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. 6P0907159
Seat Ibiza 6J Cupra Sound Control Module ECU Unit 6P0907159
PLN 284.95
Free delivery - Tue, Jan 13
If paid before 14:00
Part no. 8634246
Mini F54 F60 B42 B46 B48 Ignition Injection Valve Wiring Harness Loom 8634246
PLN 61.95
Free delivery - Tue, Jan 13
If paid before 14:00
Part no. 03F906070CH
Seat Leon 1P 1.2 TSI CBZB 105HP Engine Control Module ECU 03F906070CH Manual
PLN 474.95
Free delivery - Tue, Jan 13
If paid before 14:00
Part no. 4G5971687BQ
Audi A6 C7 4G Rear Door Harness Wiring Loom Cable Left N/S 4G5971687BQ
PLN 80.95
Free delivery - Tue, Jan 13
If paid before 14:00
Part no. 9216459
BMW 1 3 5 E60 E81 E87 E90 E91 Mini R55 R56 DAB Radio Tuner Module 9216459
PLN 142.95
Free delivery - Tue, Jan 13
If paid before 14:00
Part no. 9264924
BMW F01 F02 F10 F11 F13 Power Distribution Fuse Box Rear 9264924
PLN 42.95
Delivery - Tue, Jan 13
If paid before 14:00
Part no. 8510221-6
BMW E90 E91 LCI E92 325d Diesel N57 204HP ECU Engine Kit DDE 8510221 CAS3 + Key
PLN 902.95
Free delivery - Tue, Jan 13
If paid before 14:00
Part no. A2218705687
Mercedes W221 Linguatronic Control Module Unit ECU English Version A2218705687
PLN 360.95
Free delivery - Tue, Jan 13
If paid before 14:00
Part no. 8636596
BMW 1 3 Series F20 F21 F30 F31 Line Cable Power Distribution Module 8636596
PLN 56.95
Delivery - Tue, Jan 13
If paid before 14:00
Part no. 7583225-11
BMW E87 LCI E90 118i 318i N43 143HP ECU Control Kit DME 7583225 Automatic
PLN 1,139.95
Free delivery - Tue, Jan 13
If paid before 14:00
Part no. 5QA919294L
Audi Q2 GA Park Parking Assist PDC Distance Control Unit Module 5QA919294L
PLN 189.95
Free delivery - Tue, Jan 13
If paid before 14:00
Part no. 1K0951253A
VW Audi Seat Skoda Glow Plug Relay Unit Engine Supply Black 4 Pins 1K0951253A
PLN 42.95
Delivery - Tue, Jan 13
If paid before 14:00
Part no. A2135452840
Mercedes W213 ECU Bracket Control Unit Module Holder Mount A2135452840
PLN 56.95
Delivery - Tue, Jan 13
If paid before 14:00
Part no. A1695407405
Mercedes W169 Wiring Loom Cable Door Front Left Right N/O/S A1695407405
PLN 61.95
Free delivery - Tue, Jan 13
If paid before 14:00
Part no. 5Q0959595E
Audi A3 8V Door Control Module Unit ECU Rear Left Right N/O/S 5Q0959595E
PLN 61.95
Free delivery - Tue, Jan 13
If paid before 14:00
Part no. 7552176-8
BMW Z4 E85 2.0i N46 150HP Engine Control Unit ECU DME 7552176 Manual Gearbox
PLN 712.95
Free delivery - Tue, Jan 13
If paid before 14:00
Part no. 8582279-8
BMW F30 F32 F34 GT 320d 420d N47N 184HP Engine Module Unit ECU DDE 8582279
PLN 189.95
Free delivery - Tue, Jan 13
If paid before 14:00
Part no. 55571379
Vauxhall Opel Insignia A Diesel Crankshaft Level Sensor Wiring Loom 55571379
PLN 75.95
Free delivery - Tue, Jan 13
If paid before 14:00
Part no. 8507918
BMW F20 F21 N47S1 Engine Wiring Harness Injector Module Loom Cable 8507918
PLN 436.95
Free delivery - Tue, Jan 13
If paid before 14:00
Part no. A2389058501
