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. 5N0035341B
Volkswagen Golf 5 Multimedia Interface Module Box 5N0035341B
PLN 42.95
Delivery - Tue, Jan 13
If paid before 14:00
Part no. 8486560
BMW F40 Steptronic Double Clutch Gearbox Transmission Control Module 8486560
PLN 1,139.95
Free delivery - Tue, Jan 13
If paid before 14:00
Part no. A1679004712
Bluetooth Module Mercedes W205 W213 W222 W238 Control Unit ECU A1679004712
PLN 94.95
Free delivery - Tue, Jan 13
If paid before 14:00
Part no. A1728202989
Mercedes SLK R172 Roadster Antenna Amplifier Control Module A1728202989
PLN 85.95
Free delivery - Tue, Jan 13
If paid before 14:00
Part no. 3D0971235AD
VW Volkswagen Phaeton Mk1 Battery Negative Terminal Wire Cable 3D0971235AD
PLN 61.95
Free delivery - Tue, Jan 13
If paid before 14:00
Part no. A2469060093
Fuse Box Mercedes W176 OM607 Front Relay Control Unit Module A2469060093
PLN 94.95
Free delivery - Tue, Jan 13
If paid before 14:00
Part no. 9244417
Mini Navigation Head Unit R55 R56 R57 LCI R60 R61 CHAMP 2 Sat Nav DAB 9244417
PLN 1,282.95
Free delivery - Tue, Jan 13
If paid before 14:00
Part no. 5QA919283A
Audi A3 S3 8V VW Golf 7 Seat Leon 3 Parking Assist PDC Control Module 5QA919283A
PLN 123.95
Free delivery - Tue, Jan 13
If paid before 14:00
Part no. A2129004518
Door Control Unit Mercedes W204 W207 W212 Front Left N/S Module ECU A2129004518
PLN 61.95
Free delivery - Tue, Jan 13
If paid before 14:00
Part no. 8V7035225B
Audi A3 8V Antenna Amplifier Rear Right O/S 8V7035225B
PLN 94.95
Free delivery - Tue, Jan 13
If paid before 14:00
Part no. A0035421019-1
Mercedes C117 GLA X156 ML W166 W176 W246 Relay 5 Pins Yellow Set A0035421019
PLN 94.95
Free delivery - Tue, Jan 13
If paid before 14:00
Part no. A2034400033-2
Mercedes CLC CL203 Wiring Loom Cable Door Front Left Right N/O/S A2034400033
PLN 47.95
Delivery - Tue, Jan 13
If paid before 14:00
Part no. 6766003
BMW X3 E83 Z4 E85 E86 Fuel Pump Module Control Unit 6766003
PLN 42.95
Delivery - Tue, Jan 13
If paid before 14:00
Part no. A2479002513
Telematic Control Module Mercedes W447 W907 W910 Telematics Unit A2479002513
PLN 474.95
Free delivery - Tue, Jan 13
If paid before 14:00
Part no. A1765406708
Mercedes W176 Door Harness Loom Cable Wiring Rear Left Right N/O/S A1765406708
PLN 85.95
Free delivery - Tue, Jan 13
If paid before 14:00
Part no. 9176884
BMW E93 ECU Body Control Module H3 Junction Box 61359176884 9176884
PLN 75.95
Free delivery - Tue, Jan 13
If paid before 14:00
Part no. 4F9971085E
Audi A6 C6 Avant Rear Bumper PDC Wiring Loom Parking Sensor 4F9971085E
PLN 142.95
Free delivery - Tue, Jan 13
If paid before 14:00
Part no. 6809052
BMW F20 F21 F30 F31 F32 Rear Body Control Unit Module REM 6809052
PLN 94.95
Free delivery - Tue, Jan 13
If paid before 14:00
Part no. 7990758-CAR
BMW F33 PDC Ultrasonic Parking Sensor PDC 7990758 Carbonschwarz Metallic - 416
PLN 142.95
Free delivery - Tue, Jan 13
If paid before 14:00
Part no. 2GA035284B
Audi Q2 GA Online Services Control Module ECU Unit 2GA035284B
