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

-15%
Part no. A2709002100-15
Mercedes C117 CLA 180 270.910 122HP Engine ECU Kit A2709002100 Automatic
Promo price
€503.95
€428.36
Free delivery - Mon, Dec 29
If paid before 14:00

-5%
Part no. A0035453501
Mercedes Vaneo W414 Sprinter W901 W902 W903 Fuse Box Battery A0035453501
Promo price
€23.95
€22.75
Free delivery - Mon, Dec 29
If paid before 14:00

-40%
Part no. A2601503100
Mercedes W177 M260 Petrol Engine Wiring Cable Loom Harness A2601503100
Promo price
€189.95
€113.97
Free delivery - Mon, Dec 29
If paid before 14:00

-5%
Part no. A6396890379
Mercedes Viano Vito W639 Radio Fan Adapter Control Unit Module A6396890379
Promo price
€23.95
€22.75
Free delivery - Mon, Dec 29
If paid before 14:00

-40%
Part no. A2049005503
Mercedes C207 Complete Damper Adjustment Control Module ECU A2049005503
Promo price
€70.95
€42.57
Free delivery - Mon, Dec 29
If paid before 14:00

-40%
Part no. A2139005427
Mercedes W213 C238 Air Suspension Level Control Unit Module Airmatic A2139005427
Promo price
€180.95
€108.57
Free delivery - Mon, Dec 29
If paid before 14:00

-40%
Part no. A1679009011
Mercedes W205 C213 X253 Rear Door Control Module Unit ECU Left N/S A1679009011
Promo price
€42.95
€25.77
Free delivery - Mon, Dec 29
If paid before 14:00

-5%
Part no. A2046190048
Mercedes-Benz C W204 Rear Battery Support Holder Mount Bracket A2046190048
Promo price
€23.95
€22.75
Free delivery - Mon, Dec 29
If paid before 14:00

-40%
Part no. A4159007503
Mercedes Citan W415 Body Control Module Unit BCM ECU A4159007503 284B18276R
Promo price
€237.95
€142.77
Free delivery - Mon, Dec 29
If paid before 14:00

Part no. A2125406105
Mercedes W212 Rear LED Wiring Cable Harness Loom A2125406105
€23.95
Free delivery - Mon, Dec 29
If paid before 14:00

-40%
Part no. A0005457616
Mercedes R171 VDO Transmission Control Unit Module EGS A0005457616
Promo price
€89.95
€53.97
Free delivery - Mon, Dec 29
If paid before 14:00

-5%
Part no. A4478260000
Mercedes Vito W447 Headlight Turn Indicator Light Socket Plug A4478260000
Promo price
€23.95
€22.75
Free delivery - Mon, Dec 29
If paid before 14:00

Part no. A9069006303-1
Mercedes W906 Fuse Box SAM Module Control Unit ZGS Temic A9069006303
€89.95
Free delivery - Mon, Dec 29
If paid before 14:00

-15%
Part no. A1729002601
Mercedes SLK R172 Door Control Unit Module Front Right O/S A1729002601
Promo price
€32.95
€28.01
Free delivery - Mon, Dec 29
If paid before 14:00

-15%
Part no. A2469052602
Dashboard Panel Mercedes W176 W246 Switch Dynamic Select Start/Stop A2469057902
Promo price
€32.95
€28.01
Free delivery - Mon, Dec 29
If paid before 14:00

-5%
Part no. A2128270128-IRS
Roof Antenna Mercedes W212 Shark Trim Panel Iridium Silver - 775 A2128270128
Promo price
€23.95
€22.75
Free delivery - Mon, Dec 29
If paid before 14:00

-15%
Part no. RHD-A1669005212
Mercedes ML W166 Front Door Module Right O/S Door Control Unit A2059006013
Promo price
€32.95
€28.01
Free delivery - Mon, Dec 29
If paid before 14:00

-5%
Part no. A2038301613
Mercedes C CLK Class W203 C209 Engine Bay Fuse Box Right O/S Cover A2038301613
Promo price
€23.95
€22.75
Free delivery - Mon, Dec 29
If paid before 14:00

