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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In Stock
Price
Part no. 4F0910223M
Audi A6 C6 Amplifier Audio Sound Control Unit Module Controller 4F0910223M
€23.95
Free delivery - Fri, Nov 21
If paid before 14:00
Part no. 04L907309G-1
Volkswagen New Beetle 2.0 TDI CUUA 110HP Engine Unit ECU Kit 04L907309G Manual
€222.95
Free delivery - Fri, Nov 21
If paid before 14:00
Part no. 06K907425B-15
Audi S3 8V 2.0 TFSI DJHA 310HP Quattro Engine Unit ECU Kit 06K907425B Automatic
€360.95
Free delivery - Fri, Nov 21
If paid before 14:00
Part no. 04L906021CK
Audi Q5 8R 2.0 TDI CNHA Quattro 190HP Engine Unit ECU Kit 04L906021CK Automatic
€450.95
Free delivery - Fri, Nov 21
If paid before 14:00
Part no. 6777641-2
BMW X5 E70 E81 E87 E90 E91 E92 E93 Air Module Wiring Steering Wheel Loom 6777641
€32.95
Free delivery - Fri, Nov 21
If paid before 14:00
Part no. 9264974
BMW E81 E82 E87 E88 E90 E91 Front Seat Control Module 9264974
€85.95
Free delivery - Fri, Nov 21
If paid before 14:00
Part no. 575035816A
Seat Ibiza Mk5 KJ1 Multimedia Radio CD Player Head Unit 575035816A
€142.95
Free delivery - Fri, Nov 21
If paid before 14:00
Part no. 3Q0907530BF
VW Polo Mk6 Seat Ibiza Mk5 Central Gateway Control Unit Relay ECU 3Q0907530BF
€85.95
Free delivery - Fri, Nov 21
If paid before 14:00
Part no. 5K0962132B
Seat Ibiza V KJ1 Keyless Entry Amplifier Aerial Antenna Module Inner 5K0962132B
€23.95
Free delivery - Fri, Nov 21
If paid before 14:00
Part no. 5QF959655BT
Seat Ibiza Mk5 Air Module Control Unit 5QF959655BT
€218.95
Free delivery - Fri, Nov 21
If paid before 14:00
Part no. 2Q0980653H
Seat Ibiza KJ1 VW Polo MK6 Front Camera Lane Assist Control Unit 2Q0980653H
€75.95
Free delivery - Fri, Nov 21
If paid before 14:00
Part no. 1K0035507L
VW Volkswagen Scirocco Mk3 Roof Top Antenne Control Unit Module 1K0035507L
€23.95
Free delivery - Fri, Nov 21
If paid before 14:00
Part no. 95860411300
Porsche Macan 95B Audi A8 D4 Starter Motor 12V DENSO 95860411300 06M911024
€47.95
Free delivery - Fri, Nov 21
If paid before 14:00
Part no. 06F903023D
Skoda Fabia Mk2 5J Engine Alternator Generator Unit 14V 110A 06F903023D
€28.95
Free delivery - Fri, Nov 21
If paid before 14:00
Part no. 5QA919283
Audi A3 S3 8V Parking Assist PDC Control Module 5QA919283
€28.95
Free delivery - Fri, Nov 21
If paid before 14:00
Part no. 9241826-1
BMW F10 F11 On Board Screen Central Information Display Monitor 10,25" 9241826
€94.95
Free delivery - Fri, Nov 21
If paid before 14:00
Part no. 05C907309F-1
Seat Ibiza 6J FR 1.0 TSI DUSA 115HP Engine Control ECU Kit 05C907309F Automatic
€165.95
Free delivery - Fri, Nov 21
If paid before 14:00
Part no. 04L907309R-3
Audi A3 8V VW Golf VII 2.0 TDI 150HP CRLB Engine Unit ECU Kit 04L907309R Manual
€132.95
Free delivery - Fri, Nov 21
If paid before 14:00
Part no. 4F1941824A
Audi A5 F5 Fuse Box Control Module Connector Plug Socket Wiring Loom 4F1941824A
€23.95
Free delivery - Fri, Nov 21
If paid before 14:00
Part no. 6C1T-14A076-BB
