Automotive electrical systems
More informationAt Global Parts, we offer a wide selection of original used car parts, including automotive electrical systems for many popular car brands such as BMW, Mini, Mercedes, Audi, Volkswagen, and others. Each of our car parts undergoes quality control to ensure you receive a top-quality product.
Make
Category
Subcategory
Condition
In Stock
Price
Part no. 4F0959795P
Audi A6 C6 Rear Left N/S Door Lock Control Module Unit ECU 4F0959795P
€23.95
Free delivery - Tue, Nov 04
If paid before 14:00
Part no. 8W0906093F
A4 B9 35 TFSI Fuel Pump Sender Control Relay Module Unit ECU 8W0906093F
€47.95
Free delivery - Tue, Nov 04
If paid before 14:00
Part no. 03L906022DH
Audi TT 8J 2.0 TDI 170HP CBBB Quattro Engine Module Unit ECU 03L906022DH Manual
€85.95
Free delivery - Tue, Nov 04
If paid before 14:00
Part no. 8P0907279P
Audi A3 8P Gateway Interface Onboard Supply Control Module Unit ECU 8P0907279P
€237.95
Free delivery - Tue, Nov 04
If paid before 14:00
Part no. 04L907309AB-1
Audi Q3 8U 2.0 TDI DFTA 150HP Quattro Engine ECU Kit Ignition + Key 04L907309AB
€161.95
Free delivery - Tue, Nov 04
If paid before 14:00
Part no. 8P0035399B
Audi A3 8P Speaker Tweeter Front Left Right N/O/S Pillar A 8P0035399B
€23.95
Free delivery - Tue, Nov 04
If paid before 14:00
Part no. 8P0959655P
Audi A3 8P Air Module Control Unit ECU Module 8P0959655P
€23.95
Free delivery - Tue, Nov 04
If paid before 14:00
Part no. 8J0971226
Audi TT 8J Negative Battery Cable Lead 8J0971226
€23.95
Free delivery - Tue, Nov 04
If paid before 14:00
Part no. 4F0959792T
Audi A6 C6 Front Left N/S Door Lock Control Module Unit ECU 4F0959792T
€23.95
Free delivery - Tue, Nov 04
If paid before 14:00
Part no. 5WB959107B
Audi Q2 GA Rear Boot Trunk Lid Tailgate Control Unit Module ECU 7367747
€70.95
Free delivery - Tue, Nov 04
If paid before 14:00
Part no. 4H0907801F
Audi A6 C7 Parking Brake Handbrake Module Control Unit 4H0907801F
€23.95
Free delivery - Tue, Nov 04
If paid before 14:00
Part no. 5Q0971228K
Audi A3 8V 1.5 TFSI DPCA Positive Battery Cable Lead Clamp Wire Loom 5Q0971228K
€23.95
Free delivery - Tue, Nov 04
If paid before 14:00
Part no. 4F7910401L-1
Audi A6 C6 2.7 TDI CANC Quattro 190HP Engine Control Unit ECU Kit 4F7910401L
€284.95
Free delivery - Tue, Nov 04
If paid before 14:00
Part no. 8T0959792D
Audi A5 8T Front Door Control Module Unit Left N/S 8T0959792D
€23.95
Free delivery - Tue, Nov 04
If paid before 14:00
Part no. 8R0907468C
Audi A5 8T 2.0 TDI Gateway Control Module Unit ECU 8R0907468C
€23.95
Free delivery - Tue, Nov 04
If paid before 14:00
Part no. 5Q0971230ES
Battery Cable Audi A3 8V Starter Alternator Wiring Harness 5Q0971230ES
€28.95
Free delivery - Tue, Nov 04
If paid before 14:00
Part no. 8X0035225J
Audi A1 8X Antenna Booster Amplifier Upper Rear Right O/S 8X0035225J
€23.95
Free delivery - Tue, Nov 04
If paid before 14:00
Part no. 8X0959792F
Audi A1 8X Front Door Control Module Unit Passenger Side 8X0959792F
€23.95
