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 C205 W213 Fuse Box Rear SAM Module Electrical Control Unit A2139068701

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 8509914

BMW F20 F21 F22 F23 F30 F31 F32 F33 F34 F36 Cover Electronics Box 8509914

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 2Q0907685G

Skoda Octavia Mk4 NX Lane Change Assist Module Control Unit Left N/S 2Q0907685G

€113.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 8F0971029AL

Audi A5 8F Front Door Electric Wiring Loom Harness Driver's Side 8F0971029AL

€32.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 2545291-1

2545291

€89.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 07K971082F

Audi RS3 8V 8Y RSQ3 F3 Wiring Harness Injectors 2.5 TFSI Petrol 07K971082F

€66.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 8J0971030J

Audi TT 8J Door Wiring Harness Cable Passenger Side 8J0971030J

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 6974890-MYS

BMW E87 E90 E91 LCI PDC Ultrasonic Parking Sensor Mysticblau Blue - A07

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. GK62-18808-AB

Land Rover Range Rover Sport L494 Rear Subwoofer Bass Speaker GK62-18808-AB

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. A2055404306

Mercedes W205 Shock Absorber Adjustment Wire Harness Rear Right O/S A2055404306

€61.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 5G0971175B

VW Volkswagen Golf R 7 Rear Tailgate Boot Lid Wiring Adapter Loom 5G0971175B

€28.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 4F0971073

Audi A6 C6 Front Slam Panel Wiring Loom Harness Cable 4F0971073

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 7827899

BMW G20 G21 G60 G61 X2 U10 X1 U11 Charging Charge Cable Hybrid Plug In 7827899

€142.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. GX73-18808-DC

Land Range Rover Evoque L551 Front Door Speaker Left Right N/O/S GX73-18808-DC

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. SLS-1-BN-S120-M40A

SLS-1-BN-S120-M40A Phase 3 Powersafe 500A L1 Drain Connector SLD0002

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 8T8971030AQ

Audi A5 8T Front Door Wiring Harness Loom Cable Passenger's Side 8T8971030AQ

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 4E0919063

Audi A1 8X A3 8V Door Light Emitting Diode Mount Bracket LED Module 4E0919063

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 9181463

BMW 1 X4 X5 Series F20 F21 F25 F26 Antenna Aerial Diversity Trap Circuit 9181463

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 7G9T-14B534-BD

Land Rover 2 L359 Front Door Control Module Left Right N/O/S 7G9T-14B534-BD

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 8574351-6

BMW X1 E84 18dX 143HP Diesel N47N Engine Control Unit ECU DDE 8574351 Manual

€85.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 2382879

Mini R58 Dashboard Sat Nav Navigation Display Screen 2382879

€56.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. L1TT-14B006-AA

Ford Ranger Mk6 T6 Fiesta Mk8 Impact Crash Sensor Rear Left N/S L1TT-14B006-AA

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 6923217

BMW 6 E64 E64 LCI Bracket Control Unit Vehicle Electrical System 6923217

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. AH22-18D493-AC

Land Rover Discovery 4 L319 Heater Control Module ECU Unit AH2218D493AC

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 8X0035225J

Audi A1 8X Antenna Booster Amplifier Upper Rear Right O/S 8X0035225J

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 7L0937559

Porsche Cayenne 955 9PA Audi Q7 4L VW Touareg 7L Fuse Box Relay Module 7L0937559

€28.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. AH22-10B680-CB

Land Rover Discovery 4 L319 Negative Battery Cable 3.0 TD Diesel AH22-10B680-CB

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 8707676

BMW F22 F32 F36 Body Control Comfort Module Unit 8707676

€70.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 2680504

Ford Transit Connect Mk2 Sat Nav Control Module Unit ECU NU5T-14G371-AAE

€123.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 9280912

F10 F11 F20 F21 F30 F31 Front Seat Control Module Unit 9280912

€66.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 4G0937517B

Audi A7 4G Power Distribution Box Control Unit 4G0937517B

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 5H32-14633-AA

Range Rover L320 Door Wiring Loom Harness Cable Rear Left N/S 5H32-14633-AA

€28.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. BJ32-14D617-AC

Land Rover Freelander 2 L359 Door Module Passenger Side Front BJ32-14D617-AC

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 8J0937503

