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

Ford Transit Custom Engine Control ECU 130HP 2.0 YMFS Manual GK21-12A650-CA

€279.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 199755-03

Volkswagen Polo 6R DRL Module Control Unit 199.755-03

€32.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. A0045467740

Mercedes W447 Drive Train Sensor Can Distributor A0045467740

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. F1BT-18C815-HK

Ford Focus Mk3 Radio Stereo CD Player Head Unit F1BT-18C815-HK

€47.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 4G5971030EF

Audi RS6 C7 Door Wiring Front Left N/S Door Harness Loom 4G5971030EF

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 5Q0035570-1

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

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. AH22-14D374-AG

Land Rover Discovery 4 L319 Air Module Control Unit AH22-14D374-AG

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. A2515404206

Mercedes W251 Rear Bumper Parktronic Wiring Loom Parking Sensor A2515404206

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 03G906016HN

Volkswagen Caddy 2K 2.0 SDI BST 70HP Engine Control Unit ECU 03G906016HN Manual

€47.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. CPLA-14F392-JF

Range Rover L405 Sport L494 Body Control Module Unit BCM ECU CPLA-14F392-JF

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 9214244

BMW F06 F10 LCI F11 12 F13 Positive Battery Cable Terminal Point 9214244

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 571035284A

Audi S3 8Y Bluetooth Module Multimedia Control Unit Cover Unit 571035284A

€237.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. A6399000800-1

Mercedes Vito W639 Fuse Box Relay Control Unit Front SAM Module A6399000800

€89.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. HK72-19C164-TC

Land Rover Discovery Sport L550 Audio Speaker Amplifier Unit HK72-19C164-TC

€80.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 9252331

BMW F10 ECU Body Control Module Junction Box V2 PL6 JBBFE III 9252331

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 8517874-12

BMW F20 F21 F30 116d 316d N47N 116HP Engine Control ECU DDE Kit 8517874 Manual

€189.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 06K907425J-4

Seat Leon Cupra 5F 2.0 TFSI 290HP DNUC Engine ECU Kit 06K907425J + BCM + Key

€222.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 9315104

BMW X3 F25 X4 F26 Door Wiring Harness Front Driver's Door Wiring Loom 9315104

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 4G0907468F

Audi A6 C7 Central Getaway Control Unit Module ECU 4G0907468B

€75.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 8W6971104M

Audi A5 F5 Rear Bumper Parking Sensor Wiring Loom Cable Harness 8W6971104M

€42.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 5K0962132A

Audi Q3 F3 Keyless Entry Amplifier Control Box Module Aerial Antenna 5K0962132A

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 9326437

BMW F30 F31 Wiring Passenger Loom Front Door Cables Harness 9286241

€32.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. DPLA-17509-BB

Range Rover Sport L494 Rear Window Wiper Control Module Unit ECU DPLA-17509-BB

€28.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. A0025428419

Relay Mercedes W176 W246 4-Pin Black Hella 12V A0025428419

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 9663381380

Peugeot 207 Engine Wiring Harness Cable Loom 1.6 HDi DV6 9663381380

€94.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 9897171

BMW G30 Engine Wiring Harness Automatic Gearbox Wire Loom 9897171

€123.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. A9069059700

Mercedes Sprinter W906 Loading Compartment Ultrasonic Sensor Grey A9069059700

€85.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 8655108-3

Mini One F54 F55 F56 B38 102HP Engine Control Unit ECU DME 8655108 Automatic

€370.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 8R0971687B

Audi Q5 8R Rear Door Wiring Loom Harness Left N/S 8R0971687B

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 06H911021AX

Audi A5 8T 2.0 TFSI Petrol Engine Starter Motor Actuator Unit 06H911021AX

€32.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 5A5D0D7

BMW X1 U11 Ground Minus Negative Cable Wiring Harness 5A5D0D7

€28.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 8092583

Differential Lock Module BMW F10 M5 F80 M3 Rear Axle Control Unit ECU 8092583

€47.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. YMM000390

Land Rover Discovery 2 L318 Door Wiring Harness Loom Rear Left N/S YMM000390

€28.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 6951674-CAR

