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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Part no. A2711501920
Engine Wiring Mercedes W204 C207 W212 M271 Harness Loom Cable A2711501920
PLN 474.95
Free delivery - Wed, Jan 14
If paid before 14:00
Part no. A1698203285
Mercedes A B Class W169 W245 Door Control Module Right Rear O/S A1698203285
PLN 42.95
Delivery - Wed, Jan 14
If paid before 14:00
Part no. 6911922
BMW Z4 E85 E86 Interior Fuse Power Distribution Box 6911922 8384629
PLN 42.95
Delivery - Wed, Jan 14
If paid before 14:00
Part no. A2128270128-IRS
Roof Antenna Mercedes W212 Shark Trim Panel Iridium Silver - 775 A2128270128
PLN 94.95
Free delivery - Wed, Jan 14
If paid before 14:00
Part no. 9224687
BMW Mini Clubman R55 LCI Cable Wiring Loom Splitdoor Door Rear Left N/S 9224424
PLN 75.95
Free delivery - Wed, Jan 14
If paid before 14:00
Part no. 4H0909131
Audi A8L 4H Ignition Keyless Entry Reader Coil Module 4H0909131
PLN 42.95
Delivery - Wed, Jan 14
If paid before 14:00
Part no. 9264636-1
BMW 1 3 4 F20 F30 F32 1 Driver Side Seat Wiring Loom Electric Harness 9339286
PLN 151.95
Free delivery - Wed, Jan 14
If paid before 14:00
Part no. 9133913
BMW Z4 E89 Roadster Convertible HiFi Speaker System Amplifier 9133913
PLN 283.95
Free delivery - Wed, Jan 14
If paid before 14:00
Part no. 7583526-1
BMW X3 Series E83 2.5si N52N 218HP Engine ECU Kit DME + Key 7583526 Manual
PLN 1,614.95
Free delivery - Wed, Jan 14
If paid before 14:00
Part no. 8586536-6
BMW F30 F32 LCI 335d 435d N57Z 313HP Control Unit ECU Kit DDE 8586536 FEM Key
PLN 1,709.95
Free delivery - Wed, Jan 14
If paid before 14:00
Part no. 8K0959792E
Audi A4 B8 A5 8T Front Door Module Control Unit Module ECU Left N/S 8K0959792E
PLN 42.95
Delivery - Wed, Jan 14
If paid before 14:00
Part no. 8648840
BMW F45 F48 F49 Mini Cooper F60 Earth Ground Cable 8648840
PLN 94.95
Free delivery - Wed, Jan 14
If paid before 14:00
Part no. A2038700326
Mercedes CLC CL203 Front Left N/S Door Control Module Unit A2038700126
PLN 66.95
Free delivery - Wed, Jan 14
If paid before 14:00
Part no. 5Q0971230HH
Audi S3 8V Starter Alternator Wiring Harness 5Q0971230HH
PLN 142.95
Free delivery - Wed, Jan 14
If paid before 14:00
Part no. 9805535
BMW Countryman R60 R61 Centre Console Retaining Bracket Rail Rear 9805535
PLN 47.95
Delivery - Wed, Jan 14
If paid before 14:00
Part no. 9294309
Dashboard Monitor BMW X3 F25 X4 F26 Onboard Central Display Screen 6,5" 9294309
PLN 474.95
Free delivery - Wed, Jan 14
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 - Wed, Jan 14
If paid before 14:00
Part no. 9150891
BMW 1 Series E81 E82 E87N LCI E88 Wiring Cable Air Flap PDC Front 9150891
PLN 104.95
Free delivery - Wed, Jan 14
If paid before 14:00
Part no. 06N907309A-1
Audi A4 B9 8W 35 TFSI DMSB 150 HP Engine ECU Kit Body + Key 06N907309A Automatic
PLN 1,614.95
Free delivery - Wed, Jan 14
If paid before 14:00
Part no. A2045400708
