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. A2709000900-8
Mercedes W246 B180 270.910 122HP ECU Wiring Loom Harness Cable Plug A2709000900
PLN 94.95
Free delivery - Tue, Jan 13
If paid before 14:00
Part no. 3456365
Roof Security Alarm Mini R55 R56 One Ultra Sonic Module 3456365
PLN 94.95
Free delivery - Tue, Jan 13
If paid before 14:00
Part no. 6860936
BMW i3 I01 F45 F46 Control Unit SAS Module ECU 6860936
PLN 1,139.95
Free delivery - Tue, Jan 13
If paid before 14:00
Part no. 9163173
BMW E60 E61 LCi Right Left Rear Door Wiring Loom N/O/S 9120797
PLN 42.95
Delivery - Tue, Jan 13
If paid before 14:00
Part no. 8W2035043E
Audi A4 B9 MMI Multimedia Sat Nav Navigation Control Head Unit 8W2035043E
PLN 1,899.95
Free delivery - Tue, Jan 13
If paid before 14:00
Part no. 5M5T-14B192-EA-1
Ford Transit Custom Relay 4-Pin Black 12V 40A FOMOCO Set X2 5M5T-14B192-EA
PLN 61.95
Free delivery - Tue, Jan 13
If paid before 14:00
Part no. 7220891
BMW E91 LCI Control Unit Module Support Plate Bracket Carrier Holder 7220891
PLN 94.95
Free delivery - Tue, Jan 13
If paid before 14:00
Part no. 8K0907551
Audi A4 S4 B8 3.0 TFSI 333HP CAKA Quattro Engine Control Unit ECU 8K0907551
PLN 759.95
Free delivery - Tue, Jan 13
If paid before 14:00
Part no. A1635401230
Mercedes W163 Negative Battery Minus Terminal Lead Cable A1635401230
PLN 94.95
Free delivery - Tue, Jan 13
If paid before 14:00
Part no. 9474776
KaFAS Camera BMW F10 F20 LCI F30 Mini F55 F56 Control Unit ECU Module 9474776
PLN 189.95
Free delivery - Tue, Jan 13
If paid before 14:00
Part no. 95B919294C
Porsche Macan 95B PDC Parking Sensor Control Module Unit 95B919294C
PLN 702.95
Free delivery - Tue, Jan 13
If paid before 14:00
Part no. A2466200028
Mercedes W176 Battery Support Holder Bracket Mount A2466200028
PLN 42.95
Delivery - Tue, Jan 13
If paid before 14:00
Part no. A1775408457
Mercedes W118 W177 Alternator Earth Cable Wiring Harness Loom A1775408457
PLN 341.95
Free delivery - Tue, Jan 13
If paid before 14:00
Part no. 6921979
Door Module BMW E65 E66 E67 Front Door Control Unit Passenger Side 6921979
PLN 42.95
Delivery - Tue, Jan 13
If paid before 14:00
Part no. 9249080-2
Footwell Module BMW E84 Light Control Unit ECU Lear FRM3R PL2 9249080
PLN 569.95
Free delivery - Tue, Jan 13
If paid before 14:00
Part no. A9079001605
Mercedes W907 Central Gateway Control Unit Module Relay ECU A9079001605
PLN 1,424.95
Free delivery - Tue, Jan 13
If paid before 14:00
Part no. 7525434
Mini R52 R53 W11 Battery Cable Wire Harness Starter Base B 7525434
PLN 42.95
Delivery - Tue, Jan 13
If paid before 14:00
Part no. A0048273745
iPod Interface Mercedes W204 W207 W212 Module Control Unit ECU A0048273745
PLN 123.95
Free delivery - Tue, Jan 13
If paid before 14:00
Part no. 7253188
BMW E92 Sport Seat Left Right Thigh Support Heated Cover Trim Leather Dakota
PLN 113.95
Free delivery - Tue, Jan 13
If paid before 14:00
Part no. 8574351-3
BMW X1 E84 18d 18dX Diesel N47N 143HP Engine Unit ECU DDE 8574351 Automatic
