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. 8K0907064JE
Audi A5 8T Body Control Comfort Unit Module BCM Convenience Unit ECU 8K0907064JE
£47.95
Free delivery - Mon, Dec 01
If paid before 14:00
Part no. 5Q0937615A
Audi A3 8V Fuse Box Control Module Relay Box 5Q0937615A
£18.95
Free delivery - Mon, Dec 01
If paid before 14:00
Part no. 8T8971030K
Audi A5 8T Front Passenger Door Wiring Harness Loom Cable Left N/S 8T8971030K
£18.95
Free delivery - Mon, Dec 01
If paid before 14:00
Part no. 4H0035225L
Audi A8 D4 4H Aerial Antenna Amplifier AMP Booster Module 4H0035225L
£13.95
Free delivery - Mon, Dec 01
If paid before 14:00
Part no. 4M0907282A
Audi A4 B9 Q7 4M Glow Plug Relay Control Unit 3.0 TDI 4M0907282A
£47.95
Free delivery - Mon, Dec 01
If paid before 14:00
Part no. 83A971687L
Audi RSQ3 F3 Door Wiring Harness Loom Rear Left N/S Cabling 83A971687L
£32.95
Free delivery - Mon, Dec 01
If paid before 14:00
Part no. 8R0971765
Audi Q5 8R Adblue Wiring Harness Cable 2.0 TDI 8R0971765
£23.95
Free delivery - Mon, Dec 01
If paid before 14:00
Part no. 8X0919475AE
Audi A1 8X PDC Assistance Parking Distance Control Module Unit ECU 8X0919475AE
£13.95
Free delivery - Mon, Dec 01
If paid before 14:00
Part no. 4M0907247A
Keyless Entry Amplifier Audi A4 B9 A5 F5 Control Box Module Antenna 4M0907247A
£13.95
Free delivery - Mon, Dec 01
If paid before 14:00
Part no. 8Y0035042C
Audi S3 8Y Body Control Comfort Module ECU Unit Bluetooth 8Y0035042C
£949.95
Free delivery - Mon, Dec 01
If paid before 14:00
Part no. 8U0919603A
Audi Q3 8U Multimedia MMI Multifunction Display Screen 6" RMC 8U0919603A
£142.95
Free delivery - Mon, Dec 01
If paid before 14:00
Part no. 5Q0937084E
Audi A3 8V Body Control Comfort Unit Module BCM Unit 5Q0937084E
£42.95
Free delivery - Mon, Dec 01
If paid before 14:00
Part no. 4F0941824
Audi S6 C6 Wirie Cable Fuse Box Holder Support 4F0941824
£13.95
Free delivery - Mon, Dec 01
If paid before 14:00
Part no. 8K0959792M
Audi Q5 8R A6 C6 Door Module Front Left N/S Control Unit Module ECU 8K0959792M
£18.95
Free delivery - Mon, Dec 01
If paid before 14:00
Part no. rhd-8X2971845
Audi A1 8X Fuse Box Unit Front Left N/S 8X2971845
£18.95
Free delivery - Mon, Dec 01
If paid before 14:00
Part no. 8K0907801N
Audi A5 8T Electric Hand Parking Brake Control Unit ECU 8K0907801N
£18.95
Free delivery - Mon, Dec 01
If paid before 14:00
Part no. 07C911023H
Starter Motor Audi S8 D3 4E VW Touareg Starter Motor Bosch 1.7KW 07C911023H
£56.95
Free delivery - Mon, Dec 01
If paid before 14:00
Part no. 8T0959793M
Audi A5 8T Front Door Control Module Left N/S Driver's Side Unit 8T0959793M
£13.95
Free delivery - Mon, Dec 01
If paid before 14:00
Part no. 8R0907468L
Audi A5 8F Gateway Control Unit Module ECU 8R0907468L
£13.95
Free delivery - Mon, Dec 01
If paid before 14:00
Part no. 06M907309D-1
Audi SQ5 FY 3.0 TFSI 354HP CWGD Quattro Engine ECU Kit Gateway + Key 06M907309D
£522.95
Free delivery - Mon, Dec 01
If paid before 14:00
Part no. 8H0951178
Audi A4 B7 Cabrio Alarm Signal Body Control Sensor Module Unit 8H0951178
£13.95
Free delivery - Mon, Dec 01
If paid before 14:00
Part no. 8K0971104J
Audi A5 8T Rear Bumper PDC Sensor Parking Distance Control 8K0971104J
£13.95
Free delivery - Mon, Dec 01
If paid before 14:00
Part no. 8K0907064DS
Audi S4 B8 Comfort Convenience Module Control Unit ECU 8K0907064DS
£66.95
Free delivery - Mon, Dec 01
If paid before 14:00
Part no. 8E0959433CQ
