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

Rear Bumper PDC Audi A5 Sensor Parking Distance Control 420919275 1706091849

€23.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. 5E3945208A-2

Skoda Octavia Mk4 NX Tail Light Side Panel Lamp Wiring Rear Right O/S 5E3945208A

€23.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. 8677250

Battery Starter Cable Mini Countryman F60 Cooper S B48 Positive Plus 8677250

€32.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. DV61-12A650-BKE

Ford Transit Connect 1.6 Duratorq 95HP Engine Module ECU DV61-12A650-BKE Manual

€322.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. A1775408312

Door Wiring Mercedes W177 W247 Driver Side Cable Harness Loom A1775408312

€32.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. A1648205685

Air Module Mercedes ML W164 W251 SRS Control Unit ECU A1648205685

€23.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. VUX500103

Land Rover Range Rover L322 Radio Tuner Receiver Control Module ECU VUX500103

€32.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. 8583657

Wiring Harness BMW F20 E90 LCI Mini R56 LCI Engine Glow Plug Module 8583657

€23.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. 3455306

Mini R57 Cabrio Convertible DWA Alarm System Relay ECU 3455306 65753455306

€23.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. 83A035842

Audi A1 GB Multimedia Sat Nav Radio Head Unit Controller 83A035842

€94.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. 1K0915336B

Audi A3 8P Volkswagen Golf Mk5 Battery Side Cover Surround Housing 1K0915336B

€23.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. 8368231

BMW E46 Door Speaker Tweeter Front Left N/S 8368231

€23.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. 6956672

BMW E63 E63N LCI Centre Console Switch Centre DTC PDC 6956672

€23.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. 1K0971558K

VW Volkswagen Golf Gti 1k Door Wiring Loom Harness Front Right O/S 1K0971558K

€23.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. 9231518

BMW F31 Antenna Aerial Diversity Trap Circuit 9231518

€23.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. 7220891

BMW E91 LCI Control Unit Module Support Plate Bracket Carrier Holder 7220891

€23.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. A1779002207

Mercedes W177 Rear Left Right N/O/S Door Control Module A1779002207

€42.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. A0015424523

Parktronic Display Mercedes W207 W212 PDC System Parking Sensor A0015424523

€23.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. A2129063001-1

Radio Head Unit Mercedes W212 Command Navi CD DVD Player Navigation A2129063001m

€161.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. 1K0937517-2

Audi A3 RS3 RS4 B7 8V Potential Power Distribution Junction Jump Point 1K0937517

€23.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. J0VDC2H01

Volkswagen Sharan 7N Radio Navigation DVD Screen Head Unit J0VDC2H01

Product currently unavailable

Part no. A1648701089

Mercedes GL X164 Antenna Amplifier Control Unit Module A1648701089

€28.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. LX6T-14A313-EAE

Ford Kuga Mk3 Centre Console Rear Seat Heated Wiring Loom Harnes LX6T-14A313-EAE

€32.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. AH42-14027-ZAD

Range Rover L322 Door Wiring Harness Loom Rear Left Right N/O/S AH42-14027-ZAD

€47.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. 2127341

Ford Mustang Mk6 Cable Harness Wire FR3T-13A840-CB

€28.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. CM5T-14B006-AA

Ford Focus Mk3 Air Module Crash Impact Sensor CM5T-14B006-AA

€23.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. 8512500-1

BMW E81 E82 E87 LCI E88 123d Engine N47S ECU Kit DDE 8512500 CAS3 + Key Manual

€317.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. BV6T-14E073-AAD

Ford Focus Mk3 Front Door Wiring Loom Harness Left N/S BV6T-14E073-AAD

€23.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. CPLA-14Q073-AA-1

Range Rover L405 Fuse Box Control Module CPLA-14Q073-AA

€23.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. 5A28AF0

BMW F36 Gran Coupe Radio Player Head Unit CD DVD 5A28AF0

€840.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. A2829006700

Mercedes W177 A200 M282.814 163HP Engine Control Unit ECU A2829006700 Automatic

€284.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. 05L907309B-2

Audi Q3 F3 40 TDI DTUA Quattro 200HP Engine Control ECU Kit 05L907309B Automatic

€208.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. 3V0971694Q

Skoda Superb Mk3 3V Rear Door Wiring Harness Cable Right O/S 3V0971694Q

€66.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. 6824110