Mercedes-Benz W204 Parking Sensor Wiring Cable Harness Rear PDC A2045400708
PLN 94.95
Free delivery - Wed, Jan 14
If paid before 14:00
Part no. 4E0910110E
Audi S6 C6 6-Disc CD Changer Magazine Head Unit MMI 4E0910110E
PLN 142.95
Free delivery - Wed, Jan 14
If paid before 14:00
Part no. A1679006613
Mercedes W177 Sliding Roof Module Sunroof Panoramic Control Unit A1679006613
PLN 379.95
Free delivery - Wed, Jan 14
If paid before 14:00
Part no. 95230-4H200
Hyundai H-1 iLoad Relay Module Control Unit ECU 95230-4H200
PLN 474.95
Free delivery - Wed, Jan 14
If paid before 14:00
Part no. 6915943
BMW 7 X3 Z4 Series E65 E66 E83 E85 E86 Interface Japan Luggage Module 6915943
PLN 284.95
Free delivery - Wed, Jan 14
If paid before 14:00
Part no. 8S0035021E
Audi TT FV Mk3 Navi SD GPS MMI Multimedia Head Unit Module 8S0035021E
PLN 2,374.95
Free delivery - Wed, Jan 14
If paid before 14:00
Part no. A1669005417
Mercedes X117 Communication Telematics Control Module Unit ECU A1669005417
PLN 94.95
Free delivery - Wed, Jan 14
If paid before 14:00
Part no. 8K0915181H
Audi A1 8X Negative Minus Battery Terminal Cable 1.4 TFSI CAXA Petrol 8K0915181H
PLN 42.95
Delivery - Wed, Jan 14
If paid before 14:00
Part no. 8594487
BMW F45 Mini F56 Positive Battery Alternator Starter Cable Wiring 8594487
PLN 94.95
Free delivery - Wed, Jan 14
If paid before 14:00
Part no. 9286785
BMW X1 E84 ECU Body Control Module Junction Box H2 PL2RR JBBFE IIIR 9286785
PLN 113.95
Free delivery - Wed, Jan 14
If paid before 14:00
Part no. 9209758
BMW X5 Z4 E89 E70 Mini Cooper R56 R57 CD Changer Multichanger 9209758
PLN 75.95
Free delivery - Wed, Jan 14
If paid before 14:00
Part no. 9244189
BMW F20 F21 F30 F31 Telematics Module Bluetooth Combox Telematik ECU 9244189
PLN 75.95
Free delivery - Wed, Jan 14
If paid before 14:00
Part no. 7579155-1
Starter Motor BMW X5 E70 LCI X6 E71 Z4 E89 N20 N55 Petrol Engine 7579155
PLN 75.95
Free delivery - Wed, Jan 14
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 - Wed, Jan 14
If paid before 14:00
Part no. 2751444
Mini R56 DAB/IBOC Tuner Bracket Holder Mounting 2751444
PLN 94.95
Free delivery - Wed, Jan 14
If paid before 14:00
Part no. 8Y0035042C
Audi S3 8Y Body Control Comfort Module ECU Unit Bluetooth 8Y0035042C
PLN 4,749.95
Free delivery - Wed, Jan 14
If paid before 14:00
Part no. 9391253
BMW F10 F11 Wiring Cable Loom 9391253 9391252
PLN 94.95
Free delivery - Wed, Jan 14
If paid before 14:00
Part no. 6799576
BMW F10 F11 ICM Control Module Unit 6799576
PLN 42.95
Delivery - Wed, Jan 14
If paid before 14:00
Part no. 9268710-1
BMW F01 Display Screen On-Board Central Information Monitor 10,25" 9241819
PLN 189.95
Free delivery - Wed, Jan 14
If paid before 14:00
Part no. A1645407901
Mercedes V251 Gateway Module Control Unit ECU A1645407901
PLN 332.95
Free delivery - Wed, Jan 14
If paid before 14:00
Part no. 8W0947355J
Audi A4 B9 LED Module Light Unit Wiring Harness Left Rear N/S 8W0947355J
PLN 94.95
Free delivery - Wed, Jan 14
