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 S4 B8 Lane Change Departure Assist Blind Spot Control Unit 4L0907568B

Product currently unavailable

Part no. 8E0919283E

Audi A4 B7 PDC Parking Distance Sensor Control Unit Module Front Rear 8E0919283E

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. 4E0057110C

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

Product currently unavailable

Part no. 8X0959793F

Audi A1 8X Front Door Module Unit Control Driver's Side Right O/S 8X0959793F

Product currently unavailable

Part no. 80A907217A

Audi Q5 FY Front Windscreen Windshield Lane Assist Camera 80A907217A

Product currently unavailable

Part no. 4L0941824

Audi R8 42 Spyder Fuse Box Control Unit Module Petrol 4L0941824

Product currently unavailable

Part no. 8K0907064KB

Audi A5 8T Body Control Comfort Unit Module BCM Convenience Unit ECU 8K0907064KB

Product currently unavailable

Part no. 04L907309R-3

Audi A3 8V VW Golf VII 2.0 TDI 150HP CRLB Engine Unit ECU Kit 04L907309R Manual

Product currently unavailable

Part no. 5Q0959655BT

Audi A3 8V Air Module Control Sensor SRS System ECU Unit 5Q0959655BT

Product currently unavailable

Part no. 8P0035192H

Audi A3 S3 8P Radio Media GPS Sat Audi Navigation Plus Unit 8P0035192H

Product currently unavailable

Part no. 1K0907530L

Audi TT 8J Volkswagen Golf Mk5 Gateway Control Unit Module ECU 1K0907530L

Product currently unavailable

Part no. 8K0971228F

Audi A4 B8 A5 8T 8F Alternator Starter Wiring Loom Harness 8K0971228F

Product currently unavailable

Part no. 8T0907566B

Audi A4 B8 Blind Spot Radar Sensor Control Module Rear Right O/S 8T0907566B

Product currently unavailable

Part no. 4G8959795F

Audi A7 4G Rear Door Control Module Unit ECU Left Right N/O/S 4G8959795H

Product currently unavailable

Part no. 8W0941823F

Audi A4 B9 Power Distribution Fuse Box Battery 8W0941823F

Product currently unavailable

Part no. 5Q0971228AC

Audi Q2 GA Volkswagen T Roc Battery Terminal Positive Cable 5Q0971228AC

Product currently unavailable

Part no. 04L907309R

Audi A3 8V 2.0 TDI Quattro 184HP DGCA Engine ECU Unit 04L907309R Automatic

Product currently unavailable

Part no. 8R0971095D

Audi Q5 8R Front Bumper PDC Parking Sensor Wiring Harness Loom 8R0971095D

Product currently unavailable

Part no. 4G8971365M

Audi A7 4G Seat Cable Front Left Right N/O/S Wiring Loom Harness 4G8971365

Product currently unavailable

Part no. 07K907309F

Audi RSQ3 F3 2.5 TFSI Quattro 400HP DNWA Engine Unit ECU 07K907309F Automatic

Product currently unavailable

Part no. 4L0959760

Audi Q7 4L Front Memory Adjustment Module Control Left Right N/O/S 4L0959760

Product currently unavailable

Part no. 8K0971095G

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

Product currently unavailable

Part no. 4E0910441

AUDI A8 S8 D3 Reversing Camera Control Module Rear View Unit ECU 4E0910441

Product currently unavailable

Part no. 4G0907159B

Audi S7 4G8 Alarm Signal Body Sound Impact Control Module Unit 4G0907159B

Product currently unavailable

Part no. 8K0971228AK

Audi A4 B8 A5 8T Alternator Main Cable Wiring Harness Loom 8K0971228AK

Product currently unavailable

Part no. 4E0910553L

Audi A8 4E S8 D3 Adaptive Air Suspension Control Module 4E0910553L

Product currently unavailable

Part no. 1K0971349CD

Audi A3 8P Alternator Wiring Harness Three Phase Air Con Set 1K0971349CD

Product currently unavailable

Part no. 4G0907613D

Audi A6 C7 A7 4G Fuse Box Modules Housing Cap Trim 4G0907613D

Product currently unavailable

Part no. 4E0910732A

Audi A8 4E S8 D3 Head Unit Interface Control Module 4E0910732A

Product currently unavailable

Part no. 4E0035223G

Audi A8 D3 S8 D3 Bose Sound System Sound Amplifier Module ECU 4E0035223G

Product currently unavailable

Part no. 03L903017B

Audi Q5 8R 2.0 TDI Quattro Alternator Generator 03L903017B

Product currently unavailable

Part no. 4E0955559C

Audi A6 C6 Front Windscreen Rain Light Solar Sensor Unit 4E0955559C

Product currently unavailable

Part no. 5QA919283G

