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

Find it faster

Match to your vehicle

Make

Volkswagen VW Caddy 2K Door Harness Loom Cable Wiring Front Left N/S 2K0971557F

€32.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. 7E0919475D

Volkswagen Transporter T5 Parking Aid Sensor Control Module ECU 7E0919475D

€85.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. 7L0959772D

VW Touareg Phaeton Heated Seat Control Module Unit 7L0959772D

€23.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. 7P6945207-2

VW Touareg 7P Rear Tail Light Lamp Wiring Harness Cable Plug Right O/S 7P6945207

€23.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. 2K5971691A

Volkswagen Caddy 2K Sliding Door Wiring Loom Harness Cable Left N/S 2K5971691A

€23.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. 5K0907115K

Volkswagen Golf 5k Engine Control ECU 2.0 Petrol 235 HP 5K0907115K Automatic KIT

€759.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. 03C906027BA

VW Golf Scirocco Engine Jetta Control Unit Module ECU 1.4 TSI 160HP 03C906027BA

€137.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. 1K0035198C-1

Volkswagen Eos 1F Radio CD Navigation Control Unit Module 1K0035198C

€61.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. 3D0919473

Volkswagen Touareg 7L PDC Parking Aid System Display Panel Unit 3D0919473

€23.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. 070903143C

Volkswagen Touareg 7L Alternator Mounting Bracket Carrier Holder 070903143C

€23.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. 03L906018GF-1

Volkswagen Scirocco Mk3 2.0 TDI 140HP CFHC Engine ECU Kit BCM 2 Key 03L906018GF

€256.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. 1K3959857B

Volkswagen Polo 6R Golf Mk6 3-Door Window Lifter Switch Driver's Side 1K3959857A

€23.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. 2GA907159

VW Volkswagen T-Roc Mk1 Body Sound Control Unit Module ECU 2GA907159

€89.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. 1C0909605A

VW Volkswagen Transporter T5 Air Module Control Unit Module ECU 1C0909605A

€23.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. 07Z911023BX

Volkswagen Phaeton 3D Engine Starter Motor Acutator 5.0 V10 Diesel 07Z911023BX

€142.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. 5N0035342E-1

VW Volkswagen Polo 6R Multimedia Control Interface Bracket Retainer 5N0035342E

€23.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. 5Q0955559C

Volkswagen Golf 8 Rain Sensor Front Windscreen 5Q0955559C

€23.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. 1K8907159

Volkswagen Scirocco III Mk3 Impact Sound Control Module Unit 1K8907159

€23.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. 1K0971615BH

VW Golf Mk5 Audi A3 8P Engine Wiring Harness Loom Cable Guide 1K0971615BH

€23.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. 3C4971689K

Volkswagen Passat B6 Rear Door Wiring Adapter Cable Left Right N/O/S 3C4971689K

€23.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. 7E0937617-1

Volkswagen Transporter T5 Fuse Box Control Module Unit 7E0937617

€23.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. 5N0035342F

VW Volskwagen Polo 6R Multimedia Electronic Control Interface Module 5N0035342F

€23.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. 7H0937550A

Volkswagen Trasnporter T5 Main Fuse Socket Engine Bay Panel Module 7H0937550A

€23.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. 5K0937085AA

VW Volkswagen Caddy 2K BCM Comfort Body Control Module Unit 5K0937085AA

€51.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. 1K0971615BL

Volkswagen Passat B6 Golf Mk5 Gearbox Wiring Harness Cable Guide 1K0971615BL

€23.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. 8Y0963554B

Volkswagen Golf 8 Rear Seat Couch Occupancy Sensor Unit 8Y0963554B

€23.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. 7P0959655D

Volkswagen Touareg 7P Air Module ECU Control Module Unit 7P0959655D

€28.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. 1K0971250AE

Volkswagen Scirocco Mk3 Negative Battery Terminal Cable Wiring 1K0971250AE

€23.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. 03N907309

VW Tiguan Mk2 Engine Control Module Unit ECU 2.0 Diesel CUAA 03N907309 Automatic

€379.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. 5Q0915321H

VW Volkswagen Golf Mk7 Battery Tray Holder Mounting Bracket Support 5Q0915321H

€23.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. 5K0907115-1

Volkswagen Scirocco III 2.0 TSI CCZB 211HP Engine Control ECU 5K0907115 Manual

€379.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. 3G9945307E-1

VW Passat B8 Tail Light Rear Lamp Inner Left N/S Wire Cable Harness 3G9945307E

€23.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. 5H0837085

VW Volkswagen Golf R Cd1 Door Lock Harness Cable Wire Front Right O/S 5H0837085

