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

Audi S3 8P Body Control Comfort Unit Module BCM Convenience Unit 8P0959433C

Product currently unavailable

Part no. A0009827723-1

Mercedes W176 W204 W246 Fuse Relay 4-Pin Unit Black Hella SET X2 A0009827723

Product currently unavailable

Part no. A2479008706

Mercedes S205 W213 W247 Multi-Purpose Camera Control Unit Module A2479008706

Product currently unavailable

Part no. 5QA919283G

Audi A3 8V Park Parking Assist PDC Distance Control Unit Module 5QA919283G

Product currently unavailable

Part no. A1685400082

Mercedes-Benz A-Class W168 Control Box Unit Cover Front A1685400082

Product currently unavailable

Part no. 7624619

BMW F10 Cable Generator Alternator Starter Base B+ 7624619

Product currently unavailable

Part no. 9221109-2

BMW E60 Body Gateway Module Control Unit KGM E6X High D-Can Lear 9221109

Product currently unavailable

Part no. 9128184

BMW E90 Xenon Footwell Light Module Control Unit ECU PL2 FRMFA 9128184

Product currently unavailable

Part no. 8645325-2

BMW F20 F21 F30 F31 LCI F32 F33 F34 Alternator Petrol Engine Unit 180A 8645325

Product currently unavailable

Part no. 8573257-7

BMW F30 F31 320d ed Diesel N47N 163HP ECU Kit DDE 8573257 + Key + FEM Automatic

Product currently unavailable

Part no. 6954007

BMW E60 E61 E63 E64 E65 PDC Parking Control Module Unit ECU 6978232

Product currently unavailable

Part no. 8519663-8

Mini Cooper SD R60 ALL4 N47N 143HP Engine ECU Kit DDE 8519663 Manual CAS3 + Key

Product currently unavailable

Part no. A2218211251

Mercedes W221 Dashboard Instrument Cluster Panel Button Switch A2218211251

Product currently unavailable

Part no. 2K0915181

VW Volkswagen Caddy Maxi 2k Battery Wiring Negative Cable Terminal 2K0915181

Product currently unavailable

Part no. 4F0915459

Audi A6 C6 Battery Positive Plus Pole Terminal Lead Overload 4F0915459

Product currently unavailable

Part no. 9176685-1

BMW X3 Z4 E83 E85 Mini R50 R52 DVD GPS Navigation System Computer Unit DAMAGE

Product currently unavailable

$Seat Alhambra 7N Diagnosis Intefrace Gateway Control Module ECU Unit 7N0907530BK$

