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. 8T0907468AB
Audi A4 B8 2.0 TDI CAGA Gateway Interface Control Module Unit ECU 8T0907468H
PLN 42.95
Delivery - Fri, Jan 09
If paid before 14:00
Part no. 1S0919275D-MRE
Audi A5 8T PDC Parking Distance Control Sensor 1S0919275D Misano Red Pearl - Z3M
PLN 61.95
Free delivery - Fri, Jan 09
If paid before 14:00
Part no. 4E0941817A
Audi RS4 B8 Front Door Wiring Harness Loom Plug Socket 4E0941817A
PLN 42.95
Delivery - Fri, Jan 09
If paid before 14:00
Part no. 4F0959792T
Audi A6 C6 Front Left N/S Door Lock Control Module Unit ECU 4F0959792T
PLN 61.95
Free delivery - Fri, Jan 09
If paid before 14:00
Part no. 8S0971104
Audi TT FY Rear Bumper PDC Cables Set Wiring Loom Harness 8S0971104
PLN 142.95
Free delivery - Fri, Jan 09
If paid before 14:00
Part no. 4H0959651A
Audi A1 A6 A7 Impact Crash Control Sensor Module ECU 4H0959651A
PLN 85.95
Free delivery - Fri, Jan 09
If paid before 14:00
Part no. A2128204185
Mercedes W204 W212 Door Module Control Unit Module Rear Right O/S A2128204185
PLN 42.95
Delivery - Fri, Jan 09
If paid before 14:00
Part no. 5Q0962131
Antenna Control Module Audi Q3 RSQ3 F3 Line Keyless Entry 5Q0962131
PLN 42.95
Delivery - Fri, Jan 09
If paid before 14:00
Part no. 06H903016L
Audi A5 8T Engine Alternator Generator 14V 140A Bosch 2.0 TFSI 06H903016L
PLN 142.95
Free delivery - Fri, Jan 09
If paid before 14:00
Part no. 5Q0907530AM
Audi A3 8V VW Passat B8 Gateway Control Unit Module 5Q0907530AM
PLN 94.95
Free delivery - Fri, Jan 09
If paid before 14:00
Part no. 03L906018JR-1
Audi A4 B8 2.0 TDI CJCB Engine Control Unit Module ECU Kit 03L906018JR Manual
PLN 949.95
Free delivery - Fri, Jan 09
If paid before 14:00
Part no. 8T0959795J
Audi A5 8T Rear Door Module Control Unit Module ECU Left Right N/O/S 8T0959795J
PLN 61.95
Free delivery - Fri, Jan 09
If paid before 14:00
Part no. 5Q0959595K
Audi A3 8V Rear Door Control Module Unit ECU Left Right N/O/S 5Q0959595K
PLN 94.95
Free delivery - Fri, Jan 09
If paid before 14:00
Part no. 4D0907131
Audi VW Volkswagen Seat Relay Unit Module 4 Pins 12V 4D09907131
PLN 61.95
Free delivery - Fri, Jan 09
If paid before 14:00
Part no. 8U0955559
Audi A1 8X A3 8V Windscreen Rain Sensor Control Unit 8U0955559
PLN 94.95
Free delivery - Fri, Jan 09
If paid before 14:00
Part no. 03C903024F
Alternator Audi A3 8P VW Passat B7 Engine Generator 1.4 TSI 03C903024F
PLN 237.95
Free delivery - Fri, Jan 09
If paid before 14:00
Part no. 5Q0980653G
Audi TT FV Front Camera Module Lane Assist Control Unit 5Q0980653G
PLN 142.95
Free delivery - Fri, Jan 09
If paid before 14:00
Part no. 8T0959793K
Audi A4 B8 A5 8T Door Control Unit Module Front Driver's Side 8T0959793K
PLN 42.95
Delivery - Fri, Jan 09
If paid before 14:00
Part no. 4H0971224BA
Audi A8 D4 Alternator Starter Motor Wiring Harness Cable Loom 4H0971224BA
PLN 427.95
Free delivery - Fri, Jan 09
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 - Fri, Jan 09
If paid before 14:00
Part no. 8R0907468N
Audi A5 8T Gateway Control Module Unit ECU 8R0907468N
PLN 93.95
Free delivery - Fri, Jan 09
If paid before 14:00
Part no. 4H0959795D
Audi A8L 4H Rear Door Module Control Unit Left Right N/O/S 4H0959795D
PLN 142.95
Free delivery - Fri, Jan 09
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 - Fri, Jan 09
If paid before 14:00
Part no. 4H0907401-1
Audi A8 4H 3.0 TDI CDTA 250HP Quattro Engine ECU Kit 4H0907401 BCM + Key + Lock
PLN 1,614.95
Free delivery - Fri, Jan 09
If paid before 14:00
Part no. 8H0959655E