€23.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. 3AA919234

Volkswagen Passat B7 Aid Module Deactivation Warning Light Indicator 3AA919234

€23.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. 3A0972695

VW Volkwagen Audi Seat Skoda Cable Loom Wiring Connector Plug Socket 3A0972695

€23.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. 7E0919475T

Volkswagen Transporter T6 PDC Parking Assist Aid Control Module 7E0919475T

€94.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. 1Q2941006B-2

VW Volkswagen Eos 1F Front Headlight Cable Wire Loom Plug Right O/S 1Q2941006B

€23.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. 8X0951253A

VW Crafter SY Skoda Fabia Mk4 5 Pin Switch Relay 12V Number 655 8X0951253A

€23.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. 5K4971693BC

Volkswagen Golf Mk6 Door Wiring Loom Harness Connector Rear Left N/S 5K4971693BC

€32.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. 3C0907376A

Volkswagen VW Golf Scirocco Mk3 Electric Damping Control Module 3C0907376A

€23.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. 1K8971104F

Volkswagen Scirocco Mk3 Rear PDC Parking Sensor Wiring Harness Loom 1K8971104F

€37.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. 4H0937529

Volkswagen Passat B7 Golf Mk6 Relay Repair Plug Wiring Connector Loom 4H0937529

€23.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. 3AA959433E

VW Volkswagen Passat B7 Convenience Body Control Module Unit ECU 3AA959433E

€23.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. 1J6035111-1

VW Volkswagen Touareg 7L Golf Mk4 CD Changer Radio Unit 1J6035111

€23.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. 6Q0909606K

Volkswagen Polo Mk4 Skoda Fabia Seat Leon Mk1 Front Impact Sensor 6Q0909606K

€32.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. 7E0937090B

Volkswagen Transporter T6 BCM Body Control Module 433MHZ ECU 2.0 TDI 7E0937090B

€270.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. 7CA971691

VW Volkswagen Crafter Sy Sliding Door Wiring Harness Cable Left N/S 7CA971691

€23.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. 5N0035342E

VW Volkswagen Polo 6R Multimedia Electronic Control Interface Module 5N0035342E

€23.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. 5Q0959107M

Volkswagen Tiguan Mk2 Electric Boot Lid Tailgate Control Unit Module 5Q0959107M

€137.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. 5K0962131

Volkswagen Tiguan 5N Audi Q3 8U Keyless Antenna Amplifier Unit 5K0962131

€23.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. 3C8971693DM

VW Volkswagen Passat CC Rear Door Wiring Harness Cable Left N/S 3C8971693DM

€37.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. 1T0941329-1

VW Volkswagen Sharan 7N Headlight Cornering Ballast Module 1T0941329

€70.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. 03L907309R-1

Volkswagen Caddy Mk3 2.0 TDI CFHC 140HP Engine Control ECU 03L907309R Manual

€165.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. 5WA959436P

Volkswagen Golf CD1 Keyless Go Module ECU Entry Control Unit 5WA959436P

€32.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. 06A906032DR-1

Volkswagen Golf GTI Mk4 1.8 T AUM 150HP Engine Control Unit ECU Kit 06A906032DR

€142.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. 3C0907530H

Volkswagen Passat CC Gateway Module Control Unit 3C0907530H

€23.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. 2K5971557B

Volkswagen Caddy 2K Door Wiring Harness Cable Front Driver's Side 2K5971557B

€37.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. 2Q0915181A

Volkswagen Polo Mk6 GTI Negative Battery Terminal Cable Lead 2Q0915181A

€42.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. MB3T-14N143-MC

VW Amarok Mk2 Negative Earth Battery Wiring Loom Cable Connector MB3T-14N143-MC

€32.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. 06F906056HD

Volkswagen Eos 1F 2.0 FSI BVY 150HP Engine Control Unit ECU 06F906056HD Manual

€94.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. 1T0906216

Volkswagen Caddy 2C Engine Control Unit Support ECU Holder 1.6 TDI 1T0906216

€23.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. 4H0951253A-2

Seat Skoda Audi VW Polo 6R Multi Use Control Relay 4 Pin 645 4H0951253A SET X3

€23.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. 3G0919605D-1

Volkswagen Golf Mk7 Multimedia Radio Sat Nav Radio Display Screen 3G0919605D

€32.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. 03L907309K

VW Transporter T5 2.0 TDI CAAA 84HP Engine Unit Module ECU 03L907309K Manual

€184.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. 7C0971157K

VW Volkswagen Crafter Sy Starter Alternator Loom Harness Wire Cable 7C0971157K

€80.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. 4H0951253C-1

Volkswagen Polo 6R Tiguan 1T Multi Use Control Module Relay SET 4H0951253C

