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.
Make
Category
Subcategory
Condition
In Stock
Price
Part no. A0009058104-1
Mercedes W176 W205 W246 GLC C253 Front Bumper Sensor Radar Unit A0009058104
£237.95
Free delivery - Wed, Dec 17
If paid before 14:00
Part no. RHD-8Y2971030H
Audi A3 8Y Front Door Wiring Loom Harness Cable Driver's Side 8Y2971030H
£28.95
Free delivery - Wed, Dec 17
If paid before 14:00
Part no. RHD-8Y2971029H
Audi A3 8Y Front Door Wiring Loom Harness Cable Passenger's Side 8Y2971029H
£23.95
Free delivery - Wed, Dec 17
If paid before 14:00
Part no. 8Y0971688H
Audi A3 8Y Sportback Rear Door Wiring Loom Harness Cable Right O/S 8Y0971688H
£37.95
Free delivery - Wed, Dec 17
If paid before 14:00
Part no. 8Y0035043B
Audi A3 8Y Multimedia Radio CD Player Bluetooth Control Head Unit 8Y0035043B
£142.95
Free delivery - Wed, Dec 17
If paid before 14:00
Part no. 059903016S
Porsche Cayenne 955 9PA Alternator Generator 220A 14V 3.0 TDI 059903016S
£47.95
Free delivery - Wed, Dec 17
If paid before 14:00
Part no. 8P4971035S
Audi A3 8P 3D Front Door Wiring Harness Loom Cable Driver Side 8P4971035S
£28.95
Free delivery - Wed, Dec 17
If paid before 14:00
Part no. 7L6035177E-1
Volkswagen Touareg 7L Display Screen Multimedia Navigation Unit 7L6035177E
£66.95
Free delivery - Wed, Dec 17
If paid before 14:00
Part no. 9383681-1
Mini F55 Fuse Box Front Body Control Module ECU BCM Unit 13275881
£94.95
Free delivery - Thu, Dec 18
If paid before 14:00
Part no. 4G0035056-1
Audi A4 B8 Sat Nav Multimedia DAB Radio Control Head Unit 4G0035056
£189.95
Free delivery - Thu, Dec 18
If paid before 14:00
Part no. 1K0971121AP
Volkswagen Golf Mk5 Front Door Wiring Harness Loom Electrical Cable 1K0971121AP
£13.95
Free delivery - Wed, Dec 17
If paid before 14:00
Part no. 4G5971085AF
Audi A6 C7 Rear Bumper Parking Sensor PDC Wiring Harness Loom Cable 4G5971085AF
£108.95
Free delivery - Thu, Dec 18
If paid before 14:00
Part no. CC1T-14A073-CC
Ford Transit Mk7 Body Control Module Unit FS JCT PLN ECU CC1T-14A073-CC
£37.95
Free delivery - Wed, Dec 17
If paid before 14:00
Part no. 8789891
BMW F87 M2 LCI Electric Front Bumper Wiring Harness PDC Loom Cable 8789891
£94.95
Free delivery - Thu, Dec 18
If paid before 14:00
Part no. 1K0915443A
VW Volkswagen Golf Mk5 Battery Lid Fuse Box Tray Housing Cover Trim 1K0915443A
£13.95
Free delivery - Wed, Dec 17
If paid before 14:00
Part no. 8509036-7
BMW E60 E61 E90 E92 M57N2 286HP Engine Control Unit ECU DDE 8509036 Automatic
£308.95
Free delivery - Wed, Dec 17
If paid before 14:00
Part no. 8576333-8
BMW F20 F30 F32 xDrive N47N 163HP Engine Control ECU Kit DDE 8576333 Manual
£142.95
Free delivery - Thu, Dec 18
If paid before 14:00
Part no. 8579479-6
BMW F20 F21 F30 F31 116HP N47N Engine Control Unit ECU Kit DDE 8579479 Manual
£237.95
Free delivery - Thu, Dec 18
If paid before 14:00
Part no. 8512589
BMW E81 E82 E87 LCI E88 N47S 123d 204HP Engine Unit ECU Kit DDE 8512589 Manual
£284.95
Free delivery - Thu, Dec 18
If paid before 14:00
Part no. A6519007600-5
