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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Category
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Condition
In Stock
Price
Part no. 9338298
BMW F20 F21 F30 F33 KAFAS 2 Camera Lane Assist Module Control Unit ECU 9338298
£13.95
Free delivery - Wed, Dec 17
If paid before 14:00
Part no. 8R0915181
Audi Q5 8R Negative Battery Terminal Cable Wiring Battery 8R0915181
£13.95
Free delivery - Wed, Dec 17
If paid before 14:00
Part no. 6868254
BMW F33 ECU ICM Control Sensor Unit Air Module ECU 6868254
£37.95
Free delivery - Wed, Dec 17
If paid before 14:00
Part no. 8606306-6
BMW F30 320i N20 184HP ECU Kit Engine Control Unit DME 8606306 Key FEM Automatic
£474.95
Free delivery - Thu, Dec 18
If paid before 14:00
Part no. 8P0959655L
Audi A3 8P Air Module ECU Sensor Control Unit 8P0959655L
£13.95
Free delivery - Wed, Dec 17
If paid before 14:00
Part no. 8P0959802K
Audi A3 8P Door Window Lifter Regulator Motor Front Left N/S 8P0959802K
£18.95
Free delivery - Wed, Dec 17
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 - Wed, Dec 17
If paid before 14:00
Part no. 4L0035225AJ
Audi Q7 4L Radio Aerial Antenna Amplifier AM/FM 4L0035225AJ
£18.95
Free delivery - Wed, Dec 17
If paid before 14:00
Part no. 8P4035223B
Audi S3 8P Audio Sound BOSE Amplifier Stereo System Module 8P4035223B
£113.95
Free delivery - Wed, Dec 17
If paid before 14:00
Part no. 04L906021CK-1
Audi Q5 8R 2.0 TDI CNHA 190HP Engine ECU Kit 04L906021BG Automatic
£332.95
Free delivery - Wed, Dec 17
If paid before 14:00
Part no. 03L906018KD-1
Audi A4 B8 All Road 2.0 TDI CGLC 177HP Quattro Engine ECU Kit 03L906018KD Manual
£189.95
Free delivery - Thu, Dec 18
If paid before 14:00
Part no. 8R0971029AP
Audi Q5 8R Wiring Loom Front Door Left N/S Passenger Side 8R0971029AP
£37.95
Free delivery - Wed, Dec 17
If paid before 14:00
Part no. 8R0971035AP
Audi Q5 8R Wiring Loom Front Door Right O/S 8R0971035AP
£37.95
Free delivery - Wed, Dec 17
If paid before 14:00
Part no. 03L906018JM-1
Audi Q5 8R 2.0 TDI CGLC Quattro 177HP Engine Control ECU Kit 03L906018JM Manual
£189.95
Free delivery - Thu, Dec 18
If paid before 14:00
Part no. 4F7910401L-1
Audi A6 C6 2.7 TDI CANC Quattro 190HP Engine Control Unit ECU Kit 4F7910401L
£237.95
Free delivery - Thu, Dec 18
If paid before 14:00
Part no. 80A915181A
Audi Q5 8R Battery Earth Negative Terminal Cable Lead 80A915181A
£13.95
Free delivery - Wed, Dec 17
If paid before 14:00
Part no. 8K0907064KG
Audi Q5 8R Body Control Module ECU Control Unit 8K0907064KG
£37.95
Free delivery - Wed, Dec 17
If paid before 14:00
Part no. 8578995-1
BMW F10 520d F20 320d N47N 184HP Engine Module Unit ECU DDE Kit 8578995 Key Cas4
£142.95
Free delivery - Wed, Dec 17
If paid before 14:00
Part no. 7543157-6
BMW Z4 E85 2.2i M54 170HP Engine Control Module Unit ECU Set 7543157 Manual
£189.95
Free delivery - Thu, Dec 18