BMW E81 E87 E90 PDC Parking Sensor Ultrasonic Carbonschwarz Black

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 8636071

BMW F30 F31 F32 F36 Engine Gearbox Module Wiring Loom Harness 8636071 8635695

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 6824117G

Mini F60 Hybrid High Voltage Battery Wiring Loom Harness 6824117G

€32.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 8F0959655C

Audi A5 8F Cabrio Air Module Control Unit ECU Crash Control Sensor 8F0959655C

€28.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 7177697-3

Plug Socket BMW E61 LCI Rear Lamp Touring Trunk Lid Wiring Left N/S 6984746

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. KT1T-14G087-EL

Ford Fiesta Mk8 Bluetooth Control Module Unit ECU 1.0 EcoBoost KT1T-14G087-EL

€47.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 5Q0937503B

Audi A3 8V Volkswagen Golf Mk7 Fuse Relay Plate 5Q0937503B

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. A2048205189

Mercedes-Benz C-Class W204 Aerial Antenna Amplifier Unit A2048205189

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 46862033

Fiat Ducato Mass Cable Wire Ground Cable Negative Cable 46862033 0468620330

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. A2479002613

Mercedes CLA C118 W177 W205 W213 Telematics Control Unit Module A2479002613

€80.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. A2055450901-1

Mercedes C205 Cable Contact Guide Battery Clamp Unit A2055450901

€42.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. A2055401492

Mercedes W205 Door Wiring Harness Door Control Loom Front Left N/S A2055401492

€61.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 9303594

BMW Z4 E89 Anti Theft Alarm System Module Control Unit DWA 9303594

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 9098704010

Toyota Corolla E12 Relay 5-Pin Multi-Use Blue 12v Denso Unit Module 9098704010

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. AH42-18C941-AG

Land Rover Discovery 4 L319 USB Audio Stereo Control Unit Module AH42-18C941-AG

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. A1179001602

Mercedes C117 Engine Noise Control Unit Module 651930 ECU 2.1 Diesel A1179001602

€227.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. A2465402605

Mercedes-Benz A B W176 W246 Engine Temperature Sensor Wiring Cable Harness

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. DG9T-14B476-B

Ford Mondeo Mk5 Body Control Module BCM ECU Fuse Box FU5T-15604-BFB

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 3C0035279C

VW Volkswagen Passat B7 CC Beetle Radio Sat Navigation Head Unit 3C0035279C

€94.95

Free delivery: Nov 12 – 13

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: Nov 12 – 13

If paid before 14:00

Part no. 80A907247A

Audi Q5 FY Keyless Entry Amplifier Control Box Module Aerial Antenna 80A907247A

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 8720724

BMW F70 U11 F74 Gran Coupé Power Distribution Fuse Relay Box Module 8720724

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. CH32-14631-AC

Range Rover Sport L320 Door Wiring Harness Loom Front Right O/S CH32-14631-ADC

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 3WA907376D

Audi S3 8Y Suspension Damper Control Unit Module ECU 2.0 TFSI Quattro 3WA907376D

€28.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 8W8971693R

Audi A5 F5 Door Trim Panel Wiring Harness Wire Cable Rear Left N/S 8W8971693R

€56.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 8408383

Parking Sensor PDC BMW X5 E53 Front Cover Control Primed 8408383

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 4G8907468H

Audi A7 4G8 S6 C7 Gateway Module Unit Diagnosis Interface 4G8907468H

€51.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 5A0AFB9-1

BMW G20 G28 LCI LED Headlight Level Control Unit Ballast Module 5A0AFB9

€66.95

Free delivery: Nov 12 – 13

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: Nov 12 – 13

If paid before 14:00

Part no. 8T0971369AF

Audi A5 8F Lumbar Support Wire Harness Wiring Cable Front Right O/S 8T0971369AF

€32.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. A0061514501-2

Starter Motor Mercedes W204 W212 Sprinter W906 OM651 Diesel Engine A0061514501

€37.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. A6421500326

Mercedes W204 OM642 224HP Engine Control ECU A6421500326 Automatic

€165.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 9389310

BMW F45 Door Wiring Front Driver's Door Loom Cable Wiring Harness 9389310

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. A1725401209

Mercedes R172 Teleaid Monitoring Sensors Wiring Harness Cable Loom A1725401209