Mercedes W176 A180 CDI OM651.901 109HP Engine Unit ECU Kit A6519007600 Automatic
£170.95
Free delivery - Thu, Dec 18
If paid before 14:00
Part no. 1K0907115J-1
Volkswagen Golf Mk5 1K V 2.0 TFSI BWA 200HP Engine Unit ECU 1K0907115J Automatic
£94.95
Free delivery - Thu, Dec 18
If paid before 14:00
Part no. A2710106644-1
Mercedes R171 SLK200 M271.944 163HP Engine Control ECU A2710106644 Automatic
£123.95
Free delivery - Thu, Dec 18
If paid before 14:00
Part no. 8664661-3
BMW F23 F30 F32 228i 328i 428i N20 184HP Engine Unit ECU DME Kit 8664661 Manual
£284.95
Free delivery - Thu, Dec 18
If paid before 14:00
Part no. RHD-4G1035192F-1
Audi A6 C7 MMI Multimedia Sat Nav Navigation Control Head Unit 4G1035192F
£75.95
Free delivery - Wed, Dec 17
If paid before 14:00
Part no. CC1T-9K499-PGE
Ford Transit Custom 2.2 TDCI Engine Wiring Harness Loom Cable CC1T-9K499-PGE
£28.95
Free delivery - Wed, Dec 17
If paid before 14:00
Part no. 2622438
BMW F30 Harman Becker Active Sound Amplifier Module Control Unit 2622438
£47.95
Free delivery - Wed, Dec 17
If paid before 14:00
Part no. A2229005315-1
Mercedes W176 W205 Bluetooth Module Multimedia Control Unit ECU A2229005315
£18.95
Free delivery - Wed, Dec 17
If paid before 14:00
Part no. 7801203-1
BMW X5 E70 E82 E87 F10 F11 F15 F25 F30 Diesel Engine Starter Motor 0986022673
£13.95
Free delivery - Wed, Dec 17
If paid before 14:00
Part no. 9456002
BMW F45 X5 F15 Inverter Converter KLE Charging Module Control Unit 9456002
£237.95
Free delivery - Wed, Dec 17
If paid before 14:00
Part no. RHD-6C2971121BK
Volkswagen Polo 6R 5Dr Door Wiring Harness Cable Front Right O/S 6C2971121BK
£23.95
Free delivery - Wed, Dec 17
If paid before 14:00
Part no. 8801727
BMW X1 F48 LCI F39 F45 Mini F60 Adapter Lead EPS 8801727
£47.95
Free delivery - Wed, Dec 17
If paid before 14:00
Part no. 9304350
BMW F45 F46 F48 Mini F54 F56 Battery Tray Holder Bracket Support 9304350
£13.95
Free delivery - Wed, Dec 17
If paid before 14:00
Part no. 9633549-BS
BMW F45 Side Panel Wing Fender Plug-In Hybrid Front Left N/S Black Sapphire 475
£189.95
Free delivery - Wed, Dec 17
If paid before 14:00
Part no. 7375192
BMW F45 Active Tourer Side Fixed Window Glass SSG Rear Right O/S 7375192
£75.95
Free delivery - Wed, Dec 17
If paid before 14:00
Part no. N1XT-15K867-KNC
Volkswagen Amarok NF Front Bumper PDC Park Sensor Wiring Harness N1XT-15K867-KNC
£37.95
Free delivery - Wed, Dec 17
If paid before 14:00
Part no. 5WA971230DT
Audi A3 8Y VW Golf Mk8 Alternator Starter Positive HV Cable Wiring 5WA971230DT
£99.95
Free delivery - Wed, Dec 17
If paid before 14:00
Part no. RHD-5WC971111AA
Audi A3 S3 RS3 8Y Power Steering Rack Wiring Harness Loom Cable 5WC971111AA
£104.95
Free delivery - Wed, Dec 17
If paid before 14:00
Part no. 5Q0915321H
VW Volkswagen Golf Mk7 Battery Tray Holder Mounting Bracket Support 5Q0915321H
£13.95
Free delivery - Wed, Dec 17
If paid before 14:00
Part no. RHD-7285245-CIT
BMW F32 F33 F36 Wing Mirror M Sport Heated Left N/S 5 Pins Citrin Black - X02
£170.95
Free delivery - Wed, Dec 17