Part no. A1679001420
Central Locking Module Mercedes C118 W177 Door Lock Control Unit A1679001420
€70.95
Free delivery - Mon, Dec 29
If paid before 14:00

-5%
Part no. A2385452700
Mercedes C238 Rear Control Unit Module Bracket Holder Trim Panel A2385452700
Promo price
€23.95
€22.75
Free delivery - Mon, Dec 29
If paid before 14:00

-5%
Part no. A2045402710
Mercedes W204 Wiring Loom Cable Door Rear Left Right N/O/S A2045402710
Promo price
€23.95
€22.75
Free delivery - Mon, Dec 29
If paid before 14:00

-40%
Part no. A2469009212
Mercedes X117 Tailgate Boot Control Rear Module Unit A2469009212
Promo price
€80.95
€48.57
Free delivery - Mon, Dec 29
If paid before 14:00

Part no. A2125406505
Mercedes W212 Door Wire Wiring Loom Front Right O/S A2125406505
€37.95
Free delivery - Mon, Dec 29
If paid before 14:00

-5%
Part no. A1645451840
Mercedes W164 ECU Control Unit Bracket Holder A1645451840
Promo price
€23.95
€22.75
Free delivery - Mon, Dec 29
If paid before 14:00

-5%
Part no. A2059001811
Mercedes W205 Rear Door Control Module Unit Left N/S ECU A2059001811
Promo price
€23.95
€22.75
Free delivery - Mon, Dec 29
If paid before 14:00

-40%
Part no. A2055401900
Mercedes W205 Parking Sensor Wiring Rear Bumper PDC Loom Cable A2055401900
Promo price
€80.95
€48.57
Free delivery - Mon, Dec 29
If paid before 14:00

-5%
Part no. A2429004101
Mercedes W204 W212 Telephone Control Unit Module ECU A2429004101
Promo price
€23.95
€22.75
Free delivery - Mon, Dec 29
If paid before 14:00

-40%
Part no. A2139000124
Mercedes W213 W222 C257 Amplifier Module Audio Burmester A2139000124
Promo price
€427.95
€256.77
Free delivery - Mon, Dec 29
If paid before 14:00

-40%
Part no. A2059007539
Fuse Box Mercedes S205 Interior Front Relay Fuse Box Sam Module A2059007539
Promo price
€113.95
€68.37
Free delivery - Mon, Dec 29
If paid before 14:00

-40%
Part no. A2711508033
Mercedes W204 Engine Wiring Harness Cable Loom A2711508033
Promo price
€313.95
€188.37
Free delivery - Mon, Dec 29
If paid before 14:00

-15%
Part no. A2079002800
Mercedes W207 Convertible Door Module Front Right O/S Control Unit A2079002800
Promo price
€28.95
€24.61
Free delivery - Mon, Dec 29
If paid before 14:00

Part no. A2465406607-1
Positive Cable Mercedes W176 W246 Battery Lead Plus Pole Red A2465406607
€23.95
Free delivery - Mon, Dec 29
If paid before 14:00

-5%
Part no. A2048205497
Mercedes W204 Display Screen Radio Multimedia Navigation Sat Unit A2048205497
Promo price
€23.95
€22.75
Free delivery - Mon, Dec 29
If paid before 14:00

Part no. A2215408507
Mercedes W221 Door Wiring Harness Cable Front Left Right N/O/S A2215408507
€32.95
Free delivery - Mon, Dec 29
If paid before 14:00

Part no. A2465404300
Mercedes W176 Door Harness Loom Cable Wiring Rear Right A2465404300
€23.95
Free delivery - Mon, Dec 29
If paid before 14:00

-5%
Part no. A0009058000
Windscreen Camera Mercedes W207 W221 Front Windshield Module Unit A0009058000
Promo price
€23.95
€22.75
Free delivery - Mon, Dec 29
If paid before 14:00

-5%
Part no. A2465400140
Mercedes-Benz A-Class W176 Equipment Electrical Cover Fuse Box A2465400140
Promo price
€23.95
€22.75
Free delivery - Mon, Dec 29
If paid before 14:00