Audi TTS 8J Fuse Relay Box Bracket Mount Frame 8J0937503

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 8X0959792F

Audi A1 8X Front Door Control Module Unit Passenger Side 8X0959792F

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 5N0971693AD

Volkswagen Tiguan Mk1 Rear Door Wiring Loom Harness Left N/S 5N0971693AD

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 4H22-14A614-HA

Range Rover Sport L320 Air Temperature Sensor Wire Harness Cable 4H22-14A614-HA

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. A2059055211

Mercedes W117 W154 W205 W213 W217 Tailgate Open Switch Sensor Rear A2059055211

€37.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 5N0971349AP

VW Sharan 7N Positive Plus + Battery Alternator Wiring Harness Cable 5N0971349AP

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 9242670

DVD Changer BMW F01 F10 F11 F12 F20 F30 Disc Changer Control Unit 9259800

€189.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 8W6945092AA-1

Audi A5 F5 Tail Light Lamp Side Martix Cable Wire Rear Left N/S 8W6945092AA

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. KPLA-10C820-DB

Land Range Rover Sport L494 Hybrid Battery Hose Line Pipe Tube KPLA-10C820-DB

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. A2601501600

Mercedes W177 Engine Wiring Loom Harness Cables M260 Petrol A2601501600

€189.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 7PP907279T

Porsche Cayenne Turbo 92a Comfort Convenience Body Control Unit ECU 7PP907279T

€370.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 0-1432785-1

TycoElectronics 12 V DC Fuse Relay Set 0-1432785-1

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 9297604

BMW F12 Wire Harness Cable Loom Wiring 9297604 9313752

€42.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. A1661500333

Mercedes A-Class W168 Cable Starter Line Negative Line Battery A1661500333

€32.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. DT1T-14B321-AG

Ford Transit Connect Mk2 Air Module Control Module ECU 1.5 TDCi DT1T-14B321-AG

€32.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. A2139008730

Mercedes C253 W177 W205 W247 Gearbox Module Control ECU Automatic A2139008730

€37.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 3AA971694CB

Volkswagen Passat B7 Door Wiring Loom Harness Rear Right O/S 3AA971694CB

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 83A947356T

Audi Q3 RSQ3 F3 Door Lighting LED Module Harness Wire Front Left N/S 83A947356T

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. A2075400740

Fuse Box Mercedes W204 Battery Terminal Control Unit Module A2075400740

€32.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. A2049006007

Mercedes W204 Multimedia Audio CD Player Radio Head Unit A2049006007

€165.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 1T1937503A

Volkswagen Touran 1T Fuse Box Relay Control Unit Bracket Module 1T1937503A

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 3WA959592A

Audi A3 8Y Door Control Unit ECU Module Front Left N/S Side 3WA959595A

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. UN09675D2

Ford Ranger Mk4 Keyless Entry ECU Control Module Visteon 41770 UN09675D2

€42.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 5A23697

Mini F66 F65 F67 Outside Mirror Light Module Unit Left N/S 5A23697

€42.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. A1648700951

Mercedes GL Instrument Panel Switch Panel Seats PDC Suspension A1648700951

€108.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. AH42-14B539-AA

Land Rover Range Rover L322 Fuse Box Housing Cover Tray Holder AH42-14B539-AA

€37.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. BK2T-19L540-BE

Ford Transit Custom Mk8 Door Wiring Loom Harness Right O/S BK2T-19L540-BE

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. A2045400150

Mercedes-Benz C E Class W204 W207 Fuse Distribution Box Interior A2045400150

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. DPLA-19H440-BC

Land Rover Range Rover Sport L494 Keyless Entry Control Module DPLA-19H440-BC

€70.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 8J0907115L

Audi TTS Mk2 8J 2.0TFSI CCZA 200HP Engine Control Unit ECU 8J0907115L Automatic

€199.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. DS7T-15603-DA

Ford Ranger TKE T6 Keyless Entry Receiver Antenna Module Unit DS7T-15603-DA

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. JK2T-14C676-AA

Ford Ranger Mk3 Door Air Module Impact Sensor Unit Driver's Side JK2T-14C676-AA

€42.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 9383176

BMW F20 F30 F34 BCM FEM BSI Body Control Module Unit 9383176

€56.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. A2129009908

