What is the construction and purpose of automotive electrical systems?

Automotive electrical systems are a set of components responsible for starting, charging, powering consumers, and controlling vehicle electronics. They include, among others, the battery, alternator, starter, fuses, relays, controllers, and wiring harnesses. These components are located in different parts of the car and work together through connectors and signal buses.

What are automotive electrical systems used for?

Automotive electrical systems are used to supply energy and transmit control signals to vehicle components. Thanks to them, it is possible to start the engine, charge the battery, and operate lights, windows, air conditioning, and safety systems. A fault in one circuit can affect not only comfort but also the correct operation of other modules.

What role does the wiring harness play in a car?

The wiring harness is an organized set of wires, covers, and connectors that connects individual consumers and controllers in the vehicle. It is used to transmit power, ground, and signals between modules. Its construction depends on the body version, equipment, and mounting location, so when replacing it, you must compare the wire routing, plug type, and number of pins.

How to choose an electrical part for a specific car?

The safest way is to compare the OEM number, manufacturer number, connector type, and mounting location. It is also worth considering the engine version, year of manufacture, body type, and equipment, as the same model may have different variants of the alternator, starter, or controller. In practice, verification by VIN is very helpful.

What symptoms indicate a problem with the electrical system?

Typical signals include difficulty starting, flashing warning lights, dimming lights, unstable charging, or the failure of selected consumers. In some cases, controller errors, air conditioning malfunctions, or periodic power outages also occur. Symptoms must always be linked to a specific circuit and cooperating component.

How to take care of automotive electrical systems in daily use?

The basis is regular inspection of the battery condition, terminals, ground wires, and charging. It is also good to check the tightness of housings, the condition of harness insulation, and the cleanliness of contacts exposed to moisture. A quick reaction to the first symptoms of voltage drops or electronic errors makes it easier to avoid a major failure.

Automotive electrical systems

At 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.