Antenna Mercedes A205 Convertible Telephone Antenna Module A2389058501
PLN 142.95
Free delivery - Tue, Jan 13
If paid before 14:00
Part no. 9213374
Mini R55 R56 R57 Cover Power Distribution Fuse Box 9213374
PLN 47.95
Delivery - Tue, Jan 13
If paid before 14:00
Part no. 9343287
BMW i3 I01 Mini F56 Air Conditioning System A/C Control Unit Module 9343287
PLN 332.95
Free delivery - Tue, Jan 13
If paid before 14:00
Part no. A0035420219
Relay Mercedes W639 W906 5-Pin Black 12A A0035420219
PLN 42.95
Delivery - Tue, Jan 13
If paid before 14:00
Part no. 9143823-1
BMW E88 E93 LCI ECU Air Control Unit Module Controller 9143823
PLN 42.95
Delivery - Tue, Jan 13
If paid before 14:00
Part no. A0038201926
Mercedes W221 Door Crash Impact Sensor Rear Left Right N/O/S A0038201926
PLN 61.95
Free delivery - Tue, Jan 13
If paid before 14:00
Part no. 7790368
Mini Cooper One D R50 W17 Diesel Alternator Cable Starter Base B 7790368
PLN 42.95
Delivery - Tue, Jan 13
If paid before 14:00
Part no. 9115107-1
BMW X5 Series E70 E70N LCI Wiring Set Wash Water Container Cable Loom 9115107
PLN 37.95
Delivery - Tue, Jan 13
If paid before 14:00
Part no. 9384100
Mini F54 Clubman F60 Countryman KaFAS Camera Windscreen Unit Front 9384100
PLN 142.95
Free delivery - Tue, Jan 13
If paid before 14:00
Part no. 7843338
Engine Wiring BMW F10 M5 F13 M6 Valvetronic Servomotor Cable Loom 7843338
PLN 142.95
Free delivery - Tue, Jan 13
If paid before 14:00
Part no. 8585379
ECU BMW F30 330d N57N 258HP Diesel Engine Control Unit Automatic 8585379
PLN 237.95
Free delivery - Tue, Jan 13
If paid before 14:00
Part no. 2G0907357A
VW Polo Mk6 AW Headlight Head Lamp Range Control Unit Module ECU 2G0907357A
PLN 189.95
Free delivery - Tue, Jan 13
If paid before 14:00
Part no. 8367253
BMW E38 Fuse Box Battery Power Junction Control Unit Module 8367252 8367253
PLN 94.95
Free delivery - Tue, Jan 13
If paid before 14:00
Part no. 7L5907401-1
Porsche Cayenne 9PA 3.0 TDI CASA 239HP Engine ECU Kit 7L5907401 Key + Ignition
PLN 2,279.95
Free delivery - Tue, Jan 13
If paid before 14:00
Part no. 6911922
BMW Z4 E85 E86 Interior Fuse Power Distribution Box 6911922 8384629
PLN 42.95
Delivery - Tue, Jan 13
If paid before 14:00
Part no. 7649090
Mini F54 F55 F56 F57 F60 Petrol Engine Starter Motor 7649090
PLN 75.95
Free delivery - Tue, Jan 13
If paid before 14:00
Part no. 7542310-7
Mini Cooper R50 W10 Petrol Engine Control Unit Module ECU DME 7542310 Manual
PLN 113.95
Free delivery - Tue, Jan 13
If paid before 14:00
Part no. 8K0959792A
Audi A5 8T Door Control Module Front Left N/S 8K0959792A
PLN 42.95
Delivery - Tue, Jan 13
If paid before 14:00
Part no. 2447799
BMW M6 F13 X3 F25 F32 F33 Bluetooth Telematic Control Module Unit 2447799
PLN 379.95
Free delivery - Tue, Jan 13
If paid before 14:00
Part no. 4H0907468AC
Audi A8L 4H Gateway Control Module Unit 4H0907468AC
PLN 569.95
Free delivery - Tue, Jan 13
If paid before 14:00
Part no. 8636070
BMW 3 F30 LCI 330e B48X Engine Gearbox Module Wiring Cable Loom Harness 8636070