PLN 569.95
Free delivery - Tue, Jan 13
If paid before 14:00
Part no. 9150889
BMW E81 E87 LCI Front PDC Parking Distance Control Loom Wiring 9150889
PLN 189.95
Free delivery - Tue, Jan 13
If paid before 14:00
Part no. A1408207126
Mercedes C140 Blinker Hazard Trailer Relay Module Control Unit A1408207126
PLN 949.95
Free delivery - Tue, Jan 13
If paid before 14:00
Part no. A2469008516
Parking Brake Module Mercedes W176 W246 Electric Control Unit ECU A2469008516
PLN 66.95
Free delivery - Tue, Jan 13
If paid before 14:00
Part no. 09D927750FA
Volkswagen Touareg 7L Automatic Gearbox Module Control Unit ECU 09D927750FA
PLN 142.95
Free delivery - Tue, Jan 13
If paid before 14:00
Part no. 8601245
Earth Ground Cable BMW i3 I01 Hybrid Rex Electric Engine Wiring 8601245
PLN 75.95
Free delivery - Tue, Jan 13
If paid before 14:00
Part no. A0009004839
Mercedes C118 W177 C247 Battery Control Module Unit ECU A0009004839
PLN 1,519.95
Free delivery - Tue, Jan 13
If paid before 14:00
Part no. 1K0971250AL
Audi A3 8P Negative Battery Terminal Cable Wiring Battery Wire 1K0971250AL
PLN 42.95
Delivery - Tue, Jan 13
If paid before 14:00
Part no. 4E0910441-1
AUDI A8 S8 D3 Reversing Camera Control Module Rear View Unit ECU 4E0910441
PLN 569.95
Free delivery - Tue, Jan 13
If paid before 14:00
Part no. A1679001420
Central Locking Module Mercedes C118 W177 Door Lock Control Unit A1679001420
PLN 379.95
Free delivery - Tue, Jan 13
If paid before 14:00
Part no. 6921980
BMW 7 Series E65 E66 Control Unit Door Rear Passenger Side
PLN 42.95
Delivery - Tue, Jan 13
If paid before 14:00
Part no. 03C903024F
Alternator Audi A3 8P VW Passat B7 Engine Generator 1.4 TSI 03C903024F
PLN 237.95
Free delivery - Tue, Jan 13
If paid before 14:00
Part no. 8506281-5
BMW E87 E90 LCI 116d 316d Diesel N47 ECU KIT Engine DDE 8506281 CAS3 Key Manual
PLN 379.95
Free delivery - Tue, Jan 13
If paid before 14:00
Part no. 5Q0907530AC
Volkswagen Golf Mk7 Gateway Control Unit Module 5Q0907530AA
PLN 75.95
Free delivery - Tue, Jan 13
If paid before 14:00
Part no. 7951288
BMW F20 F30 F31 Mini F55 F56 F60 Control Unit Air Conditioning Module 7951288
PLN 94.95
Free delivery - Tue, Jan 13
If paid before 14:00
Part no. 80A907247
Audi SQ5 FY Line Keyless Entry Antenna Control Module 80A907247
PLN 42.95
Delivery - Tue, Jan 13
If paid before 14:00
Part no. 9297282-1
BMW E63 E64 Battery Power Cable Lead Positive Underfloor Red 9297282
PLN 142.95
Free delivery - Tue, Jan 13
If paid before 14:00
Part no. 6861026
BMW I01 F45 F46 Mini F55 F56 Parking Assistant PDC Control Unit Module 6861026
PLN 61.95
Free delivery - Tue, Jan 13
If paid before 14:00
Part no. 7188557
BMW F10 S63N Control Unit Fuel Pump 7188557
PLN 1,424.95
Free delivery - Tue, Jan 13
If paid before 14:00
Part no. A2135400329
Mercedes X253 Electrical Wiring Harness Cable Hybrid A2135400329
PLN 379.95
Free delivery - Tue, Jan 13
If paid before 14:00
Part no. 076906022N-2
VW Crafter Mk1 2E 2.5 TDI CEBB 109HP Engine Control ECU Kit 076906022N Manual
