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. CC1T-14A073-CC
Ford Transit Mk7 Body Control Module Unit FS JCT PLN ECU CC1T-14A073-CC
£37.95
Free delivery - Mon, Dec 08
If paid before 14:00
Part no. 7649390-1
BMW F45 i8 X2 F39 Mini Cooper F60 Alternator Generator B38 B38X Engine 7649390
£275.95
Free delivery - Tue, Dec 09
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 - Mon, Dec 08
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 - Tue, Dec 09
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 - Tue, Dec 09
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 - Tue, Dec 09
If paid before 14:00
Part no. 7621178-11
BMW E81 E87 LCI E90 N43 170HP Engine Control Module ECU Kit DME 7621178 Manual
£170.95
Free delivery - Tue, Dec 09
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 - Tue, Dec 09
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 - Tue, Dec 09
If paid before 14:00
Part no. A2710106644-1
Mercedes R171 SLK200 M271.944 163HP Engine Control ECU A2710106644 Automatic
£123.95
Free delivery - Tue, Dec 09
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 - Tue, Dec 09
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 - Mon, Dec 08
If paid before 14:00
Part no. A2229005315-1
Mercedes W176 W205 Bluetooth Module Multimedia Control Unit ECU A2229005315
£18.95
Free delivery - Mon, Dec 08
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 - Mon, Dec 08
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 - Mon, Dec 08
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 - Mon, Dec 08
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 - Mon, Dec 08
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 - Mon, Dec 08
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 - Mon, Dec 08
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 - Mon, Dec 08
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 - Mon, Dec 08
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 - Mon, Dec 08
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 - Mon, Dec 08
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 - Tue, Dec 09
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 - Tue, Dec 09
If paid before 14:00
Part no. 1K0955559M
Volkswagen VW Golf Mk5 Rain Sensor Windscreen Control Unit Module 1K0955559M
£13.95
Free delivery - Mon, Dec 08
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 - Tue, Dec 09
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 - Tue, Dec 09
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 - Tue, Dec 09
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 - Tue, Dec 09
If paid before 14:00
Part no. 06K907425B-16
VW Golf VII 2.0 TFSI DJHA 310HP Quattro Engine Unit ECU Kit 06K907425B Automatic
£170.95
Free delivery - Tue, Dec 09
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 - Mon, Dec 08
If paid before 14:00
Part no. A2701501633
Mercedes C117 W176 A180 W246 M270 Engine Wiring Harness Cable Loom A2701501633
£108.95
Free delivery - Tue, Dec 09
If paid before 14:00
Part no. A2048204697-2
Mercedes W204 Dashboard Navigation Central Display Screen Monitor A2048204697
£142.95
Free delivery - Tue, Dec 09
If paid before 14:00
Part no. 05E907309-3
Volkswagen Golf VII 5G 1.5 TSI DACA 130HP Engine Control ECU 05E907309 Automatic
£28.95
Free delivery - Tue, Dec 09
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 - Mon, Dec 08
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 - Mon, Dec 08
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 - Mon, Dec 08
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 - Tue, Dec 09
If paid before 14:00
Part no. 9247874-2
BMW F06 F12 F13 Central Information Display Screen CIC Navigation 9247874
£94.95
Free delivery - Tue, Dec 09
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 - Tue, Dec 09
If paid before 14:00
Part no. 6R0802717B
Seat Ibiza 6J Audi A1 8X Battery Tray Holder Mounting Bracket 6R0802717B
£13.95
Free delivery - Mon, Dec 08
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 - Mon, Dec 08
If paid before 14:00