-5%
Part no. A6397601804
Mercedes Vito W639 Door Handle Bowden Cable Catch Rear Wire A6397601804
Promo price
€23.95
€22.75
Free delivery - Mon, Dec 29
If paid before 14:00

-15%
Part no. A0048273745
iPod Interface Mercedes W204 W207 W212 Module Control Unit ECU A0048273745
Promo price
€28.95
€24.61
Free delivery - Mon, Dec 29
If paid before 14:00

-15%
Part no. A2469005315
Transmission Module Mercedes W176 OM607 Diesel Control Unit A2469005315
Promo price
€32.95
€28.01
Free delivery - Mon, Dec 29
If paid before 14:00

-5%
Part no. A2038700426
Door Module Mercedes CL203 Front Right O/S Control Unit A2038700426
Promo price
€23.95
€22.75
Free delivery - Mon, Dec 29
If paid before 14:00

Part no. A2215408609
Mercedes W221 Rear Door Wiring Harness Cable Left N/S A2215408609
€32.95
Free delivery - Mon, Dec 29
If paid before 14:00

-40%
Part no. A2215450801
Mercedes W221 Fuse Box Control Unit SAM Module Relay A2215450801
Promo price
€227.95
€136.77
Free delivery - Mon, Dec 29
If paid before 14:00

-15%
Part no. A2711535391-2
Mercedes R171 SLK 200K 184HP M271.944 Engine ECU Kit A2711535391 Key Lock
Promo price
€275.95
€234.56
Free delivery - Mon, Dec 29
If paid before 14:00

-15%
Part no. A2219004003
Steering Wheel Angle Mercedes C216 W221 Sensor Control Unit Module A2219004003
Promo price
€142.95
€121.51
Free delivery - Mon, Dec 29
If paid before 14:00

Part no. A9079001605
Mercedes W907 Central Gateway Control Unit Module Relay ECU A9079001605
€465.95
Free delivery - Mon, Dec 29
If paid before 14:00

-15%
Part no. A2055404913
Mercedes W205 Wiring Cable Harness Center Console Ambient Lightning A2055404913
Promo price
€28.95
€24.61
Free delivery - Mon, Dec 29
If paid before 14:00

-5%
Part no. A2128205026
Mercedes W212 Impact Crash Sensor Door Left Right A2128205026
Promo price
€23.95
€22.75
Free delivery - Mon, Dec 29
If paid before 14:00

-5%
Part no. A1688200289
Mercedes W168 Antenna Amplifier Unit Roof Rear Rail A1688200289
Promo price
€23.95
€22.75
Free delivery - Mon, Dec 29
If paid before 14:00

-5%
Part no. A0465456628
Mercedes W203 W204 W218 Front Seat Wiring Loom Plug Connector A0465456628
Promo price
€23.95
€22.75
Free delivery - Mon, Dec 29
If paid before 14:00

-5%
Part no. A0015456403
Mercedes Sprinter W906 Fuse Box Relay Cover Box Cap A0015456403
Promo price
€23.95
€22.75
Free delivery - Mon, Dec 29
If paid before 14:00

-15%
Part no. A0025451201
Mercedes W169 W245 W906 Fuse Box Carrier A0025451201
Promo price
€28.95
€24.61
Free delivery - Mon, Dec 29
If paid before 14:00

Part no. A2215408908
Mercedes W221 Door Harness Wiring Loom Rear Right O/S A2215408908
€32.95
Free delivery - Mon, Dec 29
If paid before 14:00

Part no. A2769007500
Mercedes W205 C43 4MATIC M276.823 367HP Engine Control ECU A2769007500 Automatic
€379.95
Free delivery - Mon, Dec 29
If paid before 14:00

-5%
Part no. A1698702210
Mercedes-Benz A B W169 W245 Tow Protection Switch Button Control Unit Module
Promo price
€23.95
€22.75
Free delivery - Mon, Dec 29
If paid before 14:00

-15%
Part no. A2078202810
Mercedes W207 Convertible Anti Theft Roof ITS TPS Sensor Module Unit A2078202810
Promo price
€37.95
€32.26
Free delivery - Mon, Dec 29
If paid before 14:00

