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. 1K0951605C
VW Volkswagen Golf Audi Seat Alarm System Siren Anti-Theft Signal 1K0951605C
£18.95
Free delivery - Tue, Jan 13
If paid before 14:00
Part no. 7N0907530AF
VW Tiguan 5N Central Gateway Control Unit Module Relay ECU 1K0907530S
£28.95
Free delivery - Tue, Jan 13
If paid before 14:00
Part no. 5Q0951605B
Audi Seat Skoda Volkswagen Golf Mk8 Anti Theft Alarm Siren 5Q0951605B
£13.95
Free delivery - Tue, Jan 13
If paid before 14:00
Part no. 02M911023M
Volkswagen VW Golf Mk5 1.6 2.0 GTI Petrol Engine Starter Motor 02M911023M
£13.95
Free delivery - Tue, Jan 13
If paid before 14:00
Part no. 3D0951253A
VW Volkswagen Audi Seat Skoda Relay Black 5 Pins 12V 50A Set 433 3D0951253A
£13.95
Free delivery - Tue, Jan 13
If paid before 14:00
Part no. 1K0959433BT
VW Golf 5 Body Control Comfort Unit Module BCM Convenience Unit ECU 1K0959433BT
£18.95
Free delivery - Tue, Jan 13
If paid before 14:00
Part no. 038907281D-1
Genuine VW Audi Seat Skoda Diesel Glow Plug Relay Unit Black 038907281D
£13.95
Free delivery - Tue, Jan 13
If paid before 14:00
Part no. 4H0951253C
Seat Skoda Audi VW Polo 6R Multi Use Control Module Relay 4 Pin 646 4H0951253C
£13.95
Free delivery - Tue, Jan 13
If paid before 14:00
Part no. 1K0909605T
VW Volkswagen Golf Mk5 V 1K Air Module Control Unit ECU 1K0909605T
£13.95
Free delivery - Tue, Jan 13
If paid before 14:00
Part no. 6C0959653
VW Polo 6R Seat Ibiza 6J Clock Spring Steering Column Squib Ring 6C0959653
£23.95
Free delivery - Tue, Jan 13
If paid before 14:00
Part no. 1K3959857B
Volkswagen Polo 6R Golf Mk6 3-Door Window Lifter Switch Driver's Side 1K3959857A
£13.95
Free delivery - Tue, Jan 13
If paid before 14:00
Part no. 1K0971228L
VW Golf MK5 6 Audi A3 8P Positive Battery Terminal Cable 1K0971228L
£13.95
Free delivery - Tue, Jan 13
If paid before 14:00
Part no. 6R0959655K
VW Volkswagen Polo 6R Air Module Bag Control Unit 6R0959655K
£23.95
Free delivery - Tue, Jan 13
If paid before 14:00
Part no. 02M911024Q
Volkswagen Golf VI Passat B6 Tiguan Starter Motor Diesel Engine 02M911024Q
£13.95
Free delivery - Tue, Jan 13
If paid before 14:00
Part no. 5G0919605
VW Volkswagen Golf Mk7 Radio Control Head Unit CD Player 5G0919605
£47.95
Free delivery - Tue, Jan 13
If paid before 14:00
Part no. 03C906027DA-1
VW Volkswagen Touran 1T 1.4 TSI CAVC Engine ECU Kit Ignition 03C906027DA + Keys
£189.95
Free delivery - Wed, Jan 14
If paid before 14:00
Part no. 4H0955557
Volkswagen VW Polo 6R 5 Audi A6 C7 Air Module Crash Impact Sensor 4H0955557
£13.95
Free delivery - Tue, Jan 13
If paid before 14:00
Part no. 5Q0937084CL
Volkswagen Golf Mk7 BCM Convenience Body Control Module Unit ECU 5Q0937084CL
£23.95
Free delivery - Tue, Jan 13
If paid before 14:00
Part no. 4H0951253A
Seat Skoda Audi VW Polo 6R Multi Use Control Module Relay 4 Pin 645 4H0951253A
£13.95
Free delivery - Tue, Jan 13
If paid before 14:00
Part no. 5WA959354
VW Volkswagen Golf Mk8 Air Module Control Unit Crash Impact Sensor 5WA959354
