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. 03G906016GJ-1
Volkswagen Golf V 1K 2.0 SDI BDK 75HP Engine Control ECU Kit 03G906016GJ Manual
PLN 569.95
Free delivery: Mar 03
If paid before 14:00
Part no. 076906022N-2
VW Crafter Mk1 2E 2.5 TDI CEBB 109HP Engine Control ECU Kit 076906022N Manual
PLN 1,519.95
Free delivery: Mar 03
If paid before 14:00
Part no. A6388200310
VW Volkswagen Crafter I Headliner Roof Alarm Movement Sensor A6388200310
PLN 42.95
Delivery: Mar 03
If paid before 14:00
Part no. 3C0906651
Volkswagen VW Crafter 2E AdBlue Control Unit Module 2.5 TDI Diesel 3C0906651
PLN 189.95
Free delivery: Mar 03
If paid before 14:00
Part no. MB3T-14B060-ABE-1
VW Volkswagen Amarok NF Engine Wiring Loom Harness Cable MB3T-14B060-ABE
PLN 379.95
Free delivery: Mar 03
If paid before 14:00
Part no. 2HJ962211N
Volkswagen Amarok Mk2 Engine Earth Ground Wiring Harnes Cable MB3T-18C942-BF
PLN 94.95
Free delivery: Mar 03
If paid before 14:00
Part no. 000051446C
VW Volkswagen Golf Mk6 5K Digital Media Adapter Cable Wiring Loom 000051446C
PLN 42.95
Delivery: Mar 03
If paid before 14:00
Part no. 1K0955559AB
Volkswagen Golf Mk5 Rain Sensor Front Windscreen Control Unit Module 1K0955559AB
PLN 61.95
Free delivery: Mar 03
If paid before 14:00
Part no. N1WT-14F514-PFD
VW Amarok Mk2 Front Door Wiring Harness Keyless Left Right N/O/S N1WT-14F514-PFD
PLN 123.95
Free delivery: Mar 03
If paid before 14:00
Part no. MB3T-14A411-SRC
VW Volkswagen Amarok NF Ford Ranger Cab Wiring Harness Loom MB3T14A411SRC
PLN 94.95
Free delivery: Mar 03
If paid before 14:00
Part no. 5Q0971230DT
Volkswagen Golf Mk7 Alternator Wiring Harness Loom Cable 1.4 TSI 5Q0971230DT
PLN 42.95
Delivery: Mar 03
If paid before 14:00
Part no. 7L0959772
VW Volkswagen Golf Mk5 Phaeton 3D Heated Seat Control Module Unit 7L0959772
PLN 42.95
Delivery: Mar 03
If paid before 14:00
Part no. 2G6035736
VW Volkswagen Transporter T6 Double USB-C Port Socket Control Unit 2G6035736
PLN 113.95
Free delivery: Mar 03
If paid before 14:00
Part no. 6C0919603A
VW Volkswagen Polo Mk5 6R Radio Multimedia Display Navigation Unit 6C0919603A
PLN 569.95
Free delivery: Mar 03
If paid before 14:00
Part no. 7LA971411E
VW Volkswagen Transporter T6 Power Steering Oil Sensor Wiring Harness 7LA971411E
PLN 142.95
Free delivery: Mar 03
If paid before 14:00
Part no. 7LA937550A
VW Transporter T6 Fusebox Module Power Distribution Control Module 7LA937550A
PLN 94.95
Free delivery: Mar 03
If paid before 14:00
Part no. 7H0907300
Volkswagen Transporter T6.1 Engine Bay Main Fuse Box Top Cover 7H0907300
PLN 42.95
Delivery: Mar 03
If paid before 14:00
Part no. 7LA971793B
Volkswagen Transporter T6 Battery Earth Cable Line 7LA971793B
PLN 42.95
Delivery: Mar 03
If paid before 14:00
Part no. 05L907309AD-1
VW Transporter T6.1 2.0 TDI DNAB 110HP Engine Control ECU Kit 05L907309AD Manual
PLN 1,899.95
Free delivery: Mar 03
If paid before 14:00
Part no. 06K907425B-20