If paid before 14:00
Part no. 8W9971104T
Audi A4 B9 Rear Bumper PDC Wiring Parking Sensor Loom Harness 8W9971104T
PLN 237.95
Free delivery - Wed, Jan 14
If paid before 14:00
Part no. 4G5971085AF
Audi A6 C7 Rear Bumper Parking Sensor PDC Wiring Harness Loom Cable 4G5971085AF
PLN 474.95
Free delivery - Wed, Jan 14
If paid before 14:00
Part no. 9387626-1
MINI Cooper One F55 F56 Rain / Light / Solar HUD Sensor Windshield 9387626
PLN 61.95
Free delivery - Wed, Jan 14
If paid before 14:00
Part no. A2139062202
Mercedes W213 W222 Fuse Box Rear Electrical Fuse Unit Module A2139062202
PLN 94.95
Free delivery - Wed, Jan 14
If paid before 14:00
Part no. 9866980
BMW F20 Body Control Unit Module REM Fuse Box 9866980
PLN 123.95
Free delivery - Wed, Jan 14
If paid before 14:00
Part no. A2129018508
Mercedes W212 Air Bag Control Unit ECU AirBag Sensor Module A2129011105
PLN 151.95
Free delivery - Wed, Jan 14
If paid before 14:00
Part no. 9380322
BMW F01 F02 F03 F10 F11 F13 Central Gateway Control Lear Module Unit ECU 9380322
PLN 142.95
Free delivery - Wed, Jan 14
If paid before 14:00
Part no. 8X0959792K
Audi Q3 8U Front Door Module Control Unit ECU Passenger Side 8X0959792H
PLN 94.95
Free delivery - Wed, Jan 14
If paid before 14:00
Part no. 7527610
Mini Cooper R50 W10 116HP Petrol Engine Control Unit ECU DME 7527610 Automatic
PLN 56.95
Delivery - Wed, Jan 14
If paid before 14:00
Part no. A2048708626
Mercedes W212 Media Interface Control Module Unit ECU A2048708626
PLN 42.95
Delivery - Wed, Jan 14
If paid before 14:00
Part no. A2055407616
Wiring Mercedes W205 Electrical Cable Transmission To Body A2055407616
PLN 42.95
Delivery - Wed, Jan 14
If paid before 14:00
Part no. 3Q0907530Q
Volkswagen VW Golf Mk7 Gateway Control Unit Module ECU GW MQB High 3Q0907530Q
PLN 42.95
Delivery - Wed, Jan 14
If paid before 14:00
Part no. 9344087
Mini Cooper One R55 R56 R57 LCI R60 R61 CHAMP 2 Navigation DAB 9299558
PLN 1,234.95
Free delivery - Wed, Jan 14
If paid before 14:00
Part no. A2059005713
Door Module Mercedes W205 Front Left N/S Door Control Module Unit A2059005713
PLN 56.95
Delivery - Wed, Jan 14
If paid before 14:00
Part no. MB3T-14A411-SLC
VW Volkswagen Amarok NF Wiring Harness Loom Cable MB3T14A411SLC
PLN 42.95
Delivery - Wed, Jan 14
If paid before 14:00
Part no. 8570934
BMW F20 F21 116d ed Diesel N47N 116HP ECU Engine Control Unit DDE 8570934 Manual
PLN 664.95
Free delivery - Wed, Jan 14
If paid before 14:00
Part no. A6421508900-6
Mercedes W207 E350 OM642.838 Engine Control Unit ECU Kit A6421508900 Automatic
PLN 1,899.95
Free delivery - Wed, Jan 14
If paid before 14:00
Part no. 6953467
BMW 1 3 Series E88 E93 Convertible Tel Phone Antenna Aerial 6953467
PLN 104.95
Free delivery - Wed, Jan 14
If paid before 14:00
Part no. 06B903016AB
Audi A4 B7 Petrol Engine Alternator Generator Electric Unit 14V 140A 06B903016AB
PLN 142.95
Free delivery - Wed, Jan 14
If paid before 14:00
Part no. 9212916