PLN 379.95
Free delivery - Tue, Jan 13
If paid before 14:00
Part no. 4N0035446
Audi A3 RS3 8V Aerial Antenna Amplifier Control Module Unit 4N0035446
PLN 474.95
Free delivery - Tue, Jan 13
If paid before 14:00
Part no. 5K0035730
Seat Ibiza MK4 VW Golf MK6 Bluetooth Interface Control Module Unit 5K0035730
PLN 189.95
Free delivery - Tue, Jan 13
If paid before 14:00
Part no. 8X0971365
Audi A1 8X Driver's Seat Cable Seat Belt Warning Wiring Loom Harness 8X0971365
PLN 189.95
Free delivery - Tue, Jan 13
If paid before 14:00
Part no. 9231399
Camera Module BMW F01 F07 F10 F11 F12 Based Assist Systems Control Unit 9231399
PLN 94.95
Free delivery - Tue, Jan 13
If paid before 14:00
Part no. 7H0937617
Volkswagen Transporter T5 T30 Fuse And Relay Box Wiring Cable 7H0937617
PLN 75.95
Free delivery - Tue, Jan 13
If paid before 14:00
Part no. 4H0951253
Audi A3 8P Multi Use Control Module Relay 4 Pin Light Green Unit 4H0951253
PLN 42.95
Delivery - Tue, Jan 13
If paid before 14:00
Part no. 8573257-6
BMW F10 F11 520d Diesel N47N 184HP Engine Control Unit ECU DDE 8573257 Automatic
PLN 379.95
Free delivery - Tue, Jan 13
If paid before 14:00
Part no. A1649007000-1
Mercedes V251 SAM Body Control Module Rear Unit A1649007000
PLN 1,899.95
Free delivery - Tue, Jan 13
If paid before 14:00
Part no. 4H0971365J
Audi A8 D4 Seat Cable Front Left Right N/O/S Seatbelt Warning Wiring 4H0971365J
PLN 94.95
Free delivery - Tue, Jan 13
If paid before 14:00
Part no. 6866986
BMW F01 F02 LCI F06 F10 F11 F13 ECU ICM Control Unit Module Airbag 6866986
PLN 123.95
Free delivery - Tue, Jan 13
If paid before 14:00
Part no. 8470176-4
Mini Cooper D F55 F56 B37 1.5 116HP Engine ECU Kit DME BDC + Key 8470176 Manual
PLN 1,567.95
Free delivery - Tue, Jan 13
If paid before 14:00
Part no. A2465400308
Alternator Cable Mercedes W176 W246 OM651 Battery Prefuse Box A2465400308
PLN 94.95
Free delivery - Tue, Jan 13
If paid before 14:00
Part no. 9122100
BMW 1 Series E88 Mini Cooper R57 R59 Sat Nav GPS Antenna Amplifier 9122100
PLN 93.95
Free delivery - Tue, Jan 13
If paid before 14:00
Part no. 7L5035225T
Porsche Cayenne 9PA Aerial Antenna Amplifier Unit Rear Right O/S 7L5035225T
PLN 237.95
Free delivery - Tue, Jan 13
If paid before 14:00
Part no. 1J0971235S
Audi TT 8N HV Battery Negative Earth Terminal Harness Wiring Cable 1J0971235S
PLN 42.95
Delivery - Tue, Jan 13
If paid before 14:00
Part no. A2229004220
Mercedes GLC X253 Communication Module LTE Telephone Bluetooth A2229004220
PLN 664.95
Free delivery - Tue, Jan 13
If paid before 14:00
Part no. 9258350
Air Module BMW F20 F21 F22 F30 F31 F32 Control Unit ECU 9258350
PLN 61.95
Free delivery - Tue, Jan 13
If paid before 14:00
Part no. 6949450
BMW 5 Series E60 E61 Centre Console DSC PDC Switch Center Cluster 6949450
PLN 42.95
Delivery - Tue, Jan 13
If paid before 14:00
Part no. 8570848
Mini Cooper One D F54 F55 F56 F57 Engine Starter Motor Diesel Bosch 8570848
PLN 94.95
Free delivery - Tue, Jan 13
If paid before 14:00
Part no. 6857124