Free delivery - Tue, Nov 04
If paid before 14:00
Part no. 1S0919275D-MRE
Audi A5 8T PDC Parking Distance Control Sensor 1S0919275D Misano Red Pearl - Z3M
€23.95
Free delivery - Tue, Nov 04
If paid before 14:00
Part no. 4E0910148C
Audi A8 4E S8 D3 TV Tuner DVB Receiver Hybrid Digital / Analog 4E0910148C
€94.95
Free delivery - Tue, Nov 04
If paid before 14:00
Part no. 8W8971687M
Audi A5 F5 Sportback Door Wiring Harness Loom Rear Left N/S 8W8971687M
€47.95
Free delivery - Tue, Nov 04
If paid before 14:00
Part no. 8K0907472
Audi A4 B8 Headlight Headlamp LED Module Control Unit 8K0907472
€37.95
Free delivery - Tue, Nov 04
If paid before 14:00
Part no. 03L906018KP
Audi TT 8J CFGB 2.0 TDI Quattro 170HP Engine ECU Kit 03L906018KP Automatic
€146.95
Free delivery - Tue, Nov 04
If paid before 14:00
Part no. 8U0907468Q
Audi Q3 8U Gateway Control Module Unit ECU 8U0907468Q
€23.95
Free delivery - Tue, Nov 04
If paid before 14:00
Part no. 8K0959793S
Audi A4 B8 Front Door Control Module Unit ECU 8K0959793S
€23.95
Free delivery - Tue, Nov 04
If paid before 14:00
Part no. 4H0959655H
Audi A7 4G8 Air Module Control Unit ECU SRS Module Unit 4H0959655H
€23.95
Free delivery - Tue, Nov 04
If paid before 14:00
Part no. 4H0907182H
Audi A8 D4 4H Front Seat Backrest Control Module Unit ECU 4H0907182H
€23.95
Free delivery - Tue, Nov 04
If paid before 14:00
Part no. 04L903018A
Audi A4 B9 A5 F5 Q5 FY A6 C8 A7 C8 Alternator Generator Valeo 04L903018A
€123.95
Free delivery - Tue, Nov 04
If paid before 14:00
Part no. 8E0057185KX
Audi A4 B7 Radio Media Player Audio CD Head Unit Player Concert 8E0057185KX
€113.95
Free delivery - Tue, Nov 04
If paid before 14:00
Part no. 8T0907468H
Audi A4 B8 Gateway Interface Control Module Unit ECU 8T0907468H
€23.95
Free delivery - Tue, Nov 04
If paid before 14:00
Part no. 03L906018PH
Audi Q3 8U 2.0 TDI CFGC 177HP Quattro Engine Control Unit ECU 03L906018PH
€189.95
Free delivery - Tue, Nov 04
If paid before 14:00
Part no. 8K0959792S
Audi A4 B8 Front Door Control Module Unit ECU Passenger Side 8K0959792S
€23.95
Free delivery - Tue, Nov 04
If paid before 14:00
Part no. 8K0959793H
Audi A4 B8 A5 8T Door Module Control Front Unit ECU 8K0959793H
€32.95
Free delivery - Tue, Nov 04
If paid before 14:00
Part no. 04L907309K-1
Audi Q3 8U 2.0 TDI Quattro Engine ECU Kit 04L907309K Ignition + Key
€161.95
Free delivery - Tue, Nov 04
If paid before 14:00
Part no. 8K0959655N
Audi A4 B8 A5 8T Air Module Control Unit ECU 8K0959655N
€23.95
Free delivery - Tue, Nov 04
If paid before 14:00
Part no. 4H0909131
Audi A8L 4H Ignition Keyless Entry Reader Coil Module 4H0909131
€23.95
Free delivery - Tue, Nov 04
If paid before 14:00
Part no. 03L906018JM-1
Audi Q5 8R 2.0 TDI CGLC Quattro 177HP Engine Control ECU Kit 03L906018JM Manual
€237.95
Free delivery - Tue, Nov 04
If paid before 14:00
Part no. 03G906018DN-2
Audi A3 8P 2.0 TDI 170HP BMN Engine Control Unit ECU 03G906018DN Automatic
€42.95
Free delivery - Tue, Nov 04
If paid before 14:00
Part no. 8W6971036G