Ford Transit Mk7 Fuse Box Cover Electrical Unit Housing Trim Cap 6C1T-14A076-BB
€23.95
Free delivery - Fri, Nov 21
If paid before 14:00
Part no. 4E0941817B
Audi A6 A8 D4 Q7 4M CAN Bus Jumper Contact Bridge Connector Plug 4E0941817B
€23.95
Free delivery - Fri, Nov 21
If paid before 14:00
Part no. 4M0941828H
Audi Q7 4M Fuse Box Battery Terminal Cover Housing 4M0941828H
€32.95
Free delivery - Fri, Nov 21
If paid before 14:00
Part no. 06K907425B-13
Volkswagen Golf VII R 2.0TSI CJXC 300HP Engine Control ECU Kit 06K907425B Manual
€284.95
Free delivery - Fri, Nov 21
If paid before 14:00
Part no. 6R0971349AP
VW Volkswagen Polo 6R 1.4 TSI Petrol Alternator Wiring Harness Loom 6R0971349AP
€23.95
Free delivery - Fri, Nov 21
If paid before 14:00
Part no. A2475402228
Mercedes W177 Recirculation Pump Wiring Loom Cable Harness A2475402228
€42.95
Free delivery - Fri, Nov 21
If paid before 14:00
Part no. A1775401758
Mercedes W118 W177 W247 Starter Alternator Wiring Loom Harness Cable A1775401758
€80.95
Free delivery - Fri, Nov 21
If paid before 14:00
Part no. 06J903023A-1
Audi Volkswagen Seat Skoda Petrol Alternator Generator 14V 140A 06J903023A
€37.95
Free delivery - Fri, Nov 21
If paid before 14:00
Part no. 5Q0959393K
Audi Q2 GA A3 8V Front Door Control Module Unit Right O/S 5Q0959393K
€23.95
Free delivery - Fri, Nov 21
If paid before 14:00
Part no. A1775408457
Mercedes W118 W177 Alternator Earth Cable Wiring Harness Loom A1775408457
€80.95
Free delivery - Fri, Nov 21
If paid before 14:00
Part no. 95B980654D
Porsche Macan 95B Front Windscreen Lane Assist Kafas Camera 95B980654D
€218.95
Free delivery - Fri, Nov 21
If paid before 14:00
Part no. 7PP907064LA
Porsche Macan 95B Body Comfort Module Control Unit 7PP907064LA
€237.95
Free delivery - Fri, Nov 21
If paid before 14:00
Part no. 7PP035620GC
Porsche Macan 95B Navigation Tracking Control Module 7PP035620GC
€132.95
Free delivery - Fri, Nov 21
If paid before 14:00
Part no. 95B907530P
Porsche Macan 95B Body Gateway Module ECU Control Unit 95B907530L
€66.95
Free delivery - Fri, Nov 21
If paid before 14:00
Part no. 95B959655G
Porsche Macan 95B Air Module Control Unit ECU 95B959655G
€94.95
Free delivery - Fri, Nov 21
If paid before 14:00
Part no. 8R0867749A
Porsche Macan 95B Battery Holder Strap Mounting Bracket Clamp 8R0867749A
€28.95
Free delivery - Fri, Nov 21
If paid before 14:00
Part no. 057911024
Audi A4 B9 A5 F5 Q7 4M Q5 FY VW Volkswagen Touareg Mk3 Starter Motor 057911024
€37.95
Free delivery - Fri, Nov 21
If paid before 14:00
Part no. 95B919294C
Porsche Macan 95B PDC Parking Sensor Control Module Unit 95B919294C
€161.95
Free delivery - Fri, Nov 21
If paid before 14:00
Part no. 7P5959107E
Porsche Macan 95B Rear Tailgate Control Module Unit 7P5959107E
€56.95
Free delivery - Fri, Nov 21
If paid before 14:00
Part no. 9380322
BMW F01 F02 F03 F10 F11 F13 Central Gateway Control Lear Module Unit ECU 9380322
€47.95
Free delivery - Fri, Nov 21
If paid before 14:00
Part no. 5WA919275B-KYG
Audi A3 S3 8Y PDC Parking Distance Sensor 5WA919275C Kyalami Green - Z6A
