Automotive electrical systems
More informationAt Global Parts, we offer a wide selection of original used car parts, including automotive electrical systems for many popular car brands such as BMW, Mini, Mercedes, Audi, Volkswagen, and others. Each of our car parts undergoes quality control to ensure you receive a top-quality product.
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Part no. 8K2907115AE-1
Audi A4 B8 A5 8F 2.0TFSI CDNC 211HP Engine Unit ECU 8K2907115AE Manual
PLN 332.95
Free delivery - Mon, Jan 12
If paid before 14:00
Part no. 1K0971349JQ
Audi A3 8P 1.2 TFSI CBZB Alternator Wiring Harness Cable Loom 1K0971349JQ
PLN 100.95
Free delivery - Mon, Jan 12
If paid before 14:00
Part no. 8R0959655G
Audi Q5 8R Air Module Control Unit SRS System ECU 8R0959655G
PLN 94.95
Free delivery - Mon, Jan 12
If paid before 14:00
Part no. 8T0035223L
Audi A4 B8 A5 8T Audio Amplifier Sound Booster Control Unit Module 8T0035223L
PLN 807.95
Free delivery - Mon, Jan 12
If paid before 14:00
Part no. 4M0971104CB
Audi Q7 4M Rear Bumper PDC Parking Sensor Wiring Harness Loom 4M0971104CB
PLN 142.95
Free delivery - Mon, Jan 12
If paid before 14:00
Part no. 8K0907064JE
Audi A5 8T Body Control Comfort Unit Module BCM Convenience Unit ECU 8K0907064JE
PLN 142.95
Free delivery - Mon, Jan 12
If paid before 14:00
Part no. 4H0959795E
Audi A8 4H Rear Door Module Control Unit Left Right N/O/S 4H0959795E
PLN 61.95
Free delivery - Mon, Jan 12
If paid before 14:00
Part no. 8V0035736
Audi A3 8V Music Interface Multimedia Connection Module 8V0035736
PLN 42.95
Delivery - Mon, Jan 12
If paid before 14:00
Part no. 81A035502
Audi A3 8V Wireless Charger Centre Console Phone Charging Module Unit 81A035502
PLN 123.95
Free delivery - Mon, Jan 12
If paid before 14:00
Part no. 3WA959595A
Audi A3 RS3 8V Door Control Unit ECU Module Front Driver's Side 3WA959595A
PLN 237.95
Free delivery - Mon, Jan 12
If paid before 14:00
Part no. 02M911024P
Audi A3 8P 2.0 TDI CBBB Diesel Starter Motor 02M911024P
PLN 142.95
Free delivery - Mon, Jan 12
If paid before 14:00
Part no. 8T0959793F
Door Module Audi A5 8T A4 B8 Control Front Right O/S Unit 8T0959793F
PLN 42.95
Delivery - Mon, Jan 12
If paid before 14:00
Part no. 4H0937517
Audi A8L 4H Fuse Relay Battery Junction Box Housing 4H0937517
PLN 284.95
Free delivery - Mon, Jan 12
If paid before 14:00
Part no. 8X0959792D
Audi A1 8X Front Passenger Side Door Module Unit Control ECU 8X0959792D
PLN 61.95
Free delivery - Mon, Jan 12
If paid before 14:00
Part no. 4E0035670C
Audi A6 C6 A8 D3 Navigation Radio CD SD SIM Player MMI Head Unit 4E0035670C
PLN 949.95
Free delivery - Mon, Jan 12
If paid before 14:00
Part no. 4G5971030DJ
Audi A6 C7 Front Door Wiring Harness Loom Left N/S Passenger's Side 4G5971030DJ
PLN 94.95
Free delivery - Mon, Jan 12
If paid before 14:00
Part no. 8K0907472
Audi A4 B8 Headlight Headlamp LED Module Control Unit 8K0907472
PLN 85.95
Free delivery - Mon, Jan 12
If paid before 14:00
Part no. 80A907159
Audi SQ5 FY Control Unit Module Active Sound Design 80A907159
PLN 327.95
