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. A1729001405
Mercedes R172 Player Radio Audio Navi Head Unit A1729001405
£303.95
Free delivery - Wed, Dec 17
If paid before 14:00
Part no. 8691827-4
Mini Cooper F56 B38 136HP Petrol Engine Control Unit ECU DME 8691827 Automatic
£189.95
Free delivery - Wed, Dec 17
If paid before 14:00
Part no. 8582280-10
BMW F20 F30 F31 118d 318d N47N 143HP Engine Unit ECU DDE Kit 8582280 Manual
£142.95
Free delivery - Wed, Dec 17
If paid before 14:00
Part no. 8583423-9
Mini R60 Cooper SD N47N 143HP Engine ECU Kit DDE CAS3 + Key 8583423 Manual
£132.95
Free delivery - Wed, Dec 17
If paid before 14:00
Part no. 8K0907551-1
Audi S4 B8 3.0 TFSI 333HP CAKA Quattro Engine ECU Kit 8K0907551 Automatic
£208.95
Free delivery - Wed, Dec 17
If paid before 14:00
Part no. 8W0915101
Audi A4 B9 Voltage Converter Module Auxiliary Battery Unit 8W0915101
£132.95
Free delivery - Wed, Dec 17
If paid before 14:00
Part no. RHD-8T2035110C-1
Audi A4 B8 Disc CD Changer Player Reader System ESP PDC Switch 8T2035110C
£28.95
Free delivery - Wed, Dec 17
If paid before 14:00
Part no. 6822586-1
DAB Bluetooth BMW F10 LCI F20 F21 F30 F31 Head Control Unit Module Basic 6822586
£70.95
Free delivery - Wed, Dec 17
If paid before 14:00
Part no. 8V0907159
Audi A3 RS3 8V Impact Sound Actuator Body Control Unit Module ECU 8V0907159
£13.95
Free delivery - Wed, Dec 17
If paid before 14:00
Part no. 8E0959501R-1
Audi A4 B7 Engine Radiator Cooling Coolant Fan Control Unit Module 8E0959501R
£75.95
Free delivery - Wed, Dec 17
If paid before 14:00
Part no. 5Q0907530AF
Volkswagen Seat Skoda Audi Gateway Control Unit Module ECU 5Q0907530AF
£13.95
Free delivery - Wed, Dec 17
If paid before 14:00
Part no. 8519009-1
BMW X1 E84 20dX Diesel N47N 184HP Engine ECU Kit DDE 8519009 CAS3 Key Automatic
£132.95
Free delivery - Wed, Dec 17
If paid before 14:00
Part no. 06L907309
Audi A4 B9 2.0 TFSI DEMA 190HP Engine Control Unit ECU 06L907309 Automatic
£94.95
Free delivery - Wed, Dec 17
If paid before 14:00
Part no. 4E0035729C
Audi S4 B8 Bluetooth Interface MMI Multimedia Control Module ECU Unit 4E0035729C
£37.95
Free delivery - Wed, Dec 17
If paid before 14:00
Part no. 8T0907468AA
Audi S4 B8 Diagnostic Interface Gateway Control Module Unit ECU 8T0907468AA
£37.95
Free delivery - Wed, Dec 17
If paid before 14:00
Part no. 8H0907357A
Audi S4 B8 Front Lamp Headlight Luminance Control Module Unit ECU 8H0907357A
£28.95
Free delivery - Wed, Dec 17
If paid before 14:00
Part no. 4E0035785F
Audi S4 B8 MMI Multimedia AMI Interface Music Control Module Unit 4E0035785F
£137.95
Free delivery - Wed, Dec 17
If paid before 14:00
Part no. 8K9035225M
Audi S4 B8 Antenna Amplifier Aerial Module Control Unit Left N/S 8K9035225M
£13.95
Free delivery - Wed, Dec 17
If paid before 14:00
Part no. 4F0919148A
Audi S4 B8 TV Receiver Tuner 4F0919148A
£56.95
Free delivery - Wed, Dec 17
If paid before 14:00
Part no. 8T0919888A
Audi S4 B8 GPS Navigator CD Player 8T0919888
