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

Mercedes W205 W447 Camera Surround View Control Unit Module A2059001217

€189.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. A2135406831

Mercedes W213 Rear Door Wiring Harness Keyless Left Right N/O/S A2135406831

€28.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 5WA915181A

Audi RS3 8Y Negative Battery Terminal Cable Control Unit Cable 5WA915181A

€85.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 6868600

BMW F20 F22 F30 F32 F36 Air Module Domain Control Unit Module ICM Plus 6868600

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 8631725-7

BMW F22 F30 F32 ECU Kit DME N20 184HP Petrol 220i 320i 420i 8631725

€560.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 5293147

Relay Glow Littlefuse Mega Fuse 250 Amp 5293147

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 5A69273

BMW G20 330e Hybrid Battery Positive Cable Wiring 5A69273

€56.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 01395548080

Citroën Relay III Door Wiring Loom Harness Cable Front Right O/S 01395548080

€37.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 7P6035552M

VW Touareg 7P Antenna Amplifier Signal Booster Module Rear Left N/S 7P6035552M

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. H1BT18K810ZAU

Ford Puma St Cf7 Multimedia Radio Head Unit H1BT-18K810-ZAU

€94.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. A1695400506

Mercedes W169 Front Bumper Parking Sensor Wiring Loom Cable Harness A1695400506

€47.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 8506434

BMW E87 E90 LCI N47 118d 318d Diesel Engine Control Unit ECU DDE Manual Gearbox

€61.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. KDC-BT440U

Kenwood KDC-BT440U Bluetooth Car Radio Stereo CD USB FM Audio Player

€56.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 8J0945096B-3

Audi TT 8J Rear Lamp Light Right O/S Harness Loom Wire Cable 8J0945096B

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. FK72-7L195-BA

Land Rover Discovery Sport L550 Vibration Damper Control Module FK727L195BA

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 8X0951253

Audi VW Volkswagen Seat Relay Blue Unit Module 5 Pins 12V 8X0951253

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 2714043

Ford Transit Custom Diesel Door Wiring Loom Rear Right O/S PZ3T-14F514-CCC

€32.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 4G9035225A

Audi A6 C7 Aerial Booster Amplifier Unit Module ECU Lower Left N/S 4G9035225A

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 2145646

Ford Fiesta Mk8 Puma ST CF7 Impact Crash Sensor Control Unit GN15-14C676-AA

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 8R0937545A

Audi Q5 8R Body Control Module Fuse Relay Panel Left Right N/O/S 8R0937545A

€47.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 6949229-1

2 x Mini R52 Convertible DWA Door Alarm System Module Control Unit Set 6949229

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 7404880-1

BMW F20 F21 F30 F31 Fuel Pump Module Control Unit ECU 7404880

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 5A67847

BMW F74 Gran Coupé Crash Impact Sensor Door Front Left Right N/O/S 5A67847

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. DS7T-18B849-AU

Ford Mondeo Mk5 Sound Amplifier Unit Module 1.5 EcoBoost UNCE DS7T-18B849-AU

€37.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 04L903017D

Audi A4 B8 A5 8F 2.0 TDI Diesel Engine Alternator Generator 04L903017D

€70.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. GH22-14K016-EA

Land Rover Discovery 4 L319 Fuse Box Upper Lid Cover Panel GH22-14K016-EA

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 3C0907651

Volkswagen VW Golf Mk6 1K Acceleration Sensor 3C0907651

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. JK62-01820-AF

Land Rover Range Rover Sport L494 Center Console Air Vent Grille JK62-01820-AF

€75.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 9224686

BMW Mini Clubman R55 Cable Wiring Loom Splitdoor Door Rear Right O/S 9224424

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 9496818

BMW G60 G61 G68 U10 U11 U12 Impact Crash Accelerating Sensor 9496818

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. AC1T-9K499-FNA-1

Ford Transit Mk7 Engine Bay Fuse Box Wiring Loom 2.2 TDCi AC1T-9K499-FNA

€75.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 4L0971035AH

Audi Q7 4L Door Card Wiring Loom Harness Cable Front Left N/S 4L0971035AH

€37.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. AG9N-10C679-DB

Ford Mondeo Mk4 Battery Cable Negative IBS AG9N-10C679-DB

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. CK52-14N144-CE-1