Audi A3 8V Park Parking Assist PDC Distance Control Unit Module 5QA919283G

Product currently unavailable

Part no. 8P0959433

Audi A3 8P Body Control Comfort Unit Module BCM Convenience Unit 8P0959433

Product currently unavailable

Part no. 8Y4971104AL

Audi S3 8Y Electric Rear Bumper Wiring Harness PDC Loom Cable 8Y4971104AL

Product currently unavailable

Part no. 04L907309P

Audi A3 8V 2.0 TDI DFGA 150HP Engine Control Unit ECU 04L907309P Automatic

Product currently unavailable

Part no. 8W6907217B

Audi A5 F5 Front Windscreen Windshield Lane Assist Camera 8W6907217B

Product currently unavailable

Part no. 4H0907064FB

Audi A8 D4 BCM Module Body Control Unit Convenience ECU 4H0907064FB

Product currently unavailable

Part no. 5Q0959393

Audi A3 8V Control Unit Central Door Locking Module ECU 5Q0959393

Product currently unavailable

Part no. 5N0971349ED

Audi Q3 8U Volkswagen Tiguan Alternator Wiring Cable Harness 5N0971349ED

Product currently unavailable

Part no. 8K0907063L

Audi A4 B8 A5 8T Onboard Comfort Supply Control Module Unit ECU 8K0907063L

Product currently unavailable

Part no. 4E0919603K

Audi S8 D3 Multimedia Display MMI Mechanism Carbon Fiber Look 4E0919603K

Product currently unavailable

Part no. 8XA035192C

Audi A1 8X Mulitmedia MMI Player Audio Stereo Radio Head Unit 8XA035192C

Product currently unavailable

Part no. 04L907309E-2

Audi A1 8X 1.6 TDI CXMA 115HP Engine ECU Kit 04L907309E Ignition + Key Manual

Product currently unavailable

Part no. 4G0907553G

Audi A8 D4 Dynamic Air Suspension Control Unit Module ECU WABCO 4G0907553G

Product currently unavailable

Part no. 8K0915181C

Audi A6 C6 Battery Negative Terminal Cable Wiring Wire 8K0915181C

Product currently unavailable

Part no. 8P0919475

Audi A3 8P PDC Parking Distance Control Module ECU Unit 8P0919475

Product currently unavailable

Part no. 8P0907115H

Audi S3 8P 2.0 TFSI BHZ 265HP Engine Control Module ECU 8P0907115H Manual

Product currently unavailable

Part no. 4H0907063L

VW Touareg 7P Central Body Control Module Comfort Unit BCM ECU 4H0907063L

Product currently unavailable

Part no. 5Q0959107S

Audi Q2 GA Q3 F3 Rear Boot Trunk Lid Tailgate Control Unit Module 5Q0959107S

Product currently unavailable

Part no. 8P0862335Q

Audi A4 B7 Harman Becker Bluetooth Module Interface Control Unit 8P0862335Q

Product currently unavailable

Part no. 4F0907801B

Audi A6 C6 Electric Parking Hand Brake Module Control Unit ECU 4F0907801B

Product currently unavailable

Part no. 4G0907160E

Audi A6 A7 4G Engine Exhaust Active Sound Control Module Unit 4G0907160E

Product currently unavailable

Part no. 4L0910401G-1

Audi Q7 4L 3.0 TDI CASA Quattro 240HP Engine Contol ECU Set 4L0910401G Automatic

Product currently unavailable

Part no. 4F0820521

Audi A6 4F S6 R8 RS6 Heater Blower Motor Resistor BOSCH 4F0820521

Product currently unavailable

Part no. 8P4971726M

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

Product currently unavailable

Part no. 8K0919475

Audi A5 8T Parktronic Parking Sensor Module Unit ECU 8K0919475

Product currently unavailable

Part no. 04L906021CL-1

Audi A5 8T 2.0 TDI CNHA 190HP Engine Control Unit ECU Kit Key 04L906021CL Manual

Product currently unavailable

Part no. 4G5971085AE

Audi A6 C7 Rear Bumper PDC Parking Sensor Wiring Loom Harness 4G5971085AE

Product currently unavailable

Part no. 4F0915459

Audi A6 C6 Battery Positive Plus Pole Terminal Lead Overload 4F0915459

Product currently unavailable

Part no. 4H0911075B

Audi A8L 4H Power Positive Distribution Junction Jumper Box Housing 4H0911075B

Product currently unavailable

Part no. 8E1971035DJ

Audi A4 B7 Front Door Wiring Harness Loom Cable Left N/S 8E1971035DJ

Product currently unavailable

Part no. 1K0907655A

Audi A3 8P Yaw Sensor ESP Rotation Rate Control Unit Module 1K0907655A

Product currently unavailable

Part no. 04L907309A

Audi TT Mk3 8S 2.0 TDI CUNA 184HP Engine Control Unit ECU 04L907309A Manual

Product currently unavailable

Part no. 05L907309-2

Audi A4 B9 2.0 TDI DTNA 163HP Engine Control Unit ECU 05L907309 Automatic

