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

Make

Mini Cooper S R56 Rear Bumper PDC Cables Wiring Loom Set 9140177

Product currently unavailable

Part no. A2124400613

Wiring Harness Mercedes W212 Dashboard Dash Wiring Cable A2124400613

Product currently unavailable

Part no. A2469008214

Radio CD Player Mercedes W176 W246 Audio Navigation Stereo Head Unit A2469008214

Product currently unavailable

Part no. 7823934-1

Mini Cooper D R55 R56 Diesel W16 1.6 109HP ECU Kit DDE 7823934 CAS3 + Key Manual

Product currently unavailable

Part no. 03C906027AR

VW Polo 6R V GTI 1.4 TSI CAVE 180HP Engine Control ECU Kit 03C906027AR Automatic

Product currently unavailable

Part no. 7800131-2

BMW X5 Series E53 3.0d M57N 218HP ECU Kit DDE 7800131 EWS3 + Key Automatic

Product currently unavailable

Part no. 9344044

Mini Cooper F54 F55 F56 F60 Radio CD Player Media Head Unit Alpine 9344044

Product currently unavailable

Part no. 7823291-2

Alternator Mini Cooper R55 R56 R57 LCI R60 Diesel N47N Generator 158A 7576956

Product currently unavailable

Part no. A1728201700

Mercedes W176 W246 USB Interface Multimedia Adapter Connector A1728201700

Product currently unavailable

Part no. 7557395-13

Mini Cooper R50 R52 W10 1.6 116HP Petrol Engine Control Unit ECU 7557395 Manual

Product currently unavailable

Part no. 4N0907063KE

Audi Q7 4M Body Control Comfort Unit Module BCM Convenience Unit ECU 4N0907063KE

Product currently unavailable

Part no. 7L5035884E

Porsche Cayenne 9PA MMI Multimedia Navigation Control Head Unit 7L5035884E

Product currently unavailable

Part no. A4479980101

Mercedes W447 Rear Boot Door Wiring Loom Harness Rubber Grommet A4479980101

Product currently unavailable

Part no. AH22-2C496-AE-1

Land Rover Discovery 4 L319 Electric Handbrake Control Unit Module AH22-2C496-AE

Product currently unavailable

Part no. A2049004711

Mercedes W204 Navigation CD Player Radio Sat Nav Head Unit A2049004711

Product currently unavailable

Part no. 7620987-1

Mini One R55 R56 LCI N16 1.6 98HP Engine ECU Kit DME 7620987 CAS 3 + Key Manual

Product currently unavailable

Part no. 8795005

Mini F55 Body Control Unit Basic Module Body Domain Controller BDC LR01 8795005

Product currently unavailable

Part no. 6820386

Mini F54 F55 F56 Operating Unit Audio Radio Control Switch Panel 6820386

Product currently unavailable

Part no. 8507924

Gearbox Wiring BMW F20 F30 125d 325d N47S1 Engine Loom Harness Cables 8507924

Product currently unavailable

Part no. 8P0862335H

Audi A4 B7 Bluetooth Interface Phone Conectivity Control Module 8P0862335H

Product currently unavailable

Part no. 6910920

Mini Cooper One R50 R53 Heater Temperature Control Actuator 0132801166

Product currently unavailable

Part no. 4M0907428F

Audi A5 F5 Camera Control Module Unit ECU 4M0907428F

Product currently unavailable

Part no. 5Q0937084CQ-1

VW Volkswagen Tiguan 5n Crafter SY Body Control Module Unit ECU 5Q0937084CQ

Product currently unavailable

Part no. 8519663-7

Mini Cooper SD R55 R56 LCI R60 N47N Diesel Engine ECU Kit DDE CAS 3 Key 8519663

Product currently unavailable

Part no. 8580307

BMW X1 E84 18dX Diesel N47N Engine Control Unit Module ECU DDE 8580307 Manual

Product currently unavailable

Part no. 7806779-1

MINI Cooper One D R55 R56 Alternator Generator Diesel 150A 7794970

Product currently unavailable

Part no. A2215407545

Mercedes W221 Parking Aid Sensors Control Unit Module A2215407545

Product currently unavailable

Part no. C1BT-19G490-CC

Ford Fiesta Mk7 Reverse Camera C1BT19G490CC

Product currently unavailable

Part no. 6977681

BMW E60 E61 E63 X3 E83 F25 Cigarette Lighter Power Socket 12V 6917701

Product currently unavailable

Part no. 7553009-1

Alternator Generator Mini R56 Petrol Engine Motor Bosch 150A 7553009 DRA0214

Product currently unavailable

Part no. 7933357

Headlight Module BMW F40 LED Headlamp Control Unit Lear FLM 2 LOW 7933357

Product currently unavailable

Part no. 7E0945096T-2

VW Volkswagen Transporter T6 Rear Tail Light Wiring Harness Right O/S 7E0945096T

Product currently unavailable

Part no. 1K0937517

Audi RS3 8V Potential Power Distribution Junction Box Jump Point 1K0937517

Product currently unavailable

Part no. 7579142-4

