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

VW Volkswagen Touareg 7L Aerial Antenna Amplifier Control Unit Module 7L6035530B

€23.95

Free delivery: Jul 29 – Aug 3

If paid before 14:00

Part no. 6C0907159A

Volkswagen Polo Impact Sound Control Module Unit 6C0907159A

€61.95

Free delivery: Jul 29 – Aug 3

If paid before 14:00

Part no. 03L907309N-2

Volkswagen Passat B7 Engine Control Unit ECU 140HP CFFB 2.0 TDi 03L907309N SET

€180.95

Free delivery: Jul 29 – Aug 3

If paid before 14:00

Part no. 06K907425C-2

VW Scirocco Mk3 2.0 TFSI CULA 220HP Engine ECU Kit BCM + Key 06K907425C Manual

€332.95

Free delivery: Jul 29 – Aug 3

If paid before 14:00

Part no. 1K0955559M

Volkswagen VW Golf Mk5 Rain Sensor Windscreen Control Unit Module 1K0955559M

€23.95

Free delivery: Jul 29 – Aug 3

If paid before 14:00

Part no. 1K0955559AB

Volkswagen Golf Mk5 Rain Sensor Front Windscreen Control Unit Module 1K0955559AB

€23.95

Free delivery: Jul 29 – Aug 3

If paid before 14:00

Part no. 7LA937550A

VW Transporter T6 Fusebox Module Power Distribution Control Module 7LA937550A

€23.95

Free delivery: Jul 29 – Aug 3

If paid before 14:00

Part no. 1K0971250AM

Volkswagen VW Scirocco Mk3 Negative Battery Terminal Cable Wiring 1K0971250AM

€23.95

Free delivery: Jul 29 – Aug 3

If paid before 14:00

Part no. 0AD927755L

Volkswagen Touareg 7L Transfer Box Control Unit Module ECU Automatic 0AD927755L

€23.95

Free delivery: Jul 29 – Aug 3

If paid before 14:00

Part no. 3AA907273B

Volkswagen Passat B7 Tyre Pressure Control Module TPMS 3AA907273B

€184.95

Free delivery: Jul 29 – Aug 3

If paid before 14:00

Part no. 06J903023G

VW Volkswagen Polo GTI 6R Golf Mk7 Alternator Generator 14V 140A 6J903023G

€42.95

Free delivery: Jul 29 – Aug 3

If paid before 14:00

Part no. 5NA971693K

Volkswagen Tiguan Mk2 Door Wiring Loom Harness Rear Left N/S 5NA971693K

€51.95

Free delivery: Jul 29 – Aug 3

If paid before 14:00

Part no. 1Q0971121P

Volkswagen Eos 1F Front Door Wiring Loom Harness Cable Passenger Side 1Q0971121P

€23.95

Free delivery: Jul 29 – Aug 3

If paid before 14:00

Part no. 02M911023M

Volkswagen VW Golf Mk5 1.6 2.0 GTI Petrol Engine Starter Motor 02M911023M

€23.95

Free delivery: Jul 29 – Aug 3

If paid before 14:00

Part no. 1K0971230KE

Volkswagen VW Caddy 2K Alternator Wiring Loom Harness 1.9 TDI 1K0971230KE

€23.95

Free delivery: Jul 29 – Aug 3

If paid before 14:00

Part no. 2Q0959655AN

Volkswagen Transporter T6 Air Module Sensor Control Unit ECU 2Q0959655AN

€379.95

Free delivery: Jul 29 – Aug 3

If paid before 14:00

Part no. 5G0945096Q-1

Volkswagen Golf 5G Rear Tail Light Wire Plug Socket Cable Right O/S 5G0945096Q

€23.95

Free delivery: Jul 29 – Aug 3

If paid before 14:00

Part no. 7L0907719

Volkswagen Touareg 7L Anti Theft Alarm System Control Module Unit ECU 7L0907719

€23.95

Free delivery: Jul 29 – Aug 3

If paid before 14:00

Part no. 5C0959655F

Volkswagen Jetta Mk6 A6 Air Module Control Unit ECU 5C0959655F

€80.95

Free delivery: Jul 29 – Aug 3

If paid before 14:00

Part no. 5C6945095H-1

Volkswagen Jetta A6 Rear Left N/S Tail Light Plug Cable 5C6945095H 4D0972704

€23.95

Free delivery: Jul 29 – Aug 3

If paid before 14:00

Part no. 3D0937576

VW Volkswagen Phaeton 3D Main Fuse Socket Electrical Control Unit 3D0937576

€23.95

Free delivery: Jul 29 – Aug 3

If paid before 14:00

