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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In Stock
Price
Part no. 06F903023F
Volkswagen Golf 5 Audi A3 8P 1.9 2.0 TDI Engine Alternator Generator 06F903023F
€28.95
Free delivery: Feb 4 – 5
If paid before 14:00
Part no. 02M911024J
Volkswagen Golf 7 Audi A1 A3 Seat Ibiza Petrol Engine Starter Motor 02M911024J
€23.95
Free delivery: Feb 4 – 5
If paid before 14:00
Part no. 06F903023C
Audi Volkswagen Seat Skoda Engine Alternator Generator 06F903023C
€32.95
Free delivery: Feb 4 – 5
If paid before 14:00
Part no. 4F0959793E
VW Volkswagen Tiguan 5N Front Right O/S Door ECU Module Control Unit 4F0959793E
€23.95
Free delivery: Feb 4 – 5
If paid before 14:00
Part no. 09D927750FA
Volkswagen Touareg 7L Automatic Gearbox Module Control Unit ECU 09D927750FA
€32.95
Free delivery: Feb 4 – 5
If paid before 14:00
Part no. 5Q0937084CL
Volkswagen Golf Mk7 BCM Convenience Body Control Module Unit ECU 5Q0937084CL
€28.95
Free delivery: Feb 4 – 5
If paid before 14:00
Part no. 03C906027DA-1
VW Volkswagen Touran 1T 1.4 TSI CAVC Engine ECU Kit Ignition 03C906027DA + Keys
€237.95
Free delivery: Feb 4 – 5
If paid before 14:00
Part no. 1K0955557A
VW Volkswagen Audi Seat Skoda Airbag Crash Impact Sensor SRC 1K0955557A
€23.95
Free delivery: Feb 4 – 5
If paid before 14:00
Part no. 5Q0955547B
VW Golf Mk7 Skoda Octavia Mk3 Front Windscreen Rain Sensor Unit 5Q0955547B
€28.95
Free delivery: Feb 4 – 5
If paid before 14:00
Part no. 038907281D
Genuine VW Audi Seat Skoda Diesel Glow Plug Relay Unit Black 9 Pins 038907281D
€23.95
Free delivery: Feb 4 – 5
If paid before 14:00
Part no. 1K0971250AH
VW Golf Mk5 V Negative Battery Terminal Cable Wiring 1K0971250AH
€23.95
Free delivery: Feb 4 – 5
If paid before 14:00
Part no. 038971803
Volkswagen VW Caddy 2K Injector Wiring Harness Loom 038971803
€23.95
Free delivery: Feb 4 – 5
If paid before 14:00
Part no. 5Q0951605B
Audi Seat Skoda Volkswagen Golf Mk8 Anti Theft Alarm Siren 5Q0951605B
€23.95
Free delivery: Feb 4 – 5
If paid before 14:00
Part no. 1K0909605AE
VW Volkswagen Scirocco Mk3 Air Module Control Unit ECU 1K0909605AE
€23.95
Free delivery: Feb 4 – 5
If paid before 14:00
Part no. 3D0941329
Volkswagen VW Golf Mk7 Headlight Cornering Module Control Unit 3D0941329
€32.95
Free delivery: Feb 4 – 5
If paid before 14:00
Part no. 3D0909139B
Volkswagen Touareg 7L Entry Module Keyless Go Control Unit ECU 3D0909139B
€80.95
Free delivery: Feb 4 – 5
If paid before 14:00
Part no. 5N0035342G
VW Volskwagen Polo 6R Multimedia Electronic ECU Control Unit Module 5N0035342G
€23.95
Free delivery: Feb 4 – 5
If paid before 14:00
Part no. 6R0971235C
VW Volkswagen Polo 6R Negative Battery Terminal Cable Wiring 6C0971235A
€23.95
Free delivery: Feb 4 – 5
If paid before 14:00
Part no. 6R0971226A
Volkswagen VW Polo 6R Negative Battery Terminal Cable Wiring 6R0971226A
€23.95
Free delivery: Feb 4 – 5
If paid before 14:00
Part no. 5WA962132
Volkswagen Golf Mk8 Antenna Amplifier Transmitter Receiver Module ECU 5WA962132
