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. 5Q0971250Q
Audi A3 S3 8V Negative Battery Terminal Earth Cable Lead Wiring 5Q0971250Q
€23.95
Free delivery - Wed, Nov 19
If paid before 14:00
Part no. 5Q0937125A
Fuse Relay Box Volkswagen Audi Skoda Seat Engine Bay Supply Unit 5Q0937125A
€23.95
Free delivery - Wed, Nov 19
If paid before 14:00
Part no. 4H0959793R
Audi A8 D4 4H Front Door Control Module Unit ECU Driver's Side 4H0959793R
€23.95
Free delivery - Wed, Nov 19
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 - Wed, Nov 19
If paid before 14:00
Part no. 80A962243
Audi Q7 4M Rear Hatch Boot Lid Tailgate Opening Control Module Unit 80A962243
€70.95
Free delivery - Wed, Nov 19
If paid before 14:00
Part no. 4M0971104CB
Audi Q7 4M Rear Bumper PDC Parking Sensor Wiring Harness Loom 4M0971104CB
€37.95
Free delivery - Wed, Nov 19
If paid before 14:00
Part no. 8K0971104Q
Audi A5 8T Rear Bumper PDC Parking Sensor Wiring Harness Loom 8K0971104Q
€23.95
Free delivery - Wed, Nov 19
If paid before 14:00
Part no. 8T0971365J
Audi A5 8T Seat Cable Front Wiring Loom Harness Left Right N/O/S 8T0971365J
€23.95
Free delivery - Wed, Nov 19
If paid before 14:00
Part no. 420919275-PHB1
Audi A5 8T Parking Distance PDC Rear Ultra Sonic Sensor Phantom Black - Z9Y
€23.95
Free delivery - Wed, Nov 19
If paid before 14:00
Part no. 8K0959754H
Audi A5 8T Remote Button Smart Key Fob Unit 8K0959754H
€23.95
Free delivery - Wed, Nov 19
If paid before 14:00
Part no. 6R0915181E
Audi A1 8X Battery Cable Loom Harness Wiring Negative Terminal 6R0915181E
€23.95
Free delivery - Wed, Nov 19
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 - Wed, Nov 19
If paid before 14:00
Part no. 4M0959595N
Audi Q7 4M Rear Door Control Module Unit ECU Left Right N/O/S 4M0959595N
€32.95
Free delivery - Wed, Nov 19
If paid before 14:00
Part no. 8K0971104F
Audi A4 B8 Rear Wiring Loom PDC Harness Parking Sensor 8K0971104F
€28.95
Free delivery - Wed, Nov 19
If paid before 14:00
Part no. 4N0907063ME
Audi Q7 4M Body Control Comfort Unit Module BCM Convenience Unit ECU 4N0907063ME
€237.95
Free delivery - Wed, Nov 19
If paid before 14:00
Part no. 4KE959655H
Audi Q7 4M Air Module Control Unit ECU SRS Module Unit 4KE959655H
€156.95
Free delivery - Wed, Nov 19
If paid before 14:00
Part no. 8N8035223A
Audi TT 8N Amplifier BOSE Premium Audio Sound System Module 8N8035223A
€28.95
Free delivery - Wed, Nov 19
If paid before 14:00
Part no. 09G927750CA
Audi TT 8N Automatic Gearbox Module Control Unit ECU 09G927750CA
€142.95
Free delivery - Wed, Nov 19
If paid before 14:00
Part no. 8P0035192SX
Audi A3 S3 8P Radio Media GPS Sat Audi Navigation Plus Unit 8P0035192QX
€237.95
Free delivery - Wed, Nov 19
If paid before 14:00
Part no. 04E907309AC-1
Audi A1 8X 1.4 TFSI CZCA 125HP Engine ECU Kit BCM Lock + Key 04E907309AC Manual
€161.95
Free delivery - Wed, Nov 19
If paid before 14:00
Part no. 4G8959793J
Audi A6 C7 Door Module Control Unit ECU Front Left N/S 4G8959793J
€23.95
Free delivery - Wed, Nov 19
If paid before 14:00
Part no. 8E0909518AQ-1
Audi A4 B7 1.8T BZB 163HP Engine Control Unit Module ECU Set 8E0909518AQ
€189.95
Free delivery - Wed, Nov 19
If paid before 14:00
Part no. 8K2971228G
Audi A5 8T 1.8 TFSI Starter Alternator Harness Wiring Cable 8K2971228G
€70.95
Free delivery - Wed, Nov 19
If paid before 14:00
Part no. 8J0057186JX
Audi TT 8J Radio Head Unit CD Audio Player Control Unit 8J0035186J
€42.95
Free delivery - Wed, Nov 19