£18.95
Free delivery - Tue, Jan 13
If paid before 14:00
Part no. 443937105A
VW Volkswagen Audi Skoda Seat Little Fuse Amp 30A 12V 443937105A
£13.95
Free delivery - Tue, Jan 13
If paid before 14:00
Part no. 03C906027F-1
VW Volkswagen Golf Mk6 1.4 TSI CAVD 160HP Engine Unit ECU Kit 03C906027F Manual
£123.95
Free delivery - Tue, Jan 13
If paid before 14:00
Part no. 1K0951253A
VW Audi Seat Skoda Glow Plug Relay Unit Engine Supply Black 4 Pins 1K0951253A
£13.95
Free delivery - Tue, Jan 13
If paid before 14:00
Part no. 3Q0035874A
Volkswagen VW Golf Mk7 Infotainment Radio Multimedia Head Unit 3Q0035874A
£284.95
Free delivery - Tue, Jan 13
If paid before 14:00
Part no. 5WA962133E
Volkswagen Golf 5G Keyless Entry Module Aerial Antenna 5WA962133E
£28.95
Free delivery - Tue, Jan 13
If paid before 14:00
Part no. 5M0907357C
Volkswagen VW Tiguan 5N Headlight Range Control Unit Module ECU 5M0907357C
£13.95
Free delivery - Tue, Jan 13
If paid before 14:00
Part no. 5Q0959593L
VW Golf CD1 Front Door Right O/S Driver Side Module Control Unit ECU 5Q0959593L
£23.95
Free delivery - Tue, Jan 13
If paid before 14:00
Part no. 03E906019M-1
Volkswagen Polo 6R 1.2 Petrol CGPB 60HP Engine ECU Kit 03E906019M BCM + Key
£113.95
Free delivery - Tue, Jan 13
If paid before 14:00
Part no. 1K0955557A
VW Volkswagen Audi Seat Skoda Airbag Crash Impact Sensor SRC 1K0955557A
£13.95
Free delivery - Tue, Jan 13
If paid before 14:00
Part no. 1K0937086
Volkswagen Golf 5 Body Control Comfort Unit Module BCM 1K0937086
£23.95
Free delivery - Tue, Jan 13
If paid before 14:00
Part no. 7L0959933F
Volkswagen Touareg 7L Body Comfort Module Control Unit ECU 7L0959933F
£23.95
Free delivery - Tue, Jan 13
If paid before 14:00
Part no. RHD-1K8971120S
Volkswagen VW Scirocco Mk3 Driver's Door Wiring Harness Loom Cable 1K8971120S
£28.95
Free delivery - Tue, Jan 13
If paid before 14:00
Part no. RHD-1K8971121S
Volkswagen VW Scirocco Mk3 Passenger Door Wiring Harness Loom Cable 1K8971121S
£28.95
Free delivery - Tue, Jan 13
If paid before 14:00
Part no. 03G906018FC-2
Volkswagen Golf V 5 1K 2.0 TDI BMN 170HP Engine Control ECU 03G906018FC Manual
£61.95
Free delivery - Tue, Jan 13
If paid before 14:00
Part no. 141951253B-2
VW Volkswagen Audi Seat Skoda Relay Unit 4 Pins 12V 40A 141951253B
£13.95
Free delivery - Tue, Jan 13
If paid before 14:00
Part no. 6R0919433
VW Volkswagen Audi Seat Skoda Glow Plug Relay Unit Black 505 7 Pins 6R0919433
£13.95
Free delivery - Tue, Jan 13
If paid before 14:00
Part no. 7E0959655B
Volkswagen Transporter T5 Control Unit Air Bag Module Airbag ECU 7E0959655B
£23.95
Free delivery - Tue, Jan 13
If paid before 14:00
Part no. 3A0972695
VW Volkwagen Audi Seat Skoda Cable Loom Wiring Connector Plug Socket 3A0972695
£13.95
Free delivery - Tue, Jan 13
If paid before 14:00
Part no. 7M0951253C
Volkswagen T5 Audi Seat Skoda Relay Black Control Unit 5 Pin 12V 7M0951253C
£13.95
Free delivery - Tue, Jan 13
If paid before 14:00
Part no. 1K0919283A
Volkswagen Touran 1T Parking Control Unit Module Sensor 1K0919283A