€23.95
Free delivery: Feb 4 – 5
If paid before 14:00
Part no. 7L0907719A
Volkswagen Touareg Anti Theft Alarm System Control Module Unit ECU 7L0907719A
€23.95
Free delivery: Feb 4 – 5
If paid before 14:00
Part no. 5WA907007AC
Volkswagen Golf Mk8 Air Conditioning A/C Control Unit Module 5WA907007AB
€113.95
Free delivery: Feb 4 – 5
If paid before 14:00
Part no. 5G0035820A
Volkswagen Golf Mk7 Infotainment Multimedia Head Unit 5G0035820A
€51.95
Free delivery: Feb 4 – 5
If paid before 14:00
Part no. 5WA980653D
Volkswagen Golf CD1 Camera Lane Assist Control ECU Module Unit 5WA980653D
€89.95
Free delivery: Feb 4 – 5
If paid before 14:00
Part no. 3D0909601F
VW Volkswagen Touareg 7L Air Module Control Unit ECU SRS 3D0909601F
€23.95
Free delivery: Feb 4 – 5
If paid before 14:00
Part no. 0AD927755BE
VW Volkswagen Touareg 7L Transfer Box Control Unit Module ECU 0AD927755BE
€23.95
Free delivery: Feb 4 – 5
If paid before 14:00
Part no. 3D0035110
Volkswagen VW Phaeton 3D GP0 CD Changer 6-Disc Multichanger 3D0035110
€47.95
Free delivery: Feb 4 – 5
If paid before 14:00
Part no. 2Q0937615A
Volkswagen Polo Mk6 Fuse Relay Box Power Supply Unit 2Q0937615A
€28.95
Free delivery: Feb 4 – 5
If paid before 14:00
Part no. N1XT-14D338-ADC
VW Volkswagen Amarok NF Wiring Harness Loom Cable N1XT-14D338-ADC
€23.95
Free delivery: Feb 4 – 5
If paid before 14:00
Part no. 5Q0937086BK-1
Volkswagen Golf Sportsvan Body Control Comfort Unit Module BCM Unit 5Q0937086BK
€80.95
Free delivery: Feb 4 – 5
If paid before 14:00
Part no. 1K0907655D
VW Touran 1T Yaw Sensor ESP Rotation Rate Control Unit Module 1K0907655D
€23.95
Free delivery: Feb 4 – 5
If paid before 14:00
Part no. MB3T-14B060-ABE-1
VW Volkswagen Amarok NF Engine Wiring Loom Harness Cable MB3T-14B060-ABE
€94.95
Free delivery: Feb 4 – 5
If paid before 14:00
Part no. 7P6971121H
VW Volkswagen Touareg 7P Door Wiring Loom Harness Front Left N/S 7P6971121C
€28.95
Free delivery: Feb 4 – 5
If paid before 14:00
Part no. 7P6971161FL
VW Touareg 7P Door Wiring Loom Harness Cable Front Passenger Side 7P6971161ES
€42.95
Free delivery: Feb 4 – 5
If paid before 14:00
Part no. 4H0919275-SHB
VW Golf Mk6 Audi TT 8J Parking Distance Control Sensor Shark Blue Metallic - A5Q
€23.95
Free delivery: Feb 4 – 5
If paid before 14:00
Part no. 04B907445
Volkswagen Polo 6R 1.4 TDI CR 75HP CUSA Engine ECU Kit 04B907445 Key BCM Manual
€165.95
Free delivery: Feb 4 – 5
If paid before 14:00
Part no. 1K8971104D
Volkswagen Scirocco III Rear Number Plate Wiring Harness Cable Loom 1K8971104D
€37.95
Free delivery: Feb 4 – 5
If paid before 14:00
Part no. 3D0941329E
Volkswagen Golf Mk7 Headlight Cornering Module Control Unit 3D0941329E
€56.95
Free delivery: Feb 4 – 5
If paid before 14:00
Part no. 4H0951253A
Seat Skoda Audi VW Polo 6R Multi Use Control Module Relay 4 Pin 645 4H0951253A
€23.95
Free delivery: Feb 4 – 5
If paid before 14:00
Part no. 4H0951253C
Seat Skoda Audi VW Polo 6R Multi Use Control Module Relay 4 Pin 646 4H0951253C