If paid before 14:00
Part no. 1K0906093F
Fuel Pump Control Audi A3 8P VW Golf Mk6 Relay Module Unit ECU 12V 1K0906093F
€23.95
Free delivery - Wed, Nov 19
If paid before 14:00
Part no. 8R0907468T
Audi Q5 8R Gateway Module Control Unit ECU 8R0907468T 8R0907468C
€23.95
Free delivery - Wed, Nov 19
If paid before 14:00
Part no. 5Q0919283B
PDC Module Audi A3 8V Seat Leon Skoda Octavia Parking Control Unit 5Q0919283B
€32.95
Free delivery - Wed, Nov 19
If paid before 14:00
Part no. 5Q0907361C
Audi A3 8V Fuse Box Control Module Relay Box 5Q0907361C
€23.95
Free delivery - Wed, Nov 19
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 - Wed, Nov 19
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 - Wed, Nov 19
If paid before 14:00
Part no. 8V0907159
Audi A3 RS3 8V Impact Sound Actuator Body Control Unit Module ECU 8V0907159
€23.95
Free delivery - Wed, Nov 19
If paid before 14:00
Part no. 1J0971235S
Audi TT 8N HV Battery Negative Earth Terminal Harness Wiring Cable 1J0971235S
€23.95
Free delivery - Wed, Nov 19
If paid before 14:00
Part no. 4H0919604H-1
Audi A8L 4H Navigation Dashboard Display Hud Screen 4H0919604H
€165.95
Free delivery - Wed, Nov 19
If paid before 14:00
Part no. 4H0971142C
Audi A8 D4 Door Card Wiring Loom Cable Harness Rear Right O/S 4H0971142C
€23.95
Free delivery - Wed, Nov 19
If paid before 14:00
Part no. 1J0906381B
Audi TT 8N Fuse Box Relay Control Unit Module 1J0906381B
€23.95
Free delivery - Wed, Nov 19
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 - Wed, Nov 19
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 - Wed, Nov 19
If paid before 14:00
Part no. 8W0971104A
Audi A4 B9 Rear Bumper Cable PDC Parking Sensor Wiring Harness Loom 8W0971104A
€37.95
Free delivery - Wed, Nov 19
If paid before 14:00
Part no. 8J0035223E
Audi TT 8J Coupe Roadster Ultrasonic Sound Control Module ECU Unit 8J0035223E
€42.95
Free delivery - Wed, Nov 19
If paid before 14:00
Part no. 02M911023P
Audi Volkswagen Seat Skoda 2.0 TDI Diesel Starter Motor Engine Bosch 02M911023P
€28.95
Free delivery - Wed, Nov 19
If paid before 14:00
Part no. 8J0951177
Audi TT 8J Interior Roof Alarm Motion Ultrasonic Sensor 8J0951177
€23.95
Free delivery - Wed, Nov 19
If paid before 14:00
Part no. 4H0971104S
Audi A8 D4 Rear Bumper PDC Parking Sensor Wiring Harness Loom Cable 4H0971104S
€32.95
Free delivery - Wed, Nov 19
If paid before 14:00
Part no. 8W6971104A
Audi A5 F5 Rear Bumper PDC Parking Sensor Wiring Harness Loom Cable 8W6971104A
€32.95
Free delivery - Wed, Nov 19
If paid before 14:00
Part no. 059971627D
Audi A6 C7 High Pressure Pump Fuel Line Electrical Wiring Harness 059971627D
€23.95
Free delivery - Wed, Nov 19
If paid before 14:00
Part no. 8K0907064FF
Audi A4 S4 B8 Body Control Comfort Unit Module BCM2 Unit ECU 8K0907064FF
€113.95
Free delivery - Wed, Nov 19
If paid before 14:00
Part no. 4H0959591A
Audi A8 D4 4H Sunroof Wind Deflector Module Control Unit 4H0959591A
€28.95
Free delivery - Wed, Nov 19
If paid before 14:00
Part no. 4S0907441B
Audi A8 D4 4H Rear View Reverse Parking Camera Module Control Unit 4S0907441B
€89.95
Free delivery - Wed, Nov 19
If paid before 14:00
Part no. 8W6971030BF
Audi A5 F5 Front Door Wiring Harness Cable Passenger Side 8W6971030BF
€85.95
Free delivery - Wed, Nov 19
If paid before 14:00
Part no. 8W6971029BF
Audi A5 F5 Front Door Wiring Harness Cable Driver's Side 8W6971029BF
€85.95
Free delivery - Wed, Nov 19
If paid before 14:00
Part no. 4H0907182H