PLN 1,519.95
Free delivery - Tue, Jan 13
If paid before 14:00
Part no. 9324781
BMW F20 F21 F22 F30 F31 F32 F36 Module Control Unit FEM 9324781
PLN 284.95
Free delivery - Tue, Jan 13
If paid before 14:00
Part no. 6958449
BMW 7 Series E65 E66 E67 Control Unit Door Rear Driver Side 61356958449 6958449
PLN 42.95
Delivery - Tue, Jan 13
If paid before 14:00
Part no. A2465400340
Mercedes W176 Fuse Relay Box Unit A2465400340 A2469067200
PLN 94.95
Free delivery - Tue, Jan 13
If paid before 14:00
Part no. 4F0959793E
VW Volkswagen Tiguan 5N Front Right O/S Door ECU Module Control Unit 4F0959793E
PLN 66.95
Free delivery - Tue, Jan 13
If paid before 14:00
Part no. A0045452905
Mercedes Relay Fuse Unit Module 4 Pins Grey A0045452905
PLN 42.95
Delivery - Tue, Jan 13
If paid before 14:00
Part no. 8K0907064FF
Audi A4 S4 B8 Body Control Comfort Unit Module BCM2 Unit ECU 8K0907064FF
PLN 474.95
Free delivery - Tue, Jan 13
If paid before 14:00
Part no. 5A04A04
Mini F54 F55 F56 F60 Telematics Module Bluetooth Control Unit ECU 5A04A04
PLN 189.95
Free delivery - Tue, Jan 13
If paid before 14:00
Part no. 4H0959795E
Audi A8 4H Rear Door Module Control Unit Left Right N/O/S 4H0959795E
PLN 61.95
Free delivery - Tue, Jan 13
If paid before 14:00
Part no. 7634061
BMW F10 Engine Transmission Module Cable Loom Wiring Harness 7634061
PLN 94.95
Free delivery - Tue, Jan 13
If paid before 14:00
Part no. 6958447
BMW 7 Series E65 Control Unit Door Rear Passenger Side Hinten Low BFT 6958447
PLN 37.95
Delivery - Tue, Jan 13
If paid before 14:00
Part no. P1XT-15K601-AA
VW Amarok Mk2 Remote Ignition Key Opener Button Switch Unit P1XT-15K601-AA
PLN 284.95
Free delivery - Tue, Jan 13
If paid before 14:00
Part no. 9663381380
Peugeot 207 Engine Wiring Harness Cable Loom 1.6 HDi DV6 9663381380
PLN 360.95
Free delivery - Tue, Jan 13
If paid before 14:00
Part no. A1695450001
Mercedes-Benz A B Class W169 W245 Fuse Box Relay Module Unit A1695450001
PLN 47.95
Delivery - Tue, Jan 13
If paid before 14:00
Part no. A2059007539
Fuse Box Mercedes S205 Interior Front Relay Fuse Box Sam Module A2059007539
PLN 474.95
Free delivery - Tue, Jan 13
If paid before 14:00
Part no. 9166542
BMW E92 HDD Navigation Reader System Module Unit ZB CE3 Navi JAPAN 9166542
PLN 189.95
Free delivery - Tue, Jan 13
If paid before 14:00
Part no. 06E911021F
Audi A5 8T A6 C7 Engine Starter Motor 3.0 TFSI Petrol 06E911021F
PLN 123.95
Free delivery - Tue, Jan 13
If paid before 14:00
Part no. 8506444-3
BMW E90 E91 LCI E92 330d Diesel N57 245HP ECU Engine Kit DDE 8506444 CAS3 + Key
PLN 1,044.95
Free delivery - Tue, Jan 13
If paid before 14:00
Part no. A1669004719
Audio Amplifier Mercedes W166 C292 Sound Control Unit Harman Kardon A1669004719
PLN 2,659.95
Free delivery - Tue, Jan 13
If paid before 14:00
Part no. 8518268
BMW E90 E91 LCI N47N 318d Diesel Engine Control Unit DDE ECU Manual 8518268
PLN 237.95
Free delivery - Tue, Jan 13
If paid before 14:00
Part no. 9222071
BMW F07 BCM Body Control Module Unit Controller 9222071
