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. 8582280
Engine Control ECU BMW F20 F21 116d N47N 116HP DDE 8582280 Manual Transmission
PLN 189.95
Free delivery - Tue, Jan 13
If paid before 14:00
Part no. 4H0907508
Audi RS6 C7 Acceleration Engine Sensor Module Control Unit ECU 4H0907508
PLN 61.95
Free delivery - Tue, Jan 13
If paid before 14:00
Part no. 6907519-1
BMW 7 SERIES E65 E66 E67 Battery cable plus pole 6907519
PLN 42.95
Delivery - Tue, Jan 13
If paid before 14:00
Part no. A2055450901
Mercedes C205 Cable Contact Guide Battery Clamp Unit A2055450901
PLN 189.95
Free delivery - Tue, Jan 13
If paid before 14:00
Part no. 8P0907279P
Audi A3 8P Gateway Interface Onboard Supply Control Module Unit ECU 8P0907279P
PLN 854.95
Free delivery - Tue, Jan 13
If paid before 14:00
Part no. 7853460
Gearbox Wiring BMW F87 M2 N55 Engine Automatic Loom Harness Cables 7853460
PLN 807.95
Free delivery - Tue, Jan 13
If paid before 14:00
Part no. 9270034
MINI Cooper One F55 F56 F57 Rear Antenna Aerial Amplifier DAB 9270034
PLN 47.95
Delivery - Tue, Jan 13
If paid before 14:00
Part no. 5Q0959595M
Audi Q2 GA Front Door Module Control Unit Controller Passenger Side 5Q0959595M
PLN 94.95
Free delivery - Tue, Jan 13
If paid before 14:00
Part no. 7P6035552M
VW Touareg 7P Antenna Amplifier Signal Booster Module Rear Left N/S 7P6035552M
PLN 42.95
Delivery - Tue, Jan 13
If paid before 14:00
Part no. 8K0971228H
Audi A4 B8 3.0 TDI Starter Alternator Wiring Loom Cable Harness 8K0971228H
PLN 94.95
Free delivery - Tue, Jan 13
If paid before 14:00
Part no. 9264916
BMW E82 E88 E92 E93 LCI Control Unit Airbag ECU NO CRASH DATA 9264916
PLN 94.95
Free delivery - Tue, Jan 13
If paid before 14:00
Part no. A2139005427
Mercedes W213 C238 Air Suspension Level Control Unit Module Airmatic A2139005427
PLN 807.95
Free delivery - Tue, Jan 13
If paid before 14:00
Part no. A2124407952
Battery Cable Mercedes W212 W218 Negative Lead Terminal Harness A2124407952
PLN 94.95
Free delivery - Tue, Jan 13
If paid before 14:00
Part no. A4535408304
Smart Fortwo C453 Front Bumper Wiring Parking Sensor Loom Harness A4535408304
PLN 284.95
Free delivery - Tue, Jan 13
If paid before 14:00
Part no. A6401508334-1
Engine Control Unit Mercedes W245 B200 CDI OM640.941 140HP ECU A6401508334
PLN 123.95
Free delivery - Tue, Jan 13
If paid before 14:00
Part no. 6881597
BMW M3 F80 LCI VDC Controler Adaptive M Suspension Mode Control Module 6881597
PLN 474.95
Free delivery - Tue, Jan 13
If paid before 14:00
Part no. 6819651
BMW X5 F15 Rear Fuse Box Distribution Relay Module Control ECU Unit 6819651
PLN 85.95
Free delivery - Tue, Jan 13
If paid before 14:00
Part no. A2519061100
Mercedes W251 Central Multimedia Navi GPS Control Head Unit ECU A2519061100
PLN 1,329.95
Free delivery - Tue, Jan 13
If paid before 14:00
Part no. 6938226-2
BMW 3 Series 2 E90 E91 LCI M3 Wiring Loom Rear Door Left Right 6938226
PLN 42.95
Delivery - Tue, Jan 13
If paid before 14:00
Part no. 8S0963553D