Audi A4 S4 B7 Cabrio Air Module Control Unit ECU Impact Sensor 8H0959655E
PLN 42.95
Delivery - Fri, Jan 09
If paid before 14:00
Part no. 8W8971687M
Audi A5 F5 Sportback Door Wiring Harness Loom Rear Left N/S 8W8971687M
PLN 189.95
Free delivery - Fri, Jan 09
If paid before 14:00
Part no. 4G5035225
Audi A6 C7 Aerial Roof Booster Antenna Amplifier AMP 4G5035225
PLN 42.95
Delivery - Fri, Jan 09
If paid before 14:00
Part no. 4F0971765
Audi A6 C6 Wing Mirror Adjustment Switch Wiring Loom Cable 4F0971765
PLN 42.95
Delivery - Fri, Jan 09
If paid before 14:00
Part no. 1K0907719C
Audi A3 8P Anti Theft Alarm System Control Module Unit ECU 1K0907719C
PLN 42.95
Delivery - Fri, Jan 09
If paid before 14:00
Part no. 8T0959792H
Door Module Audi A5 8T A4 B8 Control Front Left N/S Unit 8T0959792H
PLN 42.95
Delivery - Fri, Jan 09
If paid before 14:00
Part no. 4F1941824A
Audi A5 F5 Fuse Box Control Module Connector Plug Socket Wiring Loom 4F1941824A
PLN 61.95
Free delivery - Fri, Jan 09
If paid before 14:00
Part no. 8F0035399
Audi A5 8F Door Speaker Tweeter Front Left N/S 8F0035399
PLN 42.95
Delivery - Fri, Jan 09
If paid before 14:00
Part no. 8V0035399C
Audi A3 8V A-Pillar Speaker Tweeter Front Left Right N/O/S 8V0035399C
PLN 94.95
Free delivery - Fri, Jan 09
If paid before 14:00
Part no. 7L0937576B
Audi Q7 4L Fuse Box Trim Cover Panel Electrical Unit Housing 7L0937576B
PLN 42.95
Delivery - Fri, Jan 09
If paid before 14:00
Part no. 8W6907217B
Audi A5 F5 Front Windscreen Windshield Lane Assist Camera 8W6907217B
PLN 332.95
Free delivery - Fri, Jan 09
If paid before 14:00
Part no. 8P0862335F
Audi A3 8P A4 B7 Bluetooth Module Interface Control Unit Hands Free 8P0862335F
PLN 42.95
Delivery - Fri, Jan 09
If paid before 14:00
Part no. 4F1971036A
Audi A6 C6 Front Passenger Door Wiring Left N/S Harness Loom Cable 4F1971036A
PLN 42.95
Delivery - Fri, Jan 09
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 - Fri, Jan 09
If paid before 14:00
Part no. 8J0971085D
Audi TT 8J Parking Sensor Wiring Harness Cable PDC Rear Bumper 8J0971085D
PLN 123.95
Free delivery - Fri, Jan 09
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 - Fri, Jan 09
If paid before 14:00
Part no. 4L0971104S
Audi Q7 4L Rear Bumper Wiring Loom PDC Harness Parking Sensor 4L0971104
PLN 123.95
Free delivery - Fri, Jan 09
If paid before 14:00
Part no. 5QS959655A
Audi A3 S3 8Y Air Module Crash Impact Sensor Unit Control ECU 5QS959655A
PLN 1,044.95
Free delivery - Fri, Jan 09
If paid before 14:00
Part no. 8V4971687K
Audi A3 RS3 8V 5Dr Door Harness Loom Wiring Rear Left Right N/O/S 8V4971687K
PLN 42.95
Delivery - Fri, Jan 09
If paid before 14:00
Part no. 8K0959792
Audi A4 B8 Door Module Control Unit Module ECU Front Left N/S 8K0959792
PLN 75.95
Free delivery - Fri, Jan 09
If paid before 14:00
Part no. 4F1971687AL
Audi A6 C6 Rear Left N/S Door Harness Cable Loom 4F1971687AL
PLN 222.95
Free delivery - Fri, Jan 09
If paid before 14:00
Part no. 4L0959792B
Audi Q7 4L Door Control Unit Module ECU Passenger Side 4L0959792B
PLN 75.95
Free delivery - Fri, Jan 09
If paid before 14:00
Part no. 8K0959793D
Audi A4 B8 A5 S5 8T Door Module Control Unit Front Left N/S 8K0959793D
PLN 75.95
Free delivery - Fri, Jan 09
If paid before 14:00
Part no. 80C919616
Audi Q5 FY Multimedia Volume Control Button Switch Knob Head Unit 80C919616
PLN 94.95
Free delivery - Fri, Jan 09
If paid before 14:00
Part no. 8T0919611-1
Audi A4 B8 Head Unit Media Player Controller Knob Switch Panel 8T0919611
PLN 237.95
