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

Seat Ibiza 6J Battery Wiring Cable Loom Harness 6R0971227

€37.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. 7649090-1

Mini F54 F55 F56 F57 F60 Petrol Engine Starter Motor 7649090

€23.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. DV4T-15K866-BJ

Ford Kuga Mk2 C520 Parking Assist PDC Control Unit Module DV4T-15K866-BJ

€37.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. 2Q0937550B

Volkswagen Polo Gti AW1 Fusebox Power Distribution 2.0 TFSI Petrol 2Q0937550B

€23.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. 4E0907553H

Audi A8 D3 Air Suspension Control Unit Module 4E0907553H

€47.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. 9289385

BMW F10 F34 GT Telematics Module Bluetooth Telematik Control Unit 9289385

€23.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. 1K8971148J

Volkswagen Scirocco Mk3 Tailgate Window Washer Wiring Harness Cable 1K8971148J

€47.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. A2719060200

Mercedes W204 W211 W212 S212 Engine Starter Motor A2719060200

€28.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. A2479000910

Mercedes W177 W247 All Wheel Drive Control Unit Module ECU SG MFA2 A2479000910

€23.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. 2K6941005B-2

VW Volkswagen Caddy 2K Headlight Headlamp Wiring Front Left N/S 2K6941005B

€23.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. 2Q0907685E

VW Golf Gti CD1 Blind Spot Lane Change Control Module Rear Left N/S 2Q0907685E

€104.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. 9233009

BMW F33 F83 M4 Convertible DWA-Alarm System Module Unit ECU 9233009

€23.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. 8689723-3

BMW F20 M140i B58 340 HP ECU DDE Key Kit Petrol 8689723 6843898 Automatic

€560.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. A2054406537

Mercedes C-class S205 Seat Wiring Harness Loom Wire Front Right O/S A2054406537

€51.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. 1Q0951172A

Volkswagen Eos Alarm Sensor Control Module Unit 1Q0951172A

€23.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. 9316568

BMW X5 F15 X6 F16 Front Fuse Box Relay Module Control Unit 9316568

€23.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. 6932452

BMW 5 6 Series E60 E61 E63 E64 Power Distribution Electrical Fuse Box 6932452

€23.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. 57A971694R

Skoda Karoq Rear Door Wiring Harness Loom Cable Right O/S 57A971694R

€23.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. J9C3-14B006-AA

Land Range Rover Velar L560 Impact Crash Sensor Front Right O/S J9C3-14B006-AA

€23.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. 9234424

BMW F10 F11 Fuse Box Power Distribution Control Unit Box Rear 9234424

€23.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. HK83-14A390-AAA

Range Rover Velar L560 Jaguar F-Pace X761 Fuse Box Cover Lid HK83-14A390-AAA

€23.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. A1725402513

Mercedes SLK R172 Rear Window Heating Cable Loom Heat Wiring Harness A1725402513

€56.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. M8D2-15B484-BB

Range Rover Evoque L551 Rear Parking Sensor Wiring Harness Loom M8D2-15B484-BB

€89.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. 9325884

BMW F36 Door Cable Front Driver's Door Wiring Loom Harness 9325884

€23.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. J8A2-14D375-CA

Land Range Rover Velar L560 Interior Wiring Lamp LED Light J8A2-14D375-CA

€23.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. 7835892

BMW 5 6 Series E60 E61N M5 E63 M6 Cable Starter Base B+ Engine Battery 7835892

€23.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. 7H0945096J-2

Volkswagen Transporter T5 Rear Lamp Tail Light Wiring Cable Right O/S 7H0945096J

€23.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. 52236707

Vauxhall Movano C Fuse Box Module Unit 2.2 Diesel B22LUE 52236707

€189.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. A9065450024

Volkswagen Crafter AdBlue Metering Control Unit ECU 2.0 TDI Diesel A9065450024

€23.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. 7571510-5

BMW Z4 E85 Roadster 2.5i N52 177HP Engine Control Unit ECU DME 7571510 Manual

€284.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. 4H0951253A

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

€23.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. 03L911024A

Audi A4 B8 A5 8T 2.0 TDI Diesel Engine Starter Motor Assembly Unit 03L911024A

€56.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. AV6N-14C237-BB

Ford Focus C-Max Mk2 Door Control Unit Module Front Left N/S AV6N-14C237-BB

€23.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. 6Q0971120C

