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

BMW E84 E90 Infotainment Media System Unit 9" Screen GPS Android CarPlay

€165.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. CK52-19C166-AA

Range Rover Vogue L405 Rear Screen Socket USB Output Port Panel CK52-19C166-AA

€66.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. 3C4971294NL

Volkswagen Passat B6 Control Module Wiring Harness 3C4971694NL

€37.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. 3W83-9D372-AB

Range Rover Velar L560 Fuel Pump Module Unit ECU 2.0 Diesel 3W83-9D372-AB

€42.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. 9468428

BMW G20 G30 Cell Monitoring Circuit Cell Supervision Module ECU Control 9468428

€85.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. A2465407811

Mercedes A45 AMG W176 Door Wiring Loom Harness Wire Rear Left N/S A2465407811

€108.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. A2035407308

Mercedes-Benz C-Class W203 Rear Left Right Door Wiring Loom Harness A2035407308

€23.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. 8T0971035AR

Audi A5 S5 RS5 8T Door Card Wiring Loom Harness Wire Driver's Side 8T0971035AR

€23.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. 8K9945094-2

Audi A4 B8 Avant Tail Light Rear Right O/S Lamp Tailgate Harness Wire 8K9945094

€23.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. 5Q0907651A

Audi RSQ3 F3 VW Tiguan AD Touran 5T Rear Impact Crash Sensor Left N/S 5Q0907651A

€23.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. 7L6035577A

VW Volkswagen Touareg 7L Antenna Aerial Amplifier Control Unit Module 7L6035577A

€23.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. 057911023EX-1

Audi Q7 4L Engine Starter Motor Actuator Starter 057911023EX

€70.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. M8A2-19J249-BF

Range Rover Evoque L551 Camera Control Module Unit ECU M8A2-19J249-BF

€208.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. A0005456616

Mercedes W212 Automatic Gearbox EGS Control Module Unit ECU A0005456616

€32.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. 6977982-3

Mini Cooper R50 R53 R56 R57 R60 Relay No Contact Taubenblau Blue Set 4X 6977982

€23.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. 5R3941329C

Volkswagen Caddy SB AdBlue Module Control Relay 2.0 TDI 5R3941329C

€61.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. 99161802502

Porsche Boxster 982 718 Cayman Fuel Pump Control Module ECU 99161802502

€42.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. A1645401908

Mercedes ML W164 Rear Left Door N/S Ribbon Electrical Cable Wiring

€23.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. AV6T-19A657-ACC

Ford C-Max Mk2 A/C Air Conditioning Wiring Loom Harnecc Cable AV6T-19A657-ACC

€28.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. 2415557

Ford Fiesta Mk8 Battery Earth Cable 1.0 Petrol Ecoboost H1BT-14324-CE

€23.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. 6946337

BMW E60 E61 E63 E64 Bluetooth Telematics Control Unit Module 6946337

€89.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. 2522569

Ford Puma Fiesta Mk8 Alternator Generator 130A 14V Petrol M1BT-10300-AAA

€85.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. 90589541

Vauxhall Opel Astra G Fuse Box Covering Trim Panel Lid Housing 90589541

€23.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. 4E0915181C

Audi A8 4E S8 D3 Battery Voltage Control Module 4E0910181C 4E0915181C

€37.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. XRA500031

Land Rover Discovery 3 L319 Traffic Master Control Unit Module XRA500031

€23.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. 9224866

BMW 1 3 4 Series F20 F21 F30 F31 F32 Power Distribution Fuse Box Front 9224879

€23.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. A2518204426

Mercedes V251 W164 Front Lamp Headlight Control Module Unit HELLA A2518204426

€28.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. 7557395-1

Mini Cooper S R52 R53 W11 170HP Engine ECU Kit DME 7557395 EWS Key Manual

€132.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. 8W5945075A-1

Audi A4 B9 Tail Light Rear Lamp Tailgate Connector Wire Plug Left N/S 8W5945075A

€23.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. 9341325

BMW F33 Automatic A/C Air Conditioning Module Control Unit ECU 9341325

€42.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. 9227560

BMW F10 F11 LCI Dashboard Central Information Display Screen 7" 9227560

€42.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. 03E906019AE-1

Skoda Fabia Mk2 5J 1.2 MPI CGPA 70HP Engine Control Unit ECU 03E906019AE Manual

€56.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. 9389070-1

BMW F36 Fuse Box Control REM Electric Power Distribution 9389070

€23.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. 7539787