Free delivery - Fri, Jan 09
If paid before 14:00
Part no. 4H0907063BA
Audi A6 C7 Onboard Supply BCM Body Control Module Unit ECU 4H0907063BA
PLN 142.95
Free delivery - Fri, Jan 09
If paid before 14:00
Part no. A1635400382
Mercedes ML W163 Fuse Relay Box ECU Cover Trim A1635400382
PLN 42.95
Delivery - Fri, Jan 09
If paid before 14:00
Part no. 420919275-1
Rear Bumper PDC Audi A5 Sensor Parking Distance Control 420919275 1706091849
PLN 75.95
Free delivery - Fri, Jan 09
If paid before 14:00
Part no. 8W0906093G
Audi A4 B9 A5 F5 Petrol Engine Fuel Pump Control Unit Module 8W0906093G
PLN 42.95
Delivery - Fri, Jan 09
If paid before 14:00
Part no. 4H4907357G
Audi TT 8S Headlight Head Light Lamp Range Control Unit Module ECU 4H4907357G
PLN 260.95
Free delivery - Fri, Jan 09
If paid before 14:00
Part no. 8X0971365
Audi A1 8X Driver's Seat Cable Seat Belt Warning Wiring Loom Harness 8X0971365
PLN 189.95
Free delivery - Fri, Jan 09
If paid before 14:00
Part no. 8P0862335S
Audi S3 8P Interface Bluetooth Control Module Harman Becker ECU 8P0862335S
PLN 61.95
Free delivery - Fri, Jan 09
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 - Fri, Jan 09
If paid before 14:00
Part no. 2GA035284B
Audi Q2 GA Online Services Control Module ECU Unit 2GA035284B
PLN 569.95
Free delivery - Fri, Jan 09
If paid before 14:00
Part no. 4H0937555
Audi A8L 4H Fuse Box Relay Chamber Lower Cover Lid Housing 4H0937555
PLN 61.95
Free delivery - Fri, Jan 09
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 - Fri, Jan 09
If paid before 14:00
Part no. 7H0907655A
Audi TT 8J Yaw Rotary Rate Sensor Speed Cluster Sensor 7H0907655A
PLN 42.95
Delivery - Fri, Jan 09
If paid before 14:00
Part no. 4H0907182H
Audi A8 D4 4H Front Seat Backrest Control Module Unit ECU 4H0907182H
PLN 170.95
Free delivery - Fri, Jan 09
If paid before 14:00
Part no. 4G0907401F-1
Audi A7 4G 3.0 TDI CDUC Quattro Engine ECU Kit BCM + Ignition + Key 04L907445F
PLN 1,662.95
Free delivery - Fri, Jan 09
If paid before 14:00
Part no. 4L0035225AJ
Audi Q7 4L Radio Aerial Antenna Amplifier AM/FM 4L0035225AJ
PLN 123.95
Free delivery - Fri, Jan 09
If paid before 14:00
Part no. 3G0962243C
Volkswagen Seat Skoda Audi Tailgate Module Controller 3G0962243C
PLN 142.95
Free delivery - Fri, Jan 09
If paid before 14:00
Part no. 4G0907468AB
Audi A6 C7 Gateway Module Control Unit ECU 4G0907468AB
PLN 284.95
Free delivery - Fri, Jan 09
If paid before 14:00
Part no. 8E0057185KX
Audi A4 B7 Radio Media Player Audio CD Head Unit Player Concert 8E0057185KX
PLN 237.95
Free delivery - Fri, Jan 09
If paid before 14:00
Part no. 4H0951253-1
Audi A3 8P Multi Use Control Module Relay 4 Pin Light Green Unit Set 4H0951253
PLN 42.95
Delivery - Fri, Jan 09
If paid before 14:00
Part no. 03L906018LA-1
Audi A6 C7 2.0 TDI CGLC 177HP Engine Unit ECU Kit 03L906018LA 2 Keys Ignition
PLN 854.95
Free delivery - Fri, Jan 09
If paid before 14:00
Part no. 7E0907655A
Audi TT 8J ESP YAW Lateral Acceleration Sensor 7E0907655A
PLN 94.95
Free delivery - Fri, Jan 09
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 - Fri, Jan 09
If paid before 14:00
Part no. 6R0915181E
Audi A1 8X Battery Cable Loom Harness Wiring Negative Terminal 6R0915181E
PLN 42.95
Delivery - Fri, Jan 09
If paid before 14:00
Part no. 4H0035670R
Audi A8L 4H Multimedia Radio Sat Nav CD Player SD SIM Head Unit 4H0035670R
PLN 1,899.95
Free delivery - Fri, Jan 09
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 - Fri, Jan 09
If paid before 14:00
Part no. 5Q0971250P