Audi A4 B9 A5 F5 Front Door Wiring Harness Cable Passenger Side 8W6971036D
€42.95
Free delivery - Tue, Nov 04
If paid before 14:00
Part no. 8R0907364B
Audi Q5 8R A5 8T A4 B8 Active Suspension Module Damping Control Unit 8R0907364B
€42.95
Free delivery - Tue, Nov 04
If paid before 14:00
Part no. 8P0959655S
Audi A3 8P Air Module Control Sensor SRS System ECU Unit 8P0959655S
€23.95
Free delivery - Tue, Nov 04
If paid before 14:00
Part no. 8W6971035AN
Audi A5 F5 Front Door Wiring Harness Cable Driver's Side 8W6971035R
€56.95
Free delivery - Tue, Nov 04
If paid before 14:00
Part no. 1J0906381B
Audi TT 8N Fuse Box Relay Control Unit Module 1J0906381B
€23.95
Free delivery - Tue, Nov 04
If paid before 14:00
Part no. 5Q1937084C
Audi Q2 GA Module BCM Body Control Unit Module ECU 5Q1937084C
€127.95
Free delivery - Tue, Nov 04
If paid before 14:00
Part no. 8U0959655B
Audi Q3 8U Air Module Control Unit SRS System ECU 8U0959655B
€32.95
Free delivery - Tue, Nov 04
If paid before 14:00
Part no. 8R0907468L
Audi A5 8F Gateway Control Unit Module ECU 8R0907468L
€23.95
Free delivery - Tue, Nov 04
If paid before 14:00
Part no. 4L0910289K
Audi Q7 4L Body Control Comfort Unit Module BCM Unit ECU 4L0907289K
€237.95
Free delivery - Tue, Nov 04
If paid before 14:00
Part no. 8K0959792H
Door Control Module Audi S4 A4 B8 A5 8T Front Right O/S Passenger 8K0959792H
€23.95
Free delivery - Tue, Nov 04
If paid before 14:00
Part no. 8P3907357B
Audi S3 8P Xenon Headlight Range Control Module Unit ECU 8P3907357B
€23.95
Free delivery - Tue, Nov 04
If paid before 14:00
Part no. 4G0937517
Audi A6 C7 Fuse Battery Junction Box Fuse Distribution Terminal Centre 4G0937517
€23.95
Free delivery - Tue, Nov 04
If paid before 14:00
Part no. 8X0907159C
Audi A1 8X Impact Sound Actuator Control Module 8X0907159C
€32.95
Free delivery - Tue, Nov 04
If paid before 14:00
Part no. 06F971082F-1
Audi TT 8J 2.0 TFSI Petrol Fuel Injectors Wiring Harness 06F971082F
€23.95
Free delivery - Tue, Nov 04
If paid before 14:00
Part no. 8X0959673
Audi A1 8X Windscreen Heating Control Switch 8X0959673
€23.95
Free delivery - Tue, Nov 04
If paid before 14:00
Part no. 3WA959595A
Audi A3 RS3 8V Door Control Unit ECU Module Front Driver's Side 3WA959595A
€56.95
Free delivery - Tue, Nov 04
If paid before 14:00
Part no. 8K0907551-1
Audi S4 B8 3.0 TFSI 333HP CAKA Quattro Engine ECU Kit 8K0907551 Automatic
€246.95
Free delivery - Tue, Nov 04
If paid before 14:00
Part no. 03F906070GN-2
Audi A1 8X 1.2 TFSI CBZA 86HP Engine Control ECU Kit 03F906070GN Manual
€189.95
Free delivery - Tue, Nov 04
If paid before 14:00
Part no. 3C0915336A
Audi A3 8P Battery Box Tray Covering Housing Trim Holder Bracket 3C0915336A
€23.95
Free delivery - Tue, Nov 04
If paid before 14:00
Part no. 8X0907063AB
Audi A1 8X BCM Body Control Module Power Supply Unit 8X0907063AB
€37.95
Free delivery - Tue, Nov 04
If paid before 14:00
Part no. 420919275-1
Rear Bumper PDC Audi A5 Sensor Parking Distance Control 420919275 1706091849
€23.95
Free delivery - Tue, Nov 04