If paid before 14:00
Part no. 8E0907500
Audi A4 S4 B6 Fuse Box Holder Support Mounting 8E0907500
£13.95
Free delivery - Wed, Dec 17
If paid before 14:00
Part no. 06H971627
Audi A5 8T 2.0 TFSI Petrol Fuel Injectors Wiring Cable Harness 06H971627
£28.95
Free delivery - Wed, Dec 17
If paid before 14:00
Part no. 7355073
BMW F10 F11 LCI Xenon Adaptive Headlight Ballast Control Module Unit 7355073
Product currently unavailable
Part no. 8R0971104CC
Audi Q5 8R Rear Bumper PDC Parking Sensor Wiring Harness Loom 8R0971104CC
£37.95
Free delivery - Wed, Dec 17
If paid before 14:00
Part no. 02E911024M
Audi A3 8V 2.0 TFSI DJHA Starter Motor 12V 02E911024M
£18.95
Free delivery - Wed, Dec 17
If paid before 14:00
Part no. 5Q0971230FP
Battery Cable Audi A3 8V Starter Alternator Wiring Harness 5Q0971230FP
£13.95
Free delivery - Wed, Dec 17
If paid before 14:00
Part no. 8R0035223G
Speaker Amplifier Audi A4 B8 A5 8T Stereo Radio Sound System Amp 8R0035223G
£13.95
Free delivery - Wed, Dec 17
If paid before 14:00
Part no. RHD-8R2035186
Audi A4 B8 A5 8T Multimedia Radio CD Player Unit 8R2035186
£61.95
Free delivery - Wed, Dec 17
If paid before 14:00
Part no. A0045467840
Distributor Box Mercedes W169 W245 Connector Block Control Unit A0045467840
£13.95
Free delivery - Wed, Dec 17
If paid before 14:00
Part no. A1645450201
Fuse Box Mercedes ML W164 W251 OM642 Diesel Relay Module Unit A1645450201
£13.95
Free delivery - Wed, Dec 17
If paid before 14:00
Part no. A1649064000
Mercedes ML W164 GLK X204 CD GPS Player Radio Audio Head Unit A1649064000
£151.95
Free delivery - Wed, Dec 17
If paid before 14:00
Part no. A1649005001
Mercedes ML W164 Sam Control Module Fuse Box Unit A1649005001
£522.95
Free delivery - Wed, Dec 17
If paid before 14:00
Part no. A1648202715
Electrical Wiring Cable Mercedes W164 W251 Radio Media Interface A1648202715
£23.95
Free delivery - Wed, Dec 17
If paid before 14:00
Part no. 03L906018KP
Audi TT 8J CFGB 2.0 TDI Quattro 170HP Engine ECU Kit 03L906018KP Automatic
£123.95
Free delivery - Wed, Dec 17
If paid before 14:00
Part no. A6519007401-7
Mercedes W212 E250 CDI OM651.924 204HP Engine ECU Kit A6519007401 Ignition Keys
£189.95
Free delivery - Wed, Dec 17
If paid before 14:00
Part no. A2049061002-3
Mercedes W204 Radio CD Player COMAND Stereo Sat Nav Head Unit A2049061002
£142.95
Free delivery - Wed, Dec 17
If paid before 14:00
Part no. A2075401650-1
Mercedes W204 Fuse Prefuse Box Relay Electrical Control Unit A2075401650
£47.95
Free delivery - Wed, Dec 17
If paid before 14:00
Part no. A2709000900-4
Mercedes W176 A45 4Matic M133.980 381HP Engine Control ECU A2709000900 Automatic
£474.95
Free delivery - Thu, Dec 18
If paid before 14:00
Part no. 8519005
BMW X1 E84 18dX Diesel N47N 143HP Engine Control Unit ECU DDE 8519005 Manual
£94.95
Free delivery - Wed, Dec 17
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 - Wed, Dec 17
If paid before 14:00