Audi S3 8V Battery Wire Cable Negative Earth Lead 95Q0971250P
PLN 42.95
Delivery - Fri, Jan 09
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 - Fri, Jan 09
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 - Fri, Jan 09
If paid before 14:00
Part no. 8T0907441D
AUDI A4 B8 Reversing Camera Control Module Rear View Unit ECU 8T0907441D
PLN 569.95
Free delivery - Fri, Jan 09
If paid before 14:00
Part no. 4H0907801E
AUDI A7 4G8 Electric Handbrake Control Module TRW 4H0907801E
PLN 61.95
Free delivery - Fri, Jan 09
If paid before 14:00
Part no. 8J0035456A
Antenna Amplifier Audi Q5 8R A6 C6 A5 8T Mobile Phone Module Unit 8J0035456A
PLN 75.95
Free delivery - Fri, Jan 09
If paid before 14:00
Part no. 3Q0907338
Audi S3 8V Front Headlight Lamp Range Control Module ECU 3Q0907338
PLN 237.95
Free delivery - Fri, Jan 09
If paid before 14:00
Part no. 8R0035223F
Audi A4 B8 A5 8T Stereo Radio Sound System Speaker Amp Amplifier 8R0035223F
PLN 61.95
Free delivery - Fri, Jan 09
If paid before 14:00
Part no. 4FO903291
Audi A6 C6 2.0 TDI Relay Condenser 4FO903291
PLN 42.95
Delivery - Fri, Jan 09
If paid before 14:00
Part no. 4E0941817B
Audi A6 A8 D4 Q7 4M CAN Bus Jumper Contact Bridge Connector Plug 4E0941817B
PLN 42.95
Delivery - Fri, Jan 09
If paid before 14:00
Part no. 8N0959643A
Audi TT 8J Crash Impact Sensor Unit Air Module 8K0955557C
PLN 42.95
Delivery - Fri, Jan 09
If paid before 14:00
Part no. 8J0971349A
Audi TT 8J Alternator Main Cable Wiring Harness Loom 8J0971349A
PLN 142.95
Free delivery - Fri, Jan 09
If paid before 14:00
Part no. 5QS915181
Audi A3 S3 8Y Battery Negative Terminal Cable Wire 5QS915181
PLN 189.95
Free delivery - Fri, Jan 09
If paid before 14:00
Part no. 4F0035503E
Audi A4 B8 Transmitting Receiving Unit Road Toll System 4F0035503E
PLN 189.95
Free delivery - Fri, Jan 09
If paid before 14:00
Part no. 8X0971693A
Audi A1 8X Door Wiring Harness Loom Rear Left Right N/O/S Cabling 8X0971693A
PLN 85.95
Free delivery - Fri, Jan 09
If paid before 14:00
Part no. 4H0907412
Audi A8 D4 Ambient Lighting Control Module Unit ECU 4H0907412
PLN 42.95
Delivery - Fri, Jan 09
If paid before 14:00
Part no. 8P0907063R
Audi TT 8J BCM Body Control Module Unit ECU 8P0907063R
PLN 284.95
Free delivery - Fri, Jan 09
If paid before 14:00
Part no. 03L906018KP
Audi TT 8J CFGB 2.0 TDI Quattro 170HP Engine ECU Kit 03L906018KP Automatic
PLN 949.95
Free delivery - Fri, Jan 09
If paid before 14:00
Part no. 8K0959792J
Audi A4 B8 Door Module Front Left N/S Control Unit Module ECU 8K0959792J
PLN 47.95
Delivery - Fri, Jan 09
If paid before 14:00
Part no. 8W0959595E
Audi A4 B9 Rear Door Control Module ECU Left Right N/O/S 8W0959595E
PLN 94.95
Free delivery - Fri, Jan 09
If paid before 14:00
Part no. 8S0035072A
Audi TT FV Dashboard Sat Nav Drive Unit MMI Multimedia Infortaiment 8S0035072A
PLN 1,709.95
Free delivery - Fri, Jan 09
If paid before 14:00
Part no. 4L1937503
Audi Q7 4L Fuse Relay Box Module Electrical Control Unit 4L1937503
PLN 61.95
Free delivery - Fri, Jan 09
If paid before 14:00
Part no. 4K0941572CS
Audi A3 8Y LED Headlight Headlamp Ballast Control Module 4K0941572CS
PLN 161.95
Free delivery - Fri, Jan 09
If paid before 14:00
Part no. 8P4971035AC
Audi A3 8P Door Wiring Driver's Side Harness Loom Electrical Cable 8P4971035AC
PLN 474.95
Free delivery - Fri, Jan 09
If paid before 14:00
Part no. 3C0915336A
Audi A3 8P Battery Box Tray Covering Housing Trim Holder Bracket 3C0915336A
PLN 42.95
Delivery - Fri, Jan 09
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 .