BMW E87 LCI E90 120i 320i Petrol N43 170HP ECU Kit DME 7579142 CAS3 Key Manual

Product currently unavailable

Part no. 8F0035223C

Audi A5 S5 8F Sound System Audio Amplifier Amp Unit Bang & Olufsen 8F0035223C

Product currently unavailable

Part no. 6976989

Mini Cooper One R52 Body Control Unit Basic Module BC1RD 6976989

Product currently unavailable

Part no. 9232534

BMW F10 F11 Front Bumper PDC Wiring Loom Cable Harness 9232534

Product currently unavailable

Part no. 9227172

BMW X6 Series E71 ECU Body Control Module Junction Box PL4 9227172 61359227172

Product currently unavailable

Part no. A6511503633

Mercedes W212 OM651 Diesel Engine Wiring Harness Loom Cable A6511503633

Product currently unavailable

Part no. A2038201285

Mercedes-Benz C-Class W203 Front Right Door O/S Control Unit Module A2038201285

Product currently unavailable

Part no. A6519007500-11

Mercedes W204 C 200 CDI 651.913 136HP Engine Unit ECU Kit A6519007500 Key Lock

Product currently unavailable

Part no. 9271716-1

BMW F20 F30 Head Unit Radio CD Player Multimedia Control Unit Alpine 9271716

Product currently unavailable

Part no. 8506444-2

BMW E90 E91 LCI E92 330d Diesel N57 245HP ECU Engine Kit DDE 8506444 CAS3 + Key

Product currently unavailable

Part no. A2218707526

Mercedes W221 Air Module Control Unit ECU SRS Module A2218707526

Product currently unavailable

Part no. 9258173-1

Radio CD BMW E87 E90 E91 LCI Professional Bluetooth Player Control Unit 9258173

Product currently unavailable

Part no. 8K0959760D

Audi A5 8T Front Driver Site Module Control Unit Seat Adjustment Seat 8K0959760D

Product currently unavailable

Part no. 7797521-1

BMW E60 E61 E63 E65 E83 Alternator Generator Lucas 170A LRA02319

Product currently unavailable

Part no. A1718203126

Mercedes SLK R171 Front Air Module SRS Control Unit ECU A1718204126

Product currently unavailable

BMW E60 E61 LCI E81 E82 E84 E87 LCI E90 E91 N47 Diesel Starter Motor 7798006

-9%

Part no. 7798006-2

BMW E60 E61 LCI E81 E82 E84 E87 LCI E90 E91 N47 Diesel Starter Motor 7798006

Product currently unavailable

Part no. A1718206926

Mercedes SLK R171 Door Module Front Left Control Module A1718206926

Product currently unavailable

Part no. 1K3971121J

VW Golf Mk5 3D Front Door Wiring Loom Harness Passenger's Side 1K3971121J

Product currently unavailable

Part no. 8H22-10F845-AA

Land Rover Range Rover L322 Bluetooth Phone ECU Control Module 8H22-10F845-AA

Product currently unavailable

Part no. 7634297

BMW F20 116i 118i N13 Petrol Engine ECU Control Unit Module DME 7634297

Product currently unavailable

Part no. 8C1T-18C815-AE

Ford Transit Mk7 Radio CD Player 6000 CD Stereo Audio System 8C1T-18C815-AE

Product currently unavailable

Part no. A1718207026

Mercedes SLK R171 Door Module Front Right Control Unit ECU A1718207026

Product currently unavailable

Part no. 9203081-1

BMW E61 LCI Light Control Unit Module LEAR LM II E6X LWR 9203081

Product currently unavailable

Part no. A6519000601-3

Mercedes Sprinter W906 313 CDI 651.955 129HP Engine ECU Kit A6519000601 Manual

Product currently unavailable

Part no. A1715403832

Mercedes SLK R171 Front Bumper Parking Sensor PDC Wiring Harness A1715403832

Product currently unavailable

Part no. A2025458440

Mercedes-Benz W202 C208 W208 Control Unit Bracket Holder Boot Trunk A2025458440

Product currently unavailable

Part no. 8L0959655L

Audi A3 S3 8L Front Crash Impact Air Module Sensor Unit Module 8L0959655L

Product currently unavailable

Part no. 9646321880

Peugeot 307 Citroen Berlingo Diesel Engine Alternator Generator 9646321880

Product currently unavailable

Part no. 9273628

BMW F11 Touring Light Control Footwell Module Unit ECU FRM III 9273628

Product currently unavailable

Part no. A2479004415

Telematics Module Mercedes W213 H243 Communication Blutooth Control A2479004415

Product currently unavailable

Part no. 06F903023N

Audi A3 8P TT 8J VW Golf Mk6 Skoda Superb Mk2 Alternator 2.0 TDI 06F903023N

Product currently unavailable

Part no. 8510591-3

BMW E81 E87 E90 LCI 120d 320d N47 ECU Kit DDE 8510591 CAS3 + Key Automatic

Product currently unavailable

Part no. 1638115880

Peugeot 307 Citroen C4 C5 1.6 HDI Diesel Engine Starter Motor 1638115880