€28.95
Free delivery - Fri, Nov 21
If paid before 14:00
Part no. A6421509777-1
Mercedes W221 S320 CDI 232HP Engine Control Module ECU Set A6421509777 Automatic
€265.95
Free delivery - Fri, Nov 21
If paid before 14:00
Part no. 83A962239
Audi A3 8Y Q3 F3 Rear Hatch Boot Lid Tailgate Opening Cable Wiring 83A962239
€70.95
Free delivery - Fri, Nov 21
If paid before 14:00
Part no. 4F5035225AJ
Audi A6 C6 Aerial Antenna Amplifier Right O/S FM Booster Unit 4F5035225AJ
€23.95
Free delivery - Fri, Nov 21
If paid before 14:00
Part no. 7P0907311-1
Volkswagen Touareg 7P 3.0 TDI CASD 204HP Engine Unit ECU Set 7P0907311 Automatic
€693.95
Free delivery - Fri, Nov 21
If paid before 14:00
Part no. 4M0971349Q
Audi Q7 4M Electric Alternator Starter Positive Wiring Harness Cable 4M0971349Q
€28.95
Free delivery - Fri, Nov 21
If paid before 14:00
Part no. 4M0971237S
Audi Q7 4M Q8 Mk1 Battery Negative Cable Wiring Earth Line 4M0971237S
€37.95
Free delivery - Fri, Nov 21
If paid before 14:00
Part no. 7P0937401
Volkswagen Touareg 7P Power Distribution Unit Positive Battery Socket 7P0937401
€37.95
Free delivery - Fri, Nov 21
If paid before 14:00
Part no. 4M0971228DH
Audi Q7 4M Q8 Mk1 Starter Motor Wiring Harness Cable Line 4M0971228DH
€113.95
Free delivery - Fri, Nov 21
If paid before 14:00
Part no. 057911022
Audi Q7 4M Engine Starter Motor Actuator Starter Valeo 3.0 TDI Diesel 057911022
€32.95
Free delivery - Fri, Nov 21
If paid before 14:00
Part no. 95B907801C
Porsche Macan 95B Electric Parking Brake Module Control Unit 95B907801C
€37.95
Free delivery - Fri, Nov 21
If paid before 14:00
Part no. 7P6971693A
Volkswagen Touareg 7P Door Harness Wiring Loom Rear Left Right N/O/S 7P6971693A
€28.95
Free delivery - Fri, Nov 21
If paid before 14:00
Part no. 4H0959792F
VW Touareg 7P Front Door Control Module Unit ECU Passenger Side 4H0959792F
€23.95
Free delivery - Fri, Nov 21
If paid before 14:00
Part no. 4H0959793F
VW Touareg 7P Front Door Control Module Unit ECU Driver's Side 4H0959793F
€23.95
Free delivery - Fri, Nov 21
If paid before 14:00
Part no. 7P6971162EC
VW Touareg 7P Door Wiring Loom Harness Cable Front Driver's Side 7P6971162DJ
€42.95
Free delivery - Fri, Nov 21
If paid before 14:00
Part no. 7P6971161FL
VW Touareg 7P Door Wiring Loom Harness Cable Front Passenger Side 7P6971161ES
€42.95
Free delivery - Fri, Nov 21
If paid before 14:00
Part no. 7P6971121H
VW Volkswagen Touareg 7P Door Wiring Loom Harness Front Left N/S 7P6971121C
€28.95
Free delivery - Fri, Nov 21
If paid before 14:00
Part no. 04E971612ES
Seat Ibiza 6J Engine Wiring Harness Loom Manual Gearbox 1.2 TSI CJZC 04E971612ES
€42.95
Free delivery - Fri, Nov 21
If paid before 14:00
Part no. 2H0959652
Porsche Macan 95B VW Amarok Front Crash Impact Sensor Air Module 2H0959652
€47.95
Free delivery - Fri, Nov 21
If paid before 14:00
Part no. 09185826
Vauxhall Opel Relay Speed Signal Electrical Unit 5 Pin Siemens Orange 09185826
€23.95
Free delivery - Fri, Nov 21
If paid before 14:00
Part no. A1779008103