Part no. 4F5035225M
Audi S6 C6 Radio Aerial Antenna Amplifier FM 4F5035225M
£13.95
Free delivery - Wed, Dec 17
If paid before 14:00
Part no. 4E0910110E
Audi S6 C6 6-Disc CD Changer Magazine Head Unit MMI 4E0910110E
£32.95
Free delivery - Wed, Dec 17
If paid before 14:00
Part no. NTG40-232-008
Mercedes W204 Radio Head Unit Screen Android Apple CarPlay NTG 4.0 232-008
£237.95
Free delivery - Wed, Dec 17
If paid before 14:00
Part no. 4F1971030AK
Audi A6 S6 C6 Front Passenger Door Wiring Left N/S Harness Cable 4F1971030AK
£18.95
Free delivery - Wed, Dec 17
If paid before 14:00
Part no. 06J903023H
Volkswagen Golf Mk7 5G Alternator Generator 2.0 TFSI CHHA 06J903023H
£23.95
Free delivery - Wed, Dec 17
If paid before 14:00
Part no. 8707750
BMW F20 F21 F22 F23 F87 M2 Body Domain Controller BDC Module FEM 8707750
£237.95
Free delivery - Thu, Dec 18
If paid before 14:00
Part no. 8K0959795A
Audi A4 B8 Rear Door Module Control Unit ECU Left N/S 8K0959795A
£13.95
Free delivery - Wed, Dec 17
If paid before 14:00
Part no. 06K907425B-6
Audi S3 8V 2.0 TFSI DJHA 310HP Quattro Engine ECU Kit 06K907425B 2 Key Lock
£227.95
Free delivery - Wed, Dec 17
If paid before 14:00
Part no. 4F0941824
Audi S6 C6 Wirie Cable Fuse Box Holder Support 4F0941824
£13.95
Free delivery - Wed, Dec 17
If paid before 14:00
Part no. 4F5035225R
Audi A6 4F Radio Aerial Antenna Amplifier FM 4F5035225R
£13.95
Free delivery - Wed, Dec 17
If paid before 14:00
Part no. 4F0907335
Audi S6 C6 Entry Keyless Kessy Control Module Unit ECU 4F0907335
£13.95
Free delivery - Wed, Dec 17
If paid before 14:00
Part no. 4F0971589A
Audi S6 C6 Steering Wheel Multifunction Wiring Loom 4F0971589A
£18.95
Free delivery - Wed, Dec 17
If paid before 14:00
Part no. 8T0035570
Audi A6 C6 Interference Disturbance Suppressor Filter Module 8T0035570
£13.95
Free delivery - Wed, Dec 17
If paid before 14:00
Part no. 4F0907247
Audi A6 C6 Keyless KESSY Entry Amplifier Box Module Aerial Antenna 4F0907247
£13.95
Free delivery - Wed, Dec 17
If paid before 14:00
Part no. 4F0035223G
Audi S6 C6 Bose Audio Speaker System Amplifier 9339415
£94.95
Free delivery - Wed, Dec 17
If paid before 14:00
Part no. 4E0910148B
Audi S6 C6 MMI Multimedia TV Tuner Receiver Control Module Unit ECU 4E0910148B
£80.95
Free delivery - Wed, Dec 17
If paid before 14:00
Part no. A2469000005
Mercedes W176 PDC Parking Distance Control Module Unit A2469000005
£56.95
Free delivery - Wed, Dec 17
If paid before 14:00
Part no. A2469000012-2
Mercedes W176 W246 Radio Head Unit COMAND Navi Player Control Unit A2469000012
£142.95
Free delivery - Wed, Dec 17
If paid before 14:00
Part no. 7649090-2
Mini F54 F55 F56 F57 F60 Petrol Engine Starter Actuator Motor Lucas LRT00234
£47.95
Free delivery - Wed, Dec 17
If paid before 14:00
Part no. 9844144
Mini Cooper F55 F56 B38 136HP Engine Control Unit ECU DME 9844144 Manual
£170.95
Free delivery - Wed, Dec 17
If paid before 14:00