Free delivery - Mon, Jan 12
If paid before 14:00
Part no. 4H0971365J
Audi A8 D4 Seat Cable Front Left Right N/O/S Seatbelt Warning Wiring 4H0971365J
PLN 94.95
Free delivery - Mon, Jan 12
If paid before 14:00
Part no. 4G8959793G
Audi RS6 C7 Front Door Module Driver's Side Control Unit ECU 4G8959793G
PLN 94.95
Free delivery - Mon, Jan 12
If paid before 14:00
Part no. 04L906021CK
Audi Q5 8R 2.0 TDI CNHA Quattro 190HP Engine Unit ECU Kit 04L906021CK Automatic
PLN 1,899.95
Free delivery - Mon, Jan 12
If paid before 14:00
Part no. 6R0915181E
Audi A1 8X Battery Cable Loom Harness Wiring Negative Terminal 6R0915181E
PLN 42.95
Delivery - Mon, Jan 12
If paid before 14:00
Part no. 5Q0971250P
Audi S3 8V Battery Wire Cable Negative Earth Lead 95Q0971250P
PLN 42.95
Delivery - Mon, Jan 12
If paid before 14:00
Part no. 4H0959793R
Audi A8 D4 4H Front Door Control Module Unit ECU Driver's Side 4H0959793R
PLN 61.95
Free delivery - Mon, Jan 12
If paid before 14:00
Part no. 8V3971035A
Audi A3 S3 8V 3D Door Wiring Harness Loom Cable Driver's Side 8V3971035A
PLN 94.95
Free delivery - Mon, Jan 12
If paid before 14:00
Part no. 8J0057186Q
Audi TT 8J Radio Head Unit CD Audio Player Control Unit 8J0035186Q
PLN 370.95
Free delivery - Mon, Jan 12
If paid before 14:00
Part no. 8K0971104
Audi A5 8T Rear Bumper PDC Parking Sensor Wiring Harness Loom 8K0971104
PLN 42.95
Delivery - Mon, Jan 12
If paid before 14:00
Part no. 03L906022FL
Audi A6 C6 3.0 TDI 233HP Diesel Engine Control Unit ECU Kit Module 03L906022FL
PLN 474.95
Free delivery - Mon, Jan 12
If paid before 14:00
Part no. 4K1907594CB
Audi S3 8Y VW Golf Mk8 Sun Roof Module Control Unit ECU 4K1907594CB
PLN 227.95
Free delivery - Mon, Jan 12
If paid before 14:00
Part no. 141951253B
Audi VW Volkswagen Seat Relay Unit Module 4 Pins 141951253B
PLN 42.95
Delivery - Mon, Jan 12
If paid before 14:00
Part no. 4L0919614B
Audi Q7 4L Navigation Multimedia Control Panel Knob Unit 4L0919614B
PLN 2,089.95
Free delivery - Mon, Jan 12
If paid before 14:00
Part no. 6C0907361E
Fuse Box Audi A1 Seat Ibiza Control Module Relay Box 6C0907361E
PLN 332.95
Free delivery - Mon, Jan 12
If paid before 14:00
Part no. 81A035192B
Audi A3 8V Radio CD SD SIM Player Stereo Sat Nav Head Unit 81A035192B
PLN 1,804.95
Free delivery - Mon, Jan 12
If paid before 14:00
Part no. 8W0971553
Audi A4 B9 Front Seat Side Air Module Wiring Harness Loom Cable 8W0971553
PLN 42.95
Delivery - Mon, Jan 12
If paid before 14:00
Part no. 8V0907451
Audi A3 8V Sun Light Solar Sensor Control Detector 8V0907451
PLN 42.95
Delivery - Mon, Jan 12
If paid before 14:00
Part no. 8S0907468D
Audi TT FV Mk3 8S Gateway Module Interface Data Bus Control Unit 8S0907468D
PLN 184.95
Free delivery - Mon, Jan 12
If paid before 14:00
Part no. 8W0971687BR
Audi A4 B9 Rear Right O/S Door Wiring Loom Harness 8W0971687BR
PLN 189.95
Free delivery - Mon, Jan 12
If paid before 14:00
Part no. 4H0971142C
Audi A8 D4 Door Card Wiring Loom Cable Harness Rear Right O/S 4H0971142C
PLN 94.95
Free delivery - Mon, Jan 12
If paid before 14:00
Part no. 8E0907307D