Audi A4 B7 Body Comfort Control BCM Supply Module Unit ECU 8E0959433CQ
£47.95
Free delivery - Mon, Dec 01
If paid before 14:00
Part no. 8K5907357
Audi A4 B8 Headlight Headlamp Range Control Unit Module 8K5907357
£18.95
Free delivery - Mon, Dec 01
If paid before 14:00
Part no. 4L0959794B
Audi Q7 4L Door Control Module Electrical Unit ECU Rear Right O/S 4L0959794B
£13.95
Free delivery - Mon, Dec 01
If paid before 14:00
Part no. 8J0907115BC
Audi TT Mk2 8J 1.8 TFSI CDAA 160HP Engine Control Unit ECU 8J0907115BC Automatic
£237.95
Free delivery - Mon, Dec 01
If paid before 14:00
Part no. 83A907159
Audi Q3 RSQ3 F3 Body Sound Impact Control Module ECU 83A907159
£56.95
Free delivery - Mon, Dec 01
If paid before 14:00
Part no. 8K0959655Q
Audi A4 B8 SRS Air Module Control Unit ECU 8K0959655Q
£161.95
Free delivery - Mon, Dec 01
If paid before 14:00
Part no. 03L906018MN-1
Audi Q5 8R CJCA 2.0 TDI 143HP Quattro Diesel Engine ECU Kit 03L906018MN Manual
£237.95
Free delivery - Mon, Dec 01
If paid before 14:00
Part no. 03L906018CM-1
Audi Q3 8U 2.0 TDI CFFB 140HP Quattro Engine Control Unit ECU 03L906018CM Manual
£123.95
Free delivery - Mon, Dec 01
If paid before 14:00
Part no. 4F0959651
Audi A6 C6 Front Impact Sensor Safety Crash Detection Module Unit 4F0959651
£13.95
Free delivery - Mon, Dec 01
If paid before 14:00
Part no. 8X0915181
Audi A4 B8 A5 8T TT Mk2 Negative Battery Terminal Cable Lead 8X0915181
£13.95
Free delivery - Mon, Dec 01
If paid before 14:00
Part no. 03L906022LS
Audi A3 8P 2.0 TDI CBAB 140HP Engine Control Unit ECU 03L906022LS Manual
£66.95
Free delivery - Mon, Dec 01
If paid before 14:00
Part no. 4L0971767
Audi Q7 4L Washer Bottle Reservoir Wiring Loom Harness 4L0971767
£13.95
Free delivery - Mon, Dec 01
If paid before 14:00
Part no. 059907309F
Audi A4 B9 A5 5F 3.0 TDI CSWB 218 HP Engine Control Module 059907309F Automatic
£189.95
Free delivery - Mon, Dec 01
If paid before 14:00
Part no. 8K0959793S
Audi A4 B8 Front Door Control Module Unit ECU 8K0959793S
£13.95
Free delivery - Mon, Dec 01
If paid before 14:00
Part no. 4L2910401C-1
Audi Q7 4L 3.0 TDI CRCA Quattro Engine Control Unit ECU 4L2910401C Lock + Key
£902.95
Free delivery - Mon, Dec 01
If paid before 14:00
Part no. 8R0971095A
Audi Q5 8R Front Bumper PDC Parking Sensor Wiring Harness Loom 8R0971095A
£94.95
Free delivery - Mon, Dec 01
If paid before 14:00
Part no. 03G906021RC
Audi A3 8P 1.9 TDI BLS 105HP Engine Control Unit Module ECU 03G906021RC Manual
£47.95
Free delivery - Mon, Dec 01
If paid before 14:00
Part no. 4L0959651
Audi A5 Q7 A6 Front Crash Impact Sensor Control Unit 4L0959651
£23.95
Free delivery - Mon, Dec 01
If paid before 14:00
Part no. 8T0959760C
Audi A5 8T Front Seat Control Module Unit Left Right N/O/S 8T0959760C
£51.95
Free delivery - Mon, Dec 01
If paid before 14:00
Part no. 8T0919888A
Audi S4 B8 GPS Navigator CD Player 8T0919888
£142.95
Free delivery - Mon, Dec 01
If paid before 14:00
Part no. 4E0955559F
Audi A6 C6 A8 D3 Q7 4L Front Windscreen Rain Light Solar Sensor Unit 4E0955559F
£66.95
Free delivery - Mon, Dec 01
If paid before 14:00
Part no. 8T0907560AC
Audi S5 8T 4.2 FSI CAUA Quattro 354HP Engine ECU Kit 8T0907560AC Ignition + Key
£474.95
Free delivery - Mon, Dec 01
If paid before 14:00
Part no. 8K0915181D
Audi Q7 4L A1 8X Negative Battery Cable Lead Monitoring Module 8K0915181D
£13.95
Free delivery - Mon, Dec 01
If paid before 14:00
Part no. 8K0959792S