£142.95
Free delivery - Wed, Dec 17
If paid before 14:00
Part no. 8K0907064DS
Audi S4 B8 Comfort Convenience Module Control Unit ECU 8K0907064DS
£66.95
Free delivery - Wed, Dec 17
If paid before 14:00
Part no. 8519668-2
BMW E90 E91 LCI 320d N47N 163HP Engine Control Unit ECU DDE 8519668 Automatic
£47.95
Free delivery - Wed, Dec 17
If paid before 14:00
Part no. 8582279-7
BMW F30 F32 320d Engine Module Control Unit ECU DDE ed 420d N47N 163HP 8582279
£32.95
Free delivery - Wed, Dec 17
If paid before 14:00
Part no. 8582279-8
BMW F30 F32 F34 GT 320d 420d N47N 184HP Engine Module Unit ECU DDE 8582279
£42.95
Free delivery - Wed, Dec 17
If paid before 14:00
Part no. 1J0971235S
Audi TT 8N HV Battery Negative Earth Terminal Harness Wiring Cable 1J0971235S
£13.95
Free delivery - Wed, Dec 17
If paid before 14:00
Part no. 6836771
Bluetooth Module BMW F22 F23 F25 F32 F34 F82 Telematics Control Unit 6836771
£47.95
Free delivery - Wed, Dec 17
If paid before 14:00
Part no. 8574091-6
BMW F10 F11 520d N47N 184HP Engine ECU Kit Unit DDE 8574091 CAS4 + Key Manual
£142.95
Free delivery - Thu, Dec 18
If paid before 14:00
Part no. 4H0919604H-1
Audi A8L 4H Navigation Dashboard Display Hud Screen 4H0919604H
£142.95
Free delivery - Wed, Dec 17
If paid before 14:00
Part no. A6519009702-6
Mercedes W176 W246 A200d OM651.930 136HP Engine Unit ECU A6519009702 Manual
£75.95
Free delivery - Wed, Dec 17
If paid before 14:00
Part no. A1645400750
Mercedes ML W164 Battery Fuse Box Power Distribution A1645400750
£13.95
Free delivery - Wed, Dec 17
If paid before 14:00
Part no. 6935597-TS1
BMW E81 E87 Front Rear Parking Sensor PDC Titansilber Silver 354 6935597
£13.95
Free delivery - Wed, Dec 17
If paid before 14:00
Part no. A2469008710
Mercedes W176 Sat Navi MMI Multimedia Radio CD Head Unit A2469008710
£208.95
Free delivery - Wed, Dec 17
If paid before 14:00
Part no. 9361145-1
Mini Cooper One R55 R56 R57 LCI R58 R59 CHAMP 2 Navigation 9361145
£123.95
Free delivery - Wed, Dec 17
If paid before 14:00
Part no. 4H0971142C
Audi A8 D4 Door Card Wiring Loom Cable Harness Rear Right O/S 4H0971142C
£18.95
Free delivery - Wed, Dec 17
If paid before 14:00
Part no. 8R1035223A
Audi A4 B8 A5 8T Sound System Amplifier Control Module ECU 8R1035223A
£13.95
Free delivery - Wed, Dec 17
If paid before 14:00
Part no. 8573574-2
BMW F06 F12 F13 640d N57Z 313HP Engine Module ECU DDE Kit 8573574 Automatic
£237.95
Free delivery - Wed, Dec 17
If paid before 14:00
Part no. RHD-7285245-BS1
BMW F36 Wing Mirror Shadow Line Heated Left N/S Black Sapphire 475 7285245
£180.95
Free delivery - Wed, Dec 17
If paid before 14:00
Part no. 3457589
Mini Countryman R60 Footwell Light Control Unit Module High AHL EKS SZT 3457589
£113.95
Free delivery - Wed, Dec 17
If paid before 14:00
Part no. A2115400008
ABS Sensor Mercedes W211 C219 Front Brake Wiring Harness Right O/S A2115400006
£23.95
Free delivery - Wed, Dec 17
If paid before 14:00
Part no. A2661539679-1