More information

Make

Audi Q3 8U 2.0 TFSI Quattro CCZC 170HP Engine Control ECU 8U0907115K Automatic

Product currently unavailable

Part no. 02T911023M

Audi A3 8P 1.6 MPI Petrol Starter Motor Engine 02T911023M

Product currently unavailable

Part no. 8K0971029B

Audi A4 B8 Door Wiring Harness Loom Cable Front Driver's Side 8K0971029B

Product currently unavailable

Part no. 4F0959792R

Audi A6 C6 Front Door Left N/S Module Unit Control ECU 4F0959792R

Product currently unavailable

Part no. 8K0971104AE

Audi A5 8T Rear Bumper PDC Parking Sensor Wiring Harness Loom 8K0971104AE

Product currently unavailable

Part no. 8J0907115AJ

Audi TT Mk2 8J 2.0 TFSI CESA 211HP Engine Control Unit ECU 8J0907115AJ Automatic

Product currently unavailable

Part no. 5QA919283H

Seat Arona KJ7 Park Parking Assist PDC Distance Control Unit Module 5QA919283H

Product currently unavailable

Part no. 8R0971228D

Audi Q5 8R Starter Alternator Harness Wire Loom Cable 2.0 TDI Diesel 8K0971824

Product currently unavailable

Part no. 4F0035061D

Audi A4 A5 A6 Q5 Q7 Radio Control Head Unit Harman Becker 4F0035061D

Product currently unavailable

Part no. 8K2907115AE-1

Audi A4 B8 A5 8F 2.0TFSI CDNC 211HP Engine Unit ECU 8K2907115AE Manual

Product currently unavailable

Part no. 03L903023-1

Audi A3 8V Diesel Engine Starter Alternator Electrical 14V 140A 03L903023

Product currently unavailable

Part no. 8U0857273E

Audi Q3 S Line Multimedia Radio Sat Nav Screen Display Head Unit 8U0857273E

Product currently unavailable

Part no. 8X0959792D

Audi A1 8X Front Passenger Side Door Module Unit Control ECU 8X0959792D

Product currently unavailable

Part no. 4E0907801B

Audi A8 S8 D3 Electric Parking Brake Module Handbrake Control Unit 4E0907801B

Product currently unavailable

Part no. 3Q0959435B

Audi TT FV Entry Keyless Kessy Control Module Unit ECU 3Q0959435B

Product currently unavailable

Part no. 8P4971693AB

Audi A3 8P Door Wiring Harness Loom Cabling Rear Left Right N/O/S 8P4971693AB

Product currently unavailable

Part no. 5Q0959592B

Audi A3 8V Door Module Control Unit Front Passenger Side 5Q0959592B

Product currently unavailable

Part no. 8K2907115L

Audi A4 B8 A5 8T 8K 2.0 TFSI CDNC 211HP Engine Control ECU 8K2907115L Manual

Product currently unavailable

Part no. 8W0959121B

Audi A4 B9 A5 F5 Pressure Sensor Pedestrian Protection System 8W0959121B

Product currently unavailable

Part no. 057911024

Audi A4 B9 A5 F5 Q7 4M Q5 FY VW Volkswagen Touareg Mk3 Starter Motor 057911024

Product currently unavailable

Part no. 4G5035223E

Audi A7 4G Bose Sound System Amplifier 4G5035223E

Product currently unavailable

Part no. 02Z911024A

Audi A3 8P 1.6 TDI 5 Speed Manual Diesel Engine Starter Motor 02Z911024A

Product currently unavailable

Part no. 8P0959801F

Audi A3 8P Door Window Lifter Regulator Motor Front Right O/S 8P0959801F

Product currently unavailable

Part no. 5Q0907521D

Audi A3 8V Heater Blower Motor Fan Resistor 5Q0907521D

Product currently unavailable

Part no. 80A907355F

Audi A6 C8 AdBlue Tank Control Module Unit ECU 80A907355F

Product currently unavailable

Part no. 8P0941029BF-2

Audi RS3 8P Front Headlight Xenon Wire Cable Harness Wiring Left N/S 8P0941029BF

Product currently unavailable

Part no. 4L0910223H

Audi Q7 4L Audio Amplifier Sound System Unit Module ECU 4L0910223H

Product currently unavailable

Part no. 4H0907401M

Audi A8 4H 3.0 TDI CTBA Quattro 258HP Engine Control ECU 4H0907401M

Product currently unavailable

Part no. 8W1907064BL

Audi A4 B9 Body Control Module BCM Comfort Control Unit Power Supply 8W1907064BL

Product currently unavailable

Part no. 81A035192B

Audi A3 8V Radio CD SD SIM Player Stereo Sat Nav Head Unit 81A035192B

Product currently unavailable

Part no. 03L906022NN

Audi A4 B8 2.0 TDI 143HP CAGA Diesel Engine Control Unit ECU Module 03L906022NN

Product currently unavailable

Part no. 8V1035035B

Audi A3 S3 Q2 RS3 Multimedia Navigation Card Reader Head Unit 8V1035035B

Product currently unavailable

Part no. 8E0910115K

Audi A4 B7 2.0 TFSI BWE 200HP Engine Control ECU 8E0910115K Manual

Product currently unavailable