Volkswagen Skoda Seat Audi Seat Pressure Sensor Front Passenger Side 8S0963553D
PLN 66.95
Free delivery - Tue, Jan 13
If paid before 14:00
Part no. 6919113-1
BMW E81 E82 E87 E88 E90 E91 E92 E93 F10 F11 F12 Black Relays 5 Pin Set 6919113
PLN 42.95
Delivery - Tue, Jan 13
If paid before 14:00
Part no. 7805349-2
BMW X3 E83 LCI M47N2 2.0d 150HP ECU Kit DDE EWS4 Key 7805349 Manual
PLN 902.95
Free delivery - Tue, Jan 13
If paid before 14:00
Part no. 4G8959795A
Audi A7 4G8 Door Control Module Electrical Unit ECU Rear Right O/S 4G8959795A
PLN 42.95
Delivery - Tue, Jan 13
If paid before 14:00
Part no. A1635409108
Mercedes-Benz M ML W163 Rear Window Heater Cable Harness Wiring A1635409108
PLN 42.95
Delivery - Tue, Jan 13
If paid before 14:00
Part no. 6926472
BMW E65 E66 E67 Phone Transmitter Receiver Module ECU SIEMENS 6926472
PLN 61.95
Free delivery - Tue, Jan 13
If paid before 14:00
Part no. 8K1907115M
Audi A4 B8 A5 8T 1.8 TFSI CDHB 160HP Engine Control ECU 8K1907115M Automatic
PLN 465.95
Free delivery - Tue, Jan 13
If paid before 14:00
Part no. 9228491
BMW 5 Series F10 ECU Body Control Module V2 Junction Box 61359228491 9228491
PLN 189.95
Free delivery - Tue, Jan 13
If paid before 14:00
Part no. 5WA971794R
VW Golf 8 1.5 eTSI HV Battery Positive Terminal Harness Cable Wiring 5WA971794R
PLN 104.95
Free delivery - Tue, Jan 13
If paid before 14:00
Part no. A2215408507
Mercedes W221 Door Wiring Harness Cable Front Left Right N/O/S A2215408507
PLN 94.95
Free delivery - Tue, Jan 13
If paid before 14:00
Part no. A6519065700
Mercedes W907 314 CDI Engine Alternator Generator Valeo A6519065700
PLN 664.95
Free delivery - Tue, Jan 13
If paid before 14:00
Part no. 9343259
B+ Distribution Box BMW X3 F25 Battery Power Red Rear Control Unit 9206140
PLN 123.95
Free delivery - Tue, Jan 13
If paid before 14:00
Part no. 7187221
BMW F01 F02 F03 LCI Rear Third Stoplamp Stop Lamp Brake Light 7187221
PLN 42.95
Delivery - Tue, Jan 13
If paid before 14:00
Part no. 9154331
BMW MINI Clubman R55 Cable Wiring Loom Splitdoor Split Door Rear Right O/S
PLN 66.95
Free delivery - Tue, Jan 13
If paid before 14:00
Part no. 9367693
BMW M5 F90 G11 G12 Power Distribution Relay Fuse Box Make Contact 9367693
PLN 61.95
Free delivery - Tue, Jan 13
If paid before 14:00
Part no. 3G0962243C
Volkswagen Seat Skoda Audi Tailgate Module Controller 3G0962243C
PLN 142.95
Free delivery - Tue, Jan 13
If paid before 14:00
Part no. 4F0971547
Audi A6 C6 Cable Wiring Loom Heater Matrix Air Conditioning Cable 4F0971547
PLN 42.95
Delivery - Tue, Jan 13
If paid before 14:00
Part no. 5P0035225A
Seat Leon 1P Altea Antenna Amplifier Booster 5P0035225A
PLN 42.95
Delivery - Tue, Jan 13
If paid before 14:00
Part no. 1K0971349JQ
Audi A3 8P 1.2 TFSI CBZB Alternator Wiring Harness Cable Loom 1K0971349JQ
PLN 100.95
Free delivery - Tue, Jan 13
If paid before 14:00
Part no. 9374508
BMW F20 F21 F30 F31 REM Rear Electronic Module Fuse Box Control Unit V3 9374508
PLN 42.95
Delivery - Tue, Jan 13
If paid before 14:00
