23 LCI Top Hifi Audio Amplifier Harman Kardon 9307293
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Part no. A2464300210
Mercedes-Benz A-Class W176 Brake ABS Pump Holder Bracket Mount A2464300210
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Part no. 7543083-3
Alternator BMW E60 E61 E87 E90 E91 N52 Generator 155A Bosch LRA02970
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Part no. 7557809
BMW E87 E90 N45 116i 316i 1.6 Petrol Engine ECU DME 7557809 Manual Transmission
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Part no. 93867998
Vauxhall Vivaro B Radio Stereo Head Unit Mount Bracket Holder Support 93867998
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Part no. 8H0959255A
Audi A4 B7 Cabrio Folding Top Roof ECU Module Control Unit 8H0959255A
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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 .