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. 5N1971121G
Volkswagen Tiguan 5N Door Wiring Front Passenger Side Cable Harness 5N1971121G
£18.95
Free delivery - Mon, Dec 01
If paid before 14:00
Part no. 03E971612AC
VW Volkswagen Polo 6R Engine Wiring Harness Cable Loom 1.2 CGPA Petrol 03F971612
£75.95
Free delivery - Mon, Dec 01
If paid before 14:00
Part no. 6C0951171-1
Volkswagen Polo 6R Mk5 Roof Alarm Monitor Module Sensor Unit 6C0951171
£13.95
Free delivery - Mon, Dec 01
If paid before 14:00
Part no. 5H9971694AC
VW Volkswagen Golf Mk8 Door Cable Rear Right O/S Harness Wiring Loom 5H9971694AC
£47.95
Free delivery - Mon, Dec 01
If paid before 14:00
Part no. 7N0880742
Volkswagen Sharan 7N Head Air Module Roof Side Curtain Right O/S 7N0880742
£32.95
Free delivery - Mon, Dec 01
If paid before 14:00
Part no. 5Q0959593F
Volkswagen Golf Mk8 Door Module Front Right O/S ECU Control Unit 5Q0959593F
£13.95
Free delivery - Mon, Dec 01
If paid before 14:00
Part no. RHD-5G4971121MT
Volkswagen Golf Mk7 VII Front Right O/S Door Loom Wiring Harness 5G4971121MT
£18.95
Free delivery - Mon, Dec 01
If paid before 14:00
Part no. 0AM911022C
Volkswagen Golf Mk8 Engine Starter Motor Assembly Unit 0AM911022C
£18.95
Free delivery - Mon, Dec 01
If paid before 14:00
Part no. 510971175B
VW Volkswagen Golf SV Roof Antenna Aerial Cable Harness Wiring Loom 510971175B
£18.95
Free delivery - Mon, Dec 01
If paid before 14:00
Part no. 3C0907376
Volkswagen VW Golf Mk6 1K Electric Damping Control Module 3C0907376
£13.95
Free delivery - Mon, Dec 01
If paid before 14:00
Part no. 7L6971073F
VW Volkswagen Touareg 7L Front Frame Panel Wiring Harness Cable 7L6971073F
£18.95
Free delivery - Mon, Dec 01
If paid before 14:00
Part no. 1K0971228L
VW Golf MK5 6 Audi A3 8P Positive Battery Terminal Cable 1K0971228L
£13.95
Free delivery - Mon, Dec 01
If paid before 14:00
Part no. 04L907309B
Volkswagen Golf Mk7 1.6 TDI CLHA Engine Control Unit ECU 04L907309B Manual
£56.95
Free delivery - Mon, Dec 01
If paid before 14:00
Part no. 7P6035670B
VW Volkswagen Touareg 7P CD Radio Stereo Head Unit Panel 7P6035670B
£332.95
Free delivery - Tue, Dec 02
If paid before 14:00
Part no. 3A0972695
VW Volkwagen Audi Seat Skoda Cable Loom Wiring Connector Plug Socket 3A0972695
£13.95
Free delivery - Mon, Dec 01
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 - Mon, Dec 01
If paid before 14:00
Part no. RHD-8K290612
Volkswagen VW Scirocco Mk3 Fuse Box Electrical Control Unit Module 8K290612
£23.95
Free delivery - Mon, Dec 01
If paid before 14:00
Part no. 07Z903021F
Volkswagen Phaeton 3D Engine Alternator Generator 14V 190A 5.0 Diesel 07Z903021F
£170.95
Free delivery - Tue, Dec 02
If paid before 14:00
Part no. 1J0035505A
Volkswagen Polo 6N Aerial Roof Antenna Base Antenna Unit 1J0035505A
£13.95
Free delivery - Mon, Dec 01
If paid before 14:00
Part no. 3C0907651
Volkswagen VW Golf Mk6 1K Acceleration Sensor 3C0907651
£13.95
Free delivery - Mon, Dec 01