Audi A4 B7 Servotronic Steering Control Unit Module 8E0907307D
PLN 42.95
Delivery - Mon, Jan 12
If paid before 14:00
Part no. 8K0959792E
Audi A4 B8 A5 8T Front Door Module Control Unit Module ECU Left N/S 8K0959792E
PLN 42.95
Delivery - Mon, Jan 12
If paid before 14:00
Part no. 4F0959795N
Door Module Audi A4 B8 A6 C6 Rear Unit Control ECU Left N/S 4F0959795N
PLN 61.95
Free delivery - Mon, Jan 12
If paid before 14:00
Part no. 8W1959593
Audi Q5 FY Front Door Control Module Unit Right O/S Side 8W1959593
PLN 61.95
Free delivery - Mon, Jan 12
If paid before 14:00
Part no. 8X0971687C
Audi A1 8X Rear Door Harness Left N/S Wiring Loom Cable 8X0971687C
PLN 180.95
Free delivery - Mon, Jan 12
If paid before 14:00
Part no. 8J0035456A-1
Antenna Amplifier Audi Q5 8R A6 C6 A5 8T Mobile Phone Module Unit 8J0035456A
PLN 42.95
Delivery - Mon, Jan 12
If paid before 14:00
Part no. 4F0959792R
Audi A6 C6 Front Door Left N/S Module Unit Control ECU 4F0959792R
PLN 42.95
Delivery - Mon, Jan 12
If paid before 14:00
Part no. 5K0962132A
Audi Q3 F3 Keyless Entry Amplifier Control Box Module Aerial Antenna 5K0962132A
PLN 42.95
Delivery - Mon, Jan 12
If paid before 14:00
Part no. 8K0971845A
AUDI A5 8T 2.0 TDI CGLC Fuse Relay Box Power Distribution 8K0971845A
PLN 94.95
Free delivery - Mon, Jan 12
If paid before 14:00
Part no. 8X0035225J
Audi A1 8X Antenna Booster Amplifier Upper Rear Right O/S 8X0035225J
PLN 75.95
Free delivery - Mon, Jan 12
If paid before 14:00
Part no. 8W0959592G
Audi A4 B9 Front Door Module Control Unit Passenger Side 8W0959592G
PLN 42.95
Delivery - Mon, Jan 12
If paid before 14:00
Part no. 4M0971237S
Audi Q7 4M Q8 Mk1 Battery Negative Cable Wiring Earth Line 4M0971237S
PLN 161.95
Free delivery - Mon, Jan 12
If paid before 14:00
Part no. 7L0915138C
Audi Q7 4L Battery Mounting Bracket Part Holder 7L0915138C
PLN 42.95
Delivery - Mon, Jan 12
If paid before 14:00
Part no. 80A907777N
Audi Q5 FY Active Suspension Module Damping Chassis Control Unit EFP 80A907777N
PLN 1,139.95
Free delivery - Mon, Jan 12
If paid before 14:00
Part no. 8W0959655H
Audi A4 B9 RS5 F5 Air Module Control Unit SRS Sensor ECU 8W0959655H
PLN 1,310.95
Free delivery - Mon, Jan 12
If paid before 14:00
Part no. 8W0907064EC
Audi A5 F5 BCM Body Comfort Module Onboard Control Unit ECU 8W0907064EC
PLN 284.95
Free delivery - Mon, Jan 12
If paid before 14:00
Part no. 8W6971029BF
Audi A5 F5 Front Door Wiring Harness Cable Driver's Side 8W6971029BF
PLN 284.95
Free delivery - Mon, Jan 12
If paid before 14:00
Part no. 4H0907637K
Audi A8L 4H Yaw Rate Domain Control Module Unit ECU 4H0907637K
PLN 759.95
Free delivery - Mon, Jan 12
If paid before 14:00
Part no. 8K0959794A
Audi A4 B8 Door Module Rear Right O/S Control Unit Module ECU 8K0959794A
PLN 42.95
Delivery - Mon, Jan 12
If paid before 14:00
Part no. 8W0915181A
Audi A5 F5 HV Battery Negative Cable Terminal 8W0915181A
PLN 123.95
Free delivery - Mon, Jan 12
If paid before 14:00
Part no. 4M0959595N
Audi Q7 4M Rear Door Control Module Unit ECU Left Right N/O/S 4M0959595N
PLN 113.95