If paid before 14:00
Part no. MB3T-14B060-ABE
Volkswagen Amarok NF Battery Relay Fuse Terminal Electrical Unit MB3T-14B060-ABE
£28.95
Free delivery - Wed, Dec 17
If paid before 14:00
Part no. MB3B-10723-F
Volkswagen Amarok Mk2 Ford Ranger Mk4 Battery Console Tray Bracket MB3B-10723-F
£28.95
Free delivery - Wed, Dec 17
If paid before 14:00
Part no. 4G5971687BH
Audi A6 C7 4G Rear Door Harness Wiring Loom Cable Left Right N/O/S 4G5971687BH
£28.95
Free delivery - Wed, Dec 17
If paid before 14:00
Part no. MU5T-146599-AGC
Volkswagen Amarok NF Battery Relay Fuse Terminal Electrical Unit MU5T-146599-AGC
£28.95
Free delivery - Wed, Dec 17
If paid before 14:00
Part no. MB3T-14D068-PLB
Volkswagen Amarok Mk2 Fuse Box Relay Control Module MB3T-14D068-PLB
£142.95
Free delivery - Wed, Dec 17
If paid before 14:00
Part no. 8626472-1
BMW F20 F21 M135i N55 326HP Petrol Engine Control Unit ECU DME 8626472 Automatic
£237.95
Free delivery - Thu, Dec 18
If paid before 14:00
Part no. MB3T-11000LB
VW Volkswagen Amarok Mk2 Starter Motor 12V MB3T-11000LB
£142.95
Free delivery - Wed, Dec 17
If paid before 14:00
Part no. 2HJ035377DS
VW Volkswagen Amarok Mk2 NF Trunk Tail Boot Lid Power Socket 2HJ035377DS
£37.95
Free delivery - Wed, Dec 17
If paid before 14:00
Part no. 99661853701
Porsche Boxster 986 Seat Comfort Module Unit Front Left Right N/O/S 99661853701
£351.95
Free delivery - Thu, Dec 18
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 - Thu, Dec 18
If paid before 14:00
Part no. ML3A-5L200-AD
Volkswagen Amarok Mk2 DPF Filter Pressure Sensor 3.0 TDI ML3A-5L200-AD
£94.95
Free delivery - Thu, Dec 18
If paid before 14:00
Part no. MB3T-7C078-BFF
Volkswagen Amarok Mk2 Automatic Gearbox Wiring Loom Harness Cable MB3T-7C078-BFF
£37.95
Free delivery - Wed, Dec 17
If paid before 14:00
Part no. P1WT-19H517-AE
VW Volkswagen Amarok Mk2 Auto Brake Trailer Module Control Unit P1WT-19H517-AE
£104.95
Free delivery - Thu, Dec 18
If paid before 14:00
Part no. 5WA937615
Audi A3 S3 8Y Fuse Box Control Module Relay Box Electrical Unit 5WA937615
£13.95
Free delivery - Wed, Dec 17
If paid before 14:00
Part no. MB3G-12C550-CG
VW Volkswagen Amarok Mk2 Glow Plug Relay Unit Module ECU MB3G-12C550-CG
£218.95
Free delivery - Thu, Dec 18
If paid before 14:00
Part no. 8Y4971035H
Audi A3 S3 8Y Door Wiring Loom Cable Harness Front Driver's Side 8Y4971035H
£28.95
Free delivery - Wed, Dec 17
If paid before 14:00
Part no. 1K0955559M
Volkswagen VW Golf Mk5 Rain Sensor Windscreen Control Unit Module 1K0955559M
£13.95
Free delivery - Wed, Dec 17
If paid before 14:00
Part no. 04L907309R-4
Skoda Octavia III 5E 2.0 TDI 184HP CUNA Engine Control ECU Kit 04L907309R Manual
£123.95
Free delivery - Thu, Dec 18
If paid before 14:00
Part no. A2749000800-7
Mercedes W205 C200 274.920 184HP Engine Control ECU Kit A2749000800 Automatic
£256.95
Free delivery - Thu, Dec 18
If paid before 14:00
Part no. 8630125-4
BMW F20 F21 F30 116i 316i N13 136HP Engine Control ECU Kit DME 8630125 Automatic
£427.95
Free delivery - Thu, Dec 18
If paid before 14:00
Part no. 03E906019M-2