If paid before 14:00
Part no. 059903019H
Audi A8 D4 Alternator Generator Electrical Unit 3.0 TDI Diesel Engine 059903019H
€113.95
Free delivery - Tue, Nov 04
If paid before 14:00
Part no. 03G906056S
Audi A3 8P 1.9 TDI BLS 105HP Engine Control Module Unit ECU 03G906056S Manual
€56.95
Free delivery - Tue, Nov 04
If paid before 14:00
Part no. 8T0035223AP
Audi A4 S4 B8 Audio Amplifier Sound Booster Control Unit Module 8T0035223AP
€189.95
Free delivery - Tue, Nov 04
If paid before 14:00
Part no. 8K0959794A
Audi A4 B8 Door Module Rear Right O/S Control Unit Module ECU 8K0959794A
€23.95
Free delivery - Tue, Nov 04
If paid before 14:00
Part no. 03C906016BG-1
Audi A1 8X 1.4 TSI CAXA 122HP Engine Control Unit ECU Kit 03C906016BG BCM + Key
€161.95
Free delivery - Tue, Nov 04
If paid before 14:00
Part no. 4F1971687AL
Audi A6 C6 Rear Left N/S Door Harness Cable Loom 4F1971687AL
€51.95
Free delivery - Tue, Nov 04
If paid before 14:00
Part no. 8X0971845C
Audi A1 8X Fuse Box Relay Control Unit Module Bracket Holder 8X0971845C
€28.95
Free delivery - Tue, Nov 04
If paid before 14:00
Part no. 8W0959655F
Audi A4 B9 Air Module Crash Control Module Unit ECU 8W0959655F
€222.95
Free delivery - Tue, Nov 04
If paid before 14:00
Part no. 4H0919275-DGR
Audi TT 8J PDC Parking Distance Sensor Control Daytona Grey Pearl Z7S 4H0919275
€23.95
Free delivery - Tue, Nov 04
If paid before 14:00
Part no. 4H0907658C
Audi S3 8Y A5 F5 Q5 FY A8L 4H Air Quality Sensor Unit 4H0907658C
€23.95
Free delivery - Tue, Nov 04
If paid before 14:00
Part no. 8W6907217A
Audi A5 F5 Front Windscreen Windshield Lane Assist Camera 8W6907217A
€37.95
Free delivery - Tue, Nov 04
If paid before 14:00
Part no. 7PP941572AB
Audi A4 B9 Volkswagen Tiguan 1T Headlight Ballast Control Module 7PP941572AB
€47.95
Free delivery - Tue, Nov 04
If paid before 14:00
Part no. 4L0919475A
BCM Module Audi Q7 4L A6 C7 A8 4H Body Control Unit ECU 4L0919475A
€142.95
Free delivery - Tue, Nov 04
If paid before 14:00
Part no. 8Y4971104BK
Audi S3 8Y Rear Bumper Wiring Harness Cable Loom 8Y4971104BK
€70.95
Free delivery - Tue, Nov 04
If paid before 14:00
Part no. 02E911024M
Audi A3 8V 2.0 TFSI DJHA Starter Motor 12V 02E911024M
€23.95
Free delivery - Tue, Nov 04
If paid before 14:00
Part no. 4M0907247A
Keyless Entry Amplifier Audi A4 B9 A5 F5 Control Box Module Antenna 4M0907247A
€23.95
Free delivery - Tue, Nov 04
If paid before 14:00
Part no. 5Q0971230HH
Audi S3 8V Starter Alternator Wiring Harness 5Q0971230HH
€32.95
Free delivery - Tue, Nov 04
If paid before 14:00
Part no. 5Q0907530AL
Audi A3 8V VW Golf 5G Central Gateway Control Unit Module Relay ECU 5Q0907530AL
€23.95
Free delivery - Tue, Nov 04
If paid before 14:00
Part no. 8A0937530
Audi A6 C6 Fuse Relay Box Module Unit Holder Bracket 8A0937530
€32.95
Free delivery - Tue, Nov 04
If paid before 14:00
Part no. 8T8035225C
Audi A5 8T Audio Radio Aerial Amplifier Control Unit 8T8035225C
€23.95
Free delivery - Tue, Nov 04
If paid before 14:00
Part no. 03L906018KD-1