Free delivery - Mon, Jan 12
If paid before 14:00
Part no. 8V4971036Q
Audi A3 8V Sportback Front Passenger's Door Loom Wiring Harness 8V4971036H
PLN 75.95
Free delivery - Mon, Jan 12
If paid before 14:00
Part no. 4F0919887M
Audi A5 8T Navigation System Car Sat Nav Computer Head Unit 4F0919887M
PLN 237.95
Free delivery - Mon, Jan 12
If paid before 14:00
Part no. 4F7910401L-1
Audi A6 C6 2.7 TDI CANC Quattro 190HP Engine Control Unit ECU Kit 4F7910401L
PLN 1,187.95
Free delivery - Mon, Jan 12
If paid before 14:00
Part no. 8P0035785
Audi A3 8P MMI Multimedia Interface Unit Module Control ECU 8P0035785
PLN 189.95
Free delivery - Mon, Jan 12
If paid before 14:00
Part no. 8K0937501
Audi A4 B8 A5 8T A6 C7 Q5 8R Fuse Box Relay Module Connector Plug 8K0937501
PLN 94.95
Free delivery - Mon, Jan 12
If paid before 14:00
Part no. 5WA919275B-KYG
Audi A3 S3 8Y PDC Parking Distance Sensor 5WA919275C Kyalami Green - Z6A
PLN 113.95
Free delivery - Mon, Jan 12
If paid before 14:00
Part no. 8T0959793P
Audi A4 B8 A5 8T Door Control Unit Module Front Driver's Side 8T0959793P
PLN 42.95
Delivery - Mon, Jan 12
If paid before 14:00
Part no. 5N0971235A
Audi A3 8P VW Golf MK6 Battery Negative Earth Cable Harness Wiring 5N0971235A
PLN 75.95
Free delivery - Mon, Jan 12
If paid before 14:00
Part no. 8K0959793S
Audi A4 B8 Front Door Control Module Unit ECU 8K0959793S
PLN 42.95
Delivery - Mon, Jan 12
If paid before 14:00
Part no. 8W0959595G
Audi A4 B9 Rear Door Control Module Unit ECU Left Right N/O/S 8W0959595G
PLN 42.95
Delivery - Mon, Jan 12
If paid before 14:00
Part no. 8J0971349CD
Audi TT 8J Alternator Main Cable Wiring Harness Loom 8J0971349CD
PLN 113.95
Free delivery - Mon, Jan 12
If paid before 14:00
Part no. 8K0971036B
Audi RS4 B8 Door Wiring Harness Cable Loom Front Right O/S 8K0971036B
PLN 123.95
Free delivery - Mon, Jan 12
If paid before 14:00
Part no. 8T0035225J
Audi A5 8T Antenna Aerial Amplifier Module Control Unit 8T0035225J
PLN 61.95
Free delivery - Mon, Jan 12
If paid before 14:00
Part no. 8P4971693AB
Audi A3 8P Door Wiring Harness Loom Cabling Rear Left Right N/O/S 8P4971693AB
PLN 75.95
Free delivery - Mon, Jan 12
If paid before 14:00
Part no. 4F0907247A
Audi Q7 4L Keyless Entry Amplifier Control Box Module Aerial Antenna 4F0907247A
PLN 42.95
Delivery - Mon, Jan 12
If paid before 14:00
Part no. 80A906093
Audi Q5 FY Fuel Pump Control Unit Module ECU Diesel Kuhnke 80A906093
PLN 94.95
Free delivery - Mon, Jan 12
If paid before 14:00
Part no. 4H0919604H-1
Audi A8L 4H Navigation Dashboard Display Hud Screen 4H0919604H
PLN 617.95
Free delivery - Mon, Jan 12
If paid before 14:00
Part no. 03L911021G
Audi A4 B8 A5 8T A6 C7 Starter Motor Actuator Bosch Diesel Engine 03L911021G
PLN 61.95
Free delivery - Mon, Jan 12
If paid before 14:00
Part no. 4F0907280A
Audi A6 C6 On Board Onboard Supply Module Control Unit ECU 4F0907280A
PLN 66.95
Free delivery - Mon, Jan 12
If paid before 14:00
Part no. 8P0907357F
Audi S4 B7 Headlight Head Light Lamp Range Control Unit Module ECU 8P0907357F
PLN 42.95
Delivery - Mon, Jan 12