Mercedes W177 W247 Telematics Module Communication Control Unit A1779008103
€66.95
Free delivery - Fri, Nov 21
If paid before 14:00
Part no. 8K0035474B
Audi A4 B8 A5 8T Connector AUX Adapter Port Socket Plug 8K0035474B
€23.95
Free delivery - Fri, Nov 21
If paid before 14:00
Part no. A6401500434-1
Mercedes W169 A160 CDI OM640.942 82HP Engine Unit ECU Kit A6401500434 Automatic
€227.95
Free delivery - Fri, Nov 21
If paid before 14:00
Part no. 03C906027AR
VW Polo 6R V GTI 1.4 TSI CAVE 180HP Engine Control ECU Kit 03C906027AR Automatic
€203.95
Free delivery - Fri, Nov 21
If paid before 14:00
Part no. 2Q0971537AB
VW Polo Mk6 Seat Ibiza Mk5 KJ1 Battery Negative Cable Earth Wiring 2Q0971537AB
€23.95
Free delivery - Fri, Nov 21
If paid before 14:00
Part no. 1477973
Ford Transit Connect Mk1 Starter Motor Engine Actuator 1.8 Diesel 2T14-11000-BC
€47.95
Free delivery - Fri, Nov 21
If paid before 14:00
Part no. A2239052400
Mercedes W177 W223 W247 Crash Impact Deployment Sensor Unit A2239052400
€28.95
Free delivery - Fri, Nov 21
If paid before 14:00
Part no. A0009056121
Mercedes W118 W177 W247 Front Radar Distance Control Unit Module A0009056121
€142.95
Free delivery - Fri, Nov 21
If paid before 14:00
Part no. A2139007839
Mercedes W167 W177 W247 Headlight Ballast Control Module Left N/S A2139007839
€89.95
Free delivery - Fri, Nov 21
If paid before 14:00
Part no. A0009004839
Mercedes C118 W177 C247 Battery Control Module Unit ECU A0009004839
€284.95
Free delivery - Fri, Nov 21
If paid before 14:00
Part no. A2059006213
Mercedes W205 Rear Door Module Control Unit ECU Left N/S A2059006213
€23.95
Free delivery - Fri, Nov 21
If paid before 14:00
Part no. 8V4971030AD
Audi A3 S3 8V Front Door Wiring Harness Loom Cable Passenger Side 8V4971030AD
€61.95
Free delivery - Fri, Nov 21
If paid before 14:00
Part no. 8V5971687Q
Audi A3 8V Door Wiring Harness Loom Rear Left Right N/O/S 8V5971687Q
€32.95
Free delivery - Fri, Nov 21
If paid before 14:00
Part no. 8V5035225
Audi A3 8V Keyless Entry Amplifier Control Box Module Aerial Antenna 8V5035225
€23.95
Free delivery - Fri, Nov 21
If paid before 14:00
Part no. 8V0907376H
Audi A3 S3 8V AMR Module Rear Suspension Damper Control Unit 8V0907376H
€142.95
Free delivery - Fri, Nov 21
If paid before 14:00
Part no. 8650701-1
BMW F80 M3 F82 F83 M4 S55 431HP Engine Module ECU DME Kit 8650701 Automatic
€1,125.95
Free delivery - Fri, Nov 21
If paid before 14:00
Part no. 5WA959436J-1
Audi A3 RS3 8Y Keyless Go Module ECU Entry Control Unit 5WA959436J
€32.95
Free delivery - Fri, Nov 21
If paid before 14:00
Part no. 5WA980653C
Audi A3 S3 RS3 8Y Front Camera FAS Lane Assistance Control Unit 5WA980653C
€94.95
Free delivery - Fri, Nov 21
If paid before 14:00
Part no. 5WA907530Q
Audi A3 RS3 8Y Gateway Control Unit Module ECU GW2020 High 5WA907530Q
€32.95
Free delivery - Fri, Nov 21
If paid before 14:00
Part no. A1775409141
Mercedes W177 W243 W247 Front Door Wiring Harness Cable Driver Side A1775409141
€32.95
Free delivery - Fri, Nov 21
If paid before 14:00
Part no. A1775402811