If paid before 14:00
Part no. 7N0959794K
VW Sharan 7N Rear Door Module Control Unit Left N/S Passenger Side 7N0959794K
£13.95
Free delivery - Mon, Dec 01
If paid before 14:00
Part no. 03C906026AB
Volkswagen Scirocco Mk3 1.4 TSI CTHD 160HP Engine ECU 03C906026AB Automatic
£94.95
Free delivery - Mon, Dec 01
If paid before 14:00
Part no. 7L0937503
Volkswagen Touareg 7L Fuse Box Relay Control Unit Module 7L0937503
£47.95
Free delivery - Mon, Dec 01
If paid before 14:00
Part no. 5N0035341C
Volkswagen Scirocco Mk3 Multimedia Interface Module Box 5N0035341C 5N0035342B
£13.95
Free delivery - Mon, Dec 01
If paid before 14:00
Part no. 5H6035577T
VW Golf Mk8 Antenna Amplifier Rear Boot Lid Tailgate Right O/S 5H6035577T
£28.95
Free delivery - Mon, Dec 01
If paid before 14:00
Part no. 06K907425B-10
Volkswagen Golf Mk7 2.0 TSI CHHA 231HP Quattro Engine ECU Kit 06K907425B Automat
£237.95
Free delivery - Mon, Dec 01
If paid before 14:00
Part no. 5C3035342
VW Volkswagen 1.4 TSI New Beetle Multimedia Interface Module Unit ECU 5C3035342
£75.95
Free delivery - Mon, Dec 01
If paid before 14:00
Part no. 5Q0959354A
VW Volkswagen Tiguan AX1 Front Air Module Crash Impact Sensor Unit 5Q0959354A
£13.95
Free delivery - Mon, Dec 01
If paid before 14:00
Part no. 1T0909606
VW Volkswagen Touran 1T Air Module Control Unit Crash Impact Sensor 1T0909606
£13.95
Free delivery - Mon, Dec 01
If paid before 14:00
Part no. 6R0959655M
VW Volkswagen Polo 6R Seat Ibiza 6J Air Module Control Unit ECU 6R0959655M
£32.95
Free delivery - Mon, Dec 01
If paid before 14:00
Part no. 5Q0919294C
Audi A3 8V Golf Mk7 PDC Parking Distance Control Module Unit ECU 5Q0919294C
£18.95
Free delivery - Mon, Dec 01
If paid before 14:00
Part no. 5G0035222A
Volkswagen Golf Mk7 Media In Port Socket Connection Adapter 5G0035222A 5Q0035736
£13.95
Free delivery - Mon, Dec 01
If paid before 14:00
Part no. 5H0035820P
Volkswagen Golf Mk8 CD1 Head Unit Navigation Multimedia Control Unit 5H0035820P
£379.95
Free delivery - Mon, Dec 01
If paid before 14:00
Part no. 443937105A
VW Volkswagen Audi Skoda Seat Little Fuse Amp 30A 12V 443937105A
£13.95
Free delivery - Mon, Dec 01
If paid before 14:00
Part no. RHD-7H2857151C
Volkswagen Transporter T5 Interior Fusebox Panel Cover 7H2857151C
Product currently unavailable
Part no. 0AD927755BG
VW Volkswagen Touareg 7L Transfer Box Control Unit Module ECU 0AD927755BG
£23.95
Free delivery - Mon, Dec 01
If paid before 14:00
Part no. 3C0035279MX
VW Volkswagen Scirocco Mk3 Radio Head Unit Media CD Player 3C0035279MX
£66.95
Free delivery - Mon, Dec 01
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 - Mon, Dec 01
If paid before 14:00
Part no. 5N0959655A
Volkswagen Tiguan 5N Air Module Control Unit ECU Module 5N0959655A
£18.95
Free delivery - Mon, Dec 01
If paid before 14:00
Part no. 5WA937548C
Volkswagen Golf CD1 Positive Battery Plus Pole Terminal Lead Cable 5WA937548C
£18.95
Free delivery - Mon, Dec 01