BMW 5 7 X5 E70 F01 F02 F10 F11 Rain / Light / Solar Fogging Sensor 9212916
PLN 47.95
Delivery - Wed, Jan 14
If paid before 14:00
Part no. 9280622
FEM Module BMW F20 F21 F22 F30 F32 ECU Control Unit Fuse Box 9280622
PLN 474.95
Free delivery - Wed, Jan 14
If paid before 14:00
Part no. 7552638
BMW Z4 Series E85 N52 Roadster Earth Cable Battery 7552638
PLN 42.95
Delivery - Wed, Jan 14
If paid before 14:00
Part no. A2129005300
Seat Module Mercedes W204 W212 Control Unit Front Left Right N/O/S A2129005300
PLN 237.95
Free delivery - Wed, Jan 14
If paid before 14:00
Part no. 4H0907355D
Audi A7 4G A8L 4H Ad Blue Control Module Unit ECU 4H0907355D
PLN 284.95
Free delivery - Wed, Jan 14
If paid before 14:00
Part no. 5E0907159
Skoda Octavia 5E Audi A8 D4 Impact Sound Control Module Unit ECU 5E0907159
PLN 189.95
Free delivery - Wed, Jan 14
If paid before 14:00
Part no. A6519003701-2
Mercedes W212 Engine ECU Module Wiring Loom Harness Socket OM651 A6519003701
PLN 94.95
Free delivery - Wed, Jan 14
If paid before 14:00
Part no. A2129008816
Mercedes X218 Radio Comand Navigation Seat Control Unit Module A2129008816
PLN 1,044.95
Free delivery - Wed, Jan 14
If paid before 14:00
Part no. 9312764
Body Control Module BMW F10 LCI ECU Junction Box PL6 JBBFE III V2 9312764
PLN 180.95
Free delivery - Wed, Jan 14
If paid before 14:00
Part no. 4H0907145
Audi A6 C7 Air Suspension Level Height Adjustment Module Control Unit 4H0907145
PLN 379.95
Free delivery - Wed, Jan 14
If paid before 14:00
Part no. 6938226
BMW 3 Series E90 E91 Cable Wiring Loom Rear Door Left Right 61126938226 6938249
PLN 85.95
Free delivery - Wed, Jan 14
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 - Wed, Jan 14
If paid before 14:00
Part no. 8J0035456
Audi S5 8T Antenna Amplifier Aerial Control Module Unit ECU 8J0035456
PLN 42.95
Delivery - Wed, Jan 14
If paid before 14:00
Part no. A6511508300
Engine Wiring Mercedes W910 OM651.958 Diesel Harness Loom Cable A6511508300
PLN 569.95
Free delivery - Wed, Jan 14
If paid before 14:00
Part no. 7636292-1
BMW F20 F30 116i 316i N13 136HP Engine Control ECU Kit DME 7636292 Manual
PLN 2,374.95
Free delivery - Wed, Jan 14
If paid before 14:00
Part no. A0009003505
Module Mercedes W205 Fuel Pump Control Module In Trunk Rear ECU A0009003505
PLN 85.95
Free delivery - Wed, Jan 14
If paid before 14:00
Part no. 95B919599F
Porsche Macan 95B On board Navigation Display Monitor Screen 95B919599F
PLN 2,564.95
Free delivery - Wed, Jan 14
If paid before 14:00
Part no. 9226357-1
Loudspeaker BMW F20 F30 Top-HiFi Door Speaker Tweeter Set Harman Kardon 9226357
PLN 94.95
Free delivery - Wed, Jan 14
If paid before 14:00
Part no. 9317866
BMW 3 Series F30 330e Hybrid Battery Accumulator Bracket Holder Mount 9317866
PLN 94.95
Free delivery - Wed, Jan 14
If paid before 14:00
Part no. 6956939-1
Changer Unit BMW E63 E64 6-disc Compact CD Head Player 6956939
PLN 189.95
Free delivery - Wed, Jan 14
If paid before 14:00
Part no. 4M0971349Q