PLN 142.95
Free delivery - Tue, Jan 13
If paid before 14:00
Part no. 6977066
BMW X5 E70 Door Cable Harness Wiring 6977066 6937277
PLN 61.95
Free delivery - Tue, Jan 13
If paid before 14:00
Part no. 8605456
Engine Wiring BMW F21 F30 LCI F36 N20 Loom Module Harness Cable 8605456
PLN 180.95
Free delivery - Tue, Jan 13
If paid before 14:00
Part no. 8W6907217A
Audi A5 F5 Front Windscreen Windshield Lane Assist Camera 8W6907217A
PLN 142.95
Free delivery - Tue, Jan 13
If paid before 14:00
Part no. F20 F30 PLUG SOCKET LOOM PDC
PDC Plug BMW F20 F22 F30 F32 Loom Socket Parking Sensor Wiring Harness
PLN 95.95
Free delivery - Tue, Jan 13
If paid before 14:00
Part no. 5WA959651
Audi A3 8Y VW Golf Mk8 Air Module Crash Impact Sensor 5WA959651
PLN 75.95
Free delivery - Tue, Jan 13
If paid before 14:00
Part no. A1669005612
Door Module Mercedes ML W166 Rear Right O/S Door Control Unit A1669005612
PLN 61.95
Free delivery - Tue, Jan 13
If paid before 14:00
Part no. 8634124
BMW F40 F45 X1 F48 Mini F55 F56 F60 Alternator Generator Denso 120A 8634124
PLN 189.95
Free delivery - Tue, Jan 13
If paid before 14:00
Part no. 7394651
BMW 5 F11 Touring Rear Boot Trunk Lid Tailgate Control Unit Module ECU 7333928
PLN 142.95
Free delivery - Tue, Jan 13
If paid before 14:00
Part no. 9124585
BMW 1 3 Series E87 E90 Front Rear PDC Ultrasonic Parking Sensor Sedonarot Red
PLN 66.95
Free delivery - Tue, Jan 13
If paid before 14:00
Part no. A2661538979-1
Mercedes W169 A150 W245 B150 Engine Control ECU Kit A2661538979 + Key Automatic
PLN 1,101.95
Free delivery - Tue, Jan 13
If paid before 14:00
Part no. 3420482
BMW X3 E83 Ground Earth Cable Battery Wiring 3420482
PLN 42.95
Delivery - Tue, Jan 13
If paid before 14:00
Part no. 5Q0919294G
Audi A3 8V PDC Parking Distance Control Sensor Module Unit ECU 5Q0919294G
PLN 189.95
Free delivery - Tue, Jan 13
If paid before 14:00
Part no. 6949228-2
4 x Mini Cooper R52 Convertible DWA Door Alarm System Module Unit Set 6949228
PLN 56.95
Delivery - Tue, Jan 13
If paid before 14:00
Part no. 4E0035785D
Audi A4 B8 A5 8T MMI Multimedia Interface Control Unit Module 4E0035785D
PLN 422.95
Free delivery - Tue, Jan 13
If paid before 14:00
Part no. 9242204
Wiring BMW F12 F13 F06 Cable Set For Electric Parking Brake Handbrake 9242204
PLN 189.95
Free delivery - Tue, Jan 13
If paid before 14:00
Part no. 8F0959655C
Audi A5 8F Cabrio Air Module Control Unit ECU Crash Control Sensor 8F0959655C
PLN 142.95
Free delivery - Tue, Jan 13
If paid before 14:00
Part no. 8580165
Mini F54 F55 F56 F57 F60 B47 Wiring Harness Engine Glow Plug Module 8580165
PLN 189.95
Free delivery - Tue, Jan 13
If paid before 14:00
Part no. 8672514-1
BMW F80 M3 F82 F83 M4 431HP Engine Control ECU Kit DME 8672514 + FEM Module Key
PLN 4,749.95
Free delivery - Tue, Jan 13
If paid before 14:00
Part no. 9232896
Dashboard Monitor BMW X5 X6 E70 E71 Onboard Display Screen 8,8" 9232896
PLN 474.95
Free delivery - Tue, Jan 13
If paid before 14:00
Part no. A1645403572-2
Mercedes W164 W251 Fuse Box Relay Module Control Unit A1645403572