Crash Module BMW F01 F02 LCI F10 F11 F13 ICM Control Unit ECU 6857124
PLN 42.95
Delivery - Tue, Jan 13
If paid before 14:00
Part no. 6820526
Head Unit BMW F20 F21 Radio Media GPS Sat Navigation Unit 6820526
PLN 569.95
Free delivery - Tue, Jan 13
If paid before 14:00
Part no. 8602988
MINI F54 F55 F56 F57 F60 Cable Alternator Starter Wire 8602988
PLN 70.95
Free delivery - Tue, Jan 13
If paid before 14:00
Part no. A2118203375
Antenna Booster Mercedes W211 Rear Boot Lid Tailgate Amplifier A2118203375
PLN 47.95
Delivery - Tue, Jan 13
If paid before 14:00
Part no. A4479002405
Head Unit Mercedes W447 Radio Navigation Audio 15 Control Unit A4479002405
PLN 474.95
Free delivery - Tue, Jan 13
If paid before 14:00
Part no. 8E0959433CA
Audi A4 B7 Body Comfort Control BCM Supply Module Unit ECU 8E0959433CA
PLN 189.95
Free delivery - Tue, Jan 13
If paid before 14:00
Part no. 8W0971687AQ
Audi A4 B9 Door Wiring Loom Harness Rear Left Right N/O/S 8W0971687AQ
PLN 189.95
Free delivery - Tue, Jan 13
If paid before 14:00
Part no. 9119355
BMW E60 E61 E63 E81 E87 E90 E91 DAB Radio Tuner Module 9119355
PLN 123.95
Free delivery - Tue, Jan 13
If paid before 14:00
Part no. 6925642
BMW 5 6 Series E60 E61 E63 Reserve Fuse Carrier Housing 6925642
PLN 37.95
Delivery - Tue, Jan 13
If paid before 14:00
Part no. A2218704192
Mercedes W221 Air Condition Climate Control Module Unit A2218704192
PLN 42.95
Delivery - Tue, Jan 13
If paid before 14:00
Part no. 8W0907468J
Audi A4 B9 Gateway Control Unit Module ECU 8W0907468J
PLN 1,899.95
Free delivery - Tue, Jan 13
If paid before 14:00
Part no. P0396890
BMW 1 Series E82 Rear Bumper PDC Cables Wiring Loom Set 0396890
PLN 189.95
Free delivery - Tue, Jan 13
If paid before 14:00
Part no. 9167202
BMW E60 E61 LCI E63 E64 Body Gateway Module ECU Control Unit 9167202
PLN 42.95
Delivery - Tue, Jan 13
If paid before 14:00
Part no. A1679001520
Mercedes C118 W167 W177 W247 Ignition Control Module Unit ECU A1679001520
PLN 522.95
Free delivery - Tue, Jan 13
If paid before 14:00
Part no. A2058201201
Sunroof Wiring Mercedes C205 C238 Panoramic Motor Cable Harness A2058201201
PLN 75.95
Free delivery - Tue, Jan 13
If paid before 14:00
Part no. 8X0959795A
Audi A1 8X Q3 8U Rear Door Module Control Unit ECU 8X0959795A
PLN 42.95
Delivery - Tue, Jan 13
If paid before 14:00
Part no. 8S0915181A
Audi TT FV HV Battery Negative Terminal Cable Harness Loom Wiring 8S0915181A
PLN 42.95
Delivery - Tue, Jan 13
If paid before 14:00
Part no. 8474730
BMW F20 F21 F30 F31 LCI 120d 320d Diesel B47 190HP ECU DDE 8474730 Automatic
PLN 1,424.95
Free delivery - Tue, Jan 13
If paid before 14:00
Part no. A0038206326
Mercedes W221 Door Module Front Door Left N/S Control Module A0038206326
PLN 75.95
Free delivery - Tue, Jan 13
If paid before 14:00
Part no. 5Q0959435A
Volkswagen Golf CD1 Keyless Go Module ECU Entry Control Unit 5Q0959435A
PLN 61.95
Free delivery - Tue, Jan 13
If paid before 14:00
Part no. 8618444
BMW F30 LCI 330e B48X Cell Module Connector 8618444 61278618444
