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. A2469016002-1
Display Screen Mercedes W176 W246 Central Information Dashboard Dash A2469016002
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Mercedes-Benz A-Class W168 Sensor Mat Seat Occupation Recognition A1688207310
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BMW F10 F11 LCI 520d B47 190HP Engine ECU Kit DDE 8591073 CAS4 Key Automatic
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Alternator Mercedes W212 S212 Diesel OM651 Alternator 220A Valeo A0009063705
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Fuse Box Mercedes W204 Front Relay Control Unit Module SAM A2129006624
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Mini Cooper One 1 R55 R56 R58 N12 Petrol Engine Starter Motor NAPA NSM1093
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Mercedes W221 Air Suspension ABC Control Unit Module A2219009603
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BMW F20 M135i N55 326HP Engine Control Unit ECU DME 8626762 Automatic
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BMW E81 E87 Battery Cable Plus Pole Positive Wire SBK 9130879 6988975
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Body Control Module BMW X3 F25 ECU Junction Box JBBFE III 3 Lear 9304587
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Audi A5 8T Body Control Comfort Unit Module BCM Convenience Unit ECU 8K0907064CQ
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BMW F30 F31 F80 M3 Dashboard Central Information Display Screen 6,5" 9262753
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Audi A4 B8 Bluetooth Multimedia Interface Control Module Unit ECU 8T0862335B
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BMW 1 F20 F21 LCI 116d B37 Engine Gearbox Module Wiring Cable Loom 8586574
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BMW E87 ECU Junction Box Body Control Module L2 61359119494 9119494
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BMW E91 Touring Body Control Module Unit Junction Box KL PL2RR JBBFE 9229885
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Mercedes W901 OM602 Ignition Lead Electrical Cable Harness A9015407309
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Audi A6 C6 Electric Parking Hand Brake Module Control Unit ECU 4F0907801B
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Mercedes Sprinter W906 OM651 Battery Wiring Harness Loom Cable A9065403815
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Mercedes E-Class W211 Passenger Side Acquistition Actuation Signal Control Unit
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Alternator BMW G20 G30 G14 B47 B48 B58 B46 Alternator 180A 14V 8634166
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Mercedes W212 Front Fuse Box SAM Relay Control Unit Module A2129008507
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Mercedes W176 W246 180 CDI 607.951 109HP Engine Unit ECU Automatic A6079002300
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Ford Transit Connect Negative Battery Terminal Cable Wiring 9T1T-14A280-MBC
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Mercedes A209 Fuse Box SAM Control Module Relay Box A2095451701
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BMW F20 F30 116i 316i N13 136HP Engine ECU Module DME 7636292 Manual
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BMW X3 F25 Starter Motor Diesel Engine 12V Bosch 8506657
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Mini Cooper One R50 W10 Battery Cable Wiring Plus Pole 7515197
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BMW E60 LCI E90 325d 525d M57N2 ECU Kit Basic Control Unit DDE 8506951 CAS3 Key
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AUDI A8 4E S8 D3 CD Changer Control Module 6 CD unit 4E0057110C
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BMW 6 Series E63 E64 LCI Rear Bumper PDC Loom Cables Wiring Set 9126978
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BMW E90 M-Audio System CD Player Controller Navigation Sat Head Unit 9200447
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Audi Q7 4L 3.0 TDI CASA Automatic Gearbox Control Module Unit ECU 09D927750KC
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Part no. A1669056001-1
Battery Cable Mercedes W176 W246 Negative Lead Wiring Harness A1669056001
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BMW 7 Series E65 E66 E67 Diagnosis Interface Media System MOST Jumper 6917541
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Mercedes W906 313 CDI OM651.955 129HP Diesel Engine ECU A6519000700 Manual
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Mercedes Sprinter W906 Diesel OM651 Engine Wiring Loom Harness A6511509000
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Mercedes Sprinter W906 Becker Map Pilot Navigation Module Sat Nav Navi Europe
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Mercedes C219 Front Fuse Box SAM Relay Control Module A2115457301
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Mercedes W204 W212 Front Windscreen Rain Light Sensor Control Unit A2048708826
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BMW E82 E88 E90 Switch Cluster Cruise Control Stalk Unit 6965279
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VW Volkswagen LT 35 Immobilizer Control Unit Module Temic 2D0953257
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Mercedes W639 W906 ECU Control Unit Sensor Module Air Module A9064460542
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Mercedes X218 CLS 350CDI OM642.853 Engine Control Unit ECU Kit A6421508900 Key
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Body Control Module BMW F11 ECU Junction Box 3 PL6 JBBFE III V7 9244394
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Audi Q5 8R 2.0 TFSI CNCD 224HP Engine Unit ECU Kit 8R2907115 Key Ignition Manual
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Mercedes-Benz A C W169 W204 Battery Negative Earth Cable Wiring A2045421418
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Audi Q5 8R Door Module Front Left N/S Control Unit ECU Controller 8W1959592
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Battery Clamp BMW F30 F31 F32 F80 Safety Positive Plus Pole Red 9208241