Part no. 8512415-12
Mini Cooper SD R60 ALL4 N47N 143HP Engine Control Unit ECU DDE 8512415 Automatic
£56.95
Free delivery - Wed, Dec 17
If paid before 14:00
Part no. A6519007500-24
Mercedes W204 C200 CDI 651.913 136HP Engine Unit ECU Kit A6519007500 Manual
£37.95
Free delivery - Wed, Dec 17
If paid before 14:00
Part no. 8K5907115
Audi A4 B8 A5 8T 2.0 TFSI CDNC Quattro 211HP Engine Control Unit ECU 8K5907115
£265.95
Free delivery - Wed, Dec 17
If paid before 14:00
Part no. 6822094
Mini F54 F55 F56 F57 Radio Sat Nav DAB Basic Media Player Head Unit 6822094
£170.95
Free delivery - Wed, Dec 17
If paid before 14:00
Part no. 4F0051510K
Audi Cable Adapter iPod Connection 4F0051510K
£13.95
Free delivery - Wed, Dec 17
If paid before 14:00
Part no. 8R0907468F
Audi A5 8T Diagnostic Interface Gateway Control Module Unit ECU 8R0907468F
£13.95
Free delivery - Wed, Dec 17
If paid before 14:00
Part no. A7731-21-016
Iveco Eurocargo VLU Transportation Control Module Unit ECU Siemens A7731-21-016
£75.95
Free delivery - Wed, Dec 17
If paid before 14:00
-40%
Part no. 8W0971687AQ
Audi A4 B9 Door Wiring Loom Harness Rear Left Right N/O/S 8W0971687AQ
Promo price
£28.95
£17.37
Free delivery - Wed, Dec 17
If paid before 14:00
Part no. A2125400072
Mercedes W212 Fuse Box Housing Relay Unit Module A2125400072
£32.95
Free delivery - Wed, Dec 17
If paid before 14:00
Part no. 7361970
Trunk Function Module BMW F10 F10 LCI Tailgate Boot Control Unit ECU 7361970
£47.95
Free delivery - Wed, Dec 17
If paid before 14:00
Part no. 5B5D695
Mini Body Domain Controller BDC Module Unit LR01 ECU 8736964
£66.95
Free delivery - Wed, Dec 17
If paid before 14:00
Part no. 8P0959801F
Audi A3 8P Door Window Lifter Regulator Motor Front Right O/S 8P0959801F
£28.95
Free delivery - Wed, Dec 17
If paid before 14:00
Part no. 8P0959802F
Audi A3 8P Door Window Lifter Regulator Motor Front Left N/S 8P0959802F
£28.95
Free delivery - Wed, Dec 17
If paid before 14:00
Part no. A2129000004-2
SAM Module Mercedes W212 Fuse Box Relay Control Unit A2129000004
£32.95
Free delivery - Wed, Dec 17
If paid before 14:00
Part no. 4G0907468AB
Audi A6 C7 Gateway Module Control Unit ECU 4G0907468AB
£85.95
Free delivery - Thu, Dec 18
If paid before 14:00
Part no. 8511385-4
BMW F10 F11 530d N57 245HP Control Unit ECU Kit DDE 8511385 CAS4 Keys Automatic
£265.95
Free delivery - Wed, Dec 17
If paid before 14:00
Part no. 8510137-2
BMW F10 F11 520d N47N 184HP Engine ECU Kit DDE 8510137 CAS 4 + Key Automatic
£142.95
Free delivery - Wed, Dec 17
If paid before 14:00
Part no. 04E906016J-1
Audi A3 8V 1.4 TFSI CMBA 122HP Engine ECU Kit 04E906016J + Key + Ignition Manual
£94.95
Free delivery - Wed, Dec 17
If paid before 14:00
Part no. 8E1910115A-1
Audi A4 B7 2.0 TFSI BWE 200HP Engine Control Unit ECU 8E1910115A Manual
£94.95
Free delivery - Wed, Dec 17
If paid before 14:00
Part no. 4G8959795J