PLN 94.95
Free delivery - Tue, Jan 13
If paid before 14:00
Part no. 9294206
BMW F25 CD DVD Navigation Sat Nav Head Unit 9294206
PLN 332.95
Free delivery - Tue, Jan 13
If paid before 14:00
Part no. 9343317
Audio Amplifier BMW F20 F21 F22 Harman/Kardon Active Sound Design System 9343317
PLN 189.95
Free delivery - Tue, Jan 13
If paid before 14:00
Part no. 8C1T18K931AD
Ford Transit Mk7 V Radio CD Multimedia Player Head Unit ECU 8C1T-18K931-AD
PLN 1,519.95
Free delivery - Tue, Jan 13
If paid before 14:00
Part no. 8589158
Battery Cable BMW G01 G02 B47B B47D Alternator Base B+ Lead 8589158
PLN 94.95
Free delivery - Tue, Jan 13
If paid before 14:00
Part no. 070906016B
Volkswagen Phaeton 3D 5.0 V10 AJS 313HP Engine Control ECU 070906016B Automatic
PLN 379.95
Free delivery - Tue, Jan 13
If paid before 14:00
Part no. 8513250-3
BMW F10 F11 520d Diesel N47N 184HP Engine ECU Kit DDE 8513250 CAS4 Key Automatic
PLN 854.95
Free delivery - Tue, Jan 13
If paid before 14:00
Part no. 7L5971095J
Porsche Cayenne 9PA Front Bumper PDC Park Sensor Wiring Harness 7L5971095J
PLN 237.95
Free delivery - Tue, Jan 13
If paid before 14:00
Part no. A2059067200
Mercedes W205 S205 W213 Fuse Box Front Relay Control Unit Module A2059067200
PLN 47.95
Delivery - Tue, Jan 13
If paid before 14:00
Part no. A2059000219
Mercedes C117 W176 W205 Telematics Module Communication Control Unit A2059000219
PLN 94.95
Free delivery - Tue, Jan 13
If paid before 14:00
Part no. A2129003922-1
Mercedes W212 Fuse Box Rear SAM Relay Control Unit Module A2129003922
PLN 170.95
Free delivery - Tue, Jan 13
If paid before 14:00
Part no. 9124585-SED1
BMW E87 E90 PDC Parking Sensor Ultrasonic Set x4 Sedona Rot - A79
PLN 94.95
Free delivery - Tue, Jan 13
If paid before 14:00
Part no. 5Q0937084DR
Audi Q2 GA Body Control Comfort Unit Module BCM Unit ECU 5Q0937084DR
PLN 142.95
Free delivery - Tue, Jan 13
If paid before 14:00
Part no. 7634063
Gearbox Wiring BMW F10 F11 520i 528i N20 Automatic Engine Loom Harness 7634063
PLN 389.95
Free delivery - Tue, Jan 13
If paid before 14:00
Part no. DT1T14B321AG
Ford Transit Connect Mk2 II Air Module Control Unit ECU DT1T14B321AG
PLN 237.95
Free delivery - Tue, Jan 13
If paid before 14:00
Part no. 6826201
Junction Point BMW X5 F15 X6 F16 B + Battery Power Distributor 6826201
PLN 94.95
Free delivery - Tue, Jan 13
If paid before 14:00
Part no. 1K0971250AH
VW Golf Mk5 V Negative Battery Terminal Cable Wiring 1K0971250AH
PLN 47.95
Delivery - Tue, Jan 13
If paid before 14:00
Part no. 1K0971349CR
Skoda Octavia 1Z Audi A3 8P Alternator Wiring Harness Loom Cable 1K0971349CR
PLN 237.95
Free delivery - Tue, Jan 13
If paid before 14:00
Part no. A2129004206
Door Module Mercedes W212 E-Class Rear Right O/S Control Unit A2129004206
PLN 42.95
Delivery - Tue, Jan 13
If paid before 14:00
Part no. 4L0907290
Audi Q7 4L Gateway Convenience Module Unit Control ECU 4L0907290
PLN 75.95
Free delivery - Tue, Jan 13
If paid before 14:00
Part no. 8576341