Part no. 2432355
Ford Transit Custom Alternator 240A 14V 2.0 EcoBlue GK2T-10300-CC
£170.95
Free delivery - Tue, Dec 09
If paid before 14:00
Part no. 5J0937019
Seat Ibiza 6J Fuse Box On Board Supply Control Unit 5J0937615C
£18.95
Free delivery - Mon, Dec 08
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 - Mon, Dec 08
If paid before 14:00
Part no. 7638003
BMW F20 F21 F22 F23 F23 F34 LCI F22 F30 F36 Starter Ground Cable 7638003
£18.95
Free delivery - Mon, Dec 08
If paid before 14:00
Part no. 98661209102
Porsche Cayenne 955 Battery Negative Ground Cable Wiring Earth Line 98661209102
£18.95
Free delivery - Mon, Dec 08
If paid before 14:00
Part no. RHD-99661209010
Porsche Boxster 986 911 996 Battery Positive Lead Wire Cable 99661209001
£13.95
Free delivery - Mon, Dec 08
If paid before 14:00
Part no. 99661030800-1
Porsche Boxster 986 Power Distribution Fuse Terminal Battery Box 99661030100
£32.95
Free delivery - Mon, Dec 08
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 09
If paid before 14:00
Part no. A2469056103
Mercedes SL R231 W246 Tailgate Rear View Reversing Camera A2469056103
£132.95
Free delivery - Mon, Dec 08
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 - Tue, Dec 09
If paid before 14:00
Part no. 9320241
BMW G30 G31 G11 F15 F16 Rear Entertainment Remote Control Rear 9320241
£113.95
Free delivery - Mon, Dec 08
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 - Mon, Dec 08
If paid before 14:00
Part no. 07Z911023BX
Volkswagen Phaeton 3D Engine Starter Motor Acutator 5.0 V10 Diesel 07Z911023BX
£113.95
Free delivery - Tue, Dec 09
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 - Mon, Dec 08
If paid before 14:00
Part no. A6261410000
Mercedes S205 OM622 Diesel Engine Throttle Body Regulator Actuator A6261410000
£94.95
Free delivery - Tue, Dec 09
If paid before 14:00
Part no. 7382536-1
Mini Countryman F60 Cooper SE ALL4 Charging Socket Trim Hybrid Charger 7382536
£170.95
Free delivery - Mon, Dec 08
If paid before 14:00
Part no. 9285508-1
BMW X5 X6 F15 F16 Power Battery Distribution Junction Box Control Unit 9285508
£23.95
Free delivery - Mon, Dec 08
If paid before 14:00
Part no. 8E0880201DG
Audi A4 B7 A5 8T Steering Wheel Air Module Driver's Side 8E0880201DG
£32.95
Free delivery - Mon, Dec 08
If paid before 14:00
Part no. 8E0910115K
Audi A4 B7 2.0 TFSI BWE 200HP Engine Control ECU 8E0910115K Manual
£56.95
Free delivery - Tue, Dec 09
If paid before 14:00
Part no. 6910085
BMW X3 E83 Heater Wiring Cable Harness Loom Matrix Air Conditioner 6910085
£18.95
Free delivery - Mon, Dec 08
If paid before 14:00
Part no. A2769007500
Mercedes W205 C43 4MATIC M276.823 367HP Engine Control ECU A2769007500 Automatic
£284.95
Free delivery - Tue, Dec 09
If paid before 14:00
Part no. RHD-9251191-2
BMW F10 F12 F25 F26 Lever Gear Selector Switch Automatic Transmission 9251191
£80.95
Free delivery - Mon, Dec 08
If paid before 14:00
Part no. A2129009922
Mercedes S212 Fuse Box Relay Control Unit SAM Module A2129009922
£56.95
Free delivery - Mon, Dec 08
If paid before 14:00
Part no. 4H0959792S
Porsche Macan 95B Front Door Control Module Unit Passenger Side 4H0959792S
£18.95
Free delivery - Mon, Dec 08
If paid before 14:00
Part no. A4539004009
Smart Fortwo C453 Display Screen Multimedia Navigation Sat Head Unit A4539004009
£142.95
Free delivery - Mon, Dec 08
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 08
If paid before 14:00
Part no. 6C0959655L
Seat Ibiza 6J VW Polo 6C 6R Air Module Unit Control Unit ECU Bosch 6C0959655L
£28.95
Free delivery - Mon, Dec 08
If paid before 14:00
Part no. 5QA919294B
Audi A3 8V VW Volkswagen Golf VII PDC Park Assist Control Module Unit 5QA919294B
£18.95
Free delivery - Mon, Dec 08
If paid before 14:00
Part no. 5G2971147HN
Volkswagen Golf Mk7 VII Tailgate Boot Trunk Cable Wiring Left N/S 5G2971147HN
£70.95
Free delivery - Mon, Dec 08
If paid before 14:00
Part no. A0009050410
Mercedes W176 W205 C207 W212 Front Radar Distance Sensor Unit Module A0009050410
£123.95
Free delivery - Tue, Dec 09