Range Rover L405 Battery Positive Plus Fuse Cable Loom CK52-14N144-CE

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 6822250

Mini F55 F56 F57 F60 Cooper S SD Electric Fan Relay Module Unit 6822250

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. A2439008400

Mercedes GLC X253 Sound Audio Amplifier Module Rear Harman A2439008400

€56.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 3417586

Electronic Box BMW X3 E83 LCI 2.5si 3.0si N52N Control Unit Mount Holder 3417586

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 8482361

BMW G20 G21 Engine Injector Wiring Loom Harness Cable B48X 8482362

€32.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. M8A2-14305-CB

Land Rover Range Rover Velar L560 Battery Starter Wiring 2.0D M8A2-14305-CB

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 6J0035156

Seat Ibiza 6J Head Unit Mulitmedia Hazard Triangle Switch Panel Block 6J0035156

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. BV6N-14A073-FU

Ford Focus Mk3 C-Max Mk2 Body Control Module BCM Fuse Box BV6N-14A073-FU

€336.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 7936365

Mini F55 F56 F57 Integrated Supply Module Z11 Control Unit Module 7936365

€66.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. LR032271

Range Rover L322 PDC Wiring Cable Loom Rear Bumper LR032271

€142.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 7352192

BMW F20 CLI F87 LCI BCM Body Control Module FEM Control Unit 5A7FB58

€165.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 7L5035738

Porsche Cayenne 9PA Rear Door Treble Speaker Audio Unit Right O/S 7E0035411B

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. VIBE400-1

VIBE Powerbox 400.1M-V7 400W Class D Amplifier Car Stereo Subwoofer VIBE400

€151.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. R8D2-14A076-AA

Land Rover Discovery Sport L550 Fuse Relay Box Lid Left N/S PHEV R8D2-14A076-AA

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 2451723

Ford Transit Mk8 Alternator Generator Unit 14V 2.0 Diesel Engine GK2T-10300-AF

€170.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 7520912

BMW E60 E61 E63 E64 LCI Cover Electronic Box 7520912

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 1KM955557

Volkswagen Golf Mk6 Front Crash Impact Sensor Module Left Right N/O/S 1KM955557

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. CK52-14B518-ED

Range Rover L405 Door Wiring Loom Harness Cable Rear Right O/S CK52-14B518-ED

€42.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. CH32-14290-ARB

Range Rover Sport L320 Under Bonnet Fuse Relay Box CH32-14290-ARB

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. FK72-19C166-BD

Land Rover Discovery L550 Multimedia USB SD Card Port Socket FK72-19C166-BD

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 4G8971365J

Audi A6 C7 Seat Belt Wiring Harness Warning System Left Right N/O/S 4G8971365J

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. AX23-14369-BA

Jaguar XF X250 Front Bumper Wiring Loom Parking Sensor PDC Harness AX23-14369-BA

€37.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. A1679008207

Telematics Module Mercedes W177 W247 Communication Control Unit ECU A1679008207

€113.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 9285275

BMW X3 F25 X4 F26 Bus Interface 60 Ohm Control Module Unit ECU 9285275

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 03L906018MQ-2

Audi Q5 8R CGLB 2.0 TDI 170HP Quattro Engine ECU Kit Key 03L906018MQ Automatic

€208.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 8E0862373A

Audi A3 S3 RS3 8P S4 B7 Handsfree Phone Audio Microphone Unit 8E0862373

€32.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. BJ32-14D618-AB

Land Rover Discovery L550 Front Door ECU Control Unit Right O/S BJ32-14D618-AB

€37.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 2260730-1

Ford Transit Connect Alternator Module Unit Actuator 1.5 Diesel AV6N-10300-GE

€42.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 21014375

Mercedes W204 C220 Heater Blower Cable Loom Wiring Adapter Connector 21014375

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. HPLA-14F392-JD

Land Rover Range Rover L405 BCM Body Control Module Unit HPLA-14F392-JD

€32.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 1K0971349MR

Volkswagen Scirocco Mk3 Alternator Wire Wiring Cable Harness Loom 1K0971349MR

€66.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. A2469000005

Mercedes W176 PDC Parking Distance Control Module Unit A2469000005

€66.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 9335298

BMW 1 Series F20 Front Left Door N/S Wiring Loom Harness Cables 9215715

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. HPLA-14F392-JB