Mercedes W169 W245 B170 M266.940 116HP Engine Control Unit Set A2661539679
£237.95
Free delivery - Wed, Dec 17
If paid before 14:00
Part no. A2118705726
Air Module Mercedes W211 C219 Air System Control Unit ECU A2118705726
£13.95
Free delivery - Wed, Dec 17
If paid before 14:00
Part no. 8K0907064BC
Audi A4 B8 Body Control Comfort Unit Module BCM Convenience Unit ECU 8K0907064BC
£47.95
Free delivery - Wed, Dec 17
If paid before 14:00
Part no. RHD-4G2971228S
Audi S7 4G8 4.0 TFSI Starter Alternator Wiring Loom Cable Harness 4G2971228S
£94.95
Free delivery - Wed, Dec 17
If paid before 14:00
Part no. A2048700185
Mercedes W204 Bluetooth Control Unit Module Media Interface ECU A2048700185
£85.95
Free delivery - Wed, Dec 17
If paid before 14:00
Part no. A2048700196-3
Mercedes W204 Radio Player COMAND Navi CD Head Unit A2048700196
£75.95
Free delivery - Wed, Dec 17
If paid before 14:00
Part no. 8572438
BMW F07 F10 F30 330d 520d N57N 184HP Engine Control ECU DDE 8572438 Automatic
£94.95
Free delivery - Wed, Dec 17
If paid before 14:00
Part no. 4H0919604H-2
Audi A8 4H Head Up Display Hud Project Screen Control Unit Module 4H0919604G
£170.95
Free delivery - Wed, Dec 17
If paid before 14:00
Part no. 8E0971073
Audi A4 B6 B7 8E Water Coolant Radiator Temperature Sensor Loom Wiring 8E0971073
£13.95
Free delivery - Wed, Dec 17
If paid before 14:00
Part no. 1J0971235R
Audi TT 8N Negative Battery Terminal Cable Wiring 1J0971235R
£13.95
Free delivery - Wed, Dec 17
If paid before 14:00
Part no. 8N0937550A
Audi TT 8N Battery Fuse Box Power Distribution 8N0937550A
£28.95
Free delivery - Wed, Dec 17
If paid before 14:00
Part no. 1J0906381B
Audi TT 8N Fuse Box Relay Control Unit Module 1J0906381B
£13.95
Free delivery - Wed, Dec 17
If paid before 14:00
Part no. 7422700
Smart Opener Module BMW F01 F07 F10 F30 Trunk Open Control Unit ECU 7422700
£32.95
Free delivery - Wed, Dec 17
If paid before 14:00
Part no. 7E0907652A
Audi TT 8J ESP YAW Rate Lateral Acceleration Speed Sensor 7E0907655A
£13.95
Free delivery - Wed, Dec 17
If paid before 14:00
Part no. 03G906016HS-1
Audi A6 C6 2.0 TDI BRE 140HP Engine Control Module ECU Set 03G906016HS Manual
£94.95
Free delivery - Wed, Dec 17
If paid before 14:00
Part no. 8K0959792
Audi A4 B8 Door Module Control Unit Module ECU Front Left N/S 8K0959792
£28.95
Free delivery - Wed, Dec 17
If paid before 14:00
Part no. 8P3907357B-1
Audi A3 S3 8P Headlight Range Module Xenon Lamp Control Unit ECU 8P3907357B
£13.95
Free delivery - Wed, Dec 17
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 - Wed, Dec 17
If paid before 14:00
Part no. 8W0035502C
Audi A4 B9 Wireless Charger Centre Console Phone Charging Module 8W0035502C
£94.95
Free delivery - Wed, Dec 17
If paid before 14:00
Part no. 8577834-3
BMW F30 F31 330d N57N 258HP Engine Control Moudle Unit ECU Kit DDE 8577834
£237.95
Free delivery - Wed, Dec 17
If paid before 14:00
Part no. 8N0906018BR
Audi TT 8N 1.8T AUQ 180HP Petrol Engine Module Unit ECU Kit 8N0906018BR Manual
£189.95