Audi A4 B8 Front Door Control Module Unit ECU Passenger Side 8K0959792S
£13.95
Free delivery - Mon, Dec 01
If paid before 14:00
Part no. 06K907425AA-1
Audi S3 8Y 2.0 TFSI DNFF 333HP Quattro Engine Control Unit ECU 06K907425AA
£569.95
Free delivery - Mon, Dec 01
If paid before 14:00
Part no. 4M0906093L
Audi Q7 4M 3.0 TDI Fuel Pump Control Unit Module ECU 4M0906093L
£47.95
Free delivery - Mon, Dec 01
If paid before 14:00
Part no. 4F0915459
Audi A6 C6 Battery Positive Plus Pole Terminal Lead Overload 4F0915459
£13.95
Free delivery - Mon, Dec 01
If paid before 14:00
Part no. 8T0959795H
Audi A4 B8 Door Control Module Unit ECU Rear Left Right N/O/S 8T0959795H
£13.95
Free delivery - Mon, Dec 01
If paid before 14:00
Part no. 4G0035061J
Audi A7 4G A4 B8 A6 C7 Q5 8R Sat Navi Stereo Radio Audio Unit Player 4G0035061J
£237.95
Free delivery - Mon, Dec 01
If paid before 14:00
Part no. 8V4971030AE
Audi RS3 8V Front Passenger Door Wiring Harness Loom Cable Left N/S 8V4971030AE
£13.95
Free delivery - Mon, Dec 01
If paid before 14:00
Part no. 8W0941823
Audi A5 F5 Power Distribution Relay Fuse Box Battery 8W0941823
£18.95
Free delivery - Mon, Dec 01
If paid before 14:00
Part no. 4F0919148A
Audi S4 B8 TV Receiver Tuner 4F0919148A
£56.95
Free delivery - Mon, Dec 01
If paid before 14:00
Part no. 4M0035507
Audi A3 8V A4 B9 Telephone Antenna Amplifier Module Unit Booster 4M0035507
£13.95
Free delivery - Mon, Dec 01
If paid before 14:00
Part no. 8K0971228H
Audi A4 B8 3.0 TDI Starter Alternator Wiring Loom Cable Harness 8K0971228H
£18.95
Free delivery - Mon, Dec 01
If paid before 14:00
Part no. 8K0919475T
Audi A5 8T PDC Parking Distance Control Module Unit Valeo 8K0919475T
£47.95
Free delivery - Mon, Dec 01
If paid before 14:00
Part no. 3WA907007B
Audi A3 S3 8Y Air Conditioning Heater Module Control Unit 3WA907007B
£94.95
Free delivery - Mon, Dec 01
If paid before 14:00
Part no. 4G0971845A
Audi A6 C7 Fuse Relay Box Sam Control Module 4G0971845A
£13.95
Free delivery - Mon, Dec 01
If paid before 14:00
Part no. 8U0955559
Audi A1 8X A3 8V Windscreen Rain Sensor Control Unit 8U0955559
£18.95
Free delivery - Mon, Dec 01
If paid before 14:00
Part no. 1K2971615A
Audi A3 8P Engine Bay Wiring Holder Harness Loom Cable Guide Bracket 1K2971615A
£13.95
Free delivery - Mon, Dec 01
If paid before 14:00
Part no. 5Q0971228K
Audi A3 8V 1.5 TFSI DPCA Positive Battery Cable Lead Clamp Wire Loom 5Q0971228K
£13.95
Free delivery - Mon, Dec 01
If paid before 14:00
Part no. 5Q0915331K
Audi S3 8V Battery Tray Holder Mounting Bracket 5Q0915331K
£18.95
Free delivery - Mon, Dec 01
If paid before 14:00
Part no. 8K0959793M
Audi Q5 8R Front Door Module Control Unit ECU Driver's Side 8K0959793M
£18.95
Free delivery - Mon, Dec 01
If paid before 14:00
Part no. 4L0971014B
Audi Q7 4L Fuel Pump Wiring Harness Adapter Loom Electrical Line 4L0971014B
£13.95
Free delivery - Mon, Dec 01
If paid before 14:00
Part no. 4G8959793G
Audi RS6 C7 Front Door Module Driver's Side Control Unit ECU 4G8959793G
£13.95
Free delivery - Mon, Dec 01
If paid before 14:00
Part no. 8P0035613
Audi A3 8P Bluetooth Module Multimedia Control Unit Cover Unit 8P0035613
£18.95
Free delivery - Mon, Dec 01
If paid before 14:00
Part no. 1K0971250AP
Audi VW Seat Skoda Battery Alternator Cable Lead Ground Clamp 1K0971250AP
£13.95
Free delivery - Mon, Dec 01
If paid before 14:00
Part no. 8K0959792C
Audi A4 B8 Door Module Control Unit ECU Front Front Left N/S Side 8K0959792C
£13.95