Part no. 9228323
BMW F01 F10 F20 F30 F32 Camera Module Reversing Rear View Control Unit 9228323
PLN 427.95
Free delivery - Tue, Jan 13
If paid before 14:00
Part no. 8T0959793G
Audi A4 B8 Door Module Front Left N/S Control Unit ECU 8T0959793G
PLN 61.95
Free delivery - Tue, Jan 13
If paid before 14:00
Part no. A2059067200-1
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. 8584816
Engine Wiring BMW G20 G21 X3 G01 B57 Injectors Module Harness Loom 8584816
PLN 379.95
Free delivery - Tue, Jan 13
If paid before 14:00
Part no. A2139003208
Mercedes W213 SAM Module Rear Body Comfort Control Unit ECU A2139003208
PLN 189.95
Free delivery - Tue, Jan 13
If paid before 14:00
Part no. A2034400033
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. 8677250
Battery Starter Cable Mini Countryman F60 Cooper S B48 Positive Plus 8677250
PLN 94.95
Free delivery - Tue, Jan 13
If paid before 14:00
Part no. 9322122-1
Display Screen BMW F20 F21 F22 Central Information Sat Nav Monitor 6,5" 9322122
PLN 123.95
Free delivery - Tue, Jan 13
If paid before 14:00
Part no. 9393667
BMW F10 LCI Body Control Module ECU Unit JBBFEIII V2 PL6 9393667
PLN 237.95
Free delivery - Tue, Jan 13
If paid before 14:00
Part no. 8X0959793E
Audi A1 8X Q3 8U Front Door Module Driver's Side Control Unit ECU 8X0959793E
PLN 94.95
Free delivery - Tue, Jan 13
If paid before 14:00
Part no. A2055405203
Mercedes W205 Negative Cable Battery Lead Minus Pole Wiring A2055405203
PLN 104.95
Free delivery - Tue, Jan 13
If paid before 14:00
Part no. 81A035192B
Audi A3 8V Radio CD SD SIM Player Stereo Sat Nav Head Unit 81A035192B
PLN 1,804.95
Free delivery - Tue, Jan 13
If paid before 14:00
Part no. 4G8971365
Audi A7 4G Seat Cable Front Left Right N/O/S Wiring Loom Harness 4G8971365
PLN 94.95
Free delivery - Tue, Jan 13
If paid before 14:00
Part no. 8506566-2
BMW E90 E91 LCI 320d ed N47N 163HP ECU DDE 8506566 Manual Transmition
PLN 284.95
Free delivery - Tue, Jan 13
If paid before 14:00
Part no. A1779008206
Mercedes W177 Ambience Illumination Light Control Module Unit A1779008206
PLN 142.95
Free delivery - Tue, Jan 13
If paid before 14:00
Part no. A1179001801
Mercedes W176 Air Module System Control Unit Module ECU A1179001801
PLN 284.95
Free delivery - Tue, Jan 13
If paid before 14:00
Part no. 6835155
BMW 1 2 3 Series F40 F44 G20 Radio Antenna Amplifier Suppression Filter 6835155
PLN 66.95
Free delivery - Tue, Jan 13
If paid before 14:00
Part no. 240720782R
Renault Trafic III VIvaro B Wiring Connector Additional Horn Cable 240720782R
PLN 94.95
Free delivery - Tue, Jan 13
If paid before 14:00
Part no. A2198202426
Mercedes CLS W219 Door Module Front Right O/S Control Unit A2198202426
PLN 42.95
Delivery - Tue, Jan 13
If paid before 14:00
Part no. A2218210197
Mercedes W221 Cover Wiring Cable Front Door Protection Seal Sleeve A2218210197
PLN 47.95
Delivery - Tue, Jan 13
If paid before 14:00
Part no. A2055403606
Mercedes W205 Front Axle Damper Adjustment Right O/S Wiring Harness A2055403606