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 7811232

BMW X3 F25 Engine Wiring Start/Stop Manual Gearbox Module Loom Cable 7811232

€80.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 9270356-2

Fuse Carrier BMW F40 Mini F55 F56 F57 F60 Distribution Box 9270356

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 7L0937548C

Audi Q7 4L Volkswagen Touareg 7L Interior Fuse Relay Box Terminal 37L0937548C

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 6980020

BMW E63 E64 Rain Light Sensor Control Unit Module HUD 6980020

€47.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 8V4971030AD

Audi A3 S3 8V Front Door Wiring Harness Loom Cable Passenger Side 8V4971030AD

€61.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 7PP907064KG

Porsche Macan 95B Body Comfort Module Control Unit 7PP907064KG

€132.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 1838804

Ford C-Max Mk2 Front Seat SBR Belt Reminder System Sensor Module DT11-A625B02-AA

€47.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. A2465408111

Mercedes W246 Door Wiring Loom Cable Front Right A2465408111

€32.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 04E907309AF-3

Seat Ibiza FR IV 1.2 TSI CJZD 110HP Engine Control ECU Kit 04E907309AF Manual

€189.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 8T0035619

Audi A4 B8 A5 S5 8T Bluetooth Control ECU Housing Cover Box Support 8T0035619

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 5E0971694F

Skoda Octavia Mk3 Rear Door Wiring Harness Cable Loom Right O/S 5E0971694F

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 8J0035223

Audi TT 8J Audio Amplifier Booster Sound System Control Unit Module 8J0035223D

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 9364729

Mini F55 F56 F57 Battery Cable Positive Wire Lead Cable Terminal 9364729

€32.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 8H0971679K

Audi A4 B6 Glove Box Light Wiring Harness Loom Cable Connector 8H0971679K

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. A0061510301-2

Mercedes W169 W245 Petrol Engine Starter Motor A0061510301

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. EJ32-14D617-AA

Range Rover L538 Front Door Control Unit Module Passenger Side EJ32-14D617-AA

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 6791131

BMW F01 ICM Module Integrated Chassis Management QL ES Control Unit 6791131

€47.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. AH42-15K609-AC

Land Rover Discovery 4 L319 Interior Ultrasonic Alarm Sensor Panel AH4215K609AC

€28.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 2828510

Ford Transit Custom Mk2 Camera Equipment Cable Assy PZ31-14F662-AA

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. AH22-10C679-BC

Range Rover Sport L320 Negative Battery Cable Wiring Harness AH22-10C679-BC

€28.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 8K5945095B-2

Audi A4 B8 Saloon Rear Tail Lamp Light Side Panel LED Wiring Left N/S 8K5945095B

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 9284331-4

Mini R55 R56 R60 R61 Roof Operating Unit Light Switch 3455632

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. FK72-19H440-BD

Range Rover Sport L494 Keyless Entry Control Unit Module FK72-19H440-B

€56.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. A4519006300

Smart Fortwo C451 Automatic Gearbox Transmission Control Unit A4519006300

€237.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 7L0937576

Porsche Cayenne 9PA Fuse Box Relay Trim Cover Panel Unit Housing 7L0937576

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 8W9971104T

Audi A4 B9 Rear Bumper PDC Wiring Parking Sensor Loom Harness 8W9971104T

€37.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 7229688-2

Headlight BMW F21 Front Light Right O/S Xenon Headlamp Harness Loom Wire 7229688

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 5A57FC9-2

BMW F01 F06 F12 F12 LCI Radio Remote Control Car Key 868 MHZ 5A57FC9

€99.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. A4144460116

Mercedes W414 Central Locking Lock Alarm Control Module ECU A4144460116

€47.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 6871062

BMW F01 F07 F10 F12 VDC Module Rear Suspension Level Control Unit 6871062

€47.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 9294209

BMW X3 F25 Radio CD Player Head Unit Navigation Sat Nav CIC Alpine 9294209

€94.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. A2055404767

Mercedes C205 Front Door Harness Wiring Loom Driver's Side A2055404767

€37.95

Free delivery: Nov 12 – 13

If paid before 14:00

...

Showing 10792-10890 of 22939 products