€23.95
Free delivery: Feb 4 – 5
If paid before 14:00
Part no. 3D0972072AG
VW Phaeton 3D Electrical Steering Column Wiring Harness Loom Cable 3D0972072AG
€56.95
Free delivery: Feb 4 – 5
If paid before 14:00
Part no. 3Q0907530Q
Volkswagen VW Golf Mk7 Gateway Control Unit Module ECU GW MQB High 3Q0907530Q
€23.95
Free delivery: Feb 4 – 5
If paid before 14:00
Part no. 2GA947201
VW Volkswagen T-ROC A11 Front Door Handle LED Light Cable Left N/S 2GA947201
€23.95
Free delivery: Feb 4 – 5
If paid before 14:00
Part no. 5N0035341F
Volkswagen VW Scirocco Mk3 Multimedia Interface Media-In Module Box 5N0035341F
€23.95
Free delivery: Feb 4 – 5
If paid before 14:00
Part no. NU5T-15604-KACN
VW Volkswagen Amarok Mk2 BCM Body Control Module Control Unit NU5T-15604-KACN
€222.95
Free delivery: Feb 4 – 5
If paid before 14:00
Part no. MB3T-14A411-SLC
VW Volkswagen Amarok NF Wiring Harness Loom Cable MB3T14A411SLC
€23.95
Free delivery: Feb 4 – 5
If paid before 14:00
Part no. 09D927750EB
VW Volkswagen Touareg 7L Transmission Gearbox Control Module Unit 09D927750EB
€32.95
Free delivery: Feb 4 – 5
If paid before 14:00
Part no. 5Q0907530AC
Volkswagen Golf Mk7 Gateway Control Unit Module 5Q0907530AA
€37.95
Free delivery: Feb 4 – 5
If paid before 14:00
Part no. 7L0937503-1
Volkswagen Touareg 7L Relay Housing Plate Module Control Unit 7L0937503
€23.95
Free delivery: Feb 4 – 5
If paid before 14:00
Part no. 09G927750FD
VW Volkswagen Tiguan 5N Automatic Gearbox Module Control Unit ECU 09G927750FD
€47.95
Free delivery: Feb 4 – 5
If paid before 14:00
Part no. 04L907309D-2
VW Golf VII 5G 2.0 TDI CRLB 150HP Engine Control Unit ECU Kit 04L907309D Manual
€142.95
Free delivery: Feb 4 – 5
If paid before 14:00
Part no. 1K0971121CL
Volkswagen Golf 1K 5D Front Door Wiring Loom Harness Passenger Side 1K0971121CL
€23.95
Free delivery: Feb 4 – 5
If paid before 14:00
Part no. 1Y0951177
VW Volkswagen New Beetle Alarm Motion Detector Sensor Module Unit 1Y0951177
€23.95
Free delivery: Feb 4 – 5
If paid before 14:00
Part no. 03G906016GJ-1
Volkswagen Golf V 1K 2.0 SDI BDK 75HP Engine Control ECU Kit 03G906016GJ Manual
€132.95
Free delivery: Feb 4 – 5
If paid before 14:00
Part no. 5Q0959593F
Volkswagen Golf Mk8 Door Module Front Right O/S ECU Control Unit 5Q0959593F
€23.95
Free delivery: Feb 4 – 5
If paid before 14:00
Part no. MB3G-12C550-CG
VW Volkswagen Amarok Mk2 Glow Plug Relay Unit Module ECU MB3G-12C550-CG
€256.95
Free delivery: Feb 4 – 5
If paid before 14:00
Part no. 5Q0971230DT
Volkswagen Golf Mk7 Alternator Wiring Harness Loom Cable 1.4 TSI 5Q0971230DT
€23.95
Free delivery: Feb 4 – 5
If paid before 14:00
Part no. P1XT-18T806-AC
Volkswagen VW Amarok NF Audio Sound System Amplifier Unit P1XT-18T806-AC
€66.95
Free delivery: Feb 4 – 5
If paid before 14:00
Part no. P1WT-14H076-CGG
VW Volkswagen Amarok Mk2 Control Unit Module ECU P1WT-14H076-CGG
€450.95
Free delivery: Feb 4 – 5
If paid before 14:00
Part no. 5N0035552K