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BMW 3 5 Series E60 E90 Dashboard Onboard Monitor Display Screen 8.8 CCC 6957343
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Audi A3 8V Multimedia Radio Sat Nav CD Player Head Unit 8V0035874C
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BMW F10 F20 F30 Petrol N20 Wiring Harness Motor Sensor System 2 Module
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Mini Cooper One R50 R52 R53 Radio Boost CD Player Unit Head Control 6927904
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Part no. 9232896-2
Dashboard Monitor BMW X5 E70 X6 E71 Onboard Display Screen 8,8" Unit 9232896
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Audi TT FV 2.0 TFSI CHHC HV Battery Power Central Distribution Point 8S0915459A
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BMW E93 E64 Convertible Rollover Control Controller Module 9179400
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Mercedes W168 Alternator Generator A0121544502
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Tuner Box Mercedes W213 W205 W222 Digital Audio Control Unit DAB ECE A2229008911
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Audi A4 B7 Petrol Engine Alternator Generator Electric Unit 14V 140A 06B903016AB
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BMW 5 Series E60 520i Engine M54 170HP ECU Kit DME 7548769 CAS2 + Key Automatic
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Mercedes W204 W213 ML W166 OM642 Diesel Engine Starter Starting Unit A6429061000
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BMW E90 E91 F10 Mini R50 R52 Change Over Contact Relay Grey 5 Pins Set 1393415
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Audi A3 8V Headlight Range Cornering Adjustment Control Module 8V0907357A
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BMW Mini Cooper Cabrio R57 Aerial Roof Antenna Base Unit 3453890
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Mini One D R56 LCI R60 90HP N47N Engine ECU Kit DDE 8517727 CAS3 Key Manual
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Part no. 8K0959663F
Audi A6 C7 Voltage Converter Stabilizer Control Module Unit ECU 8K0959663F
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Part no. 8803369
BMW X1 F48 Dashboard Monitor Display Central NAV Information Screen 6,5" 8803369
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Part no. 7327886
Tailgate Module BMW F01 F10 Rear Boot Trunk Lid Control Unit ECU 7327886
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BMW E81 E87 LCI E90 118d 318d N47 Diesel ECU KIT DDE 7811701 CAS3 + Key Manual
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BMW F01 F07 F10 F11 F12 F25 CAS4 Module Control Unit Key Reading 6809374
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BMW E60 525i E90 E91 325i N52 Engine ECU Kit DME 7559178 CAS2 + Key Automatic
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Peugeot Partner Hazard Warning Light Switch Button 96583113KR
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BMW E81 E87 E90 E91 E92 6-disc CD Changer With Magazine 9181326
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Mercedes W639 OM651.940 113 CDI 136HP Engine Module ECU A6511501879 Automatic
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BMW 3 5 7 X3 Series E46 E60 E65 E83 M54 Alternator Generator 7541694 155A BOSCH
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Part no. 7533651-3
BMW 5 Series E60 520i M54 170HP ECU Kit DME 7533651 + CAS2 + Key Automatic
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Audi RS3 8V 2.5 TFSI Alternator 14V 180A 07K903023J
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Mini Cooper S ALL4 R60 N18 Engine Unit ECU Kit DME 7639049 CAS 3 Key Manual
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Mercedes W204 Head Unit Radio CD Player Audio Sat Nav Control A2049001813
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Starter Renault Trafic II Opel Vivaro A 2.0 dCi Starter Motor Remy 233002654R
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Mercedes Vito W639 Door Front Left N/S Control Unit Module ECU A6398201026
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VW Volkswagen Touareg 7L Air Module Control Unit ECU SRS 3D0909601F
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Mini Cooper One R55 R56 LCI Aerial Base Roof Antenna Rod Unit 3456089
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BMW X3 3 Series E83 E46 Battery Cable Plus Pole 6910539
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Mini Cooper R57 LCI Footwell Light Module High EKS ECU PL3 FRM3R Lear 3456987
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Audi Q3 8U A1 8X BCM Body Control Unit Module ECU 8X0907063N
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Mercedes W213 OM654.920 Automatic Transmission Control Unit Module A2139002501
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Mercedes GLC X253 Camera Lane Assist Control ECU Module Unit A2479008615
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BMW E90 Body Control Module BCM ECU Junction Box Footwell 6135 9176880
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Mercedes ML W164 Parking Module PDC Distance Control Unit Sensor A1645453716
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Mercedes SL400 R231 276.825 333HP Engine Control Unit ECU A2769007300 Automatic
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BMW X5 E70 Front Bumper PDC Parking Sensor Wiring Loom Cable Harness 8039827
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Vauxhall Movano A G9T722 Engine Control Unit ECU Module Diesel Manual 8200091428
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Skoda Octavia 3 5E Front Bumper Wiring Harness Loom 5E0971095CN
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Mini Cooper One R52 Body Control Unit Basic Module BC1RD 6976989
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Mini Cooper One R56 High PL3 SPEG DC/DC M3 Fuse Distribution Box 3453294
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BMW E60 M-Audio System Controller Navigation Head Unit 6948351
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Peugeot Partner B9 Alternator Generator VALEO 9810525380
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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 .