Free delivery - Mon, Dec 01
If paid before 14:00
Part no. 4H0907553E
Audi A8L 4H Air Suspension Control Unit Module ECU 4H0907553E
£80.95
Free delivery - Mon, Dec 01
If paid before 14:00
Part no. 8W0959595H
Audi A5 F5 Rear Door Control Module Unit ECU Left Right N/O/S 8W0959595H
£13.95
Free delivery - Mon, Dec 01
If paid before 14:00
Part no. 4L0919283C
Audi A6 C6 Parking Control Unit ECU Module Sensor PDC 4L0919283C
£80.95
Free delivery - Mon, Dec 01
If paid before 14:00
Part no. 8J0959651
Audi A3 8P Air Module Crash Impact Sensor 8J0959651
£13.95
Free delivery - Mon, Dec 01
If paid before 14:00
Part no. 443937105B
VW Volkswagen Audi Skoda Seat Little Fuse Amp 30A 12V 443937105A
£13.95
Free delivery - Mon, Dec 01
If paid before 14:00
Part no. 04L907309AB
Audi Q3 8U 2.0 TDI DFUA 184HP Quattro Engine Control ECU 04L907309AB Automatic
£56.95
Free delivery - Mon, Dec 01
If paid before 14:00
Part no. RHD-8K2971845A-1
Audi A5 8T A4 B8 Fuse Box Relay Control Unit Module 8K2971845A
£13.95
Free delivery - Mon, Dec 01
If paid before 14:00
Part no. 8K0959501E
Audi A4 B8 Radiator Fan Relay Radiator Electrical Module Control Unit 8K0959501E
£32.95
Free delivery - Mon, Dec 01
If paid before 14:00
Part no. 4H0035446A
Audi A7 4G Antenna Signal Amplifier Control Unit ECU 4H0035446A
£13.95
Free delivery - Mon, Dec 01
If paid before 14:00
Part no. 4G0907401F-1
Audi A7 4G 3.0 TDI CDUC Quattro Engine ECU Kit BCM + Ignition + Key 04L907445F
£332.95
Free delivery - Tue, Dec 02
If paid before 14:00
Part no. 8J0907115N-1
Audi TT Mk2 8J 2.0 TFSI BWA 200HP Engine ECU Kit Ignition + Key 8J0907115N
£142.95
Free delivery - Mon, Dec 01
If paid before 14:00
Part no. RHD-8Y2919617A
Audi S3 8Y Head Up Display Dashboard Car System Screen 8Y2919617A
£398.95
Free delivery - Mon, Dec 01
If paid before 14:00
Part no. 8D0951253
Audi Q7 4L Relay Unit Module 4 Pins 8D0951253
£13.95
Free delivery - Mon, Dec 01
If paid before 14:00
Part no. RHD-4G0035666F-1
Audi S7 4G8 Multimedia Stereo Sat Nav CD Player Radio Head Unit 4G0035666F
£189.95
Free delivery - Mon, Dec 01
If paid before 14:00
Part no. 4KE907468J
Audi Q7 4M Gateway Interface Control Unit Module ECU 4KE907468J
£189.95
Free delivery - Mon, Dec 01
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 01
If paid before 14:00
Part no. 8R0959655G
Audi Q5 8R Air Module Control Unit SRS System ECU 8R0959655G
£18.95
Free delivery - Mon, Dec 01
If paid before 14:00
Part no. 04L907309AB-1
Audi Q3 8U 2.0 TDI DFTA 150HP Quattro Engine ECU Kit Ignition + Key 04L907309AB
£132.95
Free delivery - Tue, Dec 02
If paid before 14:00
Part no. 8P0862335S
Audi S3 8P Interface Bluetooth Control Module Harman Becker ECU 8P0862335S
£13.95
Free delivery - Mon, Dec 01
If paid before 14:00
Part no. 038906019LJ
Audi A4 B6 1.9 TDI 130HP AVF Diesel Engine Control Unit ECU 038906019LJ Manual
£75.95
Free delivery - Mon, Dec 01
If paid before 14:00
Part no. 8N0937550A
Audi TT 8N Battery Fuse Box Power Distribution 8N0937550A
Product currently unavailable
Part no. 03L906018DL-1
Audi Q5 8R 2.0 TDI Quattro 170HP CGLB Engine ECU Kit 03L906018DL Automatic
£237.95
Free delivery - Mon, Dec 01
If paid before 14:00
Part no. 09D927750FE
Audi Q7 4L 4.2 TDI Automatic Gearbox Transmission Control Module 09D927750FE
£18.95
Free delivery - Mon, Dec 01
If paid before 14:00
Part no. 8X0937124
Audi A1 8X Fuse Relay Box Module Control Unit 8X0937124
£13.95
Free delivery - Mon, Dec 01
If paid before 14:00