VW Tiguan 5N Antenna Amplifier Module Control Right O/S Unit 5N0035552K
€23.95
Free delivery: Feb 4 – 5
If paid before 14:00
Part no. 7P6971162EC
VW Touareg 7P Door Wiring Loom Harness Cable Front Driver's Side 7P6971162DJ
€42.95
Free delivery: Feb 4 – 5
If paid before 14:00
Part no. 7L0909606D
Volkswagen Touareg 7L Front Impact Crash Sensor Right Left N/O/S 7L0909606D
€23.95
Free delivery: Feb 4 – 5
If paid before 14:00
Part no. 7P0959655B
Volkswagen Touareg 7P Air Module ECU Control Module Unit 7P0959655B
€32.95
Free delivery: Feb 4 – 5
If paid before 14:00
Part no. 7P0937401
Volkswagen Touareg 7P Power Distribution Unit Positive Battery Socket 7P0937401
€37.95
Free delivery: Feb 4 – 5
If paid before 14:00
Part no. 000051446C
VW Volkswagen Golf Mk6 5K Digital Media Adapter Cable Wiring Loom 000051446C
€23.95
Free delivery: Feb 4 – 5
If paid before 14:00
Part no. 1K8955557
Volkswagen Scirocco Mk3 Door Crash Impact Pressure Sensor Unit 1K8955557
€23.95
Free delivery: Feb 4 – 5
If paid before 14:00
Part no. 4H0959793F
VW Touareg 7P Front Door Control Module Unit ECU Driver's Side 4H0959793F
€23.95
Free delivery: Feb 4 – 5
If paid before 14:00
Part no. 5Q0959592L
Volkswagen Golf Mk8 Front Door Passenger Side Module Control Unit 5Q0959592L
€28.95
Free delivery: Feb 4 – 5
If paid before 14:00
Part no. 7M0951253C-1
VW Volkswagen T5 Audi Seat Skoda Relay Black Control Unit 5 Pin 12V 7M0951253C
€23.95
Free delivery: Feb 4 – 5
If paid before 14:00
Part no. 1J0919506M
Volkswagen Skoda Seat Audi Radiator Cooling Fan Relay Control Unit 1J0919506M
€23.95
Free delivery: Feb 4 – 5
If paid before 14:00
Part no. 4H0959792F
VW Touareg 7P Front Door Control Module Unit ECU Passenger Side 4H0959792F
€23.95
Free delivery: Feb 4 – 5
If paid before 14:00
Part no. 3D0907040H
VW Volkswagen Phaeton 3D Climate Air Conditioning Control Module Unit 3D0907040H
€23.95
Free delivery: Feb 4 – 5
If paid before 14:00
Part no. G2412-154530-B
VW Amarok Mk2 Headlight Headlamp Control Unit Module Sensor G2412-154530-B
€32.95
Free delivery: Feb 4 – 5
If paid before 14:00
Part no. 1K0906381
Audi Seat Skoda Volkswagen Relay Multi Use Grey 1K0906381
€23.95
Free delivery: Feb 4 – 5
If paid before 14:00
Part no. 2HJ962211N
Volkswagen Amarok Mk2 Engine Earth Ground Wiring Harnes Cable MB3T-18C942-BF
€23.95
Free delivery: Feb 4 – 5
If paid before 14:00
Part no. 7L0941824A
Volkswagen Touareg 7L Fuse Box Module Electrical Relay Control Unit 7L0941828A
€23.95
Free delivery: Feb 4 – 5
If paid before 14:00
Part no. 1J0906381A
VW Volkswagen Transporter T5 Golf Mk4 Fuel Pump Relay Unit Grey 109 1J0906381A
€23.95
Free delivery: Feb 4 – 5
If paid before 14:00
Part no. MB3T-14C574-PFB
Volkswagen Amarok NF Ford Ranger T9 Body Cable Wire Harness MB3T-14C574-PFB
€56.95
Free delivery: Feb 4 – 5
If paid before 14:00
Part no. 1T0971235A
Volkswagen Golf MK5 6 Audi A3 8P Negative Battery Terminal Cable 1T0971235A
€23.95
Free delivery: Feb 4 – 5
If paid before 14:00
Part no. 6R0971349AP