£13.95
Free delivery - Tue, Jan 13
If paid before 14:00
Part no. 1T0909606
VW Volkswagen Touran 1T Air Module Control Unit Crash Impact Sensor 1T0909606
£13.95
Free delivery - Tue, Jan 13
If paid before 14:00
Part no. RHD-7H2857151C
Volkswagen Transporter T5 Interior Fusebox Panel Cover 7H2857151C
£37.95
Free delivery - Tue, Jan 13
If paid before 14:00
Part no. 4H0951253A-2
Seat Skoda Audi VW Polo 6R Multi Use Control Relay 4 Pin 645 4H0951253A SET X3
£18.95
Free delivery - Tue, Jan 13
If paid before 14:00
Part no. 5M0035186AA
Radio CD Player VW Volkswagen Golf Polo Passat B6 Head Unit RCD310 5M0035186AA
£23.95
Free delivery - Tue, Jan 13
If paid before 14:00
Part no. 09D927750FA
Volkswagen Touareg 7L Automatic Gearbox Module Control Unit ECU 09D927750FA
£28.95
Free delivery - Tue, Jan 13
If paid before 14:00
Part no. 1J0919506K
VW Volkswagen New Beetle Fan Control Module Relay 1J0919506K
£13.95
Free delivery - Tue, Jan 13
If paid before 14:00
Part no. 02M911024S
VW Golf MK7 5G Audi A3 8V Engine Starter Motor Valeo 2.0 TDI Diesel 02M911024S
£18.95
Free delivery - Tue, Jan 13
If paid before 14:00
Part no. 1K8971104D
Volkswagen Scirocco Rear Number Plate Wiring Harness Cable Loom 1K8971104D
£13.95
Free delivery - Tue, Jan 13
If paid before 14:00
Part no. 5K0937084F
Volkswagen Scirocco Mk3 Fuse Box Module Comfort BCM Control Unit ECU 5K0937084F
£28.95
Free delivery - Tue, Jan 13
If paid before 14:00
Part no. 3D0909139
Volkswagen Touareg 7L Keyless Entry Module Control Unit ECU 3D0909139
£28.95
Free delivery - Tue, Jan 13
If paid before 14:00
Part no. 1K8955557
Volkswagen Scirocco Mk3 Door Crash Impact Pressure Sensor Unit 1K8955557
£13.95
Free delivery - Tue, Jan 13
If paid before 14:00
Part no. 5Q0955559C
Volkswagen Golf 8 Rain Sensor Front Windscreen 5Q0955559C
£18.95
Free delivery - Tue, Jan 13
If paid before 14:00
Part no. 5C0959655P
Volkswagen New Beetle 70S Air Module Control Unit ECU 5C0959655P
£37.95
Free delivery - Tue, Jan 13
If paid before 14:00
Part no. A9068200079
Volkswagen Crafter Stereo Radio CD Player Head Unit A9068200079
£28.95
Free delivery - Tue, Jan 13
If paid before 14:00
Part no. 6R0971235C
VW Volkswagen Polo 6R Negative Battery Terminal Cable Wiring 6C0971235A
£13.95
Free delivery - Tue, Jan 13
If paid before 14:00
Part no. 3AA919475N
Volkswagen Passat B7 PDC Parking Assistant Module Control Unit 3AA919475N
£37.95
Free delivery - Tue, Jan 13
If paid before 14:00
Part no. 5G0971175B
VW Volkswagen Golf R 7 Rear Tailgate Boot Lid Wiring Adapter Loom 5G0971175B
£13.95
Free delivery - Tue, Jan 13
If paid before 14:00
Part no. 7L0907719A
Volkswagen Touareg Anti Theft Alarm System Control Module Unit ECU 7L0907719A
£13.95
Free delivery - Tue, Jan 13
If paid before 14:00
Part no. 141951253B-1
VW Volkswagen Audi Seat Skoda Relay Unit 4 Pins 12V 40A 141951253B
£13.95
Free delivery - Tue, Jan 13
If paid before 14:00
Part no. 03E906023AL
Volkswagen Polo 6R 1.2 MPI CGPB 60HP Engine Control ECU 03E906023AL Manual
£18.95