If paid before 14:00
Part no. 4H0951253C-1
Volkswagen Polo 6R Tiguan 1T Multi Use Control Module Relay SET 4H0951253C
£18.95
Free delivery - Mon, Dec 01
If paid before 14:00
Part no. 2Q0937615A
Volkswagen Polo Mk6 Fuse Relay Box Power Supply Unit 2Q0937615A
£13.95
Free delivery - Mon, Dec 01
If paid before 14:00
Part no. 1H0955529
Volkswagen Polo 6N Audi Rear Relay Wiper 4-Pin Black 1H0955529
£37.95
Free delivery - Mon, Dec 01
If paid before 14:00
Part no. RHD-5G2971147CH
Volkswagen Golf Mk7 VII Tailgate Boot Trunk Cable Wiring Loom 5G2971147CH
£37.95
Free delivery - Mon, Dec 01
If paid before 14:00
Part no. 7L6971095B
VW Volkswagen Touareg 7L Front Bumper PDC Parking Sensor Wire Harness 7L6971095B
£66.95
Free delivery - Mon, Dec 01
If paid before 14:00
Part no. 5WA915343B
Battery Bracket VW Golf 8 CD1 Audi A3 8Y Battery Clamp Holder 5WA915343B
£13.95
Free delivery - Mon, Dec 01
If paid before 14:00
Part no. 038906016AJ
VW Volkswagen Transporter T5 1.9 TDI Diesel Engine Control Unit ECU 038906016AJ
£89.95
Free delivery - Mon, Dec 01
If paid before 14:00
Part no. 1K2941824
VW Golf 5 V 1K Fuse Box Control Unit Relay Power Distribution Module 1K2941824
£23.95
Free delivery - Mon, Dec 01
If paid before 14:00
Part no. 09D927750FA
Volkswagen Touareg 7L Automatic Gearbox Module Control Unit ECU 09D927750FA
£28.95
Free delivery - Mon, Dec 01
If paid before 14:00
Part no. 5Q0803219C
Battery Clamp VW Golf 8 CD1 Audi A3 8Y Battery Base Bracket Holder 5Q0803219C
£13.95
Free delivery - Mon, Dec 01
If paid before 14:00
Part no. 1K8919472A
Volkswagen Scirocco Mk3 PDC Parking Sensor Control Unit Module 1K8919472A
£37.95
Free delivery - Mon, Dec 01
If paid before 14:00
Part no. 1J6035111
VW Volkswagen Touareg 7L Golf 4 CD Changer 1J6035111
£28.95
Free delivery - Mon, Dec 01
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 - Mon, Dec 01
If paid before 14:00
Part no. 7P6971121H
VW Volkswagen Touareg 7P Door Wiring Loom Harness Front Left N/S 7P6971121C
£23.95
Free delivery - Mon, Dec 01
If paid before 14:00
Part no. 1J0919506K
VW Volkswagen New Beetle Fan Control Module Relay 1J0919506K
Product currently unavailable
Part no. 02M911024S
VW Golf MK7 5G Audi A3 8V Engine Starter Motor Valeo 2.0 TDI Diesel 02M911024S
£18.95
Free delivery - Mon, Dec 01
If paid before 14:00
Part no. 7L0909606C
Volkswagen Touareg 7L Front Impact Crash Sensor Right Left N/O/S 7L0909606C
£13.95
Free delivery - Mon, Dec 01
If paid before 14:00
Part no. 04B907445
Volkswagen Polo 6R 1.4 TDI CR 75HP CUSA Engine ECU Kit 04B907445 Key BCM Manual
£170.95
Free delivery - Mon, Dec 01
If paid before 14:00
Part no. 1Q0035279K
VW Volkswagen Scirocco Mk3 Radio Head Unit Display Media CD Player 1Q0035279K
£127.95
Free delivery - Mon, Dec 01
If paid before 14:00
Part no. RHD-6R2971120CD
VW Volkswagen Polo 6R Driver's Side Door Wiring Harness Loom 6R2971120CD
£42.95
Free delivery - Mon, Dec 01
If paid before 14:00
Part no. 1T2959503B
