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 3 5 Series E60 E90 Dashboard Onboard Monitor Display Screen 8.8 CCC 6957343
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Mercedes C253 OM654 Engine Wiring Cable Cover Duct Bracket Channel A6541599500
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Acceleration Sensor Mercedes S124 R129 Front Seat Belt Locking Retractor Module
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Fuse Box Mercedes W204 S204 W212 SAM Control Unit Module Relay A2129006724
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BMW X5 E53 3.0d M57N 218HP ECU Kit DDE + EWS3 + Key 7794626 Automatic Gearbox
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BMW F20 F21 LCI Mini F55 F56 Top Hifi Audio Amplifier Harman Kardon 2622869
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BMW E60 E61 E63 E64 CAS2 ECU Control Unit Module 6943797 61356943797
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BMW E93 E93N LCI Control Unit Module Passive Go 9147052
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BMW E61 Touring Body Control Module ECU Control Unit High 9176070
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BMW E87 E90 E91 Professional CCC Navigation System Controller 9117563
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BMW X5 E53 X3 E83 M57N2 Alternator Generator Diesel Engine Power 150A 7797661
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Starter Motor Ford Transit 2.2 TDCI Diesel Engine BK3T11000FA
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BMW G20 G21 G30 G11 X3 G01 X5 G05 Fuel Pump Control Unit Module ECU 7490824
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Mini Cooper One R50 R52 R53 Radio Boost CD Player Unit Head 9115661
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BMW X5 E53 Onboard Computer Navigation System Monitor Widescreen 6934413
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Mercedes Vito W639 Air Module System Control Unit A6394460442
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Audi A8L 4H Voltage Converter Stabilizer Control Module Unit ECU 8K0959663C
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BMW E60 Light Control Unit Module LM E6X Lear 6948578
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BMW F30 328i F32 428i N20 245HP Engine Unit ECU Kit DME 8639595 Key + FEM
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Battery Wiring Mercedes ML W166 Battery Negative Terminal Cable Wire A1665420518
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Mercedes W205 W213 W238 Fuse Box Cover Control Unit Holder Bracket A2135400200
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BMW E38 Headlight Light Check Module Control Unit ECU Lear LCM II 8372875
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Ford Fiesta MK7 1.6 TDCI Diesel Engine Control Unit ECU 8V2112A650KE Manual
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Volkswagen Polo 6N Aerial Roof Antenna Base Antenna Unit 1J0035505A
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Citroen C5 Negative Battery Terminal Cable Eatrh Cable Wiring Lead 9800590280
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BMW X5 Series E53 3.0d M57N 218HP ECU Kit DDE 7800131 EWS3 + Key Automatic
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Land Rover Range Rover L322 3.0d M57 Engine Alternator Generator YLE500180
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Audi A3 8V 2.0 TDI DFGA Diesel Starter Motor 02E911022C
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Audi Q5 FY Body Control Comfort Unit Module BCM Convenience Unit ECU 4N0907064AP
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BMW Z4 E89 Roadster Cabrio Convertible Top Module CTM 09221135 9221135
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BMW 5 Series E39 Right O/S Air Box Pollen Microfilter Service Cover 8379626
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Audi A5 8T Display Screen Dashboard Multifunction Monitor Unit 8T0919604A
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Alternator Generator Mercedes Sprinter W906 Engine Diesel 180A 14V A0009068802
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Starter Motor Citroen Berlingo Peugeot Partner Engine Diesel 1.6 HDI TS14E110
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Peugeot 307 1.4 HDI Diesel DV4-TD Engine Control Unit ECU 9647158180 Manual
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BMW E82 E88 E90 LCi Switch Cluster Cruise Control Stalk Unit 9110882
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BMW X3 F25 X4 F26 Dashboard Monitor Onboard Central Display Screen 6,5" 9269020
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BMW F25 F26 Head Unit Basis Media Navigation System Controller DAB 6821164
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BMW E60 E87 E90 LCI N47 120d 320d ECU Control Unit Kit DDE 7823420 CAS3 Key
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Mini Cooper R50 R52 Automatic Gearbox Transmission Signal Control Module 7513338
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Mercedes-Benz A B W176 W246 Left Right Seat Wiring Loom Harness A2465405901
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BMW 5 Series E60 E61 Airbag ECU Control Unit Gateway Module
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Positive Battery Cable BMW F30 F31 F80 M3 F82 M4 Plus Pole Power Red 9259425
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BMW X1 E84 18dX Diesel N47N Engine Unit ECU Kit DDE 8574351 CAS3 Key Automatic
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Mercedes W238 Coupe Convertible Module Control Unit ECU A2059001336
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Crash Impact Sensor Mercedes C118 W177 W205 W247 Acceleration Unit A0009057802
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Mercedes W204 Front Seat Air Module Wiring Cable Front Right A2045408735
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BMW F30 LCI 330e Hybrid High Voltage Battery Electronics Unit 8661800
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Audi Q7 4L Quattro Diesel 3.0 TDI Charge Air Pressure Valve Actuator 059906627L
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BMW E60 E61 LCI E63 E64 Body Gateway Module ECU Control Unit 9176078