PLN 474.95
Free delivery - Tue, Jan 13
If paid before 14:00
Part no. 7543157-6
BMW Z4 E85 2.2i M54 170HP Engine Control Module Unit ECU Set 7543157 Manual
PLN 949.95
Free delivery - Tue, Jan 13
If paid before 14:00
Part no. A1679009011
Mercedes W205 C213 X253 Rear Door Control Module Unit ECU Left N/S A1679009011
PLN 189.95
Free delivery - Tue, Jan 13
If paid before 14:00
Part no. 5Q0971230FP
Battery Cable Audi A3 8V Starter Alternator Wiring Harness 5Q0971230FP
PLN 94.95
Free delivery - Tue, Jan 13
If paid before 14:00
Part no. 4F1941824
Audi Q7 4L Fuse Box Control Module Connector Plug Socket Wiring Loom 4F1941824
PLN 42.95
Delivery - Tue, Jan 13
If paid before 14:00
Part no. A2049004106
Parktronic Module Mercedes W204 PDC Parking Sensors Control Unit A2049004106
PLN 42.95
Delivery - Tue, Jan 13
If paid before 14:00
Part no. 6935667-1
BMW Z4 Series E85 Roadster Battery Lead Positive Cable Plus Pole 6935667
PLN 47.95
Delivery - Tue, Jan 13
If paid before 14:00
Part no. 4E0910217C
Audi Q7 4L Front Camera FAS Lane Assistance Control Unit 4E0910217D
PLN 237.95
Free delivery - Tue, Jan 13
If paid before 14:00
Part no. A0009057908
Mercedes C238 Rear Bumper Blind Spot Radar Sensor Left Right N/O/S A0009057908
PLN 474.95
Free delivery - Tue, Jan 13
If paid before 14:00
Part no. 8486547-2
Mini Cooper F55 F56 Dual-Clutch Transmission Gearbox Control Unit Module DCT
PLN 1,662.95
Free delivery - Tue, Jan 13
If paid before 14:00
Part no. 8W8971687M
Audi A5 F5 Sportback Door Wiring Harness Loom Rear Left N/S 8W8971687M
PLN 189.95
Free delivery - Tue, Jan 13
If paid before 14:00
Part no. 6864204
ICM Module BMW F20 F21 F30 F31 Control Unit 6864204
PLN 94.95
Free delivery - Tue, Jan 13
If paid before 14:00
Part no. A0009067500
Alternator Generator Mercedes W204 W212 Diesel Engine Valeo 180A 14V A0009067500
PLN 379.95
Free delivery - Tue, Jan 13
If paid before 14:00
Part no. 9252331
BMW F10 ECU Body Control Module Junction Box V2 PL6 JBBFE III 9252331
PLN 94.95
Free delivery - Tue, Jan 13
If paid before 14:00
Part no. A0038207426
Mercedes W221 Door Module Control Unit Rear Right O/S A0038207426
PLN 61.95
Free delivery - Tue, Jan 13
If paid before 14:00
Part no. 8512415
Mini Cooper D R60 ALL4 N47N 112HP Diesel Engine Control Unit ECU DDE 8512415
PLN 189.95
Free delivery - Tue, Jan 13
If paid before 14:00
Part no. 7L0937401B
Audi Q7 4L Power Distribution Box Control Unit Plus Housing Cover 7L0937401B
PLN 123.95
Free delivery - Tue, Jan 13
If paid before 14:00
Part no. 8517874
BMW F20 F21 F30 116d 316d Diesel N47N Engine Control Unit ECU DDE 8517874 Manual
PLN 142.95
Free delivery - Tue, Jan 13
If paid before 14:00
Part no. 8X0907159C
Audi A1 8X Impact Sound Actuator Control Module 8X0907159C
PLN 189.95
Free delivery - Tue, Jan 13
If paid before 14:00
Part no. 9387145
BMW F30 LCI 330e B48X Negative Earth Cable Battery 9387145
PLN 94.95
Free delivery - Tue, Jan 13
If paid before 14:00