€23.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. 7L0959655

Volkswagen Touareg 7L Air Module Control Unit Crash Impact Sensor 7L0959655

€23.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. 7P0907652C

Volkswagen Touareg 7P ESP Yaw Rate Sensor Module Unit Control ECU 7P0907652C

€23.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. 3G9945208J-1

Volkswagen Passat B8 Tail Light Rear Lamp Outer Right O/S Wire Cable 3G9945208J

€23.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. 3A0972695A

VW Scirocco Mk3 OBD Diagnostic Connector Wiring Loom 16 Pin Plug 3A0972695A

€23.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. 5K7955559B

VW Volkswagen Caddy 2K Front Windscreen Rain Light Solar Sensor Unit 5K7955559B

€89.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. 5C6945096H-1

VW Volkswagen Jetta A6 Tail Light Wiring Cable Outer Rear Right O/S 5C6945096H

€23.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. 3G9945308D-1

Volkswagen Passat B8 Tail Light Rear Lamp Inner Right O/S Wire Cable 3G9945308D

€23.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. 8V0919813B

Volkswagen Golf Mk7 GTI Card Reader Toll DSRC Module 8V0919813B

€32.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. 5QF915459A

Volkswagen Tiguan Mk2 Rear Battery Potential Distributor 2.0 Diesel 5QF915459A

€108.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. 1K0971349AQ

Volkswagen VW Golf Mk6 Alternator Cable Wiring Harness Loom 1K0971349AQ

€23.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. 06J903023D

Audi Volkswagen Seat Skoda Petrol Alternator Generator 14V 140A 06J903023D

€56.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. 5G4971694K

Volkswagen Golf Mk7 Rear Door Wiring Loom Harness Cable Right O/S 5G4971694K

€23.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. 2K5971692

Volkswagen Caddy 2K Mk2 Sliding Door Wiring Loom Harness 2K5971692

€23.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. 2Q0915343A

Volkswagen Polo Mk6 AW Battery Holder Cover Surround Mount 2Q0915343A

€37.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. 3G5971104C

Volkswagen Passat B8 Rear Parking PDC Sensor Wiring Loom 3G5971104C

€28.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. LX6A-9D370-CB

VW Volkswagen Amarok Mk2 Fuel Injection Pump Control Unit Module LX6A-9D370-CB

€66.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. 2K5959655E

VW Volkswagen Caddy Maxi 2k Airbag Control Unit Module ECU 2.0 Diesel 2K5959655E

€189.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. 02M911024Q

Volkswagen Golf VI Passat B6 Tiguan Starter Motor Diesel Engine 02M911024Q

€23.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. 5G0907159D

VW Volkswagen Golf R 5g BA BQ Impact Sound Control Unit Module ECU 5G0907159D

€28.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. 2Q0937615A-1

Audi A1 GB VW Transporter T6 Fuse Relay Box Power Supply Unit 2Q0937615A

€23.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. 198393-01

Volkswagen Polo 6R Light Lamp Control Module Unit ECU 198393

€23.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. 2GA971694A

VW Volkswagen T-Roc Mk1 Rear Door Cable Harness Wiring Loom Right O/S 2GA971694A

€32.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. 03L906022HM

Volkswagen Tiguan 5N 4motion 2.0 TDI CBBB 170HP Engine Module ECU 03L906022HM

€137.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. 7P5941572A

Volkswagen Golf Mk7 5G Headlight Ballast Module Left Right N/O/S 7P5941572A

€61.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. 5Q0035570-1

Volkswagen Golf 5G Radio Antenna Noise Signal Disturbance Suppressor 5Q0035570

€23.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. DS7T-15603-AD

Ford Mustang GT Mk6 Door Keyless Entry Module Control Unit DS7T-15603-AD

€32.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. 1Q0971120AH

VW Eos 1F Front Door Wiring Loom Harness Cable Driver's Side O/S 1Q0971120AH

€28.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. 5M0941295A

Volkswagen Golf Mk6 Scirocco Mk3 Headlight Range Sensor Motor 5M0941295A

€32.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. 7L6971073F

VW Volkswagen Touareg 7L Front Frame Panel Wiring Harness Cable 7L6971073F

€32.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. 7LA971793B

Volkswagen Transporter T6 Battery Earth Cable Line 7LA971793B

€23.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. 2N0941329C

VW Volkswagen Crafter Mk2 SY Reduction Agent Metering System Unit 2N0941329C

€56.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. 1Q0971121B

Volkswagen Eos 1F Door Wiring Loom Harness Cable Passenger Side 1Q0971121B

€56.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. 7H0971692AH

VW Transporter T5 Rear Sliding Side Door Wiring Loom Harness Cable 7H0971692AH

€23.95

Free delivery: Sep 14 – 15

If paid before 14:00

...

Showing 595-693 of 1443 products