Part no. 6Q0909605AJ

VW Volkswagen Caddy 2K Air Module Control Unit Sensor ECU 6Q0909605AJ

€208.95

Free delivery: Jul 29 – Aug 3

If paid before 14:00

Part no. 5CU971104

VW Volkswagen Jetta A6 Mk6 Rear Bumper PDC Sensors Wiring Loom Harness 5CU971104

€132.95

Free delivery: Jul 29 – Aug 3

If paid before 14:00

Part no. 7E0971158A

Volkswagen Transporter T6 Positive Plus Battery Cable 7E0971158A

€23.95

Free delivery: Jul 29 – Aug 3

If paid before 14:00

Part no. 5WA906121

VW Volkswagen Golf Mk8 GTI CD1 4 Motion Fuel Pump Control Unit Module 5WA906121

€66.95

Free delivery: Jul 29 – Aug 3

If paid before 14:00

Part no. 03G906021AQ

Volkswagen Caddy 2K 1.9 TDI BLS 105HP Engine Control Unit ECU 03G906021AQ Manual

€70.95

Free delivery: Jul 29 – Aug 3

If paid before 14:00

Part no. 5Q0907556C

Volkswagen Tiguan Mk2 Arteon 360° Camera Control Unit Module 5Q0907556C

€294.95

Free delivery: Jul 29 – Aug 3

If paid before 14:00

Part no. 5NA980611A

Volkswagen Golf 8 CD1 Wireless Phone Charging Center Console Module 5NA980611A

€37.95

Free delivery: Jul 29 – Aug 3

If paid before 14:00

Part no. 2K0971121AK

Volkswagen Caddy Mk2 Front Door Wiring Harness Cable Passenger Side 2K0971121AK

€66.95

Free delivery: Jul 29 – Aug 3

If paid before 14:00

Part no. 5G0035820A

Volkswagen Golf Mk7 Infotainment Multimedia Head Unit 5G0035820A

€51.95

Free delivery: Jul 29 – Aug 3

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: Jul 29 – Aug 3

If paid before 14:00

Part no. 7N0959792J

VW Volkswagen Sharan 7N Passenger's Side Door ECU Module Control Unit 7N0959792F

€32.95

Free delivery: Jul 29 – Aug 3

If paid before 14:00

Part no. 02Z911024L

VW Volkswagen Golf Mk7 1.6 TDI CLHA Diesel Engine Starter Motor 02Z911024L

€23.95

Free delivery: Jul 29 – Aug 3

If paid before 14:00

Part no. 2K0971557F

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

€32.95

Free delivery: Jul 29 – Aug 3

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: Jul 29 – Aug 3

If paid before 14:00

Part no. 5N0035341B

Volkswagen Golf 5 Multimedia Interface Module Box 5N0035341B

€23.95

Free delivery: Jul 29 – Aug 3

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: Jul 29 – Aug 3

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: Jul 29 – Aug 3

If paid before 14:00

Part no. 3D0919473

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

€23.95

Free delivery: Jul 29 – Aug 3

If paid before 14:00

Part no. 5R3919294

Volkswagen Golf CD1 Park Parking Assist PDC Distance Control Module 5R3919294

€37.95

Free delivery: Jul 29 – Aug 3

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: Jul 29 – Aug 3

If paid before 14:00

Part no. 1K0035198C-1

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

€61.95

Free delivery: Jul 29 – Aug 3

If paid before 14:00

Part no. 2GA907159

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

€89.95

Free delivery: Jul 29 – Aug 3

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: Jul 29 – Aug 3

If paid before 14:00

Part no. 03G971826A

VW Golf Mk5 Engine Wiring Loom Cable Harness Injector Module Diesel 03G971826A

€23.95

Free delivery: Jul 29 – Aug 3

If paid before 14:00

Part no. 07Z911023BX

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

€142.95

Free delivery: Jul 29 – Aug 3

If paid before 14:00

Part no. 1K8907159