VW Volkswagen Polo 6R 1.4 TSI Petrol Alternator Wiring Harness Loom 6R0971349AP
€23.95
Free delivery: Feb 4 – 5
If paid before 14:00
Part no. 3D0971235AD
VW Volkswagen Phaeton Mk1 Battery Negative Terminal Wire Cable 3D0971235AD
€23.95
Free delivery: Feb 4 – 5
If paid before 14:00
Part no. 1K0951253
VW Volkswagen Audi Seat Relay 449 Unit Module 4 Pins 1K0951253
€23.95
Free delivery: Feb 4 – 5
If paid before 14:00
Part no. 0AD927755BG
VW Volkswagen Touareg 7L Transfer Box Control Unit Module ECU 0AD927755BG
€23.95
Free delivery: Feb 4 – 5
If paid before 14:00
Part no. 5N0035341G
Volkswagen Golf Scirocco CC Multimedia Interface Module Box 5N0035341G
€23.95
Free delivery: Feb 4 – 5
If paid before 14:00
Part no. 5M0035186AA
Radio CD Player VW Volkswagen Golf Polo Passat B6 Head Unit RCD310 5M0035186AA
€28.95
Free delivery: Feb 4 – 5
If paid before 14:00
Part no. 3D0941329B
Volkswagen Passat B7 Headlight Cornering Module Control Unit 3D0941329B
€51.95
Free delivery: Feb 4 – 5
If paid before 14:00
Part no. 5G0971104AD
VW Volkswagen Golf Mk7 Wiring Loom PDC Rear Harness Parking Sensor 5G0971104AD
€28.95
Free delivery: Feb 4 – 5
If paid before 14:00
Part no. 7L5907401-2
Volkswagen Touareg 7L 3.0TDI BKS 225HP Engine Unit ECU Kit 7L5907401 Automatic
€650.95
Free delivery: Feb 4 – 5
If paid before 14:00
Part no. 1H0953227
Audi Seat Volkswagen Polo 6N Turn Signal Hazard Light Relay 191 1H0953227
€23.95
Free delivery: Feb 4 – 5
If paid before 14:00
Part no. DS7T-15603-CA
Volkswagen Amarok Mk2 Keyless Entry Antenna Amplifier Module ECU DS7T-15603-CA
€23.95
Free delivery: Feb 4 – 5
If paid before 14:00
Part no. 4H0959795B
VW Touareg 7L Rear Door Control Unit Module Left Right N/O/S ECU 4H0959795B
€23.95
Free delivery: Feb 4 – 5
If paid before 14:00
Part no. 5WA959354
VW Volkswagen Golf Mk8 Air Module Control Unit Crash Impact Sensor 5WA959354
€23.95
Free delivery: Feb 4 – 5
If paid before 14:00
Part no. NU5T-14B531-JA
VW Amarok Mk2 Door Module Control Unit Front Rear Driver's Side NU5T-14B531-JA
€56.95
Free delivery: Feb 4 – 5
If paid before 14:00
Part no. 1T0909606
VW Volkswagen Touran 1T Air Module Control Unit Crash Impact Sensor 1T0909606
€23.95
Free delivery: Feb 4 – 5
If paid before 14:00
Part no. 3D0907539A
VW Volkswagen Phaeton 3D Dashboard Light Sun Solar Sensor Unit 3D0907539A
€23.95
Free delivery: Feb 4 – 5
If paid before 14:00
Part no. 5G0971175C
Volkswagen Golf Mk7 Rear Tailgate Boot Lid Wiring Adapter Loom 5G0971175C
€23.95
Free delivery: Feb 4 – 5
If paid before 14:00
Part no. 1K0971365CG
VW Volkswagen Golf Mk5 1K Seat Wiring Loom Cable Front Left N/S 1K0971365CG
€28.95
Free delivery: Feb 4 – 5
If paid before 14:00
Part no. 06K907425B-20
Volkswagen Golf R 5G MK7 2.0TFSI CJXC 300HP Engine Control ECU 06K907425B Manual
€161.95
Free delivery: Feb 4 – 5
If paid before 14:00
Part no. 06K907425B-17
Volkswagen Polo GTI 6R 1.8 TSI DAJA 192HP Engine ECU Kit 06K907425B BCM + Key
€165.95
Free delivery: Feb 4 – 5
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 .