Free delivery - Wed, Dec 17
If paid before 14:00
Part no. 8N0937557
Audi TT 8N Tray Cover Battery Fuse Box Power Distribution 8N0937557
£32.95
Free delivery - Wed, Dec 17
If paid before 14:00
Part no. 05E907309CA-1
Audi A3 8Y 30 TFSI 1.5 DXDE 115HP Engine Module Control Unit 05E907309CA Manual
£237.95
Free delivery - Wed, Dec 17
If paid before 14:00
Part no. 8W0971104A
Audi A4 B9 Rear Bumper Cable PDC Parking Sensor Wiring Harness Loom 8W0971104A
£32.95
Free delivery - Wed, Dec 17
If paid before 14:00
Part no. RHD-A1715401906
Wiring Harness Mercedes SLK R171 Vario Power Steering Cable Line A1715401906
£18.95
Free delivery - Wed, Dec 17
If paid before 14:00
Part no. 7801203
BMW X5 E70 E87 F10 F11 F15 F25 F30 Diesel Engine Starter Motor 7801203
£13.95
Free delivery - Wed, Dec 17
If paid before 14:00
Part no. A1698209226
Door Control Module Mercedes W169 W245 Relay Unit Right Rear O/S A1698209226
£13.95
Free delivery - Wed, Dec 17
If paid before 14:00
Part no. 8P0907115AP
Audi S3 8P 2.0 TFSI CDLA 265HP Engine Control Module ECU 8P0907115AP Automatic
£132.95
Free delivery - Wed, Dec 17
If paid before 14:00
Part no. 9360369
Surround Camera BMW F25 F26 F15 F85 F16 F86 View Control Unit Module 9360369
£180.95
Free delivery - Wed, Dec 17
If paid before 14:00
Part no. 9328591
BMW X6 F16 Boot Trunk Lid Tailgate Wiring Loom Harness Cable 9328591
£23.95
Free delivery - Wed, Dec 17
If paid before 14:00
Part no. 8K0907401C
Audi A5 8T 3.0 TDI CCWA Quattro 240HP Engine Control ECU 8K0907401C Manual
£142.95
Free delivery - Wed, Dec 17
If paid before 14:00
Part no. 3451585-2
Instrument Panel Glass BMW X3 E83 Speedo Clocks Cluster Glass Covering Panel
£13.95
Free delivery - Wed, Dec 17
If paid before 14:00
Part no. 8T0907468K
Gateway Interface Audi A5 8T A4 B8 Control Unit Module ECU 8T0907468K
£13.95
Free delivery - Wed, Dec 17
If paid before 14:00
Part no. A1648207789
Mercedes W164 Aerial Antenna Amplifier A1648207789
£28.95
Free delivery - Wed, Dec 17
If paid before 14:00
Part no. 9231180
BMW F22 F30 F32 Antenna Amplifier AM FM Booster AMP 9231180
£18.95
Free delivery - Wed, Dec 17
If paid before 14:00
Part no. 8795479
Power Distribution BMW G11 G12 G20 G30 Fuse Box LIN Control Unit Module 8795479
£13.95
Free delivery - Wed, Dec 17
If paid before 14:00
Part no. Z280CSD
YUPITERU Z280Csd GPS Radar Detector SUPERCAT Z Series JAPAN
£37.95
Free delivery - Wed, Dec 17
If paid before 14:00
Part no. A2479008306
Windscreen Camera Mercedes W177 W205 W213 Front Windshield Cam Unit A2479008306
£37.95
Free delivery - Wed, Dec 17
If paid before 14:00
Part no. 9496815
Front Impact Sensor BMW F70 G05 G14 G15 G29 Safety Crash Module Unit 9496815
£13.95
Free delivery - Wed, Dec 17
If paid before 14:00
Part no. 7700844682A
Fuse Relay Renault Laguna Master Vauxhall Vivaro 4-Pin Fuse Unit 8200308271
£13.95
Free delivery - Wed, Dec 17
If paid before 14:00
Part no. 9318367
BMW F01 F02 F06 F07 GT F12 F13 CAS4 Control Unit Key Reading Module 9318367