Volkswagen Scirocco III Mk3 Impact Sound Control Module Unit 1K8907159

€23.95

Free delivery: Jul 29 – Aug 3

If paid before 14:00

Part no. 5N0035342E-1

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

€23.95

Free delivery: Jul 29 – Aug 3

If paid before 14:00

Part no. 5WA962132

Volkswagen Golf Mk8 Antenna Amplifier Transmitter Receiver Module ECU 5WA962132

€23.95

Free delivery: Jul 29 – Aug 3

If paid before 14:00

Part no. 000054639

Volkswagen Golf Mk6 Passat B6 Parking Assist Module Sensor Unit 000054639

€32.95

Free delivery: Jul 29 – Aug 3

If paid before 14:00

Part no. 1C0909605A

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

€23.95

Free delivery: Jul 29 – Aug 3

If paid before 14:00

Part no. 5Q0937086AH

Skoda Octavia Mk3 5E Body Control Comfort Unit Module BCM Unit 5Q0937086AH

€23.95

Free delivery: Jul 29 – Aug 3

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: Jul 29 – Aug 3

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: Jul 29 – Aug 3

If paid before 14:00

Part no. 7H0937550A

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

€23.95

Free delivery: Jul 29 – Aug 3

If paid before 14:00

Part no. 7E0937617-1

Volkswagen Transporter T5 Fuse Box Control Module Unit 7E0937617

€23.95

Free delivery: Jul 29 – Aug 3

If paid before 14:00

Part no. 7P0959655D

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

€28.95

Free delivery: Jul 29 – Aug 3

If paid before 14:00

Part no. 1K0971615BL

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

€23.95

Free delivery: Jul 29 – Aug 3

If paid before 14:00

Part no. 1K0971250AE

Volkswagen Scirocco Mk3 Negative Battery Terminal Cable Wiring 1K0971250AE

€23.95

Free delivery: Jul 29 – Aug 3

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: Jul 29 – Aug 3

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: Jul 29 – Aug 3

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: Jul 29 – Aug 3

If paid before 14:00

Part no. 7L0941824B

Volkswagen Touareg 7L Fuse Box Module Electrical Relay Control Unit 7L0941824B

€23.95

Free delivery: Jul 29 – Aug 3

If paid before 14:00

Part no. 04L907309G-3

Volkswagen New Beetle 2.0 TDI CUUA 110HP Engine Unit ECU Kit 04L907309G Manual

€189.95

Free delivery: Jul 29 – Aug 3

If paid before 14:00

Part no. 3AA919234

Volkswagen Passat B7 Aid Module Deactivation Warning Light Indicator 3AA919234

€23.95

Free delivery: Jul 29 – Aug 3

If paid before 14:00

Part no. 1K0955559AH-1

Volkswagen Golf Mk5 Rain Sensor Front Windscreen Control Unit Module 1K0955559AH

€23.95

Free delivery: Jul 29 – Aug 3

If paid before 14:00

Part no. 7E0919475T

Volkswagen Transporter T6 PDC Parking Assist Aid Control Module 7E0919475T

€94.95

Free delivery: Jul 29 – Aug 3

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: Jul 29 – Aug 3

If paid before 14:00

Part no. 7L0959655A

VW Volkswagen Touareg 7L Air Module Control Unit Crash Impact Sensor 7L0959655A

€23.95

Free delivery: Jul 29 – Aug 3

If paid before 14:00

Part no. 5M0035724

Volkswagen VW Golf Mk6 1K Aux Socket Port Switch 5M0035724

€23.95

Free delivery: Jul 29 – Aug 3

If paid before 14:00

Part no. 3C0907376A

Volkswagen VW Golf Scirocco Mk3 Electric Damping Control Module 3C0907376A

€23.95

Free delivery: Jul 29 – Aug 3

If paid before 14:00

Part no. 3D0035465

VW Volkswagen Phaeton Mk1 Mulitmedia Audio Sound System Amplifier Unit 3D0035465