Volkswagen Golf R 5G MK7 2.0TFSI CJXC 300HP Engine Control ECU 06K907425B Manual
PLN 664.95
Free delivery: Mar 03
If paid before 14:00
Part no. 2K5971121H
VW Caddy Maxi 2K Front Door Panel Cable Harness Passenger's Side 2K5971121H
PLN 61.95
Free delivery: Mar 03
If paid before 14:00
Part no. 2K5971120H
VW Volkswagen Caddy Maxi 2K Front Door Panel Cable Harness Left N/S 2K5971120H
PLN 94.95
Free delivery: Mar 03
If paid before 14:00
Part no. 5K0937085R
VW Volkswagen Caddy Maxi 2K BCM Body Control Module Unit 5K0937085R
PLN 427.95
Free delivery: Mar 03
If paid before 14:00
Part no. 03L906018NF
Volkswagen Caddy 2K III 2.0 TDI CFHC 140HP Engine Control ECU 03L906018NF Manual
PLN 569.95
Free delivery: Mar 03
If paid before 14:00
Part no. 7L0937503A
Volkswagen Touareg 7L Fuse Box Relay Control Unit Module 7L0937503A
PLN 61.95
Free delivery: Mar 03
If paid before 14:00
Part no. 7M0951253C-2
VW Touareg 7L Audi Q7 4L Relay Black Control Unit 5 Pin 404 12V Set 7M0951253C
PLN 42.95
Delivery: Mar 03
If paid before 14:00
Part no. 06K907425B-17
Volkswagen Polo GTI 6R 1.8 TSI DAJA 192HP Engine ECU Kit 06K907425B BCM + Key
PLN 664.95
Free delivery: Mar 03
If paid before 14:00
Part no. 7L6035680A
VW Volkswagen Touareg 7L Radio Player Navigation Sat Nav Head Unit 7L6035680A
PLN 1,519.95
Free delivery: Mar 03
If paid before 14:00
Part no. 7L9971104
Volkswagen Touareg 7L Rear Bumper PDC Parking Sensor Wiring Loom 7L9971104
PLN 75.95
Free delivery: Mar 03
If paid before 14:00
Part no. 1K0971121CL
Volkswagen Golf 1K 5D Front Door Wiring Loom Harness Passenger Side 1K0971121CL
PLN 123.95
Free delivery: Mar 03
If paid before 14:00
Part no. 7L0909606A
Volkswagen VW Touareg 7L Front Impact Crash Sensor Left Right N/O/S 7L0909606A
PLN 42.95
Delivery: Mar 03
If paid before 14:00
Part no. 7N0951171A
Volkswagen Caddy 2K Anti Theft Interior Roof Alarm Sensor 7N0951171A
PLN 237.95
Free delivery: Mar 03
If paid before 14:00
Part no. 2K0919475
VW Volkswagen Caddy 2K PDC Parking Distance Sensor Control Module Unit 2K0919475
PLN 123.95
Free delivery: Mar 03
If paid before 14:00
Part no. 2K5972175
Volkswagen Caddy 2K Rear Gate Tailgate Harness Wiring Adapter Cable 2K5972175
PLN 61.95
Free delivery: Mar 03
If paid before 14:00
Part no. 03L907425C-1
Volkswagen Caddy 2K Mk3 1.6 TDI CAYD 102HP Engine ECU Kit 03L907425C BCM + Key
PLN 1,804.95
Free delivery: Mar 03
If paid before 14:00
Part no. 2K5971692
Volkswagen Caddy 2K Mk2 Sliding Door Wiring Loom Harness 2K5971692
PLN 42.95
Delivery: Mar 03
If paid before 14:00
Part no. 2Q0915343A
Volkswagen Polo Mk6 AW Battery Holder Cover Surround Mount 2Q0915343A
PLN 61.95
Free delivery: Mar 03
If paid before 14:00
Part no. 7H0937086H
VW Volkswagen Transporter T5 Body Control Module BCM Control Unit 7H0937086H
PLN 569.95
Free delivery: Mar 03
If paid before 14:00
Part no. 03L907309M
Volkswagen Transporter T5 2.0 TDI CAAB 102HP Engine Unit ECU 03L907309M Manual
PLN 1,139.95
Free delivery: Mar 03
If paid before 14:00