Mercedes W177 W243 W247 Rear Door Wiring Harness Cable Left N/S A1775402811
€32.95
Free delivery - Fri, Nov 21
If paid before 14:00
Part no. 07K907309L
Audi RS3 8Y 2.5 TFSI Quattro 400HP DNWC Engine Unit ECU 07K907309L Automatic
€902.95
Free delivery - Fri, Nov 21
If paid before 14:00
Part no. 8X0959793E
Audi A1 8X Q3 8U Front Door Module Driver's Side Control Unit ECU 8X0959793E
€23.95
Free delivery - Fri, Nov 21
If paid before 14:00
Part no. A2478207502
Mercedes C118 W177 W243 W247 Centre Console Dual USB-C Socket Ports A2478207502
€32.95
Free delivery - Fri, Nov 21
If paid before 14:00
Part no. 8W0947356E
Audi A5 S5 F5 Interior Door Panel Courtesy Light LED Wiring Harness 8W0947356E
€23.95
Free delivery - Fri, Nov 21
If paid before 14:00
Part no. A2069055100
Mercedes C118 W167 W177 W206 W247 Stereo Amplifier Harman Kardon A2069055100
€23.95
Free delivery - Fri, Nov 21
If paid before 14:00
Part no. A2479007312
Mercedes W212 Suspension Module Adjustment Control Unit Controller A2479007312
€94.95
Free delivery - Fri, Nov 21
If paid before 14:00
Part no. A1679009330
Mercedes C118 W167 W177 W243 W247 Ignition Control Module Unit ECU A1679009330
€284.95
Free delivery - Fri, Nov 21
If paid before 14:00
Part no. A0009004836
Mercedes W177 W247 Driving Dynamics Module Control Unit ECU A0009004836
€142.95
Free delivery - Fri, Nov 21
If paid before 14:00
Part no. 1EA907376B
Audi A3 S3 8Y Rear Suspension Damper Module Control Unit ECU 1EA907376B
€56.95
Free delivery - Fri, Nov 21
If paid before 14:00
Part no. A1668203426
Mercedes W166 C292 Front Seat Adjuster Module Unit Left Right N/O/S A1668203426
€42.95
Free delivery - Fri, Nov 21
If paid before 14:00
Part no. A2789060600
Mercedes W166 R172 W205 C207 W212 C216 Engine Starter Motor 12V A2789060600
€51.95
Free delivery - Fri, Nov 21
If paid before 14:00
Part no. 4M0907401AM
Audi Q7 4M 3.0TDI DPXB Quattro 218HP Engine Control ECU 4M0907401AM Automatic
€759.95
Free delivery - Fri, Nov 21
If paid before 14:00
Part no. 8W0907064EC
Audi A5 F5 BCM Body Comfort Module Onboard Control Unit ECU 8W0907064EC
€94.95
Free delivery - Fri, Nov 21
If paid before 14:00
Part no. 4M0907590D
Audi S5 F5 Blind Spot Radar Distance Control Module Left N/S Slave 4M0907590D
€161.95
Free delivery - Fri, Nov 21
If paid before 14:00
Part no. 4M0941823E
Audi Q7 4M Positive Battery Terminal Distribution Box 4M0941823E
€66.95
Free delivery - Fri, Nov 21
If paid before 14:00
Part no. 4M0907566D
Audi S5 F5 Blind Spot Radar Distance Control Module Right O/S Master 4M0907590D
€161.95
Free delivery - Fri, Nov 21
If paid before 14:00
Part no. 7188557
BMW F10 S63N Control Unit Fuel Pump 7188557
€360.95
Free delivery - Fri, Nov 21
If paid before 14:00
Part no. 8X0971365
Audi A1 8X Driver's Seat Cable Seat Belt Warning Wiring Loom Harness 8X0971365
€42.95
Free delivery - Fri, Nov 21
If paid before 14:00
Part no. 04B903023B
Volkswagen Polo Mk5 Alternator Generator 140A Diesel Engine 04B903023D
€32.95
Free delivery - Fri, Nov 21
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 .