BMW 3 F30 LCI 330e Hybrid High Voltage Battery Wiring Loom Harness 6821420

€94.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. LR021461

Land Rover Range Rover L322 3.6 V8 368DT Diesel Starter Motor 7H42-11001-AB

€146.95

Free delivery: Sep 11 – 15

If paid before 14:00

Part no. 4K0919605A

Audi A6 C8 A7 S7 RS7 Display Screen Multimedia Navigation 4K0919605A

€294.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. 7410838-1

BMW X3 F25 Front Headlight Lamp Light Wiring Harness Cable Right O/S 7410838

€23.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. A2519062200-1

Mercedes W251 COMAND Navigation Head Unit Radio Sat Nav Screen A2519062200

€332.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. 8J0907115BC-1

Audi TT 8J Engine Control Unit Module ECU 1.8 TFSI CDAA 160HP 8J0907115BC Manual

€279.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. 8H1971035CT

Audi A4 S4 RS4 8H Cabriolet Door Wiring Loom Harness Passenger Side 8H1971035CT

€23.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. 99757241902

Porsche Boxster Cayman 987 Underbody Cover Panel Trim 99757241902

€23.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. 9356156

External Ignition Base BMW F20 F30 F32 F33 Power Terminal Distribution 9356156

€23.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. 8K0959794A

Audi A4 B8 Door Module Rear Right O/S Control Unit Module ECU 8K0959794A

€23.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. 9343287

BMW i3 I01 Mini F56 Air Conditioning System A/C Control Unit Module 9343287

€75.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. 6G9T-14324-BJ

Ford Mondeo Mk4 Negative Earth Cable Battery Lead Wire 6G9T-14324-BJ

€23.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. A2218210006

Door Cable Mercedes W221 W216 Front Wiring Loom Seat Control Switch A2218210006

€23.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. 8353447

BMW E36 E38 Relay Two Pole Make Contact 8353447

€23.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. 7L0971235

Volkswagen Touareg 7L Negative Battery Terminal Cable Wiring Loom 7L0971235

€23.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. 919504H071

Hyundai H-1 Fuse Box Module Control Unit ECU 919504H071

€66.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. A0025428719-1

Mercedes W176 W204 W207 W166 Relay 4 Pin Grey Hella SET X2 A0025428719

€23.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. 1K0951253A

VW Audi Seat Skoda Glow Plug Relay Unit Engine Supply Black 4 Pins 1K0951253A

€23.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. A4519012101

Smart Fortwo 451 Air Module Control Unit SRS A4519012101

€23.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. 8W0907159D

Audi RS4 B9 A5 F5 Impact Sound Module Control Unit 8W0907159D

€42.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. 5H0971104P

Volkswagen Golf Mk8 CD1 Parking Sensor Wiring Rear Bumper Loom Cable 5H0971104P

€32.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. ASM1181

Audi A4 A6 Skoda Superb Engine Starter Motor Apec ASM1181

€142.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. A1644406910

Mercedes ML W164 Door Wiring Harness Rear Left Right N/O/S Loom A1644406910

€37.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. A2479052503

Mercedes Sprinter W910 Remote Key Control Unit A2479052503

€94.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. A4475406353

Mercedes Vito W447 Battery Cable Diesel OM651 Alternator Wiring A4475406353

€47.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. A1648204164-2

Mercedes GL X164 Rear Lamp Light Side Panel Wiring Cable Left N/S A1648200564

€23.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. F1ET-14B321-CB

Ford Focus Mk3 Air Module ECU Control Unit Controller Sensor F1ET-14B321-CB

€23.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. 06E911023E

Audi A8 D3 Engine Starter Motor 3.2 FSI Petrol 260HP BPK Quattro 06E911023E

€23.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. 8V0837220D

Audi A3 S3 RS3 8V Remote Key Fob Opener Lock 3 Button 434 Mhz 8V0837220D

€32.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. 03L906018GF

VW Scirocco Mk3 2.0 TDI 140HP CFHC Engine Control ECU Kit 03L906018GF Manual

€227.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. CV1T-14B533-AE

Ford B-Max Mk1 Front Door Module Control Unit Passenger Side CV1T-14B533-AE

€23.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. CPLA-14D620-AC

Range Rover L405 Rear Door Control Unit Module CPLA-14D620-AC

€32.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. A6519002803-3

Mercedes Vito W447 114 CDI OM651.950 Engine ECU Kit Ignition + 2 Key A6519002803

€474.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. 5N0035342B-1