Audi A8 D4 4H Front Seat Backrest Control Module Unit ECU 4H0907182H
€23.95
Free delivery - Wed, Nov 19
If paid before 14:00
Part no. 4H0971663A
Audi A8 D4 Front Door Wiring Harness Loom Cable Left N/S 4H0971663A
€28.95
Free delivery - Wed, Nov 19
If paid before 14:00
Part no. 4H0959107AC
Audi A8 4D Tailgate Lift Boot Lid Control Unit Module Trunk 4H0959107AC
€42.95
Free delivery - Wed, Nov 19
If paid before 14:00
Part no. 4H0881073B
Audi A8L 4H Front Seat Air Pump Control Module Unit 4H0881073B
€23.95
Free delivery - Wed, Nov 19
If paid before 14:00
Part no. 4H0907401M
Audi A8 4H 3.0 TDI CTBA Quattro 258HP Engine Control ECU 4H0907401M
€446.95
Free delivery - Wed, Nov 19
If paid before 14:00
Part no. 4H0959760D
Audi A8 4D Front Seat Memory Adjustment Module Unit Right O/S 4H0959760D
€56.95
Free delivery - Wed, Nov 19
If paid before 14:00
Part no. 4H0035670T
Audi A8 D4 Reader Radio CD System Audio MMI Multimedia Head Unit 4H0035670T
€550.95
Free delivery - Wed, Nov 19
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 - Wed, Nov 19
If paid before 14:00
Part no. 4H0035225L
Audi A8 D4 4H Aerial Antenna Amplifier AMP Booster Module 4H0035225L
€23.95
Free delivery - Wed, Nov 19
If paid before 14:00
Part no. 4H0962239A
Audi A8 D4 Rear Hatch Boot Lid Tailgate Opening Cable Wiring Line 4H0962239A
€42.95
Free delivery - Wed, Nov 19
If paid before 14:00
Part no. 4H0907412
Audi A8 D4 Ambient Lighting Control Module Unit ECU 4H0907412
€23.95
Free delivery - Wed, Nov 19
If paid before 14:00
Part no. 4H4907357B
Audi A8 D4 Headlight Head Light Lamp Range Control Unit Module ECU 4H4907357B
€75.95
Free delivery - Wed, Nov 19
If paid before 14:00
Part no. 4H0907064FB
Audi A8 D4 BCM Module Body Control Unit Convenience ECU 4H0907064FB
€42.95
Free delivery - Wed, Nov 19
If paid before 14:00
Part no. 4H0907468AF
Audi A8 D4 Central Diagnostic Getaway PKO Control Unit Module ECU 4H0907468AF
€66.95
Free delivery - Wed, Nov 19
If paid before 14:00
Part no. 8W1959595D
Audi Q5 FY Rear Door Control Module Unit Left Right N/O/S 8W1959595D
€23.95
Free delivery - Wed, Nov 19
If paid before 14:00
Part no. 3Q0907530AA
Audi Seat Skoda Volkswagen Gateway Control Unit Module ECU 3Q0907530AA
€23.95
Free delivery - Wed, Nov 19
If paid before 14:00
Part no. 5Q0937084AE
Audi A3 8V Module BCM Body Control Unit Module ECU 5Q0937084AE
€32.95
Free delivery - Wed, Nov 19
If paid before 14:00
Part no. 06L971627K
Audi TT FY 2.0 TFSI Petrol Fuel Injectors Wiring Harness 06L971627K
€23.95
Free delivery - Wed, Nov 19
If paid before 14:00
Part no. 5QA919294C
Audi Seat Skoda Volkswagen PDC Parking Sensor Control Unit Module 5QA919294J
€23.95
Free delivery - Wed, Nov 19
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 - Wed, Nov 19
If paid before 14:00
Part no. 5Q0937084DC
Audi A3 RS3 8V Body Control Module BCM Control Unit ECU Power Supply 5Q0937084DC
€47.95
Free delivery - Wed, Nov 19
If paid before 14:00
Part no. 5Q0907530Q
Gateway Control Module Audi A3 8V Volkswagen MK7 ECU Unit 5Q0907530Q
€23.95
Free delivery - Wed, Nov 19
If paid before 14:00
Part no. 4F0959792R
Audi A6 C6 Front Door Left N/S Module Unit Control ECU 4F0959792R
€23.95
Free delivery - Wed, Nov 19
If paid before 14:00
Part no. 4L0035225AJ
Audi Q7 4L Radio Aerial Antenna Amplifier AM/FM 4L0035225AJ
€23.95
Free delivery - Wed, Nov 19
If paid before 14:00
Part no. 8P4035223B
Audi S3 8P Audio Sound BOSE Amplifier Stereo System Module 8P4035223B