BMW Mini Cooper R55 R56 R57 R58 Negative Battery Cable 7539787

€23.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. GX73-12C520-FAF-1

Range Rover Evoque L538 2.0 204DT 180HP 4x4 Engine ECU GX73-12C520-FAF Manual

€89.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. R8D2-14N030-AB

Range Rover Evoque L551 Fusebox Fuse Relay Box Unit R8D2-14N030-AB

€32.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. A0009063000-1

Alternator Generator Mercedes W204 W212 M271 Engine Valeo 150A 14V A0009063000

€99.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. 4F1971095C

Audi A6 C6 Front Bumper PDC Parking Aid Wiring Harness Cable 4F1971095C

€42.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. 5J2941017D-2

Skoda Fabia Mk3 Headlight Headlamp Wiring Harness Cable Plug Left N/S 5J2941017D

€23.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. 8M5T-15K857-BJA

Ford Focus Mk2 Centre Console Wiring Loom Harness Cable 8M5T-15K857-BJA

€23.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. F1FT-10C679-CB

Ford Transit Connect Mk2 Battery Negative Earth Lead Cable F1FT-10C679-CB

€23.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. 9241330

BMW X1 E84 USB AUX-IN Socket Plug Input Connector Media Port 9241330

€28.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. 1Q0955557

Volkswagen VW Polo 6R Air Module Control Unit Crash Impact Sensor 1Q0955557

€23.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. 3A0972595A

Porsche Cayenne S 92a Harness Wire Connector Plug Loom 3A0972595A

€23.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. 9477152-2

Mini Countryman F60 Rear Tail Light Lamp Wiring Plug Socket Right O/S 9477152

€23.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. 5Q0971230AQ

Seat Leon 5F VW Golf Mk7 Alternator Wiring Harness Loom Cable 5Q0971230AQ

€23.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. 6Y0959121

Skoda Fabia Rs 6y Anti Theft Ultrasound Alarm Sensor Module 6Y0959121

€23.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. A1645453047

Mercedes ML W164 Trunk Tailgate Foam Control Unit Module Bracket A1645453047

€23.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. 6C0907159B

Volkswagen Polo 6C Body Sound Impact Control Module ECU 6C0907159B

€23.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. 7571142-2

Mini Cooper R55 R56 R57 Battery Cable Wiring Lead Power Positive 7571142

€23.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. A2074402805

Mercedes W207 Head Unit Navigation Media Cable Wiring Harness A2074402805

€32.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. 8V0857273M

Audi A3 S3 RS3 8V Navigation Multimedia Screen Display 8V0857273M

€42.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. 9257104

BMW F01 F01N F02 F02N F04 F07 Seat Control Module Rear Left Right N/O/S 9257104

€75.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. 4G2972871D

Audi A6 C8 Power Steering Rack Sensor Control Unit Cable Wiring 4G2972871D

€23.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. LR070822

Land Rover Discovery Sport L550 Alternator Wiring Harness Adapter G4D3-9137-DB

€23.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. 06K907425N-1

Skoda Octavia Mk4 2.0TFSI DNPA 245HP Engine Control ECU Kit 06K907425N Automatic

€398.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. 8512415-12

Mini Cooper SD R60 ALL4 N47N 143HP Engine Control Unit ECU DDE 8512415 Automatic

€66.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. A2055401510

Mercedes C Class W205 Door Wiring Loom Harness Rear Right O/S A2055401510

€89.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. XTE3971C

BMW E39 X5 E53 Carplay Head Unit Car Radio Stereo XTE3971C

€113.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. 240720782R

Renault Trafic III VIvaro B Wiring Connector Additional Horn Cable 240720782R

€23.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. A2721533291-1

Mercedes C219 Engine Control ECU Module 272 HP CLS 350 Automatic A2721533291 KIT

€569.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. BK3V-14517-CE

Ford Transit Mk8 Fuse Relay Box Control Unit Module BK3V14517CE

€66.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. 7P5971537E

Porsche Cayenne S 92A Negative Battery Earth Cable 7P5971537E

€32.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. AB39-19H464-AB

Ford Ranger Mk6 Aerial Antenna Control Unit Module AB39-19H464-AB

€23.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. DV6T-15K867-EE

Ford Transit Tourneo Connect Front PDC Parking Sensor Wiring Loom DV6T-15K867-EE

€51.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. 8J0971589H

Audi S3 A3 8P TT 8J R8 42 Steering Wheel Air Wiring Loom Harness 8J0971589H

€137.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. BJ32-14632-CC