Volkswagen Polo Mk4 5Dr Front Door Wiring Harness Cable Driver's Side 6Q0971120C

€42.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. EJ32-14F681-AF

Range Rover Evoque L538 Gateway Module Control Unit ECU EJ32-14F681-AF

€32.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. 9341000

BMW F21 LCI Door Wiring Cables Harness Loom Front 9341000

€28.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. A2465406909

Mercedes C117 X156 W176 Door Wiring Harness Rear Left Right N/O/S A2465406909

€32.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. XFB000563-2

Land Rover Discovery 4 L319 Rear Taillight Lamp Wiring Cable Right O/S XFB000563

€23.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. 8K0907440

Audi Q7 4L GPS Tracking Location Control Unit Module Locator 8K0907440

€23.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. 5A47298

BMW F74 Gran Coupé Power Distribution Box LIN Module 5A47298

€37.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. CV4T-14D210-AA

Ford Kuga Mk1 C394 Electronic Module Mount Holder Bracket Support CV4T-14D210-AA

€23.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. 6M2T-19980-FC

Ford Galaxy Mk2 Heater Fan Control Module Unit 6M2T-19980-FC

€23.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. A2139005213

Mercedes W213 Door Control ECU Module Front Left N/S A2139005213

€23.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. N8B2-14C239-BA

Range Rover Evoque Sport Defender L949 Heater Control Module N8B2-14C239-BA

€28.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. DPLA-14F681-AG

Range Rover L405 Parking Disctance Control Aid Module Unit ECU DPLA-14F681-AG

€23.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. 6913729

BMW X5 Series E53 Rear Left Right Door N/O/S Wiring Cables Harness Loom 6913729

€23.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. A2055456240

Mercedes C205 Rear Control Unit Module Bracket Mount Holder Support A2055456240

€23.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. A1665450403

Mercedes W166 Junction Fuse Box Cover Housing Positive Terminal A1665450403

€28.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. 1K0971349CB

Volkswagen Golf Mk6 Audi A3 8P Alternator Wiring Harness 2.0 TDI 1K0971349CB

€94.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. 8K2971111B

Audi A4 S4 8K A5 S5 8T Electric Power Steering Wiring Loom Harness 8K2971111B

€37.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. 7L6971693P

Volkswagen Touareg 7L Rear Door Wiring Loom Harness Cables 7L6971693P

€23.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. A2078202910

Seat Control Module Mercedes A207 W207 Cabrio Rear Control Unit ECU A2078202910

€28.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. A1725400340

Mercedes R172 Battery Holder Mount Bracket Support A1725400340

€23.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. 8T8971030AP

Audi A5 8T Front Door Wiring Harness Loom Cable Passenger's Side 8T8971030AP

€23.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. 7PP035504A

Porsche Cayenne 92A Nav GPS Antenna Amplifier 7PP035504A

€23.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. 46867943

Vauxhall Movano C Additional Fuse Box Module Unit 2.2 Diesel B22LUE 46867943

€56.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. 914014H161

Hyundai H-1 Fuse Box Front Relay Engine Control Unit Module ECU 91401-4H161

€28.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. 8600124-4

Mini R56 LCI R60 N16 98HP Petrol Engine Control Unit ECU DME 8600124 CAS3 Key

€237.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. 4H0971035AD

Audi A8 D4 Front Door Wiring Loom Harness Cable Driver's Side 4H0971035AD

€28.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. 3G0919866H

Volkswagen Tiguan 5N Media Navigation Sat Nav SD Card Europa V3 3G0919866H

€66.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. 4H0951253C

Seat Skoda Audi VW Polo 6R Multi Use Control Module Relay 4 Pin 646 4H0951253C

€23.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. 3D0972072AG

VW Phaeton 3D Electrical Steering Column Wiring Harness Loom Cable 3D0972072AG

€56.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. JU5T-15604-BJH

Ford Fiesta St Mk8 Body Control Module BCM Fuse Box Control Unit JU5T-15604-BJH

€75.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. EXHAUST-FLAP-CONTROL

Audi A3 8V 1.6 TDI CLHA Drive Exhaust Flap Control Module Unit Actuator

€28.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. NB5T-14G087-HD

Ford Transit Custom Mk8 Bluetooth Module Unit Control ECU NB5T-14G087-HD

€94.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. LK72-14B750-AA

Land Rover Discovery Sport L550 Front Impact Crash Sensor Unit LK72-14B750-AA

€37.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. 2GA947201