-5%
Part no. A2465400308-1
Mercedes W176 W246 OM651 Alternator Cable Battery Prefuse Box A2465400308
Promo price
€23.95
€22.75
Free delivery - Mon, Dec 29
If paid before 14:00

Part no. A2055450901
Mercedes C205 Cable Contact Guide Battery Clamp Unit A2055450901
€42.95
Free delivery - Mon, Dec 29
If paid before 14:00

-5%
Part no. A1698207226
Door Module Mercedes W169 W245 Front Right O/S Control Unit A1698207226
Promo price
€23.95
€22.75
Free delivery - Mon, Dec 29
If paid before 14:00

-15%
Part no. A2469009312-1
Mercedes W176 Radio Stereo Head Unit Media Player Navigation A2469009312
Promo price
€104.95
€89.21
Free delivery - Mon, Dec 29
If paid before 14:00

-5%
Part no. A2139005613
Mercedes W213 Front Door Module Right O/S Control Unit A2139005613
Promo price
€23.95
€22.75
Free delivery - Mon, Dec 29
If paid before 14:00

-5%
Part no. A1635401041
Mercedes-Benz M ML W163 Ground Earth Strap Cable Wiring A1635401041
Promo price
€23.95
€22.75
Free delivery - Mon, Dec 29
If paid before 14:00

-15%
Part no. A2539008007
Mercedes X253 Rain And Light Sensor Control Unit Module ECU A2539008007
Promo price
€28.95
€24.61
Free delivery - Mon, Dec 29
If paid before 14:00

-5%
Part no. A6395450203
Mercedes-Benz Vito W639 Fuse Box Cover Cap Trim A6395450203
Promo price
€23.95
€22.75
Free delivery - Mon, Dec 29
If paid before 14:00

Part no. A2709000900-7
Mercedes W246 B180 270.910 122HP BlueEffi Engine ECU A2709000900 Automatic
€327.95
Free delivery - Mon, Dec 29
If paid before 14:00

-15%
Part no. A2055403103
Alternator Starter Wiring Harness Mercedes W205 GLC C253 OM651 A2055403103
Promo price
€28.95
€24.61
Free delivery - Mon, Dec 29
If paid before 14:00

-15%
Part no. A1648701589
Mercedes ML W164 Aerial Antenna Amplifier Module Unit A1648701589
Promo price
€28.95
€24.61
Free delivery - Mon, Dec 29
If paid before 14:00

Part no. A6519003403-1
Mercedes W906 314 CDI OM651 Engine Module ECU Kit A6519003403 Automatic
€474.95
Free delivery - Mon, Dec 29
If paid before 14:00

-5%
Part no. A2465451440
Mercedes W176 Fuse Relay Box Cover Cap Top Trim Lid A2465451440
Promo price
€23.95
€22.75
Free delivery - Mon, Dec 29
If paid before 14:00

Part no. A2218705687
Mercedes W221 Linguatronic Control Module Unit ECU English Version A2218705687
€85.95
Free delivery - Mon, Dec 29
If paid before 14:00

-5%
Part no. A2059006615
Mercedes W205 Windscreen Rain Sensor Front Control Unit A2059006615
Promo price
€23.95
€22.75
Free delivery - Mon, Dec 29
If paid before 14:00

-5%
Part no. A4145400130
Mercedes-Benz Vaneo W414 Cable Starter Line Positive Line Battery A4145400130
Promo price
€23.95
€22.75
Free delivery - Mon, Dec 29
If paid before 14:00

Part no. A1775408457
Mercedes W118 W177 Alternator Earth Cable Wiring Harness Loom A1775408457
€80.95
Free delivery - Mon, Dec 29
If paid before 14:00

-5%
Part no. A2128208726
Mercedes W212 Door Module Rear Left N/S Control Unit ECU A2128208726
Promo price
€23.95
€22.75
Free delivery - Mon, Dec 29
If paid before 14:00

-15%
Part no. A2055408104
Battery Cable Mercedes W205 X253 Diesel OM651 Alternator Wiring A2055408104
Promo price
€28.95
€24.61
Free delivery - Mon, Dec 29
If paid before 14:00