Volkswagen Polo 6R 1.2 Petrol CGPB 60HP Engine Control ECU Kit 03E906019M Manual
£132.95
Free delivery - Thu, Dec 18
If paid before 14:00
Part no. 6826983
BMW F20 F21 F30 F31 Air Module Control Unit ECU Controller 6826983 0 285 013 626
£18.95
Free delivery - Wed, Dec 17
If paid before 14:00
Part no. 070906016B
Volkswagen Phaeton 3D 5.0 V10 AJS 313HP Engine Control ECU 070906016B Automatic
£70.95
Free delivery - Wed, Dec 17
If paid before 14:00
Part no. RHD-8P3971036N
Audi A3 8P Door Wiring Loom Cable Harness Front Driver's Side 8P3971036N
£28.95
Free delivery - Wed, Dec 17
If paid before 14:00
Part no. RHD-8P3971035R
Audi A3 8P Door Wiring Loom Cable Harness Front Passenger's Side 8P3971035R
£18.95
Free delivery - Wed, Dec 17
If paid before 14:00
Part no. 8Y0919605
Audi A3 S3 RS3 8Y MMI Multimedia Display Screen Sat Nav Radio 8Y0919605
£284.95
Free delivery - Wed, Dec 17
If paid before 14:00
Part no. A2701501633
Mercedes C117 W176 A180 W246 M270 Engine Wiring Harness Cable Loom A2701501633
£108.95
Free delivery - Thu, Dec 18
If paid before 14:00
Part no. 8T0971030R
Audi A5 8T Coupe Front Door Wiring Loom Harness Passenger Side 8T0971030R
£18.95
Free delivery - Wed, Dec 17
If paid before 14:00
Part no. 8T0971029R
Audi A5 8T Coupe Front Door Wiring Loom Harness Driver's Side 8T0971029R
£18.95
Free delivery - Wed, Dec 17
If paid before 14:00
Part no. 7H0907299
Volkswagen Transporter T5 Engine Bay Cover For Main Fuse Box 7H0907300
£51.95
Free delivery - Wed, Dec 17
If paid before 14:00
Part no. A2048204697-2
Mercedes W204 Dashboard Navigation Central Display Screen Monitor A2048204697
£142.95
Free delivery - Thu, Dec 18
If paid before 14:00
Part no. 9260918
BMW E81 E82 Door Wiring Loom Harness Cables Passenger's Side 9118110
£37.95
Free delivery - Wed, Dec 17
If paid before 14:00
Part no. 8T0959793P
Audi A4 B8 A5 8T Door Control Unit Module Front Driver's Side 8T0959793P
£13.95
Free delivery - Wed, Dec 17
If paid before 14:00
Part no. 1420000117
Audi A5 F5 Headlight Module LED Light Control Unit Front Right O/S 1420000117
£85.95
Free delivery - Wed, Dec 17
If paid before 14:00
Part no. 1420000116
Audi A5 F5 Headlight Module LED Light Control Unit Front Left N/S 1420000116
£85.95
Free delivery - Wed, Dec 17
If paid before 14:00
Part no. A6519000601-5
Mercedes W906 313 CDI OM651 129HP Diesel Engine Control ECU A6519000601 Manual
£113.95
Free delivery - Thu, Dec 18
If paid before 14:00
Part no. 9247874-2
BMW F06 F12 F13 Central Information Display Screen CIC Navigation 9247874
£94.95
Free delivery - Thu, Dec 18
If paid before 14:00
Part no. 9389330
BMW F46 Gran Tourer Door Wiring Loom Harness Rear Left Right N/O/S 9389330
£23.95
Free delivery - Wed, Dec 17
If paid before 14:00
Part no. 7640015-6
BMW E90 E91 E92 320i N43 170HP Engine Control Unit ECU DME 7640015 Automatic
£94.95
Free delivery - Thu, Dec 18
If paid before 14:00
Part no. 6R0802717B
Seat Ibiza 6J Audi A1 8X Battery Tray Holder Mounting Bracket 6R0802717B
£13.95
Free delivery - Wed, Dec 17
If paid before 14:00