Part no. 7H0937550A
Volkswagen Trasnporter T5 Main Fuse Socket Engine Bay Panel Module 7H0937550A
PLN 42.95
Delivery: Mar 03
If paid before 14:00
Part no. 7LA971794A
Volkswagen Transporter T6 Starter Motor Wiring Harness Cable Earth 7LA971794A
PLN 284.95
Free delivery: Mar 03
If paid before 14:00
Part no. 7L9971095C
Volkswagen Touareg 7L Front Bumper PDC Wiring Loom Harness 7L9971095C
PLN 189.95
Free delivery: Mar 03
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
PLN 617.95
Free delivery: Mar 03
If paid before 14:00
Part no. 2G6035954
Volkswagen T-Roc Golf Mk8 USB-C Port Socket Double Rear Centre Console 2G6035954
PLN 42.95
Delivery: Mar 03
If paid before 14:00
Part no. 2GA907159
VW Volkswagen T-Roc Mk1 Body Sound Control Unit Module ECU 2GA907159
PLN 664.95
Free delivery: Mar 03
If paid before 14:00
Part no. 2GA971694A
VW Volkswagen T-Roc Mk1 Rear Door Cable Harness Wiring Loom Right O/S 2GA971694A
PLN 142.95
Free delivery: Mar 03
If paid before 14:00
Part no. 5Q4959592N
VW Volkswagen T-ROC AV11 Front Door Control Module ECU Passenger Side 5Q4959592N
PLN 94.95
Free delivery: Mar 03
If paid before 14:00
Part no. 2GA947202
VW Volkswagen T-ROC A11 Front Door LED Handle Light Wiring Right O/S 2GA947202
PLN 94.95
Free delivery: Mar 03
If paid before 14:00
Part no. 2GA971395A
VW Volkswagen T-ROC A11 Front Door Ambiente Light Wiring Right O/S 2GA971395A
PLN 42.95
Delivery: Mar 03
If paid before 14:00
Part no. 2GA971395
VW Volkswagen T-ROC A11 Front Door Ambiente Light Wiring Left N/S 2GA971395
PLN 42.95
Delivery: Mar 03
If paid before 14:00
Part no. 2GA947201
VW Volkswagen T-ROC A11 Front Door Handle LED Light Cable Left N/S 2GA947201
PLN 61.95
Free delivery: Mar 03
If paid before 14:00
Part no. 09D927750EB
VW Volkswagen Touareg 7L Transmission Gearbox Control Module Unit 09D927750EB
PLN 142.95
Free delivery: Mar 03
If paid before 14:00
Part no. 5N0035342C
VW Volkswagen Touareg 7L Media Interface Module Control Unit Box 5N0035342C
PLN 42.95
Delivery: Mar 03
If paid before 14:00
Part no. 1T0035530
VW Volkswagen Touareg 7L Antenna Aerial Amplifier Booster Unit 1T0035530
PLN 61.95
Free delivery: Mar 03
If paid before 14:00
Part no. 7L0907401B-1
Volkswagen Touareg 3.0 TDI BKS 225HP Engine Control ECU Kit 7L0907401B Automatic
PLN 1,899.95
Free delivery: Mar 03
If paid before 14:00
Part no. 1K8907159
Volkswagen Scirocco III Mk3 Impact Sound Control Module Unit 1K8907159
PLN 42.95
Delivery: Mar 03
If paid before 14:00
Part no. 7P6959107C
VW Volkswagen Touareg 7P Rear Boot Lid Tailgate Control Module Unit 7P6959107C
PLN 256.95
Free delivery: Mar 03
If paid before 14:00
Part no. 7P6907273H
VW Volkswagen Touareg 7P Tyre Pressure Control Unit Module ECU 7P6907273H
PLN 569.95
Free delivery: Mar 03
If paid before 14:00
Part no. 0C8927755C
VW Touareg 7P Automatic Transmission Module Control Unit ECU 3.0 TDI 0C8927755C
PLN 569.95
Free delivery: Mar 03
If paid before 14:00
Part no. 7P0959655E