Product currently unavailable

Part no. 8P4963553

Audi A3 8P Front Seat Occupation Sensor Left Right N/O/S 8P4963553

Product currently unavailable

Part no. 4L0910655B

Audi Q7 4L ECU Air Module Control Unit Crash Impact Sensor 4L0910655B

Product currently unavailable

Part no. 4H0907063GH

Audi A6 C7 BCM Body Control Module Unit ECU 4H0907063GH

Product currently unavailable

Part no. 8X0907063K

Audi A1 8X Body Control Module Unit ECU 8X0907063K

Product currently unavailable

Part no. 4G5971085AF

Audi A6 C7 Rear Bumper Parking Sensor PDC Wiring Harness Loom Cable 4G5971085AF

Product currently unavailable

Part no. 4H0919604G

Audi A8L 4H Head Up Display Hud Project Screen Control Unit Module 4H0919604G

Product currently unavailable

Part no. 4G0035711

Audi A6 S6 C7 Hands Free Microphone Module 4G0035711

Product currently unavailable

Part no. 8W1959593J

Audi Q5 FY Door Control Module Unit ECU Front Driver's Side 8W1959593J

Product currently unavailable

Part no. 4G0959754K

Audi A6 C7 Ignition Smart Key Fob Lock Remote Alarm Button Control 4G0959754K

Product currently unavailable

Part no. 8E0959651

Audi A4 S4 B6 A7 4B Crash Impact Sensor 8E0959651

Product currently unavailable

Part no. 8K0907064FF

Audi A4 S4 B8 Body Control Comfort Unit Module BCM2 Unit ECU 8K0907064FF

Product currently unavailable

Part no. 8X0971845A

Audi A1 8X Fuse Relay Box Electrical Control Unit Module 8X0937124

Product currently unavailable

Part no. 5Q0937084DH-1

Audi A3 8V RSQ3 F3 BCM Body Control Module Unit ECU 5Q0937084DH

Product currently unavailable

Part no. 8K0919475E

Audi A4 B8 PDC Parking Assist Sensor Control Module ECU 2.0 TDI 8K0919475E

Product currently unavailable

Part no. 4M0907355E

Audi A4 B9 8W TDI Diesel Adblue Dosing Module Control Unit 4M0907355E

Product currently unavailable

Part no. 4L0910401M-1

Audi Q7 4L 3.0 TDI BUG 233HP Quattro Engine ECU Kit 4L0910401M Lock + Key

Product currently unavailable

Part no. 4K0915459

Audi A6 C8 Battery Postive Terminal Distribution Power Board 4K0915459

Product currently unavailable

Part no. 8V0035036C

Audi A3 8V MMI Multimedia Interface Head Unit GPS Sat Nav Module 8V0035036C

Product currently unavailable

Part no. 8K2907115Q-1

Audi A5 8T 2.0 TFSI CDNB 180HP Engine ECU Kit 8K2907115Q 2 Keys + Ignition

Product currently unavailable

Part no. 04L907309AB-5

Audi Q3 8U Quattro Engine Control Unit ECU 2.0 TDI DFUA 184HP 04L907309AB Manual

Product currently unavailable

Part no. 5Q0937125A-1

Audi TT 8J A3 8V VW Golf Mk7 Fuse Relay Box Engine Bay Supply Unit 5Q0937125A

Product currently unavailable

Part no. 8J0907115N

Audi TT 8J 2.0 TFSI BWA 200HP Engine Control Module ECU Manual 8J0907115N

Product currently unavailable

Part no. 09D927750HT

Audi Q7 4L Automatic Transmission Gearbox Control Unit Module 09D927750HT

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. 4F0907289N

Audi A6 C6 Body Control Comfort Unit Module BCM Unit ECU 4F0907289G

Product currently unavailable

Part no. 81A919604B

Audi Q2 GA Multimedia Multifunction Sat Nav Radio Display Screen 81A919604B

Product currently unavailable

Part no. 4H0919475L

Audi A6 C7 PDC Parking Distance Control Module Unit ECU 4H0919475L

Product currently unavailable

Part no. 4M0971228CH

Audi Q7 4M Alternator Mass Cable Wiring Harness Loom 4M0971228CH

Product currently unavailable

Part no. 8E0937503

Audi A4 B6 B7 Seat Exeo Fuse Relay Box Holder Board 8E0937503

Product currently unavailable

Part no. 4E0862336MX

Audi S4 B8 Bluetooth Telephone Control Module ECU 4E0910336MX 4E0862335

Product currently unavailable

Part no. 8U0959107A

Audi Q3 8U Tailgate Lift Boot Lid Control Unit Module Trunk 8U0959107A

Product currently unavailable

Part no. 4G0919475H

Audi A6 A7 4G8 A8 RS6 Parking Aid PDC Control Unit Module ECU 4G0919475H

Product currently unavailable

Part no. 06B903016AF

Audi A3 8P A4 B7 TT 8J Alternator Generator 140A 14V FSI TFSI Petrol 06B903016AF

Product currently unavailable

...

Showing 1981-2079 of 2829 products