If paid before 14:00
Part no. 1308310484
Audi TT Contact Plate Control Unit Module Electric Part 1308310484
£28.95
Free delivery - Mon, Dec 08
If paid before 14:00
Part no. 1305715353
Audi TT LED Headlight Headlamp Control Unit Module ECU Front Left N/S 1305715353
£37.95
Free delivery - Mon, Dec 08
If paid before 14:00
Part no. 1305715345
Audi A4 B9 LED Headlight Headlamp Control Unit Module Front Left N/S 1305715345
£37.95
Free delivery - Mon, Dec 08
If paid before 14:00
Part no. 99661010900
Porsche Boxster 986 Relay Fuse Box Carrier Support Bracket Plate 99661010900
£32.95
Free delivery - Mon, Dec 08
If paid before 14:00
Part no. 99661826200
Porsche Boxster 986 Comfort Onboard ECU Control Unit Module BSI 99661826200
£322.95
Free delivery - Mon, Dec 08
If paid before 14:00
Part no. 95B971104T
Porsche Macan 95B PDC Parking Sensor Wiring Rear Bumper Loom 95B971104T
£142.95
Free delivery - Tue, Dec 09
If paid before 14:00
Part no. 99661021101
Porsche Boxster 986 Fuse Box Relay Fuse Module Control Unit 99661021101
£47.95
Free delivery - Mon, Dec 08
If paid before 14:00
Part no. 95B955941D
Porsche Macan 95B PDC Parking Sensor Wiring Loom Front Bumper 95B955941D
£142.95
Free delivery - Tue, Dec 09
If paid before 14:00
Part no. 8S0035466
Audi TT FV 8S Premium Loudspeaker System Amplifier Bang & Olufsen 8S0035466
£1,139.95
Free delivery - Tue, Dec 09
If paid before 14:00
Part no. 8S0035021E
Audi TT FV Mk3 Navi SD GPS MMI Multimedia Head Unit Module 8S0035021E
£569.95
Free delivery - Tue, Dec 09
If paid before 14:00
Part no. 99661860500-2
Porsche Boxster 986 2.7 9622 220HP Engine Control ECU Kit 99661860500 Automatic
£455.95
Free delivery - Mon, Dec 08
If paid before 14:00
Part no. 03L906018JG-1
Audi A5 8T 2.0 TDI CGLC 177HP Diesel Engine Control ECU Kit 03L906018JG Manual
£142.95
Free delivery - Mon, Dec 08
If paid before 14:00
Part no. 99664512100
Porsche Boxster 986 Radio Audio Head Unit Multimedia 99664512100
£256.95
Free delivery - Mon, Dec 08
If paid before 14:00
Part no. 1K4971121G
Volkswagen VW Golf Mk5 Door Harness Loom Cable Wiring Front Passenger 1K4971121G
£28.95
Free delivery - Mon, Dec 08
If paid before 14:00
Part no. 1K4971120G
VW Golf Mk5 Door Harness Loom Cable Wiring Front Driver's Door 1K4971120G
£47.95
Free delivery - Mon, Dec 08
If paid before 14:00
Part no. 04L907309G-1
Volkswagen New Beetle 2.0 TDI CUUA 110HP Engine Unit ECU Kit 04L907309G Manual
£189.95
Free delivery - Tue, Dec 09
If paid before 14:00
Part no. 8W0937124A
Audi A4 B9 A5 F5 Q5 FY Fuse Box Control Module Relay Box 8W0937124A
£13.95
Free delivery - Mon, Dec 08
If paid before 14:00
Part no. 06K907425B-15
Audi S3 8V 2.0 TFSI DJHA 310HP Quattro Engine Unit ECU Kit 06K907425B Automatic
£265.95
Free delivery - Tue, Dec 09
If paid before 14:00
Part no. 1K0937087J
Skoda Octavia II Body Control Module Convenience Unit BCM ECU 1K0937087J
£37.95
Free delivery - Mon, Dec 08
If paid before 14:00
Part no. 9294912
BMW F10 F11 X5 F15 X6 F16 Rear Seat Compartment Screen Display SET 9294912
£522.95
Free delivery - Tue, Dec 09
If paid before 14:00
Part no. 04L906021CK
Audi Q5 8R 2.0 TDI CNHA Quattro 190HP Engine Unit ECU Kit 04L906021CK Automatic
£332.95
Free delivery - Tue, Dec 09
If paid before 14:00
Part no. 8486547-2
Mini Cooper F55 F56 Dual-Clutch Transmission Gearbox Control Unit Module DCT
£322.95
Free delivery - Tue, Dec 09
If paid before 14:00
Part no. 6777641-2
BMW X5 E70 E81 E87 E90 E91 E92 E93 Air Module Wiring Steering Wheel Loom 6777641
£23.95
Free delivery - Mon, Dec 08
If paid before 14:00
Part no. A2479003506
Mercedes W177 Front Seat Module Control Unit Memory Driver's Side A2479003506
£170.95
Free delivery - Tue, Dec 09
If paid before 14:00
Part no. A4539018900
Smart ForTwo C453 Air Module Impact SRS Control Module ECU A4539018900
£94.95
Free delivery - Tue, Dec 09
If paid before 14:00
Part no. 9376789
BMW F39 F45 F48 Mini F60 Positive Battery Wiring Cable 9376789
£32.95
Free delivery - Mon, Dec 08
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 .