Volkswagen Touran 1T Fuse Box Relay Control Unit Bracket Holder 1T2959503B
£18.95
Free delivery - Mon, Dec 01
If paid before 14:00
Part no. 1K0937132F
Vw Golf 5 Audi A3 8P Seat Leon 1P1 Fuse Box Cover Trim Panel Housing 1K0937132F
£13.95
Free delivery - Mon, Dec 01
If paid before 14:00
Part no. RHD-6R2971121DK
VW Volkswagen Polo 6R Door Wiring Passenger Side Harness Loom 6R2971121DK
£32.95
Free delivery - Mon, Dec 01
If paid before 14:00
Part no. 1T1937503A
Volkswagen Touran 1T Fuse Box Relay Control Unit Bracket Module 1T1937503A
£13.95
Free delivery - Mon, Dec 01
If paid before 14:00
Part no. 1K0951253-1
VW Volkswagen Audi Seat Relay 449 12V 30A Unit Module 4 Pins 1K0951253
£13.95
Free delivery - Mon, Dec 01
If paid before 14:00
Part no. 1K8971104D
Volkswagen Scirocco Rear Number Plate Wiring Harness Cable Loom 1K8971104D
£13.95
Free delivery - Mon, Dec 01
If paid before 14:00
Part no. 4H0919275-SHB
VW Golf Mk6 Audi TT 8J Parking Distance Control Sensor Shark Blue Metallic - A5Q
£13.95
Free delivery - Mon, Dec 01
If paid before 14:00
Part no. 5N0035341F
Volkswagen VW Scirocco Mk3 Multimedia Interface Media-In Module Box 5N0035341F
£23.95
Free delivery - Mon, Dec 01
If paid before 14:00
Part no. 3D0909139B
Volkswagen Touareg 7L Entry Module Keyless Go Control Unit ECU 3D0909139B
£66.95
Free delivery - Mon, Dec 01
If paid before 14:00
Part no. RHD-3AA959354
Volkswagen Passat B7 Impact Crash Sensor Front Right Left N/O/S 3AA959354
£13.95
Free delivery - Mon, Dec 01
If paid before 14:00
Part no. 5H2971641AC
Volkswagen Golf CD1 Front Dashboard Console Wiring Loom Harness 5H2971641AC
£18.95
Free delivery - Mon, Dec 01
If paid before 14:00
Part no. 5K0937084F
Volkswagen Scirocco Mk3 Fuse Box Module Comfort BCM Control Unit ECU 5K0937084F
£28.95
Free delivery - Mon, Dec 01
If paid before 14:00
Part no. RHD-5Q2971111CG
Volkswagen Golf VII 5G Power Steering Rack Wiring Harness Loom Cable 5Q2971111CG
£28.95
Free delivery - Mon, Dec 01
If paid before 14:00
Part no. RHD-7P6971104D
Volkswagen VW Touareg 7P Parking Sensor Wiring Rear Bumper Loom Cable 7P6971104D
£32.95
Free delivery - Mon, Dec 01
If paid before 14:00
Part no. 03F906070BG-1
Volkswagen Touran 1T 1.2 TSI CBZB 105HP Engine ECU Kit 03F906070BG Lock + Key
£237.95
Free delivery - Mon, Dec 01
If paid before 14:00
Part no. 7N0843640
Volkswagen Sharan 7N Sliding Door Locking Catch Plate Lower Right O/S 7N0843640
£13.95
Free delivery - Mon, Dec 01
If paid before 14:00
Part no. 5WA962132
Volkswagen Golf Mk8 Antenna Amplifier Transmitter Receiver Module ECU 5WA962132
£13.95
Free delivery - Mon, Dec 01
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 - Mon, Dec 01
If paid before 14:00
Part no. 5C5937087F
Volkswagen New Beetle Body Control Comfort Unit Module BCM PQ25 5C5937087F
£237.95
Free delivery - Mon, Dec 01
If paid before 14:00
Part no. 3G8035816
Volkswagen Polo Mk6 Radio Stereo Head Unit Navigation Sat Nav 3G8035816
£156.95