Part no. 7N0907530BK

Seat Alhambra 7N Diagnosis Intefrace Gateway Control Module ECU Unit 7N0907530BK

Product currently unavailable

Part no. 8519663-1

Mini Cooper SD R56 LCI N47N 143HP Diesel Engine ECU Kit DDE 8519663 Automatic

Product currently unavailable

Part no. 3C8959760E

Volkswagen VW Passat B7 Driver's Seat Control Unit Module ECU 3C8959760E

Product currently unavailable

Part no. 9305738

BMW E88 Body Control Comfort Unit Module BCM Unit ECU 9305738

Product currently unavailable

Part no. 9315685

BMW 1 2 3 4 Series F20 F21 F22 F30 F31 F32 F36 Module Control Unit FEM 9315685

Product currently unavailable

Part no. A6421507733

Mercedes ML W164 OM642 Diesel Engine Wiring Loom Harness Cable A6421507733

Product currently unavailable

Part no. A6396890379

Mercedes Viano Vito W639 Radio Fan Adapter Control Unit Module A6396890379

Product currently unavailable

Part no. 8R0919604A

Audi A5 8T Multimedia Radio Sat Nav Screen Display Head Unit 8R0919604A

Product currently unavailable

Part no. A2139003029

Mercedes A238 Fuse Box Control Unit SAM Module Relay A2139003029

Product currently unavailable

Part no. 3D0909610B

VW Volkswagen Phaeton 3D Rear Tailgate Boot Lid Control Module Unit 3D0909610B

Product currently unavailable

Part no. A2475407600

Fuse Box Cover Mercedes W177 W247 Engine Compartment Housing Holder A2475407600

Product currently unavailable

Part no. 8K0915181L

Audi A1 8X Negative Battery Terminal 8K0915181L

Product currently unavailable

Part no. 6934410

BMW E46 Radio CD GPS Player Multimedia Display Screen Head Unit 6934410

Product currently unavailable

Part no. A2086900028

Mercedes-Benz W202 C208 Roof Alarm Motion Sensor Cover Trim Grey A2086900028

Product currently unavailable

Part no. A2469001106

Display Screen Mercedes W176 W246 Radio Navigation Sat Nav Head Unit A2469001106

Product currently unavailable

Part no. CS7T-14D212-AD

Ford Fiesta Mk7 Bluetooth Voice Box Control Module Connectivity CS7T-14D212-AD

Product currently unavailable

Part no. 6917134

BMW 7 Series E65 E66 Seat Occupancy Sensor Mat Electronic Control Unit 6917134

Product currently unavailable

Part no. 4G0971225G

Audi A6 C7 Power Lead Battery Positive Cable Wiring Harness Loom 4G0971225G

Product currently unavailable

Part no. 9167201

BMW E60 E61 LCI E63 E64 Body Gateway Module ECU Control Unit 9167201

Product currently unavailable

Part no. 4G0035061H

Audi A5 8T Head Unit Radio Player Navigation Control Module 4G0035061H

Product currently unavailable

Part no. 9143440

CD Changer BMW E65 E66 6-fold CD Disc Changer Without Magazine 9143440

Product currently unavailable

Part no. A2129009605

Fuse Box Mercedes W204 W212 Diesel Front Sam Control Module Unit A2129009605

Product currently unavailable

Part no. 99661821002-2

Porsche Boxster 986 911 996 Interior Alarm Monitoring Sensor 99661821002

Product currently unavailable

Part no. 6928362-1

BMW E60 E61 LCI Front Bumper PDC Loom Cables Wiring Set 6928362

Product currently unavailable

Part no. 6821206

BMW F45 F46 F48 Battery Cable IBS Negative Battery Lead 6821206

Product currently unavailable

Part no. 8379279

BMW E38 Radio Business RDS Cassette Audio Player Head Unit 8379279

Product currently unavailable

Part no. 03L903017B

Audi Q5 8R 2.0 TDI Quattro Alternator Generator 03L903017B

Product currently unavailable

Ford Transit Mk7 Engine StarterMotor 2.2 TDCI RE6C1T-11000-AE

-1%

Part no. 1748650

Ford Transit Mk7 Engine StarterMotor 2.2 TDCI RE6C1T-11000-AE

Product currently unavailable

Part no. 4M51-10723-BC

Ford Kuga Mk1 C394 Battery Tray Box Cover Housing Trim Panel 4M51-10723-BC

Product currently unavailable

Part no. 3455895-1

Mini Cooper One R57 Footwell Light Module Low EKS ECU PL3 FRM3R 3455895

Product currently unavailable

Part no. 575035736A

Seat Ibiza FR Double USB C Charging Port Socket Connection 575035736A

Product currently unavailable

Part no. 6988303

BMW F20 F30 E60 E65 X5 E70 X6 E71 E84 Air Wiring Sensor Quality AUC 6988303

Product currently unavailable

Part no. 7603567-1

Battery Cable BMW X5 X6 E70 E71 IBS Negative Battery Lead Cable 9164357

Product currently unavailable

Part no. A0009004434

Mercedes W177 W247 Telematics Bluetooth Module Control Unit ECU A0009004434

Product currently unavailable

Part no. 6782283-1

BMW E81 E87 E90 E91 E92 E93 Active Steering Control Unit Module 1277022065

Product currently unavailable

Part no. 8486844-1

Mini One F56 B38 102HP Petrol Engine ECU Control Unit Kit DDE 8486844 BDC Key

Product currently unavailable

Part no. A2518200756-1

Mercedes W169 W204 C207 Front Fog Light Wiring Harness Plug Left N/S A2518200756

Product currently unavailable

Part no. 6C1T18C815AJ

Ford Transit MK7 Radio 6000 CD Player Stereo Head Unit 6C1T18C815AJ

Product currently unavailable

Part no. 8792852

BMW G01 F97 G02 F98 Door Cable Wiring Passenger Door Loom Harness 8792837

Product currently unavailable

Part no. 8W6907217E

Audi A5 F5 Front Windscreen Windshield Lane Assist Camera 8W6907217E

Product currently unavailable

Part no. 0001123044

Volkswagen VW Golf VI Passat B6 2.0 TDI Diesel Engine Starter Motor 0001123044

Product currently unavailable

Part no. X3E83REARWIRINGLOOMPDC