Free delivery - Tue, Jan 13
If paid before 14:00
Part no. 5G6867657
Volkswagen Golf 5G Mk7 Rear Lamp Light Bulb Cover Left N/S 5G6867657
£13.95
Free delivery - Tue, Jan 13
If paid before 14:00
Part no. 0AD927755BE
VW Volkswagen Touareg 7L Transfer Box Control Unit Module ECU 0AD927755BE
£18.95
Free delivery - Tue, Jan 13
If paid before 14:00
Part no. 5Q0919294E
Volkswagen Golf Mk7 PDC Parking Distance Control Module Unit ECU 5Q0919294E
£18.95
Free delivery - Tue, Jan 13
If paid before 14:00
Part no. 03L906012C-1
Volkswagen Crafter 2E 2.0 TDI CKTC 136HP Engine Unit ECU Kit 03L906012C Manual
£379.95
Free delivery - Tue, Jan 13
If paid before 14:00
Part no. 5N0810773D
Volkswagen Tiguan 5N Fuel Filler Flap Actuator Release Servomotor 5N0810773D
£28.95
Free delivery - Tue, Jan 13
If paid before 14:00
Part no. 1K0909605AE
VW Volkswagen Scirocco Mk3 Air Module Control Unit ECU 1K0909605AE
£13.95
Free delivery - Tue, Jan 13
If paid before 14:00
Part no. 7P5941591AJ
Volkswagen Golf Mk7 5G Headlight Ballast Module Left Right N/O/S 7P5941591AJ
£37.95
Free delivery - Tue, Jan 13
If paid before 14:00
Part no. 1K0971228M
Battery Cable Volkswagen VW Golf Mk5 Positive Plus Pole Lead 1K0971228M
£13.95
Free delivery - Tue, Jan 13
If paid before 14:00
Part no. 3D0941329
Volkswagen VW Golf Mk7 Headlight Cornering Module Control Unit 3D0941329
£28.95
Free delivery - Tue, Jan 13
If paid before 14:00
Part no. 5NA035284C
VW Volkswagen Golf SV Online Services Module Control Unit ECU 5NA035284C
£37.95
Free delivery - Tue, Jan 13
If paid before 14:00
Part no. 6C0907359A
Volkswagen Polo 6C Air Suspension Module Regulation Control Unit 6C0907359A
£18.95
Free delivery - Tue, Jan 13
If paid before 14:00
Part no. 6R0959655C
VW Volkswagen Polo 6R Air Module Control Unit 6R0959655C
£13.95
Free delivery - Tue, Jan 13
If paid before 14:00
Part no. 8Y0963554B
Volkswagen Golf 8 Rear Seat Couch Occupancy Sensor Unit 8Y0963554B
£18.95
Free delivery - Tue, Jan 13
If paid before 14:00
Part no. 1Y0951177
VW Volkswagen New Beetle Alarm Motion Detector Sensor Module Unit 1Y0951177
£13.95
Free delivery - Tue, Jan 13
If paid before 14:00
Part no. 06J903023H
Volkswagen Golf Mk7 5G Alternator Generator 2.0 TFSI CHHA 06J903023H
£23.95
Free delivery - Tue, Jan 13
If paid before 14:00
Part no. MB3G-12B565-FB
VW Amarok Mk2 Automatic Gearbox Transmission Control Module Unit MP3P-14F106-AA
£94.95
Free delivery - Wed, Jan 14
If paid before 14:00
Part no. 7M0951253C-1
VW Volkswagen T5 Audi Seat Skoda Relay Black Control Unit 5 Pin 12V 7M0951253C
£13.95
Free delivery - Tue, Jan 13
If paid before 14:00
Part no. 5Q0907530L
Volkswagen Golf Mk7 Gateway Control Unit Module 5Q0907530L
£23.95
Free delivery - Tue, Jan 13
If paid before 14:00
Part no. 06J903023D
Audi Volkswagen Seat Skoda Petrol Alternator Generator 14V 140A 06J903023D
£47.95
Free delivery - Tue, Jan 13
If paid before 14:00
Part no. 3C0035711A
VW Volkswagen Passat B7 Hands Free Microfon Cable Wiring 3C0035711A
£13.95
Free delivery - Tue, Jan 13