Part no. 80A915459

Audi Q5 FY Battery Positive Cable Clamp Control Module Terminal 80A915459

Product currently unavailable

Part no. 89393773

Audi Q7 4L Headlight Module Ballast Control Unit 89393773

Product currently unavailable

Part no. 4L0907566A

AUDI Q7 4L Lane Assist Module Blind Spot 4L0907566A

Product currently unavailable

Part no. 4F0910223M

Audi A6 C6 Amplifier Audio Sound Control Unit Module Controller 4F0910223M

Product currently unavailable

Part no. 4E0057110C

AUDI A8 4E S8 D3 CD Changer Control Module 6 CD unit 4E0057110C

Product currently unavailable

Part no. 8X0035183

Audi A1 8X Multimedia Radio CD Player Navigation Head Unit 8X0035183

Product currently unavailable

Part no. 4F0035769B

Audi A6 C6 CD DVD Navigation Sat Nav Head Unit 4F0035769B

Product currently unavailable

Part no. 8K5907401A-2

Audi A5 8T 3.0 TDI CDUC 245HP Engine ECU Kit BCM + Key 8K5907401A Automatic

Product currently unavailable

Part no. 06H911021D

Audi A4 B8 Petrol Engine Starter Motor Actuator 1.8 2.0 TFSI 06H911021D

Product currently unavailable

Part no. 02E911024H

Volkswagen Seat Skoda Audi 2.0 TDI Diesel Engine Starter Motor Valeo 02E911024H

Product currently unavailable

Part no. 5H0907383D

Audi Q2 GA Towing Hitch Trailer Hook Module Control Unit 5H0907383D

Product currently unavailable

Part no. 8H0035223E

Audi A4 B7 Convertible Rear Speaker Amplifier Blaupunkt Right O/S 8H0035223E

Product currently unavailable

Part no. 02E911023H

Audi A3 Starter Motor Engine Diesel 02E911023H

Product currently unavailable

Part no. 8R0919604

Audi A5 8T Multimedia Radio Sat Nav Screen Display Head Unit 8R0919604

Product currently unavailable

Part no. 5QS907530A

Audi S3 8Y Diagnostic Interface Data Bus Gateway Control Unit 5QS907530A

Product currently unavailable

Part no. 4F0907801

Audi A6 C6 Parking Brake Handbrake Module Control Unit 4F0907801

Product currently unavailable

Part no. 03C903023T

Audi A1 8X A3 8P VW Passat B7 Alternator Generator 1.4 TFSI Engine 03C903023T

Product currently unavailable

Part no. 4H0907063DB

Audi A5 8T Body Control Comfort Unit Convenience Module BCM1 ECU 4H0907063DB

Product currently unavailable

Part no. 8P7035223A

Audi A3 8P Convertible Audio Amplifier Unit Control Unit Module Bose 8P7035223A

Product currently unavailable

Part no. 06E903016N

Audi A4 B8 3.2 FSI Alternator Generator 06E903016N

Product currently unavailable

Part no. 8X0919475N

Audi Q3 8U PDC Assistance Parking Distance Control Module Unit ECU 8X0919475N

Product currently unavailable

Part no. 4F7910401L-1

Audi A6 C6 2.7 TDI CANC Quattro 190HP Engine Control Unit ECU Kit 4F7910401L

Product currently unavailable

Part no. 4N0907063KE

Audi Q7 4M Body Control Comfort Unit Module BCM Convenience Unit ECU 4N0907063KE

Product currently unavailable

Part no. 03C971612BR

Audi A1 8X 1.4 TSI Engine Wiring Loom Harnes 03C971612BR

Product currently unavailable

Part no. 8K5907357

Audi A4 B8 Headlight Headlamp Range Control Unit Module 8K5907357

Product currently unavailable

Part no. 06F971082F

Audi TT 8J 2.0 TFSI Petrol Fuel Injectors Wiring Harness 06F971082F

Product currently unavailable

Part no. 8P4971726M

Audi A3 8P Tailgate Wiring Harness Cable Loom Rear Right O/S 8P4971726M

Product currently unavailable

Part no. 8R0959655G

Audi Q5 8R Air Module Control Unit SRS System ECU 8R0959655G

Product currently unavailable

Part no. 8P0862335S

Audi S3 8P Interface Bluetooth Control Module Harman Becker ECU 8P0862335S

Product currently unavailable

Part no. 03L911021G

Audi A4 B8 A5 8T A6 C7 Starter Motor Actuator Bosch Diesel Engine 03L911021G

Product currently unavailable

Part no. 1K0907530AF

Gateway Module Audi A3 8P Volkswagen Golf Mk6 Control Unit ECU 1K0907530AF

Product currently unavailable

Part no. 8R0035223H

Audi A4 B8 A5 8T Q5 8R Audio Amplifier Sound Module Control Unit 8R0035223H

Product currently unavailable

Part no. 4KE907468M

Audi A6 C8 Gateway Interface Control Unit Module ECU 4KE907468M

Product currently unavailable

Part no. 1K0971228AB

Audi A3 8P VW Golf Mk6 Positive Battery Terminal Cable Wire Lead 1K0971228AB