BMW F20 F21 F30 F31 118d 318d 143HP N47N Engine Control ECU DDE 8576341 Manual
PLN 189.95
Free delivery - Tue, Jan 13
If paid before 14:00
Part no. 9250458
BMW X3 F25 Footwell Light Module Control Unit ECU FRM3 9250458
PLN 474.95
Free delivery - Tue, Jan 13
If paid before 14:00
Part no. 8585641
Engine Wiring BMW F20 F21 F30 F31 N47N Diesel Loom Harness Cable 8585641
PLN 142.95
Free delivery - Tue, Jan 13
If paid before 14:00
Part no. A2059009643
Mercedes W205 Telematics Bluetooth Module Control Unit ECU A2059009643
PLN 189.95
Free delivery - Tue, Jan 13
If paid before 14:00
Part no. 5Q0035874B
Skoda Octavia 5E MMI Multimedia SAT NAV Radio Stereo Head Unit 5Q0035874B
PLN 1,139.95
Free delivery - Tue, Jan 13
If paid before 14:00
Part no. A2139005223
SAM Module Mercedes W213 C238 Control Unit Front ECU A2139005223
PLN 142.95
Free delivery - Tue, Jan 13
If paid before 14:00
Part no. A1776203400
Mercedes W177 W247 Battery Bracket Mount Holder Support A1776265300
PLN 56.95
Delivery - Tue, Jan 13
If paid before 14:00
Part no. 6937515-9
BMW E87 E90 E91 Radiator Fan Cable Harness Loom Wiring 6937515
PLN 42.95
Delivery - Tue, Jan 13
If paid before 14:00
Part no. A2059006537
Mercedes C205 Coupe Air Bag Control Module ECU A2059006537
PLN 474.95
Free delivery - Tue, Jan 13
If paid before 14:00
Part no. A2129004718
Door Module Mercedes W212 Front Right Control Unit Module A2129004718
PLN 70.95
Free delivery - Tue, Jan 13
If paid before 14:00
Part no. 80C919616
Audi Q5 FY Multimedia Volume Control Button Switch Knob Head Unit 80C919616
PLN 94.95
Free delivery - Tue, Jan 13
If paid before 14:00
Part no. PEO118811
Mazda 6 GJ Relay 4-Pin Electrical Unit Multi-Purpose Relay Black ACVN51212
PLN 42.95
Delivery - Tue, Jan 13
If paid before 14:00
Part no. A2129002216
Mercedes W212 Display Screen Information Navigation Dashboard A2129002216
PLN 436.95
Free delivery - Tue, Jan 13
If paid before 14:00
Part no. A2465406607
Positive Cable Mercedes W176 W246 Battery Lead Plus Pole Red A2465406607
PLN 66.95
Free delivery - Tue, Jan 13
If paid before 14:00
Part no. 4N0907063ME
Audi Q7 4M Body Control Comfort Unit Module BCM Convenience Unit ECU 4N0907063ME
PLN 759.95
Free delivery - Tue, Jan 13
If paid before 14:00
Part no. A2711500420
Mercedes W204 M271 Solenoid SOLV Valve Wiring Harness Petrol A2711500420
PLN 113.95
Free delivery - Tue, Jan 13
If paid before 14:00
Part no. 9279824
Body Control BMW F20 F21 F30 F31 F32 Unit Module REM 9279824
PLN 81.95
Free delivery - Tue, Jan 13
If paid before 14:00
Part no. A2059003222
Door Module Mercedes W205 W253 Control Unit Module Front Right O/S A2059003222
PLN 94.95
Free delivery - Tue, Jan 13
If paid before 14:00
Part no. 8T0035223L
Audi A4 B8 A5 8T Audio Amplifier Sound Booster Control Unit Module 8T0035223L
PLN 807.95
Free delivery - Tue, Jan 13
If paid before 14:00
Part no. 8796289
BMW X3 G01 X4 G02 X5 G05 Battery Terminal Negative Cable Wire Wiring 8796289
PLN 123.95
Free delivery - Tue, Jan 13
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 .