If paid before 14:00
Part no. 7P6907357B
Volkswagen Golf Mk7 Headlight Head Lamp Range Control Unit Module ECU 7P6907357D
£66.95
Free delivery - Tue, Jan 13
If paid before 14:00
Part no. 7P6919603
VW Volkswagen Touareg 7P Dashboard Multimedia Display Screen Panel 7P6919603
£132.95
Free delivery - Wed, Jan 14
If paid before 14:00
Part no. 3D0909601E
VW Volkswagen Touareg 7L Air Module Control Unit ECU SRS 3D0909601E
£13.95
Free delivery - Tue, Jan 13
If paid before 14:00
Part no. 7N0959793H
VW Volkswagen Sharan 7N Driver's Side Door ECU Module Control Unit 7N0959793H
£18.95
Free delivery - Tue, Jan 13
If paid before 14:00
Part no. 03E906023AL-1
Volkswagen Polo 6R 1.2 MPI CGPA 70HP Engine ECU Kit 03E906023AL SME RBG + Key
£75.95
Free delivery - Tue, Jan 13
If paid before 14:00
Part no. 7L0937503A
Volkswagen Touareg 7L Fuse Box Relay Control Unit Module 7L0937503A
£32.95
Free delivery - Tue, Jan 13
If paid before 14:00
Part no. RU5T-14H474-FAL
Volkswagen VW Amarok Mk2 Gateway Module Control Unit RU5T-14H474-FAL
£237.95
Free delivery - Wed, Jan 14
If paid before 14:00
Part no. 7N0959792J
VW Volkswagen Sharan 7N Passenger's Side Door ECU Module Control Unit 7N0959792F
£18.95
Free delivery - Tue, Jan 13
If paid before 14:00
Part no. P1WA-7P238-GA
VW Amarok Mk2 Transfer Case Box Control Unit Module ECU ECU P1WA-7P238-GA
£189.95
Free delivery - Wed, Jan 14
If paid before 14:00
Part no. 3Q0907530L
VW Volkswagen Golf SV Gateway Control Unit Module ECU GW MQB High 3Q0907530L
£18.95
Free delivery - Tue, Jan 13
If paid before 14:00
Part no. MB3G-12A650-ARB
VW Amarok Mk2 NF 3.0 TDI DXWB 241HP Engine Control ECU MB3G-12A650-ARB Automatic
£398.95
Free delivery - Wed, Jan 14
If paid before 14:00
Part no. 1J0919506M
Volkswagen Skoda Seat Audi Radiator Cooling Fan Relay Control Unit 1J0919506M
£13.95
Free delivery - Tue, Jan 13
If paid before 14:00
Part no. 03L906022CB
VW Transporter T5 2.0 TDI Diesel CAAA Engine ECU Kit BCM 03L906022CB Lock + Key
£759.95
Free delivery - Tue, Jan 13
If paid before 14:00
Part no. 0AD927755AB
VW Volkswagen Touareg 7L Transfer Box Control Module ECU Automatic 0AD927755AB
£13.95
Free delivery - Tue, Jan 13
If paid before 14:00
Part no. 7N0907530AS
VW Volkswagen Passat B7 Gateway Control Module Unit ECU 7N0907530AS
£70.95
Free delivery - Tue, Jan 13
If paid before 14:00
Part no. 5Q0907530T
VW Volkswagen Golf SV Mk7 Audi A3 8V Gateway Control Module Unit ECU 5Q0907530T
£13.95
Free delivery - Tue, Jan 13
If paid before 14:00
Part no. 03E906019AH
VW Volkswagen Polo 6R 1.2 MPI CGPA 69HP Engine ECU Kit 03E906019AH Manual
£94.95
Free delivery - Tue, Jan 13
If paid before 14:00
Part no. 0C8927750D
VW Touareg 7P Automatic Transmission Module Control Unit ECU 3.0 TDI 0C8927750D
£275.95
Free delivery - Wed, Jan 14
If paid before 14:00
Part no. 7L0959655
Volkswagen Touareg 7L Air Module Control Unit Crash Impact Sensor 7L0959655
£13.95
Free delivery - Tue, Jan 13
If paid before 14:00
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 .