BMW X3 E83 Rear Bumper Wiring Loom PDC Harness Parking Sensor

Product currently unavailable

Part no. 7606628

BMW F10 M5 F06 F12 F13 M6 S63N Engine Alternator Generator 14V 210A 7606628

Product currently unavailable

Part no. 5Q0937125G

Seat Ateca Fuse Relay Box Engine Bay Supply Unit 5Q0937125G

Product currently unavailable

Part no. A2389000501

Mercedes A238 Convertible Folding Top Roof ECU Module Control Unit A2389000501

Product currently unavailable

Part no. 95B907515

Porsche Macan 95B Antenna Amplifier Control Unit Module Holder Bracket 95B907515

Product currently unavailable

Part no. 5E0919605J

Skoda Octavia 5E Sat Navi Stereo Radio Audio Head Unit Player Screen 5E0919605J

Product currently unavailable

Part no. 5Q0959655A

Audi A3 8V Air Module Control Unit SRS System ECU 5Q0959655A

Product currently unavailable

Part no. 7567321

BMW E81 E87 LCI E90 116i 316i 1.6 N45N ECU Control Unit DME 7567321 Manual

Product currently unavailable

Part no. A6421508100-2

Mercedes W251 R 350 CDI 642.950 224HP Engine Unit ECU Kit A6421508100 Key + Lock

Product currently unavailable

Part no. 4H0907801F

Audi A6 C7 Parking Brake Handbrake Module Control Unit 4H0907801F

Product currently unavailable

Part no. 9335306

BMW F20 F21 LCI Wiring Loom Harness Rear Trunk Lid Right O/S 9251725

Product currently unavailable

Part no. 8W8959107B

Audi Q5 FY Rear Boot Trunk Lid Tailgate Control Unit Module ECU 8W8959107B

Product currently unavailable

Part no. 7S71-13K031-BG

Ford Mondeo Mk4 Electronic Headlight Control Module Unit 7S71-13K031-BG

Product currently unavailable

Part no. 8473185-2

BMW F20 F30 LCI 118d 318d B47 150HP Engine ECU Kit DDE 8473185 FEM Key Automatic

Product currently unavailable

Part no. 9197316

BMW E60 E61 LCI E63 E64 Body Gateway Module ECU Control Unit

Product currently unavailable

Part no. 9204532

BMW E91 LCI ECU LED NSW Light Module Control Unit PL2 FRM II 9204532

Product currently unavailable

Part no. 240804802R

Earth Ground Cable Renault Master Vivaro Line Strap Battery Lead 240804802R

Product currently unavailable

Part no. 7553735-5

MINI R50 R52 One 1.6i 90HP Engine ECU Kit DME 7553735 + Key + EWS Manual

Product currently unavailable

Part no. 9266383

Display Screen BMW F12 F13 Central Information Monitor 10" Multimedia 9266383

Product currently unavailable

Part no. 9346795

Amplifier BMW F06 F13 Antenna Amplifier Diversity 868 MHZ 9346795

Product currently unavailable

Part no. A1665408332

Mercedes W166 Parking Sensor Wiring Loom Cable Harness Front PDC A1665408332

Product currently unavailable

Part no. A1695403733

PDC Wiring Mercedes W169 W245 Front Bumper Parking Sensor Loom Cable A1695403733

Product currently unavailable

Part no. A6511501879-5

Mercedes Vito W639 2.2 CDI 651.940 4-Matic ECU Kit Engine A6511501879 Key Lock

Product currently unavailable

Part no. 7P6919475C

Volkswagen Touareg 7P PDC Parking Distance Control Module 7P6919475C

Product currently unavailable

Part no. 5F0907159C

Seat Leon Mk3 III Cupra 5F Body Sound Control Module Unit 5F0907159C

Product currently unavailable

Part no. 7566297

Transfer Box Module BMW X5 X6 E70 E71 Control Unit ECU ATC700 7566297

Product currently unavailable

Part no. 9663798380

Peugeot 207 Fuse Box BSI Control Unit Module 9663798380

Product currently unavailable

Part no. 7176068

BMW X3 E46 E63 E83 Mini R50 R53 Control Unit Xenon Light 1307329074

Product currently unavailable

Part no. 9176886

BMW 3 Series E91 ECU Body Control Module H4 Electronic Box 61359176886 9176886

Product currently unavailable

Part no. 9141682

BMW 1 3 Series E81 E87 E87N E90 E91 Radio BMW Business CD 65129141682 9141682

Product currently unavailable

Part no. 8K0907401

Audi A5 8T 3.0 TDI CAPA Quattro 239HP Engine Control ECU 8K0907401 Manual

Product currently unavailable

Part no. A0018200826

Mercedes SLK R170 W202 W210 Module Control Unit SRS Sensor ECU Bosch A0018200826

Product currently unavailable

Part no. BK2T15607AC

Immobilizer Antenna Ford Transit MK8 Control Module Unit BK2T15607AC

Product currently unavailable

Part no. 7520019-3

Mini Cooper R50 W10 116HP Engine ECU Kit DME 7520019 + EWS 3 + Key Manual

Product currently unavailable

Part no. 038906016AJ

VW Volkswagen Transporter T5 1.9 TDI Diesel Engine Control Unit ECU 038906016AJ

Product currently unavailable

Part no. 6983067

BMW E66 E67 Airbag ECU Control Unit Gateway Module 6983067

Product currently unavailable

Part no. 7588620-4

BMW E60 E90 330i 530i N53 272HP ECU Kit Control DME 7588620 CAS3 Key Automatic

Product currently unavailable

Part no. 7N0959655D

Seat Alhambra 7N VW Sharan 7N Air Control Unit ECU Module Unit 7N0959655D

Product currently unavailable

Part no. 8571357

BMW G11 G12 G20 G21 G30 G31 F33 F36 Generator Alternator 180A Bosch 8571357

Product currently unavailable

Part no. 9315897

BMW 3 4 Series F30 F31 F32 Rear Bumper PDC Cables Wiring Loom Set 9315897

Product currently unavailable

Part no. 8200584675A

Renault Scenic 1.5 DCi Diesel Starter Motor Actuator Valeo 8200584675A

Product currently unavailable

Part no. A6398200942

Mercedes-Benz Vito W639 Radio Fan Adapter Control Unit Module A6398200942

Product currently unavailable

...

Showing 14257-14355 of 18495 products