Volkswagen Touareg 7P Air Module ECU Control Module Unit 7P0959655E
PLN 94.95
Free delivery: Mar 03
If paid before 14:00
Part no. 7P0907652C
Volkswagen Touareg 7P ESP Yaw Rate Sensor Module Unit Control ECU 7P0907652C
PLN 61.95
Free delivery: Mar 03
If paid before 14:00
Part no. 7P1907401
Volkswagen Touareg 7L 3.0 TDI CVVA 262HP Engine Control ECU 7P1907401 Automatic
PLN 949.95
Free delivery: Mar 03
If paid before 14:00
Part no. 7P6907530M
VW Volkswagen Touareg 7P Gateway Module Control Unit ECU 7P6907530M
PLN 123.95
Free delivery: Mar 03
If paid before 14:00
Part no. 1S0959651
Volkswagen Touareg 7P Front Impact Crash Sensor Air Module 1S0959651
PLN 351.95
Free delivery: Mar 03
If paid before 14:00
Part no. 4K4907107F
Audi Q7 4M Driver Assistance Module Control Unit 4K4907107F
PLN 1,519.95
Free delivery: Mar 03
If paid before 14:00
Part no. 000051444K
Volkswagen Golf Mk5 1k Ipod Adapter Control Unit Box Module 000051444K
PLN 42.95
Delivery: Mar 03
If paid before 14:00
Part no. 5K0035730
Seat Ibiza MK4 VW Golf MK6 Bluetooth Interface Control Module Unit 5K0035730
PLN 189.95
Free delivery: Mar 03
If paid before 14:00
Part no. 5C0959655C
Volkswagen VW Golf Mk6 Variant Jetta Air Module Control Unit ECU 5C0959655C
PLN 61.95
Free delivery: Mar 03
If paid before 14:00
Part no. 2Q0959655AN
Volkswagen Transporter T6 Air Module Sensor Control Unit ECU 2Q0959655AN
PLN 1,614.95
Free delivery: Mar 03
If paid before 14:00
Part no. 03L906018AN-1
Volkswagen Golf Mk6 Variant Scirocco Diesel ECU Engine Control Unit 03L906018AN
PLN 237.95
Free delivery: Mar 03
If paid before 14:00
Part no. 5NA035736
VW Volkswagen Crafter Mk2 SY Double USB-C Port Socket Centre Console 5NA035736
PLN 61.95
Free delivery: Mar 03
If paid before 14:00
Part no. 7C0955737
Volkswagen Crafter Mk2 Positive Battery Cover Panel 7C0955737
PLN 42.95
Delivery: Mar 03
If paid before 14:00
Part no. 7C0971250B
Volkswagen Crafter SY Earth Ground Cable Negative Battery Lead Wiring 7C0971250B
PLN 42.95
Delivery: Mar 03
If paid before 14:00
Part no. 3Q0959652
Volkswagen Crafter SY Air Module Control Unit Sensor ECU 3Q0959652
PLN 170.95
Free delivery: Mar 03
If paid before 14:00
Part no. 5Q4959393P
Volkswagen Crafter SY Mk2 Door Module Control Unit Driver's Side 5Q4959393P
PLN 113.95
Free delivery: Mar 03
If paid before 14:00
Part no. 5Q4959392P
Volkswagen Crafter SY Mk2 Door Module Control Front Passenger Side 5Q4959392P
PLN 140.95
Free delivery: Mar 03
If paid before 14:00
Part no. 5Q0951172A
Volkswagen Crafter SY Anti Theft Alarm Sensor Module Control Unit 5Q0951172A
PLN 104.95
Free delivery: Mar 03
If paid before 14:00
Part no. 7C0035532
Volkswagen Crafter Mk2 Wing Mirror Aerial Antenna Wiring Module 7C0035532
PLN 113.95
Free delivery: Mar 03
If paid before 14:00
Part no. 2N0941329C
VW Volkswagen Crafter Mk2 SY Reduction Agent Metering System Unit 2N0941329C
PLN 237.95
Free delivery: Mar 03
If paid before 14:00
Part no. 7C0971819C