Part no. 8X0959792B
Audi A1 8X Door Module Control Unit Controller Front Passenger's Side 8X0959792B
PLN 42.95
Delivery - Tue, Jan 13
If paid before 14:00
Part no. 3D0035110
Volkswagen VW Phaeton 3D GP0 CD Changer 6-Disc Multichanger 3D0035110
PLN 142.95
Free delivery - Tue, Jan 13
If paid before 14:00
Part no. 8V3971035A
Audi A3 S3 8V 3D Door Wiring Harness Loom Cable Driver's Side 8V3971035A
PLN 94.95
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. 6824386
Fuse Box Unit BMW F20 F22 F30 F32 Module ECU Control FEM 6824386
PLN 379.95
Free delivery - Tue, Jan 13
If paid before 14:00
Part no. A1669006507
Door Module Mercedes ML W166 C292 Rear Right O/S Door Control Unit A1669006507
PLN 61.95
Free delivery - Tue, Jan 13
If paid before 14:00
Part no. A2139062202
Mercedes W213 W222 Fuse Box Rear Electrical Fuse Unit Module A2139062202
PLN 94.95
Free delivery - Tue, Jan 13
If paid before 14:00
Part no. 6986081-2
CD Changer BMW E60 E61 E63 E64 Compact CD Changing Unit 6986081
PLN 161.95
Free delivery - Tue, Jan 13
If paid before 14:00
Part no. A1669004002
Door Module Mercedes C117 W176 W246 Front Left N/S Control Unit A1669004002
PLN 85.95
Free delivery - Tue, Jan 13
If paid before 14:00
Part no. 6956746-MB1
BMW E81 E87 E90 LCI PDC Parking Ultrasonic Sensor Set x4 Monaco Blau - A35
PLN 94.95
Free delivery - Tue, Jan 13
If paid before 14:00
Part no. 5E5035577B
Skoda Octavia 5E Antenna Amplifier Aerial Control Module Unit 5E5035577B
PLN 94.95
Free delivery - Tue, Jan 13
If paid before 14:00
Part no. 9218261
Mini Clubman R55 Clubdoor Cable Wiring Loom Harness Set 9154133
PLN 66.95
Free delivery - Tue, Jan 13
If paid before 14:00
Part no. 3457568
Mini Cooper R55 R56 R57 LCI R60 R61 Radio Boost CD Player Unit Head 3457568
PLN 949.95
Free delivery - Tue, Jan 13
If paid before 14:00
Part no. A0038206926
Mercedes W221 Door Control Module Unit ECU Rear Left N/S A0038206926
PLN 189.95
Free delivery - Tue, Jan 13
If paid before 14:00
Part no. 6854028
BMW F06 F10 F11 F12 F13 ICM Control Unit Module Air Module ECU 6854028
PLN 522.95
Free delivery - Tue, Jan 13
If paid before 14:00
Part no. N1XT-14D338-ADC
VW Volkswagen Amarok NF Wiring Harness Loom Cable N1XT-14D338-ADC
PLN 100.95
Free delivery - Tue, Jan 13
If paid before 14:00
Part no. A2129004106
Door Module Mercedes W212 Rear Left N/S Control Unit A2129004106
PLN 42.95
Delivery - Tue, Jan 13
If paid before 14:00
Part no. 8654460
Mini Cooper F54 F55 136HP Petrol B38 Engine Control ECU DME 8654460 Manual
PLN 664.95
Free delivery - Tue, Jan 13
If paid before 14:00
Part no. A2479001416
Mercedes CLA C118 W177 W247 4matic AWD Module Control Unit A2479001416
PLN 351.95
Free delivery - Tue, Jan 13
If paid before 14:00
Part no. A2129008818
Keyless Go Module Mercedes W207 W212 W218 ECU Door Lock Control Unit A2129008818
PLN 142.95
Free delivery - Tue, Jan 13
If paid before 14:00
Part no. 5Q0906121D
Audi Q3 8U 2.0 TDI CFGC Fuel Sender Pump Control Module Unit ECU 5Q0906121D