Part no. 4G0906264
Audi A6 C7 1.8 TFSI CYGA 190HP Engine Control Module ECU 4G0906264 Automatic
£598.95
Free delivery - Wed, Dec 17
If paid before 14:00
Part no. 2432355
Ford Transit Custom Alternator 240A 14V 2.0 EcoBlue GK2T-10300-CC
£170.95
Free delivery - Thu, Dec 18
If paid before 14:00
Part no. 5J0937019
Seat Ibiza 6J Fuse Box On Board Supply Control Unit 5J0937615C
£18.95
Free delivery - Wed, Dec 17
If paid before 14:00
Part no. 6J0971584D
Seat Ibiza Mk4 6J Steering Wheel Squib Ring Air Module Wiring Loom 6J0971584D
£13.95
Free delivery - Wed, Dec 17
If paid before 14:00
Part no. 4G0919475L
Audi A6 C7 4G PDC Module Parking Sensor Assistance Control Unit 4G0919475L
£123.95
Free delivery - Thu, Dec 18
If paid before 14:00
Part no. 7638003
BMW F20 F21 F22 F23 F34 LCI F22 F30 F36 Starter Ground Cable 7638003
£18.95
Free delivery - Wed, Dec 17
If paid before 14:00
Part no. 98661209102
Porsche Cayenne 955 Battery Negative Ground Cable Wiring Earth Line 98661209102
£18.95
Free delivery - Wed, Dec 17
If paid before 14:00
Part no. RHD-99661209010
Porsche Boxster 986 911 996 Battery Positive Lead Wire Cable 99661209001
£13.95
Free delivery - Wed, Dec 17
If paid before 14:00
Part no. 99661030800-1
Porsche Boxster 986 Power Distribution Fuse Terminal Battery Box 99661030100
£32.95
Free delivery - Wed, Dec 17
If paid before 14:00
Part no. A2469056103
Mercedes SL R231 W246 Tailgate Rear View Reversing Camera A2469056103
£132.95
Free delivery - Wed, Dec 17
If paid before 14:00
Part no. 9151054
BMW X5 E70 X6 E71 Multimedia Radio Sat Nav Player DVD System Head Unit 9151054
£175.95
Free delivery - Wed, Dec 17
If paid before 14:00
Part no. A6461505091-2
Mercedes W203 C220 CDI 150HP 646.963 Engine Control ECU Kit A6461505091 Automat
£170.95
Free delivery - Thu, Dec 18
If paid before 14:00
Part no. 9320241
BMW G30 G31 G11 F15 F16 Rear Entertainment Remote Control Rear 9320241
£113.95
Free delivery - Wed, Dec 17
If paid before 14:00
Part no. 059911023S
Volkswagen Touareg 7L 3.0 TDI Starter Motor 12V 059911023S
£28.95
Free delivery - Wed, Dec 17
If paid before 14:00
Part no. RHD-6C2971120CD
Volkswagen Polo 6R 5Dr Door Wiring Harness Cable Front Right O/S 6C2971120CD
£28.95
Free delivery - Wed, Dec 17
If paid before 14:00
Part no. 3Q0907530G
Audi S3 8V Central Gateway Control Unit Module Relay ECU 3Q0907530G
£18.95
Free delivery - Wed, Dec 17
If paid before 14:00
Part no. RHD-7557821
BMW E60 E61 E63 E64 N52 Engine Wiring Loom Harness 7557822 7557821
£94.95
Free delivery - Wed, Dec 17
If paid before 14:00
Part no. 07Z911023BX
Volkswagen Phaeton 3D Engine Starter Motor Acutator 5.0 V10 Diesel 07Z911023BX
£113.95
Free delivery - Thu, Dec 18
If paid before 14:00
Part no. 8D0951253-1
Audi A4 B6 B7 B8 Q7 4L A6 C7 A8 D4 Multi Use Relay Unit Module 4 Pins 8D0951253
£13.95
Free delivery - Wed, Dec 17
If paid before 14:00
Part no. A6261410000
Mercedes S205 OM622 Diesel Engine Throttle Body Regulator Actuator A6261410000
£94.95
Free delivery - Thu, Dec 18
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 .