Mercedes SLK R172 Fuse Box Relay Control Unit SAM Module A2129009908

€127.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. HK63-12616-EA

Jaguar Xf X260 Positive Battery Cable Wire Harness Wire Loom HX63-12616-EA

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 8K0971688AC

Audi A4 B8 Door Wiring Harness Cable Loom Rear Right O/S 8K0971688AC

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. XH42-10E921-AC

Land Rover Range Rover L322 Aerial Antenna Amplifier Module Ecu XH42-10E921-AC

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 7411596-1

BMW F01 F10 F20 F30 F31 F32 F33 F34 F36 Fuel Pump Control Unit Module 7407514

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. LJB2100BA

Jaguar XK8 X100 Servotronic Relay Steering Control Module LJB2100BA

€28.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 89V4971035A

Audi S3 8V Front Door Wiring Loom Harness Plug Cable Driver Side 8V4971035A

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. TS-G1010F

Pioneer Car Speakers Module Audio Unit System TS-G1010F

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 8J0971085B

Audi TT 8J Rear Bumper Fog Light Wiring Loom Harness Cabling 8J0971085B

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 9199996

Holder BMW F13 TV Video Switch Control Module Unit Bracket Mount 9199996

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 8W0971228BH

Audi A4 B9 A5 F5 Starter Motor Battery Cable Wiring Harness 8W0971228BH

€203.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 7011612

BMW 7 Series E65 E66 E67 Centre Console Coinbox With Vent Storage Compartment

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 8W0915459J

Audi A5 F5 S5 RS5 A4 B9 Battery Central Protection Cover Mount 8W0915459J

€80.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 2S6H-18C426-DA

Ford Fiesta St Mk5 Heater Control Temperature Harness Wire Cable 2S6H-18C426-DA

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 1S0919275D-MRE

Audi A5 8T PDC Parking Distance Control Sensor 1S0919275D Misano Red Pearl - Z3M

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 3R0907274

Seat Exeo TPMS Tyre Pressure Monitor Module Control Unit ECU 3R0907274

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. N9D3-14D617-AA

Range Rover Velar L560 Passenger Door Control Unit Module ECU N9D3-14D617-AA

€42.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. LR140109

Range Rover Evoque L551 Starter Motor 2.0 Diesel Hybrid MHEV M8D2-11001-AC

€194.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 6H52-18845-AC

Land Rover Freelander 2 Radio CD Player Stereo Audio Head Unit 6H5218845AC

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 8614090

BMW X5 F15 High Voltage Battery Unit Seal Gasket Surround Rubber 8614090

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 1Q0945093C-1

VW Volkswagen Eos 1F Rear Tail Light Lamp Wiring Cable Inner Left N/S 1Q0945093C

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. A1665402950

Mercedes W166 Prefuse Box F32/4 Power Distribution Box A1665402950

€132.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 7428361

BMW G11 G20 G21 G30 G31 Charge State Display Indicator Unit LED 7428361

€37.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 5A52C39

BMW X1 X2 Rear Door Wiring Loom Harness Cable Left Right N/O/S 5A52C39

€99.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 9241825

Central Information Display BMW F10 F11 LCI Boardmonitor Screen 7" 9241825

€47.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 1K0907530D

Audi A3 8P Central Gateway Control Unit Module Relay ECU 1K0907530D

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. A2129001829

Mercedes C207 W212 Front Right Door O/S Control Unit Module A2129001829

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. A2059000219

Mercedes C117 W176 W205 Telematics Module Communication Control Unit A2059000219

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. A0535450226

Mercedes Sprinter W906 Fuse Box Connector Plug Socket A0535450226

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 2601091

Ford Kuga Mk3 Air Module Control Unit ECU LV4T-14B321-SC

€165.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 2354130

BMW 3 X5 Series E46 E53 3.0d M57 Alternator Belt Tensioner 2354130

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 8X23-18C941-AD

Jaguar XF X250 Audio Connectivity Module Control Unit ECU 8X23-18C941-AD

€2,108.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. AV1T-14A584-CEF

Ford B-Max Mk1 Rear Door Loom Wiring Harness Cable Right O/S AV1T-14A584-CEF

€28.95

Free delivery: Nov 12 – 13

If paid before 14:00

...

Showing 5743-5841 of 22939 products