€132.95
Free delivery - Wed, Nov 19
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 - Wed, Nov 19
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 - Wed, Nov 19
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 - Wed, Nov 19
If paid before 14:00
Part no. 06H971627
Audi A5 8T 2.0 TFSI Petrol Fuel Injectors Wiring Cable Harness 06H971627
€32.95
Free delivery - Wed, Nov 19
If paid before 14:00
Part no. 5Q0971230HH
Audi S3 8V Starter Alternator Wiring Harness 5Q0971230HH
€32.95
Free delivery - Wed, Nov 19
If paid before 14:00
Part no. 02E911024M
Audi A3 8V 2.0 TFSI DJHA Starter Motor 12V 02E911024M
€23.95
Free delivery - Wed, Nov 19
If paid before 14:00
Part no. 5Q0971230FP
Battery Cable Audi A3 8V Starter Alternator Wiring Harness 5Q0971230FP
€23.95
Free delivery - Wed, Nov 19
If paid before 14:00
Part no. 8K0959793Q
Audi A4 B8 Door Module Control Unit ECU Front Driver's Side 8K0959793Q
€28.95
Free delivery - Wed, Nov 19
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 - Wed, Nov 19
If paid before 14:00
Part no. 03L906022JM-1
Audi A4 B8 2.0 TDI 143HP CAGA Diesel Engine Control Unit ECU Kit 03L906022JM
€146.95
Free delivery - Wed, Nov 19
If paid before 14:00
Part no. 8T0862335A
Audi A4 B8 Bluetooth Interface Module Control Unit ECU 8T0862335A
€51.95
Free delivery - Wed, Nov 19
If paid before 14:00
Part no. 8P0907063AD
Audi TT 8J Body Comfort Control BCM Module Unit ECU 8P0907063AD
€142.95
Free delivery - Wed, Nov 19
If paid before 14:00
Part no. 4F0941824
Audi S6 C6 Wirie Cable Fuse Box Holder Support 4F0941824
€23.95
Free delivery - Wed, Nov 19
If paid before 14:00
Part no. 8R0907468F
Audi A5 8T Diagnostic Interface Gateway Control Module Unit ECU 8R0907468F
€23.95
Free delivery - Wed, Nov 19
If paid before 14:00
Part no. 1S0919275-DGR
Audi A5 8T Parking Sensor Control Module Daytona Grey Metallic - Z7S 1S0919275
€23.95
Free delivery - Wed, Nov 19
If paid before 14:00
Part no. 1K0907530AA
Audi A3 8P Body Gateway Module ECU Control Unit 1K0907530AA
€23.95
Free delivery - Wed, Nov 19
If paid before 14:00
Part no. 03L906018LB
Audi A6 C7 2.0 TDI CGLC 177HP Engine Control Unit ECU 03L906018LA Automatic
€75.95
Free delivery - Wed, Nov 19
If paid before 14:00
Part no. 4G0907468AB
Audi A6 C7 Gateway Module Control Unit ECU 4G0907468AB
€89.95
Free delivery - Wed, Nov 19
If paid before 14:00
Part no. 4H0907064BN
Audi A6 C7 Saloon CCM Comfort Control Module Onboard Unit ECU 4H0907064BN
€51.95
Free delivery - Wed, Nov 19
If paid before 14:00
Part no. 4G8959795J
Audi A7 4G8 Rear Door Module Control Module Unit Left Right N/O/S 4G8959795J
€23.95
Free delivery - Wed, Nov 19
If paid before 14:00
Part no. 8K1907401K
Audi A4 B8 8K A5 8T 2.7 TDI 190HP CGKA Engine Control ECU 8K1907401K Automatic
€85.95
Free delivery - Wed, Nov 19
If paid before 14:00
Part no. 079903021JX
Audi S8 D3 S6 C6 Alternator Water Cooled 190A 14V 5.2 FSI V10 079903021J
€108.95
Free delivery - Wed, Nov 19
If paid before 14:00
Part no. 5Q0971250N
Audi A3 8V Volkswagen VW Golf Mk7 Negative Cable Ground Wire Harness 5Q0971250N
€23.95
Free delivery - Wed, Nov 19
If paid before 14:00
Part no. 8K0959793H
Audi A4 B8 A5 8T Door Module Control Front Unit ECU 8K0959793H
€32.95
Free delivery - Wed, Nov 19
If paid before 14:00
Part no. 04L906021BQ
Audi A4 B8 Engine Control Unit Module ECU 2.0 TDI CNHC 163HP 04L906021BQ
€56.95
Free delivery - Wed, Nov 19
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 .