€23.95

Free delivery: Jul 29 – Aug 3

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: Jul 29 – Aug 3

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: Jul 29 – Aug 3

If paid before 14:00

Part no. 1K8971104F

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

€37.95

Free delivery: Jul 29 – Aug 3

If paid before 14:00

Part no. 5WA937125A

Volkswagen Golf Mk8 Audi S3 8Y Skoda Octavia MK4 VRS Fuse Relay Box 5WA937125A

€89.95

Free delivery: Jul 29 – Aug 3

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: Jul 29 – Aug 3

If paid before 14:00

Part no. 06F903023HX

Volkswagen Golf Mk5 2.0 TFSI Petrol Alternator Generator 06F903023HX

€32.95

Free delivery: Jul 29 – Aug 3

If paid before 14:00

Part no. 5N0035342E

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

€23.95

Free delivery: Jul 29 – Aug 3

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: Jul 29 – Aug 3

If paid before 14:00

Part no. 4H0937529

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

€23.95

Free delivery: Jul 29 – Aug 3

If paid before 14:00

Part no. 5K4971694BC

VW Volkswagen Golf Gti 5k Door Wiring Loom Connector Rear Right O/S 5K4971694BC

€23.95

Free delivery: Jul 29 – Aug 3

If paid before 14:00

Part no. 5N0035552K

VW Tiguan 5N Antenna Amplifier Module Control Right O/S Unit 5N0035552K

€23.95

Free delivery: Jul 29 – Aug 3

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: Jul 29 – Aug 3

If paid before 14:00

Part no. 3C0907530H

Volkswagen Passat CC Gateway Module Control Unit 3C0907530H

€23.95

Free delivery: Jul 29 – Aug 3

If paid before 14:00

Part no. 1K0953549CT

VW Volkswagen Caddy Maxi 2k Steering Column Combi Switch Module ECU 1K0953549CT

€23.95

Free delivery: Jul 29 – Aug 3

If paid before 14:00

Part no. 5Q0955559C

Volkswagen Golf 8 Rain Sensor Front Windscreen 5Q0955559C

€23.95

Free delivery: Jul 29 – Aug 3

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: Jul 29 – Aug 3

If paid before 14:00

Part no. 0AM911023J

Volkswagen Golf Mk7 VII Engine Starter Motor Assembly Unit 0AM911023J

€28.95

Free delivery: Jul 29 – Aug 3

If paid before 14:00

Part no. 2E0971130BF

VW Crafter I Mercedes Sprinter W906 Positive Battery Cable Loom 9065400100

€23.95

Free delivery: Jul 29 – Aug 3

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: Jul 29 – Aug 3

If paid before 14:00

Part no. 7C0971157K

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

€80.95

Free delivery: Jul 29 – Aug 3

If paid before 14:00

Part no. 1K0971250AN

Audi A3 8P Volkswagen Caddy MK3 Earth Ground Cable Battery Wiring 1K0971250AN

€23.95

Free delivery: Jul 29 – Aug 3

If paid before 14:00

Part no. 5K0959655

Volkswagen VW Golf Mk6 5K Air Module Control Unit ECU 5K0959655

€23.95

Free delivery: Jul 29 – Aug 3

If paid before 14:00

Part no. 7P0907652C

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

€23.95

Free delivery: Jul 29 – Aug 3

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: Jul 29 – Aug 3

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: Jul 29 – Aug 3

If paid before 14:00

Part no. 3A0972695

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

€23.95

Free delivery: Jul 29 – Aug 3

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: Jul 29 – Aug 3

If paid before 14:00

...

Showing 496-594 of 1268 products