VW Volkswagen T-ROC A11 Front Door Handle LED Light Cable Left N/S 2GA947201

€23.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. 8K0907247

Audi A6 4G Keyless Entry Amplifier Control Box Module Aerial Antenna 8K0907247

€23.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. A0009105202-1

Mercedes ML W164 Front Seat Lumbar Module Control Unit Pump A0009105202

€37.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. A2661536679-2

Mercedes W169 A170 M166.940 116HP Engine Unit Module ECU A2661536679 Automatic

€56.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. 8W6947355C

Audi A5 S5 F5 Door Card Panel LED Module Light Unit Front Left N/S 8W6947355C

€23.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. 2Q0907686E

VW Golf Gti CD1 Blind Spot Lane Change Control Module Rear Right O/S 2Q0907686E

€104.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. YWK500040

Land Rover Discovery 3 L319 Anti Theft Alarm Siren Signal Unit YWK500040

€23.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. DG9T-14B079-BFF

Ford Mondeo Mk5 Wire Harness Loom Cable Wire DG9T-14B079-BFF

€32.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. 83A947356G

Audi Q3 F3 LED Front Door LED Lighting Module Control Unit Left N/S 83A947356G

€23.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. 7505513

BMW X5 SERIES E53 4.4i 4.6is 4.8is Cable Alternator Starter Base B

€47.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. 7316218

Headlight Module BMW F01 F02 LCI Xenon Headlamp Control Unit Lear TMS 7316218

€47.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. DPLA-14D618-AC

Land Rover Range Rover L405 Door Control Module Front Right O/S DPLA-14D618-AC

€23.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. A2515400341

Mercedes W251 Negative Earth Battery Cable Wiring Harness Lead A2515400341

€23.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. 8387547

Fuse Box Base BMW X3 E83 Mini R50 R53 Battery Positive Cable B 8387547

€23.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. 7357876430

Citroën Relay Mk3 III Stereo Sat Nav CD Radio Player Head Unit 7357876430

€564.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. 5N0035341F

Volkswagen VW Scirocco Mk3 Multimedia Interface Media-In Module Box 5N0035341F

€23.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. LR053536-2

Range Rover L405 Rear Tail Lamp Light Plug Cable Wiring Right O/S EK5M-13404-AA

€23.95

Free delivery: Sep 11 – 15

If paid before 14:00

Part no. A6401508334-1

Engine Control Unit Mercedes W245 B200 CDI OM640.941 140HP ECU A6401508334

€104.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. 8K0971228AJ

Audi A6 C6 Alternator Main Cable Wiring Harness Loom 8K0971228AJ

€56.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. A1729001906

Mercedes X218 CLS350 Communication Bluetooth Control Module A1729001906

€37.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. 8T0907468R

Audi A4 B8 Gateway Control Unit Module ECU 8T0907468R

€23.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. MK72-18K942-AA

Land Rover Sport L550 Antenna Aerial Control Unit Module MK72-18K942-AA

€80.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. L8D2-10C679-AB

Land Rover Discovery Sport L550 Battery Management System Sensor L8D2-10C679-AB

€32.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. 6924519-2

BMW E82 E88 Rear Lamp Taillight Tail Light Wiring Cable Left N/S 6984754

€23.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. 8K0907063DJ

Audi RS4 B8 Body Control Unit Module ECU BCM 8K0907063DJ

€89.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. HK72-14F681-AA

Land Rover Discovery Sport L550 Fuel Pump Gateway Module HK7214F681AA

€23.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. A2389000705

Mercedes C118 W177 W205 Bluetooth Control Module Mobile Phone ECU A2389000705

€94.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. 4G0907397R

Audi S1 8X Front Lamp Headlight DRL Ballast Control Module Unit 4G0907397R

€23.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. A2465401205

Mercedes-Benz A B W176 W246 Left N/S Parking Brake Electrical Wiring Cable

€23.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. 4B0919471A

Audi TT 8N Headlight Module Ballast Relay Control Unit 4B0919471A

€23.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. 8580308-2

BMW X1 E84 20dX N47N 184HP Engine Control Module ECU DDE Kit 8580308 Automatic

€237.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. 6914304

Mini Cooper One R50 R52 Cabrio R53 Side Air Module Impact Sensor 6914304

€23.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. 6970889

BMW 7 Series E65 E66 E67 Sensor Vehicle Centre Airbag 6970889

€23.95

Free delivery: Sep 14 – 15

If paid before 14:00

...

Showing 3070-3168 of 20597 products