Audi Q7 4M Electric Alternator Starter Positive Wiring Harness Cable 4M0971349Q
PLN 123.95
Free delivery - Wed, Jan 14
If paid before 14:00
Part no. 6992830
BMW F10 F20 F30 Mini F55 F56 KaFAS Camera Front Control Unit Module ECU 6992830
PLN 94.95
Free delivery - Wed, Jan 14
If paid before 14:00
Part no. A2129005101
Fuse Box Mercedes W212 Rear SAM Relay Fuse Box Control Module A2129005101
PLN 113.95
Free delivery - Wed, Jan 14
If paid before 14:00
Part no. 04E0919064
Audi A8 D3 Door Lightning Module Control Unit Front Rear 04E0919064
PLN 42.95
Delivery - Wed, Jan 14
If paid before 14:00
Part no. A0025421119-1
Relay Unit Mercedes W163 W168 W203 W211 4-Pin Black Hella A0025421119 Set 2x
PLN 42.95
Delivery - Wed, Jan 14
If paid before 14:00
Part no. A2049005601
Mercedes W204 S204 Estate SAM Control Unit Module Rear A2049005601
PLN 123.95
Free delivery - Wed, Jan 14
If paid before 14:00
Part no. A2661503033
Mercedes W169 W245 M266 Petrol Engine Wiring Harness Loom A2661503033
PLN 189.95
Free delivery - Wed, Jan 14
If paid before 14:00
Part no. 8V0035399C
Audi A3 8V A-Pillar Speaker Tweeter Front Left Right N/O/S 8V0035399C
PLN 94.95
Free delivery - Wed, Jan 14
If paid before 14:00
Part no. 9358302
Mini 1 2 3 Series F20 F21 F30 LCI F55 F56 Compensator LTE ECE 9358302
PLN 47.95
Delivery - Wed, Jan 14
If paid before 14:00
Part no. A6421509478-3
Mercedes W164 ML320 OM642.940 224 HP 4Matic Engine ECU Kit A6421509478 Automatic
PLN 1,139.95
Free delivery - Wed, Jan 14
If paid before 14:00
Part no. 7823973-1
BMW E90 E91 LCI E92 330d Diesel N57 245HP ECU Engine Kit DDE 7823973 CAS3 + Key
PLN 807.95
Free delivery - Wed, Jan 14
If paid before 14:00
Part no. 5QA919294B
Audi A3 8V VW Volkswagen Golf VII PDC Park Assist Control Module Unit 5QA919294B
PLN 113.95
Free delivery - Wed, Jan 14
If paid before 14:00
Part no. 5A130F9
BMW F40 F44 G20 Parking Control Module Unit USS ECU LOW 5A130F9
PLN 161.95
Free delivery - Wed, Jan 14
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 - Wed, Jan 14
If paid before 14:00
Part no. A4475400010
Mercedes Vito W447 Battery Cable Alternator Wiring Diesel OM651 A4475400010
PLN 123.95
Free delivery - Wed, Jan 14
If paid before 14:00
Part no. 8507202
BMW E90 E91 LCI 318d N47N 143HP ECU Engine Control Unit DDE 8507202 Manual
PLN 284.95
Free delivery - Wed, Jan 14
If paid before 14:00
Part no. 6954007
BMW E60 E61 E63 E64 E65 PDC Parking Control Module Unit ECU 6978232
PLN 427.95
Free delivery - Wed, Jan 14
If paid before 14:00
Part no. 8691827-2
Mini Cooper F56 B38 136HP Petrol Engine ECU Kit DME 8691827 BDC + Key Manual
PLN 1,709.95
Free delivery - Wed, Jan 14
If paid before 14:00
Part no. A2219005404
Mercedes R231 Seat Memory Control Unit Module Front Right A2219005404
PLN 1,662.95
Free delivery - Wed, Jan 14
If paid before 14:00
Part no. 9214812
BMW E88 E93 LCI Air Module Control Unit ECU 9214812
PLN 142.95
Free delivery - Wed, Jan 14
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 .