Part no. 8J0907376F
Audi TT 8J Suspension Damper Module Control Unit 8J0907376F
£51.95
Free delivery - Mon, Dec 01
If paid before 14:00
Part no. 8X0959793K
Audi A1 8X Door Module Front Right O/S Driver's Side Control Unit ECU 8X0959793K
£13.95
Free delivery - Mon, Dec 01
If paid before 14:00
Part no. RHD-5QC971111DG
Audi RSQ3 F3 Power Steering Rack Wiring Harness Loom Cable 5QC 971 111 DG
£56.95
Free delivery - Mon, Dec 01
If paid before 14:00
Part no. 059911024P
Audi A6 C7 A7 4G 2.0 TDI Starter Motor Diesel Engine Denso 059911024P
£37.95
Free delivery - Mon, Dec 01
If paid before 14:00
Part no. 4H0919275E-QGR
VW Audi Skoda Seat Rear Bumper PDC Sensor Parking Distance Quartz Grey - LY7G
£13.95
Free delivery - Mon, Dec 01
If paid before 14:00
Key components of vehicle electrical systems
Original electrical parts for popular car brands
A car's electrical system is a complex system responsible for many key functions—from engine starting to lighting and on-board electronics. Modern cars are equipped with increasingly advanced electrical solutions that not only improve driving comfort but also enhance safety. At the Global Parts automotive store you will find a wide range of used car parts , such as alternators, starters, batteries, control modules and other automotive electrical systems that perfectly fit BMW , Audi , Mercedes , Volkswagen , Mini and many others.
How does a car's electrical system work?
A car's electrical system is a complex system that consists of several key components that work together to ensure the vehicle's reliable operation:
- Battery accessories – Includes clamps, cables, holders and other components necessary for battery installation and maintenance.
- Electronic control modules and controllers – They control and manage the operation of various vehicle systems, such as the engine, air conditioning and ABS.
- Alternators and generators – Responsible for generating electricity and charging the battery while the engine is running.
- Parts for alternators and generators – Including voltage regulators, brushes and bearings that ensure proper operation of the alternator.
- Starters – Key components of the starting system that enable the engine to be started.
- Starter parts – Including bendixes, rotors and solenoids necessary for the proper operation of the starter.
- Batteries – They store the electrical energy necessary to start the engine and power on-board systems.
- Wires, harnesses and connectors – They transmit energy and electrical signals between various vehicle systems.
- Fuses and fuse boxes – Protect the electrical system against overloads and short circuits.
- Relays – They control the flow of current in individual electrical circuits of the vehicle. A functioning electrical system is the basis for the reliability of your car, regardless of operating conditions.
Key technical parameters of electrical systems
Each of these components has specific technical parameters that determine its compatibility with the vehicle. For example, alternators installed in mid-range cars (e.g., Volkswagen Passat B6) typically have a capacity of 90 A to 140 A, while luxury vehicles (e.g., Mercedes S-Class) require alternators with a capacity exceeding 180 A. Starter motors vary in torque and operating voltage – the standard is 12 V, while 24 V starters are used in heavy-duty vehicles.
Why is it worth taking care of your car's electrical system?