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BMW Z4 E85 2.0i N46 150HP Engine Control Unit ECU DME Manual 7565300
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BMW E70 E71 Seat Control Unit Module ECU 9196933
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Mercedes SLK R171 Roof Module Convertible Folding Top Control Unit A1719000000
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Citroen Relay Peugeot Boxer Fuse Relay Electrical Box Housing Cover 1308204070
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Mercedes-Benz B-Class W245 Central Gateway Control Unit Module ECU A1695403945
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BMW F20 F21 F30 F31 N47N 116d 316d 116HP Engine ECU Kit DDE 8518569 + Key + FEM
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BMW 5 Series E60 E61 PDC Parking Sensor Front Carbonschwarz Black 6989071
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Fuse Box Mercedes Sprinter W901 W902 W903 W904 Relay Control Unit A0005400950
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Mercedes W221 S500 Audio Amplifier Sound System Control Module A2218205289
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BMW E81 E87 LCI E90 E91 120d 320d Diesel N47 ECU Kit DDE 7810000 CAS3 + 2 Keys
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Mercedes W211 CLS C219 Body Control Module BCM Temic A2115458432
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BMW F30 F31 F32 Radio Professional CD Bluetooth Player Head Unit 9290989
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BMW 3 Series E46 Touring Amplifier Side Window Antenna Aerial 6906071
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BMW X3 Z4 E83 E85 CID Control Unit CD Player Radio Audio System 9197131
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Ford Transit MK7 2.2 TDCi Diesel Glow Plug Wiring Loom Cable BK2Q6M091AE
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Mini Cooper D R56 LCI N47N Diesel Engine ECU Kit DDE 8519663 CAS3 Keys Manual
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Mini Cooper 3 R50 R52 R53 W10 1.6 Petrol Engine Starter Motor Lucas 7570488
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Part no. 070903024B
Volkswagen Touareg Transporter 2.5 TDI Alternator Generator 14V 180A 070903024B
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Part no. 6866330
VDC Module BMW F20 F21 F30 F31 Rear Suspension Level Control Unit 6866330
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Part no. 6906598
Mini Cooper One R50 R52 R53 JCW Fuse Relay Electrical Box Housing 6906598
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Part no. A2719000600
Mercedes W203 C180 Kompressor M271.946 Engine Control Unit ECU A2719000600
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Rain Sensor Audi Q3 RSQ3 F3 Front Windscreen 81A955555B
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Audi A4 B7 Bluetooth Interface Phone Conectivity Control Module 8P0862335H
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BMW X3 E83 Radio Navigation System CID Control Unit CD Player 9118823
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Audi A4 B7 Aerial Antenna Amplifier Module 8H0035225R
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Mercedes W213 Bonnet Hood Crash Actuator Unit Left Right N/O/S A2139062201
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Camera Module Bracket Mercedes W213 S213 Rear Housing Left N/S A2135451540
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Mercedes W212 Battery Holder Mount Bracket E-Class A2126280041
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Ford Transit Engine Control Unit ECU 4VFB Module 2.2 TDCi CC11-12A650-AB
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BMW X5 E70 Alternator Generator Engine Unit Valeo 220A 14V 7801124
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Audi A1 8X Multimedia MMI Radio SD Player Stereo Sat Nav Head Unit 8X0035182K
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Mini Cooper One R56 Footwell Light Module High ECU PL3 FRM II 3448901
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Ford Fiesta MK7 Display Screen Multifunction Radio Dashboard 8A6118B955BL
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Ford Transit Fuse Box Cover Housing Lid Trim Cap 6C1T14A076C
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BMW X3 F25 Footwell Light Module Control Unit ECU FRM3 9383700
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BMW F30 F31 320i N20 184HP Engine Control Unit ECU DDE 7649131 Manual
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Mercedes-Benz E-Class W210 Battery Positive Plus Cable Loom Harness A2105401830
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Mercedes W211 Multimedia Wiring Loom Electrical Harness Cable A2115409910
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BMW E87 LCI Light Module NSW LCM Footwell Module PL2 FRM II 9166707
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Part no. 8K0915181C
Audi A6 C6 Battery Negative Terminal Cable Wiring Wire 8K0915181C
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Positive Cable Mercedes W906 OM651 Battery Starter Alternator Plus A9065403527
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Seat Leon FR 5F Dashboard Multimedia DIsplay Sat Nav Screen 5F0919606
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Part no. 03C903023G-1
Audi Seat Skoda Volkswagen 1.4 TSI Petrol Alternator Generator 110A 03C903023G
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Part no. A1698202675-1
Mercedes W169 W245 Aerial Roof Antenna Radio Control Unit Module A1698202675
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Part no. 9873545
PDC Module BMW F40 G20 G21 Parking Assistant Control Unit Module ECU 9873545
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Part no. A2045450369
Mercedes S204 Fuse Box Terminal Connection Unit A2045450369
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Part no. 9203081
BMW E63 Light Control Unit Module LCM LM II E6X LWR 9203081
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Part no. 4154934-1
Mini R50 R53 Radio Boost CD Player Head Unit Autoradio Player 4154934
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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 .