PLN 123.95
Free delivery - Tue, Jan 13
If paid before 14:00
Part no. 5Q4959593
Seat Leon Mk3 5F Door Module Control Unit Front Driver's Side Door 5Q4959593
PLN 42.95
Delivery - Tue, Jan 13
If paid before 14:00
Part no. 7519051
BMW 7 Series E65 E66 E67 Electric valve 735i 745i 735Li 745Li 745LiS
PLN 75.95
Free delivery - Tue, Jan 13
If paid before 14:00
Part no. 9127895
BMW E88 Convertible Antenna Aerial DAB Rear Trunk Tailgate 9127895
PLN 237.95
Free delivery - Tue, Jan 13
If paid before 14:00
Part no. 03L906022FL
Audi A6 C6 3.0 TDI 233HP Diesel Engine Control Unit ECU Kit Module 03L906022FL
PLN 474.95
Free delivery - Tue, Jan 13
If paid before 14:00
Part no. 7296108
BMW 4 Series F32 F82 M4 Rear Third Stoplamp Stop Lamp Brake Light White 7296108
PLN 65.95
Free delivery - Tue, Jan 13
If paid before 14:00
Part no. A2128203785
Door Module Mercedes W204 W212 Front Right O/S Control Unit VST A2128203785
PLN 47.95
Delivery - Tue, Jan 13
If paid before 14:00
Part no. A2465400512
Seat Wiring Mercedes C117 Front Seat Left Wiring Harness a2465400512
PLN 94.95
Free delivery - Tue, Jan 13
If paid before 14:00
Part no. 9348726-1
BMW F20 F21 F30 F31 Air Module Control Unit ECU 9348726 0285012518
PLN 123.95
Free delivery - Tue, Jan 13
If paid before 14:00
Part no. A2049009004
Parking Module Mercedes W204 S204 PDC Distance Control Unit Sensor A2049009004
PLN 42.95
Delivery - Tue, Jan 13
If paid before 14:00
Part no. A2661536679-2
Mercedes W169 A170 M166.940 116HP Engine Unit Module ECU A2661536679 Automatic
PLN 237.95
Free delivery - Tue, Jan 13
If paid before 14:00
Part no. A0009058000
Windscreen Camera Mercedes W207 W221 Front Windshield Module Unit A0009058000
PLN 94.95
Free delivery - Tue, Jan 13
If paid before 14:00
Part no. 4H0959760D
Audi A8 4D Front Seat Memory Adjustment Module Unit Right O/S 4H0959760D
PLN 189.95
Free delivery - Tue, Jan 13
If paid before 14:00
Part no. A9105400805
Mercedes Sprinter W910 Fuel Tank Wiring Loom Cable Harness A9105400805
PLN 47.95
Delivery - Tue, Jan 13
If paid before 14:00
Part no. 9229880
BMW E88 Cabrio ECU Body Control Module H3 Junction Box 9229880
PLN 189.95
Free delivery - Tue, Jan 13
If paid before 14:00
Part no. 1828011
Ford Transit Mk8 USB AUX Port Socket Connection Media Adapter BK31-V044K62-AB
PLN 94.95
Free delivery - Tue, Jan 13
If paid before 14:00
Part no. 8589948
BMW G20 G21 Positive Battery Cable Wiring Loom 8589948
PLN 94.95
Free delivery - Tue, Jan 13
If paid before 14:00
Part no. BK2V14301FB
Ford Transit Custom Mk8 Negative Battery Cable Wire Terminal BK2V14301FB
PLN 237.95
Free delivery - Tue, Jan 13
If paid before 14:00
Part no. 6857300
Air Module BMW F01 F02 LCI F10 F11 F13 ICM Crash Control Unit ECU 6857300
PLN 108.95
Free delivery - Tue, Jan 13
If paid before 14:00
Part no. 5M0907357C
Volkswagen VW Tiguan 5N Headlight Range Control Unit Module ECU 5M0907357C
PLN 42.95
Delivery - Tue, Jan 13
If paid before 14:00
Part no. 9134646
Seat Module BMW E65 E66 Front Seat Control Unit Module ECU 9134646