Part no. A9075407312
Mercedes W907 Battery Fuse Box Positive Distribution Terminal A2479061803
€56.95
Free delivery - Mon, Dec 29
If paid before 14:00

-5%
Part no. A1695453740
Mercedes-Benz A-Class W169 Fuse Box Unit Holder Bracket Frame A1695453740
Promo price
€23.95
€22.75
Free delivery - Mon, Dec 29
If paid before 14:00

-5%
Part no. A2059068501
Mercedes W205 Fuse Box Rear Relay Electrical Control Unit Box A2059068501
Promo price
€23.95
€22.75
Free delivery - Mon, Dec 29
If paid before 14:00

-15%
Part no. A2055457540
Mercedes W205 C238 X253 W213 Inner Firewall Contact Support A2055457540
Promo price
€32.95
€28.01
Free delivery - Mon, Dec 29
If paid before 14:00

-15%
Part no. A2218707386
Mercedes W221 Door Control Unit Module Right Rear O/S A2218707386
Promo price
€37.95
€32.26
Free delivery - Mon, Dec 29
If paid before 14:00

-15%
Part no. A9079051602
Mercedes W907 Aerial Antenna Amplifier Control Unit Module A9079051602
Promo price
€32.95
€28.01
Free delivery - Mon, Dec 29
If paid before 14:00

Part no. RHD-A1664404337
Mercedes C292 Positive Cable Battery Starter Alternator Plus Wiring A1664404337
€85.95
Free delivery - Mon, Dec 29
If paid before 14:00

-5%
Part no. A2075844181
Mercedes C207 Fuse Box Grouping Fuse Placement Map Card Diagram A2075844181
Promo price
€23.95
€22.75
Free delivery - Mon, Dec 29
If paid before 14:00

Part no. A0015453116
Mercedes W211 Automatic Gearbox Transmission Module Control Unit A0015453116
€28.95
Free delivery - Mon, Dec 29
If paid before 14:00

-15%
Part no. A1775409357
Mercedes W177 M282 Starter Alternator Electrical Wiring Harness A1775409357
Promo price
€28.95
€24.61
Free delivery - Mon, Dec 29
If paid before 14:00

Part no. A0009822023
Mercedes W204 W212 W221 Battery Relay Module Unit A0009822023
Product currently unavailable

-5%
Part no. A9064461442
Mercedes Sprinter W906 ECU Control Unit Sensor Module A9064461442
Product currently unavailable

Part no. A9069006303
Mercedes W906 Fuse Box Control Unit Module ZGS Temic A9069006303
Product currently unavailable

Part no. A6397601704
Bowden Cable Mercedes W639 Rear Sliding Door Exterior Handle Wire A6397601704
Product currently unavailable

Part no. A0001139065
Starter Motor Mercedes W204 W212 OM651 Diesel Engine Starter A0001139065
Product currently unavailable

-15%
Part no. A0009060401
Mercedes W204 OM651 14V 150A Alternator Generator Engine Start/Stop A0009060401
Product currently unavailable

Part no. A0045429118
ECU Module Mercedes W169 W211 W245 Yaw Rate Sensor Unit ESP A0045429118
Product currently unavailable

Part no. A9069003502
Mercedes W906 Fuse Box Relay Control Unit Electric Module SAM A9069003502
Product currently unavailable

-5%
Part no. A2038201585
Mercedes W203 Door Control Module Front Left N/S A2038201585
Product currently unavailable

-15%
Part no. A2139068801
Mercedes W205 W213 Fuse Box Rear SAM Module Electrical Unit A2139068801
Product currently unavailable

Part no. A2049017801
Mercedes W204 W212 Windscreen Rain Sensor Control Unit A2049017801
Product currently unavailable

Part no. A6398201026
Mercedes Vito W639 Door Front Left N/S Control Unit Module ECU A6398201026
Product currently unavailable

Part no. A6421540402
Mercedes W164 W204 W211 OM642 Diesel Alternator Generator A6421540402
Product currently unavailable

Part no. A6511505520
Engine Wiring Mercedes W906 OM651.955 Euro 5 Cable Loom Harness A6511505520
Product currently unavailable
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 .