£32.95
Free delivery - Wed, Dec 17
If paid before 14:00
Part no. 7928682
Radio Receiver BMW F40 F44 G20 G26 Radio Remote Control Unit 434 MHZ 7928682
£13.95
Free delivery - Wed, Dec 17
If paid before 14:00
Part no. 9300859
Fuel Tank Cable BMW X5 F15 SCR AdBlue Unit Adapter Wiring Harness Diesel 9300859
£18.95
Free delivery - Wed, Dec 17
If paid before 14:00
Part no. A6269010000-2
Mercedes W205 C200d 626.951 170HP Engine Unit ECU Kit A6269000000 Key + Ignition
£332.95
Free delivery - Wed, Dec 17
If paid before 14:00
Part no. 059971627D
Audi A6 C7 High Pressure Pump Fuel Line Electrical Wiring Harness 059971627D
£13.95
Free delivery - Wed, Dec 17
If paid before 14:00
Part no. A2709000900-5
Mercedes W176 A250 M270.920 BE 211HP Engine Control ECU A2709000900 Automatic
£237.95
Free delivery - Wed, Dec 17
If paid before 14:00
Part no. 8K5907551B-1
Audi S4 B8 3.0 TFSI CGWC 333HP Quattro Engine Control Module ECU Kit 8K5907551B
£493.95
Free delivery - Wed, Dec 17
If paid before 14:00
Part no. 4H0907601A
Audi S4 B8 Alarm Siren Body Sound Impact Actuator Speaker 4H0907601A
£28.95
Free delivery - Wed, Dec 17
If paid before 14:00
Part no. A6519002600-5
Mercedes W906 310CDI OM651.956 95HP Engine ECU Kit A6519002600 Key Lock Manual
£284.95
Free delivery - Wed, Dec 17
If paid before 14:00
Part no. 03L906018KD-2
Audi A4 B8 2.0 TDI Quattro CGLC 177HP Engine Control ECU Kit 03L906018KD Manual
£170.95
Free delivery - Wed, Dec 17
If paid before 14:00
Part no. A6519007401-8
Mercedes C204 C250CDI OM651.911 204HP BlueEFFICIENCY Engine ECU Unit A6519007401
£75.95
Free delivery - Wed, Dec 17
If paid before 14:00
Part no. 8W0906121B
Audi A4 B9 A5 F5 2.0 TDI Engine Fuel Pump Control Unit Module 8W0906121B
£13.95
Free delivery - Wed, Dec 17
If paid before 14:00
Part no. A6519009901-2
Mercedes C207 E220CDI BlueTec 170HP OM651.924 Engine Unit ECU Set A6519009901
£189.95
Free delivery - Wed, Dec 17
If paid before 14:00
Part no. A2469006910
Mercedes W176 Head Unit Radio Media Player Navigation A2469006910
£213.95
Free delivery - Wed, Dec 17
If paid before 14:00
Part no. 8W0941823
Audi A5 F5 Power Distribution Relay Fuse Box Battery 8W0941823
£18.95
Free delivery - Wed, Dec 17
If paid before 14:00
Part no. A6519005103-1
Mercedes GLA 220 X156 4matic 2.1L OM651.930 Engine Control Unit ECU A6519005103
£94.95
Free delivery - Wed, Dec 17
If paid before 14:00
Part no. 6887829
BMW M4 F32 F80 F82 VDC Adaptive Sport Suspension Module Control Unit 6887829
£42.95
Free delivery - Wed, Dec 17
If paid before 14:00
Part no. 4H0959591A
Audi A8 D4 4H Sunroof Wind Deflector Module Control Unit 4H0959591A
£23.95
Free delivery - Wed, Dec 17
If paid before 14:00
Part no. 4H0035225H
Audi A8 D4 Aerial Antenna Amplifier Diversity 04S 4H0035225H
£18.95
Free delivery - Wed, Dec 17
If paid before 14:00
Part no. 4H0035225E
Audi A8 D4 Aerial Antenna Amplifier Diversity 04S 4H0035225E
£18.95
Free delivery - Wed, Dec 17
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 .