Land Range Rover Sport L494 Air Suspension Module Control ECU HPLA-14F392-JB

€37.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 06E903018L

Audi A4 S4 8K A5 S5 8F 8T Q5 8R Engine Alternator 3.0 TFSI 14V 180A 06E903018L

€51.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. DK62-14N144-BE

Range Rover L405 Positive Battery Cable Wiring Harness Loom DK62-14N144-BE

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. CK52-13554-AE

Land Range Rover L405 Tailgate Camera System Control Module CK52-13554-AE

€246.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 8624341

BMW F30 LCI Fuse Box Fusebox Holder Support Mount Bracket Carrier 8624341

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 7G92-15K868-AD

Land Rover Freelander 2 L359 Parking Sensor Wire Loom Rear Bumper 7G92-15K868-AD

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 6994419

BMW G20 Power Distribution Fusebox Cover Fuse Box Terminal 6994419

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 6G91-10663-AD

Ford Mondeo Mk4 Battery Tray Holder Bracket Support 2.0 Petrol 6G91-10663-AD

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. A2465403803-1

Mercedes W117 W156 W176 W242 W246 Electrical Fuse Relay Box A2465403803

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 8572439-4

BMW F30 F31 N57N 330d 258HP Diesel Engine ECU Kit DDE 8572439 FEM Key Automatic

€213.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. A2056200018

Battery Box Bracket Mercedes W205 W213 W238 Trim Holder Right O/S A2056200018

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 2T1T-14A584-BG

Ford Transit Connect Door Wire Harness Loom Front Driver's Side 2T1T-14A584-BG

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. A2579005100

Mercedes Sprinter W907 Telematics Services Communication Module A2579005100

€113.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 46868567

Vauxhall Movano C Electric Power Steering Wiring Harness 2.2 Diesel 46868567

€56.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. A0115453826

Mercedes W163 Data Connector Link Plug Wire Harness Pigtail A0115453826

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 5WA937132A

VW Volkswagen Caddy SB Golf GTI CD1 Fuse Box Cover Top Lid Housing 5WA937132A

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 4M0906093M

Audi A5 S5 F5 Quattro Fuel Pump Control Unit Module 3.0 Diesel 4M0906093M

€56.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 9253186

BMW X1 E84 Audio Amplifier Booster Sound Control Unit Module 65152990908

€284.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 5293147-5

Relay Glow Littel Fuse Mega Fuse 80 Amp 5293147

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 1K0937132F

Vw Golf 5 Audi A3 8P Seat Leon 1P1 Fuse Box Cover Trim Panel Housing 1K0937132F

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. A1648202679

Mercedes ML W164 Radio Player Audio Stereo CD Player Head Unit A1648202679

€284.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 6J0035342C

Seat Ibiza FR 6J Dashboard MMI Multimedia AUX Socket Interface Box 6J0035342C

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 51794154-2

Fiat Panda Mk2 Headlight Headlamp Wiring Harness Cable Plug Right O/S 51794154

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 7L0937503A

Volkswagen Touareg 7L Fuse Box Relay Control Unit Module 7L0937503A

€37.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. A7899823500

Mercedes EQA H243 Engine Relay 20A ECU A7899823500

€51.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 5G0907159B

Volkswagen Golf Mk7 5G Body Sound Control Module ECU 5G0907159B

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 8516739

Mini One D R56 LCI R60 90HP N47N Engine Control Unit ECU DDE 8516739 Manual

€94.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. A0038202926

Mercedes W164 X164 W221 SRS Airbag Impact Crash Sensor A0038202926

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 95B971846A

Porsche Macan 95B Fuse and Relay Box Fuse Holder 95B971846A

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 4E0035547G

Audi A8 D3 Radio Receiver Mount Bracket Carrier Holder 4E0035547G

€28.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. A2168204726

Mercedes W221 Bluetooth Control Module Mobile Phone Interface A2168204726

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. XQA500110-1

Land Rover Range Rover L322 Rear Subwoofer Speaker Unit XQA500110

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 9359037

BMW F46 Gran Tourer 3rd Row Seat Wiring Harness Loom 9359037

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

...

Showing 7723-7821 of 22939 products