VW Volkswagen Crafter SY Reducing Tank Harness Adapter Wiring 7C0971819C
PLN 218.95
Free delivery: Mar 03
If paid before 14:00
Part no. 0C8927769AG
Porsche Cayenne 92A Automatic Transmission Control Module 3.0 Diesel 0C8927769AG
PLN 465.95
Free delivery: Mar 03
If paid before 14:00
Part no. 7M0951253C-3
VW Volkswagen Audi Seat Skoda Relay Black Control 5 Pin 12V 7M0951253C Set X2
PLN 42.95
Delivery: Mar 03
If paid before 14:00
Part no. 7L0907719
Volkswagen Touareg 7L Anti Theft Alarm System Control Module Unit ECU 7L0907719
PLN 42.95
Delivery: Mar 03
If paid before 14:00
Part no. 7L0937503-1
Volkswagen Touareg 7L Relay Housing Plate Module Control Unit 7L0937503
PLN 42.95
Delivery: Mar 03
If paid before 14:00
Part no. 7E0971793
Volkswagen Transporter T5 T6 Battery Wire Negative Lead Cable 7E0971793
PLN 94.95
Free delivery: Mar 03
If paid before 14:00
Part no. 7E0971411
Volkswagen Transporter T5 2.0 TDI Oil Level Sensor Wiring Harness 7E0971411
PLN 123.95
Free delivery: Mar 03
If paid before 14:00
Part no. 2GA971104C
VW Volkswagen T-Roc A11 Wiring Loom PDC Rear Harness Parking Sensor 2GA971104C
PLN 189.95
Free delivery: Mar 03
If paid before 14:00
Part no. 04L907445G-2
VW Volkswagen Golf Mk7 1.6 TDI DGTE 115HP Engine Control ECU 04L907445G Manual
PLN 379.95
Free delivery: Mar 03
If paid before 14:00
Part no. 7L5907401-2
Volkswagen Touareg 7L 3.0TDI BKS 225HP Engine Unit ECU Kit 7L5907401 Automatic
PLN 2,754.95
Free delivery: Mar 03
If paid before 14:00
Part no. 5Q0907530D
Volkswagen VW Golf Mk7 Gateway Control Unit Module 5Q0907530D
PLN 42.95
Delivery: Mar 03
If paid before 14:00
Part no. 5Q0937084M
Volkswagen VW Golf Mk7 BCM Convenience Body Control Module Unit ECU 5Q0937084M
PLN 113.95
Free delivery: Mar 03
If paid before 14:00
Part no. 5C0035680C
Volkswagen Scirocco Tiguan 5N Display Screen Multimedia Nav Unit 5C0035680C
PLN 2,374.95
Free delivery: Mar 03
If paid before 14:00
Part no. 2K5971691
VW Volkswagen Caddy 2K Sliding Door Wiring Loom Harness Cable Left N/S 2K5971691
PLN 61.95
Free delivery: Mar 03
If paid before 14:00
Part no. 038907281D-2
VW Volkswagen Caddy 2K Audi A4 B9 Glow Plug Relay Unit Black Diesel 038907281D
PLN 42.95
Delivery: Mar 03
If paid before 14:00
Part no. 7L0971225H
Volkswagen Touareg 7L Audi Q7 4L Battery Positive Cable Terminal 7L0971225H
PLN 70.95
Free delivery: Mar 03
If paid before 14:00
Part no. 443951253K
Volkswagen Audi Porsche Relay 214 Grey 443951253K
PLN 42.95
Delivery: Mar 03
If paid before 14:00
Part no. 7P0907401F
Volkswagen Touareg 7P 3.0 TDI CRCA 254HP 4x4 Engine ECU 7P0907401F Automatic
PLN 1,424.95
Free delivery: Mar 03
If paid before 14:00
Part no. 7P6919475D
VW Volkswagen Touareg 7P PDC Parking Distance Control Module Unit 7P6919475D
PLN 123.95
Free delivery: Mar 03
If paid before 14:00
Part no. 7P6035670G
VW Volkswagen Touareg 7P CD Radio Stereo Head Unit Panel 7P6035670G
PLN 1,899.95
Free delivery: Mar 03
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 .