PLN 351.95
Free delivery - Tue, Jan 13
If paid before 14:00
Part no. A2079001200
Door Module Mercedes C207 W207 Front Right O/S Control Unit ECU A2079001200
PLN 61.95
Free delivery - Tue, Jan 13
If paid before 14:00
Part no. 4E0035652E
Audi A6 C6 MMI Multimedia Sat Nav Navigation Control Head Unit 4E0035652E
PLN 474.95
Free delivery - Tue, Jan 13
If paid before 14:00
Part no. 9897879-4
Mini Cooper F55 F56 F60 B38C 1.5 136HP Engine Module ECU DME 9897879 Manual
PLN 949.95
Free delivery - Tue, Jan 13
If paid before 14:00
Part no. 7P0907801D
VW Touareg 7P Handbrake Electric Parking Brake Control Module 7P0907801D
PLN 379.95
Free delivery - Tue, Jan 13
If paid before 14:00
Part no. 7678321
BMW X4 F26 Harness Wiring Cable Loom 7678321 767832-113
PLN 61.95
Free delivery - Tue, Jan 13
If paid before 14:00
Part no. A1729007313
Mercedes SLC R172 PDC Parking Sensor Module Unit ECU A1729007313
PLN 379.95
Free delivery - Tue, Jan 13
If paid before 14:00
Part no. 6787836-1
BMW E81 E87 LCI E90 LCI ABS DSC Module Pump Wiring Harness Cable 6954572
PLN 42.95
Delivery - Tue, Jan 13
If paid before 14:00
Part no. A0009009114
Mercedes W205 Air Conditioning Climate Control Module ECU A0009009114
PLN 104.95
Free delivery - Tue, Jan 13
If paid before 14:00
Part no. 8577238
BMW F30 F31 Sterter Motor Alternator Cable Wiring Loom Harness 8577238
PLN 123.95
Free delivery - Tue, Jan 13
If paid before 14:00
Part no. 9352786
BMW F33 F83 M4 Convertible Folding Top Roof ECU Module Control Unit CTM 9352786
PLN 712.95
Free delivery - Tue, Jan 13
If paid before 14:00
Part no. 9247130
BMW F11 Touring Antenna Aerial Diversity Amplifier Unit 868 MHZ 9247130
PLN 94.95
Free delivery - Tue, Jan 13
If paid before 14:00
Part no. GU5T-14B192-GA
Ford Transit Mk8 Relay High Power 4-Pin Black FoMoCo GU5T-14B192-GA 4RA933714
PLN 42.95
Delivery - Tue, Jan 13
If paid before 14:00
Part no. 8512047-5
BMW E90 E91 LCI N47N 320d ed ECU KIT DDE 8512047 CAS 2 Keys Manual Transmission
PLN 759.95
Free delivery - Tue, Jan 13
If paid before 14:00
Part no. 8586573
BMW F20 F30 LCI Wiring Harness Engine Gearbox Module 120dX 320dX B47 8586573
PLN 712.95
Free delivery - Tue, Jan 13
If paid before 14:00
Part no. A2034404432
PDC Wiring Mercedes CL203 Front Bumper Parking Sensor Loom Cable A2034404432
PLN 284.95
Free delivery - Tue, Jan 13
If paid before 14:00
Part no. A2059004721
Door Module W205 Rear Right O/S Door Control Unit Module A2059004721
PLN 66.95
Free delivery - Tue, Jan 13
If paid before 14:00
Part no. 8T0907468D
Audi A4 B8 A5 8T Gateway Diagnostic Interface Control Unit Module ECU 8T0907468R
PLN 94.95
Free delivery - Tue, Jan 13
If paid before 14:00
Part no. BK3D18D815BE-1
Ford Transit MK8 Radio Stereo Audio USB Head Unit Panel BK3D-18D815-BE
PLN 123.95
Free delivery - Tue, Jan 13
If paid before 14:00
Part no. 9811263
Mini Cooper R60 Wiring Loom Front Door Cables Passenger Side 9811263
PLN 94.95
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 .