Regular maintenance and replacement of electrical system components is key to reliability and road safety. Faulty components can lead to:
- Problems starting the engine.
- Failure of safety systems such as ABS or airbags.
- Decreased efficiency of on-board equipment, e.g. lighting or air conditioning. At the Global Parts store we offer original used car parts , which have undergone detailed quality tests, ensuring their full functionality.
Symptoms of electrical system disruptions
In practice, electrical faults manifest themselves in a variety of ways. Drivers most often notice: dimming lights when parked, difficulty starting the engine, a voltage drop on the on-board computer, or air conditioning malfunctions. The table below presents typical correlations:
| Symptom | Possible cause | Item to check |
|---|---|---|
| Difficulty starting the engine | Worn out starter or battery | Starter motor, battery |
| Dimming the lights | Inefficient alternator | Alternator, voltage regulator |
| Electric windows not working | Damaged relays or harness | Relays, wires |
How to choose the right parts for your electrical system?
When choosing parts for the electrical system, such as alternators, starters or control modules, it is worth paying attention to:
- Vehicle-specific fit – Every car make and model requires specific specifications. At Global Parts, you'll find parts that perfectly fit BMW , Audi , Mercedes , Volkswagen , Mini, and many more .
- Technical condition – All used parts we offer are thoroughly checked to ensure their reliability.
- Technical parameters – For example, alternators should have appropriate current output, adapted to the needs of your vehicle.
Compatibility and fit
The selection of electrical parts is based primarily on OEM part numbers, but matching them to specific parameters is equally important, including current, voltage, and the number of connector pins. For example, the 120A alternator used in the Audi A4 B7 differs significantly from the 150A version installed in the Audi A6 C6 . Therefore, using manufacturer catalogs or providing the VIN makes finding the right component much easier.
Why choose used electrical parts?
Purchase of used car parts This solution allows you to combine savings with quality. Why choose it?
- Lower costs – Used alternators, starters and other parts are cheaper than new ones, but offer the same high quality.
- Ecology – You support recycling and reduce waste by choosing used car parts .
- Wide range – We offer electrical parts for the most popular car brands, so you can easily find what you need.
How to take care of your car's electrical system?
To ensure your electrical system operates reliably for years, it is worth remembering a few rules:
- Regularly check the battery condition and charge level.
- Take care of your cables and connectors – corrosion or damage can lead to voltage drops and failures.
- Monitor the operation of the alternator and starter – early detection of problems will help avoid more serious breakdowns. If you have any problems, you will find the right car parts at Global Parts that will help restore your vehicle to full working order.
Step-by-step control procedures
- Measure the battery voltage with a multimeter – the resting value should be approximately 12.6 V.
- Check the charging voltage with the engine running – the correct range is 13.8–14.5 V.
- Assess the condition of the wires and terminals – lack of corrosion and a firm seat are essential.
- If in doubt, check the quiescent current consumption – it should not exceed 0.05–0.08 A.
FAQ - Frequently asked questions about electrical systems in cars
| Question | Answer |
|---|---|
| What is a car electrical system? | This is a set of components responsible for powering and controlling all electrical functions in the car – from engine starting to multimedia. |
| What is an alternator for in a car? | The alternator generates electrical current when the engine is running and charges the battery. |
| What is the difference between a starter and an alternator? | The starter motor is used solely to start the engine, while the alternator is responsible for generating energy while driving. |
| How to check if the battery is working? | Just measure its voltage – a healthy battery should have approximately 12.6 V at rest and maintain a voltage above 10 V during cranking. |
| What are the most common symptoms of car electrical failure? | Problems starting the engine, flashing warning lights, power windows not working or dimming lights. |
| Do electrical parts from one model fit another? | Sometimes yes, but the key is to match it by VIN or OEM number – this guarantees compatibility. |
| How often should you check your electrical system? | It is worth performing basic diagnostics (battery, alternator) at least once a year or before a long trip. |
Summary: Automotive electrical systems at Global Parts Automotive Store
Automotive electrical systems are the foundation of the reliability and comfort of every modern vehicle. By choosing the right parts, such as alternators, batteries, and control modules, you can ensure your car's full operational efficiency. The Global Parts automotive store invites you to browse our wide selection of original used car parts . Whether you're looking for car parts for BMW , Audi , Volkswagen , Mercedes, Mini , or others, you'll find them at competitive prices. We strive to ensure every customer finds the right parts for their car, and if you have any questions or concerns about selecting the right components, we're happy to help! Please contact us – we're here to help! For more information and interesting facts, visit our automotive blog .