Audi A7 4G8 Rear Door Module Control Module Unit Left Right N/O/S 4G8959795J
£13.95
Free delivery - Wed, Dec 17
If paid before 14:00
Part no. 04L907309R-2
Audi A3 8V 1.6 TDI 110HP DBKA Engine ECU 04L907309R Manual
£28.95
Free delivery - Wed, Dec 17
If paid before 14:00
Part no. 8586536-7
BMW F07 GT F10 F11 535d F13 640d LCI N57Z 313HP Engine ECU DDE 8586536 Automatic
£142.95
Free delivery - Wed, Dec 17
If paid before 14:00
Part no. 4G0907401S
Audi A7 4G 3.0 TDI CDUD Quattro Engine ECU Kit 4G0907401S BCM + Ignition + 2 Key
£379.95
Free delivery - Wed, Dec 17
If paid before 14:00
Part no. 8H0919475AB
AUDI A7 4G8 Parking Assist Sensors Distance Control Module 8H0919475AB
£61.95
Free delivery - Wed, Dec 17
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 - Wed, Dec 17
If paid before 14:00
Part no. A2129001900
Mercedes W164 W204 W221 W251 Fuel Pump Module Control Unit A2129001900
£32.95
Free delivery - Wed, Dec 17
If paid before 14:00
Part no. 8K1907401K
Audi A4 B8 8K A5 8T 2.7 TDI 190HP CGKA Engine Control ECU 8K1907401K Automatic
£75.95
Free delivery - Wed, Dec 17
If paid before 14:00
Part no. 8596362-6
BMW F20 120d F30 320d F36 420d LCI B47 190HP Engine ECU Kit 8596362 FEM + 2 Keys
£303.95
Free delivery - Wed, Dec 17
If paid before 14:00
Part no. 9346806
BMW F01 F02 F03 LCI F06 F10 F13 Antenna Amplifier Diversity 868 MHZ 9346806
£51.95
Free delivery - Wed, Dec 17
If paid before 14:00
Part no. 6799576
BMW F10 F11 ICM Control Module Unit 6799576
£13.95
Free delivery - Wed, Dec 17
If paid before 14:00
Part no. A2129009622-1
Mercedes W212 Rear SAM Control Unit Module A2129009622
£23.95
Free delivery - Wed, Dec 17
If paid before 14:00
Part no. RHD-9865043
Head Up Display BMW F30 F31 Hud Projector Dash Screen Control Module 9865043
£75.95
Free delivery - Wed, Dec 17
If paid before 14:00
Part no. 3Q0907338
Audi S3 8V Front Headlight Lamp Range Control Module ECU 3Q0907338
£13.95
Free delivery - Wed, Dec 17
If paid before 14:00
Part no. 9282030
Radio Player BMW F10 F11 Alpine CD Champ Head Unit Controller 9282030
£66.95
Free delivery - Wed, Dec 17
If paid before 14:00
Part no. 8K0959655Q
Audi A4 B8 SRS Air Module Control Unit ECU 8K0959655Q
£161.95
Free delivery - Wed, Dec 17
If paid before 14:00
Part no. 6866988
Control Unit BMW F06 F07 GT F11 F12 F13 SRS Control Module Bag Unit 6866988
£232.95
Free delivery - Wed, Dec 17
If paid before 14:00
Part no. 8V1035035D
Audi S3 8V Sat Navi MMI Multimedia Radio SD Reader Head Unit Harman 8V1035035D
£398.95
Free delivery - Wed, Dec 17
If paid before 14:00
Part no. 5Q0971250N
Audi A3 8V Volkswagen VW Golf Mk7 Negative Cable Ground Wire Harness 5Q0971250N
£13.95
Free delivery - Wed, Dec 17
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 - Wed, Dec 17
If paid before 14:00
Part no. 04L906021BQ
Audi A4 B8 Engine Control Unit Module ECU 2.0 TDI CNHC 163HP 04L906021BQ
£47.95
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 .