PLN 902.95
Free delivery - Tue, Jan 13
If paid before 14:00
Part no. 6850955
Brake Control Unit BMW F10 F11 X3 F25 Parking Brake Handbrake Module EMF 6850955
PLN 61.95
Free delivery - Tue, Jan 13
If paid before 14:00
Part no. A2115460580
Wiring Holder Mercedes W211 Cable Loom Harness Cover Channel A2115460580
PLN 94.95
Free delivery - Tue, Jan 13
If paid before 14:00
Part no. 9286110
BMW F20 F21 F30 F31 F32 Body Control Comfort Module Unit FEM ECU LR01 9286110
PLN 379.95
Free delivery - Tue, Jan 13
If paid before 14:00
Part no. 4H0955557A
Porsche Macan 95B Front Crash Impact Sensor Air Module Control Unit 4H0955557A
PLN 42.95
Delivery - Tue, Jan 13
If paid before 14:00
Part no. 8W9971104A
Audi S4 B9 Wiring Loom Set PDC Rear Complete Harness Parking Sensor 8W9971104A
PLN 237.95
Free delivery - Tue, Jan 13
If paid before 14:00
Part no. 8200279219
Smart Fortwo C453 Positive Battery Terminal Plus Pole Point Case 8200279219
PLN 42.95
Delivery - Tue, Jan 13
If paid before 14:00
Part no. A1698209926
Mercedes W169 W245 ECU Air Control Unit Sensor Module A1698209926
PLN 75.95
Free delivery - Tue, Jan 13
If paid before 14:00
Part no. A0141540402
Alternator Mercedes W164 OM272 Engine Alternator 180A 14V Valeo A0141540402
PLN 369.95
Free delivery - Tue, Jan 13
If paid before 14:00
Part no. A2513200158
Mercedes W251 W906 Valve Block Air Suspension Control Unit Module A2513200158
PLN 189.95
Free delivery - Tue, Jan 13
If paid before 14:00
Part no. 3437180
BMW E83 Telephone Bluetooth Roof Aerial Module Control Unit 3437180
PLN 42.95
Delivery - Tue, Jan 13
If paid before 14:00
Part no. A2219007701
Mercedes W221 Door Module Rear Right Left N/O/S Control Unit A2219007701
PLN 61.95
Free delivery - Tue, Jan 13
If paid before 14:00
Part no. A0009003606
Mercedes W176 W246 Automatic Transmission Control Uni A0009003606
PLN 94.95
Free delivery - Tue, Jan 13
If paid before 14:00
Part no. A1635400734
Mercedes-Benz M ML W163 Rear Left Right Door Wiring Loom Harness A1635400734
PLN 47.95
Delivery - Tue, Jan 13
If paid before 14:00
Part no. 7857551
Battery Cable BMW F80 M3 F82 M4 Wire Lead Positive Alternator Starter B+ 7857551
PLN 237.95
Free delivery - Tue, Jan 13
If paid before 14:00
Part no. 8K0959793C
Audi A4 B8 Door Module Control Unit ECU Front Driver's Side 8K0959793C
PLN 42.95
Delivery - Tue, Jan 13
If paid before 14:00
Part no. 284B12763R
Smart ForTwo C453 Vauxhall Vivaro Mk2 BCM Body Control Module Unit 284B12763R
PLN 351.95
Free delivery - Tue, Jan 13
If paid before 14:00
Part no. 8J0971349CD
Audi TT 8J Alternator Main Cable Wiring Harness Loom 8J0971349CD
PLN 113.95
Free delivery - Tue, Jan 13
If paid before 14:00
Part no. A1569007702
Signal Actuation Module Mercedes W176 W246 SAM Control Unit ECU A1569007702
PLN 142.95
Free delivery - Tue, Jan 13
If paid before 14:00
Part no. 7574365-1
Alternator Generator Mini Cooper R55 R56 R57 R57 R58 LCI Petrol 7574365
PLN 113.95
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 .