Free delivery - Mon, Dec 01
If paid before 14:00
Part no. 1K8955557
Volkswagen Scirocco Mk3 Door Crash Impact Pressure Sensor Unit 1K8955557
£13.95
Free delivery - Mon, Dec 01
If paid before 14:00
Part no. 7L0941824A
Volkswagen Touareg 7L Fuse Box Module Electrical Relay Control Unit 7L0941828A
£13.95
Free delivery - Mon, Dec 01
If paid before 14:00
Part no. 5M0907357F
VW Volkswagen Passat B7 Headlight Range Control Unit Module ECU 5M0907357F
£13.95
Free delivery - Mon, Dec 01
If paid before 14:00
Part no. 5Q0955559C
Volkswagen Golf 8 Rain Sensor Front Windscreen 5Q0955559C
£18.95
Free delivery - Mon, Dec 01
If paid before 14:00
Part no. RHD-5K2880841D
Volkswagen Golf Mk6 VI Front Right Driver's Side Knee Air Module 5K2880841D
£13.95
Free delivery - Mon, Dec 01
If paid before 14:00
Part no. 1Q0035346A
VW Sharan 7N USB AUX MMI Multimedia Plug Control Module Panel 1Q0035346A
£66.95
Free delivery - Mon, Dec 01
If paid before 14:00
Part no. 7N0843638
Volkswagen Sharan 7N Sliding Door Catch Upper Locking Plate Right O/S 7N0843638
£18.95
Free delivery - Mon, Dec 01
If paid before 14:00
Part no. 06K907425B-13
Volkswagen Golf VII R 2.0TSI CJXC 300HP Engine Control ECU Kit 06K907425B Manual
£237.95
Free delivery - Tue, Dec 02
If paid before 14:00
Part no. 5C0959655P
Volkswagen New Beetle 70S Air Module Control Unit ECU 5C0959655P
£37.95
Free delivery - Mon, Dec 01
If paid before 14:00
Part no. 5N0035341G
Volkswagen Golf Scirocco CC Multimedia Interface Module Box 5N0035341G
£13.95
Free delivery - Mon, Dec 01
If paid before 14:00
Part no. 5WA937548A
VW Volkswagen Golf 8 1.0 TSI DLAA HV Battery Positive Terminal Clamp 5WA937548A
£13.95
Free delivery - Mon, Dec 01
If paid before 14:00
Part no. 5G0971104AD
VW Volkswagen Golf Mk7 Wiring Loom PDC Rear Harness Parking Sensor 5G0971104AD
£23.95
Free delivery - Mon, Dec 01
If paid before 14:00
Part no. 1T0035577H
Volkswagen Touran 1T Antenna Amplifier Rear Left N/S AM/FM Module 1T0035577H
£13.95
Free delivery - Mon, Dec 01
If paid before 14:00
Part no. 6R0959655K
VW Volkswagen Polo 6R Air Module Bag Control Unit 6R0959655K
£23.95
Free delivery - Mon, Dec 01
If paid before 14:00
Part no. 5H0035820R
Volkswagen Golf Mk8 CD1 Head Unit Navigation Multimedia Control Unit 5H0035820R
£284.95
Free delivery - Mon, Dec 01
If paid before 14:00
Part no. 7L0941824B
Volkswagen Touareg 7L Fuse Box Module Electrical Relay Control Unit 7L0941824B
£18.95
Free delivery - Mon, Dec 01
If paid before 14:00
Part no. 06Q907309B
Volkswagen Polo AW GTI 2.0 TSI 207HP DNND Engine ECU Unit 06Q907309B Automatic
£189.95
Free delivery - Mon, Dec 01
If paid before 14:00
Part no. 9068600602
Volkswagen Crafter Air Module Control Unit Module ECU 9068600602
£28.95
Free delivery - Mon, Dec 01
If paid before 14:00
Part no. 2Q0937090F
Volkswagen Polo IV Body Control Module Unit BCM ECU 2Q0937090F
£37.95
Free delivery - Mon, Dec 01
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 .