Range Rover Evoque L538 Door Wiring Harness Rear Left N/O/S BJ32-14632-CC

€85.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. BJ32-14F026-AH

Land Rover Range Rover Evoque L538 Surround Camera ECU Control BJ32-14F026-AH

€474.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. 3Q1959435C

Seat Ibiza KJ1 Keyless Go Control Unit Module ECU 3Q1959435C

€142.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. UM466696X

Ford Ranger Mk4 Front Door Loudspeaker Speaker Right O/S UM466696X

€23.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. 7P0907311-1

Volkswagen Touareg 7P 3.0 TDI CASD 204HP Engine Unit ECU Set 7P0907311 Automatic

€693.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. BJ32-19H440-AG

Range Rover Evoque L538 Keyless Entry Control Module Unit ECU BJ32-19H440-AG

€23.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. A0009050254

Mercedes W212 Negative Battery Cable Terminal Wiring A0009050254

€23.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. 2G0959578B

Volkswagen Polo Mk6 Door Wing Mirror Adjustment Motor Left N/S 2G0959578B

€23.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. 04L907309K-1

Audi Q3 8U 2.0 TDI Quattro Engine ECU Kit 04L907309K Ignition + Key

€142.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. 9338153

Mini F54 F60 Clubman Countryman Antenna Aerial Amplifier AM / FM Unit 9338153

€23.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. 420959655

Audi R8 42 Air Module Sensor Control Unit ECU 420959655

€89.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. 4H0909131

Audi A8L 4H Ignition Keyless Entry Reader Coil Module 4H0909131

€23.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. FK72-13405-AF-2

Land Rover Discovery L550 Rear Lamp Tillight Plug Cable Left N/S FK72-13405-AF

€23.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. A2465405833

Mercedes W176 W246 Starter Cable Loom Wiring 160 180 CDI Diesel A2465405833

€23.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. 7642153

BMW Mini Cooper One F55 F56 F57 Wiring Loom Cable Guide Holder 7642153

€23.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. 8W5945076A-1

Audi A4 B9 Rear Tail Light Lamp Connector Plug Wire Outer Right O/S 8W5945076A

€23.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. 5Q0937084CQ

Seat Leon Cupra Mk3 VW Golf Mk7 Crafter MK2 BCM Body Control Module 5Q0937084CQ

€89.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. A2135402870

Ground Cable Mercedes C238 Fuse Box Wire Prefuse Box Wiring A2135402870

€32.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. C1BT-14B560-BCE

Ford Fiesta Mk7 Centre Console Wiring Loom Harness Cable C1BT-14B560-BCE

€23.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. DK52-14687-FD

Range Rover L405 Rear Door Ambient Light Wiring Harness Left N/S DK52-14687-FD

€42.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. DPLA-10E889-BH

Range Rover L405 Multimedia Sat Nav Display Screen Dashboard DPLA-10E889-BH

€327.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. 9811951

Mini Countryman R60 Paceman R61 Positive Battery Cable Wire Harness 9811951

€37.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. 8K0971100B

Audi A4 B8 Roof Interior Light Wiring Harness Cable Loom 8K0971100B

€23.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. N9D3-14D618-AA

Range Rover Velar L560 Driver's Door Control Unit Module ECU N9D3-14D618-AA

€42.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. M8D2-12C525-AC

Range Rover Evoque L551 Engine Control Unit ECU Bracket Cooler M8D2-12C525-AC

€23.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. A2055401604

Mercedes W205 Battery Cable Wiring Harness Loom Petrol Hybrid A2055401604

€23.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. EM5T-18B955-BA

Ford Transit Connect Dashboard Multi Function Display Screen EM5T-18B955-BA

€37.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. 6R8T-14A094-AA

Ford Transit Mk8 Battery Fuse Box Fusebox 400 AMP MEGA Fuse AJ126 6R8T-14A094-AA

€28.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. 8W6971036G

Audi A4 B9 A5 F5 Front Door Wiring Harness Cable Passenger Side 8W6971036D

€42.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. 5R3907361

Volkswagen Caddy SB Fuse Relay Box Housing 2.0 TDI 5R3907361

€208.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. MX63-7C078-AC

Range Rover Velar L560 Automatic Transmission Wiring Harness Cable MX63-7C078-AC

€23.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. 8K0959663H

Porsche Macan 95B Start Stop Voltage Stabilizer Converter Module 8K0959663H

€37.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. 6921982

BMW 7 Series E65 E66 E67 Control Unit Door Rear Driver Side

€23.95

Free delivery: Sep 14 – 15

If paid before 14:00

...

Showing 5347-5445 of 20613 products