Audi A4 B8 All Road 2.0 TDI CGLC 177HP Quattro Engine ECU Kit 03L906018KD Manual
€237.95
Free delivery - Tue, Nov 04
If paid before 14:00
Part no. 5QA919294C
Audi Seat Skoda Volkswagen PDC Parking Sensor Control Unit Module 5QA919294J
€23.95
Free delivery - Tue, Nov 04
If paid before 14:00
Part no. 7L0937576B
Audi Q7 4L Fuse Box Trim Cover Panel Electrical Unit Housing 7L0937576B
€23.95
Free delivery - Tue, Nov 04
If paid before 14:00
Part no. 8P0907115AP-1
Audi S3 8P 2.0 TFSI CDLA 265HP Engine ECU Kit Ignition + Key 8P0907115AP Manual
€379.95
Free delivery - Tue, Nov 04
If paid before 14:00
Part no. 8D0951253
Audi Q7 4L Relay Unit Module 4 Pins 8D0951253
€23.95
Free delivery - Tue, Nov 04
If paid before 14:00
Part no. 06M907309D-1
Audi SQ5 FY 3.0 TFSI 354HP CWGD Quattro Engine ECU Kit Gateway + Key 06M907309D
€617.95
Free delivery - Tue, Nov 04
If paid before 14:00
Part no. 8P0907357F
Audi S4 B7 Headlight Head Light Lamp Range Control Unit Module ECU 8P0907357F
€23.95
Free delivery - Tue, Nov 04
If paid before 14:00
Part no. 059903143K
Audi A4 B7 A6 C6 Alternator Bracket Pulley Mount Holder 2.7 3.0 TDI 059903143K
€23.95
Free delivery - Tue, Nov 04
If paid before 14:00
Part no. 4F0035056B
Audi A6 C6 Head Unit Radio CD Player Control Unit Module 4F0035056B
€222.95
Free delivery - Tue, Nov 04
If paid before 14:00
Part no. 8T0959792Q
Audi A5 8T Front Door Control Module Passenger Side 8T0959792Q
€23.95
Free delivery - Tue, Nov 04
If paid before 14:00
Part no. 4L0959793B
Audi Q7 4L Front Door Module Driver Right O/S Side Control Unit 4L0959793B
€23.95
Free delivery - Tue, Nov 04
If paid before 14:00
Part no. 4H0907801H
Parking Brake Module Audi A6 C7 A7 4G A8 4H Handbrake Control Unit 4H0907801H
€23.95
Free delivery - Tue, Nov 04
If paid before 14:00
Part no. 8P0907063AD
Audi TT 8J Body Comfort Control BCM Module Unit ECU 8P0907063AD
€142.95
Free delivery - Tue, Nov 04
If paid before 14:00
Part no. 7P0907652
Yaw Sensor Audi Q7 4L Rotation Rate Unit Module 7P0907652
€23.95
Free delivery - Tue, Nov 04
If paid before 14:00
Part no. 8K0959793D
Audi A4 B8 A5 S5 8T Door Module Control Unit Front Left N/S 8K0959793D
€23.95
Free delivery - Tue, Nov 04
If paid before 14:00
Part no. 5QS919298
Audi A3 S3 8Y VW Caddy SB Mk4 Parking Sensor Module Control Unit 5QS919298
€161.95
Free delivery - Tue, Nov 04
If paid before 14:00
Part no. 06L971627K
Audi TT FY 2.0 TFSI Petrol Fuel Injectors Wiring Harness 06L971627K
€23.95
Free delivery - Tue, Nov 04
If paid before 14:00
Part no. 8V0035874B
Audi A3 8V Multimedia Radio Sat Nav CD Player Head Unit 8V0035874B
€237.95
Free delivery - Tue, Nov 04
If paid before 14:00
Part no. 03L906022NN
Audi A4 B8 2.0 TDI 143HP CAGA Diesel Engine Control Unit ECU Module 03L906022NN
€113.95
Free delivery - Tue, Nov 04
If paid before 14:00
Part no. 8K0971228B
Audi A5 8T Battery Starter Alternator Harness Wiring Cable 8K0971228B
€32.95
Free delivery - Tue, Nov 04
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 .