If paid before 14:00
Part no. 04E903024N
Audi A4 B9 VW Polo Mk5 1.4 TFSI Petrol Alternator Generator Denso 04E903024N
PLN 949.95
Free delivery - Mon, Jan 12
If paid before 14:00
Part no. 8D0951253-1
Audi A4 B6 B7 B8 Q7 4L A6 C7 A8 D4 Multi Use Relay Unit Module 4 Pins 8D0951253
PLN 42.95
Delivery - Mon, Jan 12
If paid before 14:00
Part no. 8P0035613
Audi A3 8P Bluetooth Module Multimedia Control Unit Cover Unit 8P0035613
PLN 61.95
Free delivery - Mon, Jan 12
If paid before 14:00
Part no. 8J0035223E
Audi TT 8J Coupe Roadster Ultrasonic Sound Control Module ECU Unit 8J0035223E
PLN 151.95
Free delivery - Mon, Jan 12
If paid before 14:00
Part no. 89393773
Audi Q7 4L Headlight Module Ballast Control Unit 89393773
PLN 75.95
Free delivery - Mon, Jan 12
If paid before 14:00
Part no. 8S0820047
Audi TT FV 8S A/C Air Condition Climate Control Module Unit ECU 8S0820047
PLN 42.95
Delivery - Mon, Jan 12
If paid before 14:00
Part no. 8E0910115N
Audi A4 B7 2.0 TFSI BUL Quattro 220HP Engine Control ECU Kit 8E0910115H Manual
PLN 664.95
Free delivery - Mon, Jan 12
If paid before 14:00
Part no. 4E0907280B
Audi A8 4E S8 D3 Power Supply Control Module Unit ECU 4E0907280B
PLN 42.95
Delivery - Mon, Jan 12
If paid before 14:00
Part no. 5Q0959595E
Audi A3 8V Door Control Module Unit ECU Rear Left Right N/O/S 5Q0959595E
PLN 61.95
Free delivery - Mon, Jan 12
If paid before 14:00
Part no. 8W0947356E
Audi A5 S5 F5 Interior Door Panel Courtesy Light LED Wiring Harness 8W0947356E
PLN 42.95
Delivery - Mon, Jan 12
If paid before 14:00
Part no. 5Q0915181E
Audi A3 8V Negative Battery Terminal Cable Harness Wiring Loom 5Q0915181E
PLN 42.95
Delivery - Mon, Jan 12
If paid before 14:00
Part no. 5QS907338B
Audi A3 S3 8Y Headlight Head Light Lamp Range Control Unit Module ECU 5QS907338B
PLN 408.95
Free delivery - Mon, Jan 12
If paid before 14:00
Part no. 8K0971228H
Audi A4 B8 3.0 TDI Starter Alternator Wiring Loom Cable Harness 8K0971228H
PLN 94.95
Free delivery - Mon, Jan 12
If paid before 14:00
Part no. 5Q0959651B
Audi A3 8V Front Impact Sensor Crash Detection Module Unit 5Q0959651B
PLN 113.95
Free delivery - Mon, Jan 12
If paid before 14:00
Part no. 8W1959595D
Audi Q5 FY Rear Door Control Module Unit Left Right N/O/S 8W1959595D
PLN 42.95
Delivery - Mon, Jan 12
If paid before 14:00
Part no. 4F0959792E
Audi A6 C6 Front Passenger Side Door Left N/S Module Unit Control ECU 4F0959792E
PLN 42.95
Delivery - Mon, Jan 12
If paid before 14:00
Part no. 4E0910110E
Audi S6 C6 6-Disc CD Changer Magazine Head Unit MMI 4E0910110E
PLN 142.95
Free delivery - Mon, Jan 12
If paid before 14:00
Part no. 8D0951253
Audi Q7 4L Relay Unit Module 4 Pins 8D0951253
PLN 42.95
Delivery - Mon, Jan 12
If paid before 14:00
Part no. 8W0959595H
Audi A5 F5 Rear Door Control Module Unit ECU Left Right N/O/S 8W0959595H
PLN 61.95
Free delivery - Mon, Jan 12
If paid before 14:00
Part no. 03L903017E-1
Audi A4 B8 Avant 2.0 TDI Quattro Alternator Generator 03L903017
PLN 237.95
Free delivery - Mon, Jan 12
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 .