Product currently unavailable

Part no. 03L906022DH

Audi TT 8J 2.0 TDI 170HP CBBB Quattro Engine Module Unit ECU 03L906022DH Manual

Product currently unavailable

Part no. 4L0907357B

Audi Q7 4L Headlight Level Range Adjustment Module Control Unit 4L0907357B

Product currently unavailable

Part no. 059903016E

Audi A4 B8 A5 Q5 Sportback Alternator Generator 059903016E

Product currently unavailable

Part no. 1K0915333B

Audi A3 8P Battery Box Tray Housing Holder Bracket Cover 1K0915333B

Product currently unavailable

Part no. 8J0907115N-1

Audi TT Mk2 8J 2.0 TFSI BWA 200HP Engine ECU Kit Ignition + Key 8J0907115N

Product currently unavailable

Part no. 8K0907561

Audi A4 B8 A5 8T PDC Parking Parktronic Sensor Module Assist Unit ECU 8K0907561

Product currently unavailable

Part no. 4L0698007A

Audi Q7 4L Air Suspension Level Height Adjustment Compressor Pump 4L0698007A

Product currently unavailable

Part no. 03L906018KL-1

Audi A5 8T 2.0 TDI Quattro CGLC 177HP Engine Control ECU 03L906018KL Automatic

Product currently unavailable

Part no. 5Q0915181D

Audi A3 S3 8V Negative Battery Terminal Cable Harness Wiring Loom 5Q0915181D

Product currently unavailable

Part no. 8K5907357B

Audi A4 B8 A5 8T Front Lamp Headlight Range Control Module 8K5907357B

Product currently unavailable

Part no. 8K2907115S-1

Audi A4 B8 8K A5 8T 2.0 TFSI CDNB 180HP Engine Control ECU 8K2907115S Manual

Product currently unavailable

Part no. 4E0035729

Audi A6 C6 Bluetooth Interface MMI Multimedia Control Module ECU Unit 4E0035729

Product currently unavailable

Part no. 8W0959592G

Audi A4 B9 Front Door Module Control Unit Passenger Side 8W0959592G

Product currently unavailable

Part no. 82A035043H

Audi RSQ3 F3 Navigation Infotainment System Nav Unit Computer ECU 82A035043H

Product currently unavailable

Part no. 4F0959793R

Audi A6 C6 Door Module Front Driver's Side Control Unit ECU 4F0959793R

Product currently unavailable

Part no. 5WA907530Q

Audi A3 RS3 8Y Gateway Control Unit Module ECU GW2020 High 5WA907530Q

Product currently unavailable

Part no. 02M911021S

Audi TT FV Starter Motor Engine Diesel 02M911021S

Product currently unavailable

Part no. 8U0035192E

Audi Q3 8U Multimedia MMI Radio CD Sat Nav Head Unit Module ECU 8U0035192E

Product currently unavailable

Part no. 8P0919475D

Audi A3 8P Parking Distance Sensor Control Unit Module Rear 8P0919475D

Product currently unavailable

Part no. 4E0910148E

Audi S4 B8 A4 A5 S5 TV Receiver Tuner Television Receiver Module 4E0910148E

Product currently unavailable

Part no. 06H903017EX

Audi A3 8P Engine Alternator Generator 14V 140A 1.8 TFSI CDAA 06H903017E

Product currently unavailable

Part no. 1K0907530Q

Gateway Module Audi A3 8P Volkswagen Golf Mk5 Control Unit 1K0907530Q

Product currently unavailable

Part no. 8K0907064BP

Audi S5 8T Body Comfort Control BCM Supply Module Unit ECU 8K0907064BP

Product currently unavailable

Part no. 4E0910110E

Audi S6 C6 6-Disc CD Changer Magazine Head Unit MMI 4E0910110E

Product currently unavailable

Part no. 8K0906264B-1

Audi A4 B8 1.8 TFSI CJEB 170HP Engine ECU Kit 8K0906264B Key + Ignition + Lock

Product currently unavailable

Part no. 8H0972387

Audi A4 B7 Cabriolet Roof Motor Wiring Harness Wiring Loom 8H0972387

Product currently unavailable

Part no. 4F0910223H

Audi A6 C6 Amplifier Audio Sound Control Unit Module Controller 4F0910223H

Product currently unavailable

Part no. 8Y0035282

Audi A3 S3 RS3 8Y Online Service Bluetooth Control Module Unit 8Y0035282

Product currently unavailable

Part no. 8K0907144E

Audi A5 8T Dynamic Active Steering Module ECU 8K0907144E

Product currently unavailable

Part no. 8S0035072A

Audi TT FV Dashboard Sat Nav Drive Unit MMI Multimedia Infortaiment 8S0035072A

Product currently unavailable

Part no. 8W0959655H

Audi A4 B9 RS5 F5 Air Module Control Unit SRS Sensor ECU 8W0959655H

Product currently unavailable

Part no. 8K0971095G

Audi RS4 B8 Front Bumper PDC Wiring Park Assist Sensor Harness 8K0971095G

Product currently unavailable

...

Showing 1882-1980 of 2601 products