PLN 180.95
Free delivery - Tue, Jan 13
If paid before 14:00
Part no. 8K0959663
Audi A4 B8 A5 8T Voltage Stabilizer Converter Control Unit Module 8K0959663
PLN 42.95
Delivery - Tue, Jan 13
If paid before 14:00
Part no. 8512415-12
Mini Cooper SD R60 ALL4 N47N 143HP Engine Control Unit ECU DDE 8512415 Automatic
PLN 284.95
Free delivery - Tue, Jan 13
If paid before 14:00
Part no. A2709002100-15
Mercedes C117 CLA 180 270.910 122HP Engine ECU Kit A2709002100 Automatic
PLN 1,899.95
Free delivery - Tue, Jan 13
If paid before 14:00
Part no. A2055400428
Battery Wiring Mercedes GLC X253 C253 Diesel OM651 Starter Cable A2055400428
PLN 94.95
Free delivery - Tue, Jan 13
If paid before 14:00
Part no. A2115452301
Mercedes-Benz E-Class S211 W211 Fuse Box Terminal Connection Unit A2115452301
PLN 42.95
Delivery - Tue, Jan 13
If paid before 14:00
Part no. 8585935
BMW F20 F23 F30 F34 F36 LCI Automatic Gearbox Wiring Loom Harness 8585935
PLN 189.95
Free delivery - Tue, Jan 13
If paid before 14:00
Part no. 9380883
BMW F20 F21 F30 F31 Control Unit Air Conditioning A/C Module 9380883
PLN 104.95
Free delivery - Tue, Jan 13
If paid before 14:00
Part no. 7645837
BMW i3 I01 Electric Gearbox Gear Shifting Actuator Module Unit 7645837
PLN 474.95
Free delivery - Tue, Jan 13
If paid before 14:00
Part no. A6519002803
Mercedes W251 R320 CDI OM642 4Matic Engine Unit ECU KIT A6519002803 Key Lock
PLN 1,139.95
Free delivery - Tue, Jan 13
If paid before 14:00
Part no. 02M911024P
Audi A3 8P 2.0 TDI CBBB Diesel Starter Motor 02M911024P
PLN 142.95
Free delivery - Tue, Jan 13
If paid before 14:00
Part no. 8606445
Wiring Harness BMW F20 F21 F30 LCI Motor Sensor System Module 1 8606445
PLN 104.95
Free delivery - Tue, Jan 13
If paid before 14:00
Part no. 8E0959643B
Audi A4 B7 Crash Impact Airbag Sensor Unit Module 8E0959643B
PLN 42.95
Delivery - Tue, Jan 13
If paid before 14:00
Part no. A0038208426
Crash Sensor Mercedes ML W164 W221 Front Rear Impact Airbag Unit A0038208426
PLN 42.95
Delivery - Tue, Jan 13
If paid before 14:00
Part no. 8P0907357F
Audi S4 B7 Headlight Head Light Lamp Range Control Unit Module ECU 8P0907357F
PLN 42.95
Delivery - Tue, Jan 13
If paid before 14:00
Part no. A1679008311
Mercedes C238 Door Control Unit Module ECU Front Left N/S A1679008311
PLN 123.95
Free delivery - Tue, Jan 13
If paid before 14:00
Part no. 3D0937576
VW Volkswagen Phaeton 3D Main Fuse Socket Electrical Control Unit 3D0937576
PLN 42.95
Delivery - Tue, Jan 13
If paid before 14:00
Part no. 8K0971095E
Audi A4 B8 Front Bumper PDC Wiring Park Assist Sensor Harness 8K0971095E
PLN 294.95
Free delivery - Tue, Jan 13
If paid before 14:00
Part no. A0009053006
Battery Wire Mercedes W205 Negative Cable With Battery Sensor 48V A0009053006
PLN 332.95
Free delivery - Tue, Jan 13
If paid before 14:00
Part no. 8E0972112A
Skoda Yeti 5L Rear Bumper PDC Parking Sensor Wiring Loom Harness 8E0972112A
PLN 142.95
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 .