Product currently unavailable

Part no. 1Y0959255C

Volkswagen New Beetle Convertible Roof Control Module Control Unit 1Y0959255C

Product currently unavailable

Part no. 6853992

BMW X3 F25 ICM Control Unit Air Module SRS Airmodule ECU 6853992

Product currently unavailable

Part no. 4G0907401F-1

Audi A7 4G 3.0 TDI CDUC Quattro Engine ECU Kit BCM + Ignition + Key 04L907445F

Product currently unavailable

Part no. 8600124-7

Mini Cooper R56 LCI R60 N16 122HP Engine Control Unit ECU DME 8600124 Manual

Product currently unavailable

Part no. 8385987

BMW X5 E53 Support Bracket Navigation Computer 8385987

Product currently unavailable

Part no. A1645403572

Mercedes ML W164 W251 Fuse Box Relay Module Control Unit A1645403572

Product currently unavailable

Part no. 8K2907115AE-1

Audi A4 B8 A5 8F 2.0TFSI CDNC 211HP Engine Unit ECU 8K2907115AE Manual

Product currently unavailable

Part no. CC11-199049-AA

Ford Transit Heat Shield Insulation Alternator Engine Cover CC11-199049-AA

Product currently unavailable

Part no. 06H903017T

Audi A5 8T A4 B8 Engine Alternator Generator 2.0 TFSI Petrol Engine 06H903017T

Product currently unavailable

Part no. A2046800931

Mercedes W204 Dashboard Navigation Central Display Screen Monitor A2046800931

Product currently unavailable

Part no. 8X0907063K

Audi A1 8X Body Control Module Unit ECU 8X0907063K

Product currently unavailable

Part no. 3AA962243H

Volkswagen VW Audi Tailgate Opening Boot Control Unit Module 3AA962243H

Product currently unavailable

Part no. 8200584675A

Renault Scenic 1.5 DCi Diesel Starter Motor Actuator Valeo 8200584675A

Product currently unavailable

Part no. 03L906018JH-1

Audi A5 8T 2.0 TDI CGLC Engine Unit ECU Kit 03L906018JH Key Ignition Lock

Product currently unavailable

Part no. GX63-15C859-DG

Range Rover Evoque L538 PDC Parking Distance Control Module GX63-15C859-DG

Product currently unavailable

Part no. A0005400950

Fuse Box Mercedes Sprinter W901 W902 W903 W904 Relay Control Unit A0005400950

Product currently unavailable

Part no. GK2112A650CA-2

Ford Transit Custom 2.0 EcoBlue 130HP FWD Engine ECU GK21-12A650-CA Manual

Product currently unavailable

Part no. 46858322

Peugeot Boxer II Citroen Relay III Fuse Box Control Unit Module 46858322

Product currently unavailable

Part no. A6511400800-1

Mercedes Sprinter W910 ECU Bracket Control Unit Module Holder Mount A6511400300

Product currently unavailable

Part no. 99661821900

Porsche Boxster 986 Air Module Control Unit Controller ECU 99661821900

Product currently unavailable

Part no. 9231280-TS

BMW F07 Parking Module PDC Distance Control Unit Sensor Titan Silver - 354

Product currently unavailable

Part no. 0AM911023L

Volkswagen Golf VI Audi A3 8P Engine Starter Motor 1.6 TDI 0AM911023L

Product currently unavailable

Part no. 5WA937086F

VW Volkswagen Golf Mk8 CD1 Module BCM Body Control Unit Module ECU 5WA937086F

Product currently unavailable

Part no. 9166706

BMW 1 Series E87N LCI Light Module LOW LCM Footwell Module PL2 FRM II 9166706

Product currently unavailable

Part no. A9079001703

Display Screen Mercedes W907 W910 Head Unit Touch Monitor 7" A9079001703

Product currently unavailable

Part no. 9139912

Mini Cooper One F55 F56 DAB Bluetooth Visual Boost Head Unit Basic 9139912

Product currently unavailable

Part no. 2751617

Mini R56 R57 Battery Valve Breather Vent Hose Pipe R55 2751617 1377745

Product currently unavailable

Part no. 3Q0907530AA

Audi Seat Skoda Volkswagen Gateway Control Unit Module ECU 3Q0907530AA

Product currently unavailable

Part no. 6943283

BMW E60 Light Control Unit Module LEAR LM E6X LWR 6943283

Product currently unavailable

Part no. A9069005504

Mercedes W906 Fuse Box Relay Control Unit Electric Module SAM A9069005504

Product currently unavailable

Part no. 9172364

BMW X5 Series E70 ECU Body Control Module Junction Box High PL4 JBBFEII 9172364

Product currently unavailable

Part no. 06K907425B-20

Volkswagen Golf R 5G MK7 2.0TFSI CJXC 300HP Engine Control ECU 06K907425B Manual

Product currently unavailable

Part no. A2059004236

Mercedes W205 Harman Radio Stereo CD Player Audio Sat Head Unit A2059004236

Product currently unavailable

...

Showing 14158-14256 of 17825 products