VW Volkswagen Touran Golf Polo Interface Module Multimedia Control 5N0035342B

€23.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. 8V4971035J

Audi S3 8V Door Trim Wiring Wire Harness Cable Front Driver's Side 8V4971035J

€28.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. 8K0971035BB

Audi A5 8T Front Driver Side Door Wiring Harness Cable 8K0971035BB

€23.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. 5N2941005C-2

Volkswagen Tiguan 5N Headlight Wiring Cable Adapter Front Left N/S 5N2941005C

€23.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. 7789755

BMW 5 6 Series E60 E61 E63 E64 LCI Cable Starter-Base B 7789755

€23.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. LR080292

Range Rover Sport L494 Engine Starter Motor 3.0 Diesel FPLA-11001-BB

€51.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. 6R0937087M

Seat Ibiza 6J Body Control Comfort Unit Module BCM Unit ECU 6R0937087M

€85.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. 8616814

BMW X5 F15 Cooler High Voltage Battery Lower 8616814

€66.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. AG91-12A650-ADF

Ford Mondeo Mk4 Engine Control ECU 2.0 TDI 163 HP KIT AG91-12A650-ADF Manual

€284.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. 82G971035B

Audi A1 GB Mk2 Door Wiring Loom Harness Cable Front Driver Side O/S 82G971035B

€23.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. 6933264

BMW E65 E66 Control Unit Door Rear Passenger Side 6933264

€23.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. 4F1971687AL

Audi A6 C6 Rear Left N/S Door Harness Cable Loom 4F1971687AL

€47.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. 8W0907217D

Audi A4 B9 Front Windscreen Windshield Lane Assist Camera 8W0907217B

€227.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. 8606058

BMW F30 330e Hybrid High Voltage Battery Module Screw Bolt 8606058 SET

€23.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. 8T0862335B

Audi A4 B8 Bluetooth Multimedia Interface Control Module Unit ECU 8T0862335B

€28.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. 8594489

BMW X1 F48 Mini F55 F56 F57 Battery Cable Starter-Base B+ 8594489

€23.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. A2535400701

Mercedes A238 M276 Engine Alternator Wiring Loom Harness A2535400701

€61.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. 8X0971845C

Audi A1 8X Fuse Box Relay Control Unit Module Bracket Holder 8X0971845C

€28.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. 7544892

BMW 3 F30 LCI 330e B48X HV Accumulator Battery Negative Cable Ground 7544892

€23.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. DV6T14B531BD

Ford Transit Connect Door Module Front Right O/S Control Unit ECU DV6T14B531BD

€23.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. TM450

Trafficmaster TM450 GPS Vehicle Location Tracker Control Unit Module ECU

€23.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. A2055407616

Wiring Mercedes W205 Electrical Cable Transmission To Body A2055407616

€23.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. 8T0971036A

Audi A5 8T Front Door Wiring Harness Cable Left N/S Passenger Side 8T0971036A

€23.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. 9897879-4

Mini Cooper F55 F56 F60 B38C 1.5 136HP Engine Module ECU DME 9897879 Manual

€118.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. 3415607

BMW X3 E83 LCI Petrol N52N Cable Alternator Starter Base B+ 3415607

€23.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. YTA101910

Land Rover Freelander L314 Positive Plus Pole Battery Cable Lead Loom YTA101910

€23.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. 6937083

Ultra Sonic Module Mini Cooper R50 R53 Alarm System Sensor 6937083

€23.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. 7541779

BMW Z4 E85 2.0i N46 Cable Alternator Starter Base B+ 7541779

€23.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. 8616815

BMW X5 F15 Cooler High Voltage Battery Upper 8616815

€66.95

Free delivery: Sep 11 – 15

If paid before 14:00

Part no. 7928582

BMW G01 G02 G05 G20 G21 G22 G30 G31 G32 DAB Audio Sound Amplifier Module 7928582

€165.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. 8506444

BMW E90 E91 LCI E92 330d N57 245HP ECU Engine Control Unit DDE 8506444 Manual

€113.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. 7379674-2

BMW F01 F02 LCI Front Headlight Wiring Harness Cable Plug Right O/S 7379674

€23.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. A0005440456

Mercedes W163 Green Relay 2-Pin ML350 112970 3.7 Petrol 245HP A0005440456

€28.95

Free delivery: Sep 14 – 15

If paid before 14:00

...

Showing 5644-5742 of 20626 products