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

Radio Player Mini Cooper One R55 R56 CD Audio Player Head Unit 3454566

Product currently unavailable

Part no. 6973983

BMW E60 E81 E87 E90 Snap-in Adapter Basic Telephone NOKIA 6230I

Product currently unavailable

Part no. 9308373

BMW X6 E71 Footwell Light Control Unit Module FRM3R LEAR 9308373

Product currently unavailable

Part no. 6G91-12A650-CG

Ford Mondeo Mk4 Engine Control Unit ECU 146 HP 2.0 Petrol Manual 6G91-12A650-CG

Product currently unavailable

Part no. PC3T-19J220-BC-1

VW Volkswagen Amarok Mk2 Front Door Camera Control Unit Left N/S PC3T-19J220-BC

Product currently unavailable

Part no. A1684620890

Mercedes-Benz A-Class W168 Automatic Transmission Bowden Cable A1684620890

Product currently unavailable

Part no. 7L6971071B

VW Volkswagen Touareg 7L Headlight Headlamp Adapter Cable Wiring Loom 7L6971071B

Product currently unavailable

Part no. A0185458332

Mercedes C140 Body Control Comfort Unit Module BCM Unit ECU A0185458332

Product currently unavailable

Part no. 7317512

BMW F10 Tailgate Module Rear Boot Trunk Lid Control Unit ECU 7317512

Product currently unavailable

Part no. 9257150

BMW F01 F02 F03 F10 F11 F20 F21 F30 F31 Bluetooth Module Combox Media 9257150

Product currently unavailable

Part no. L8D2-14301-AA

Land Rover Range Rover Evoque L551 Negative Battery Cable Wire L8D2-14301-AA

Product currently unavailable

Part no. 7520019-10

MINI Cooper R50 W10 116HP Engine ECU Kit DME 7520019 + EWS3 + Key Automatic

Product currently unavailable

Part no. 8E1971687L

Audi A4 B7 Door Harness Loom Cable Wiring Rear 8E1971687L

Product currently unavailable

Part no. A0005400650

Mercedes Sprinter W901 W638 Fuse Box Relay Control Unit Module A0005400650

Product currently unavailable

Part no. A2198201926

Door Module Mercedes C219 Front Door Left N/S Control Module A2198201926

Product currently unavailable

Part no. KK3T-15604-FAM

Ford Transit Custom BCM Body Control Module Fuse Box Unit KK3T-15604-FAM

Product currently unavailable

Part no. 8580059

Mini F56 F60 BMW F40 F39 Diesel B37 Battery Starter Alternator Wiring 8580059

Product currently unavailable

Part no. 1S7U11000BC

Starter Motor Ford Transit 2.4 TDDi Diesel Engine 1S7U11000BC

Product currently unavailable

Part no. 6941416

BMW 5 6 Series E60 E61 E63 E64 6-disc Compact CD Changer 6941416

Product currently unavailable

Part no. 7599881-14

BMW E87 LCI E90 E91 N43 116i 316i 122HP Engine Unit ECU DME 7599881 Manual

Product currently unavailable

Part no. 8V0857273N-1

Audi A3 S3 8V Navigation Multimedia Screen Display Unit 8V0857273N

Product currently unavailable

Part no. A2114409906

Antenna Wiring Mercedes W211 Rear End Antenna Wiring Harnes A2114409906

Product currently unavailable

Part no. 03E906019M-2

Volkswagen Polo 6R 1.2 Petrol CGPB 60HP Engine Control ECU Kit 03E906019M Manual

Product currently unavailable

Part no. A2539052100

Mercedes GLC C253 X253 Pedestrian Protection Pressure Crash Sensor A2539052100

Product currently unavailable

Part no. 24435922

GM Vauxhall Opel Relay 4-Pin Multi Use Glow Plug Unit Black Set 24435922

Product currently unavailable

Part no. A0051511301-1

@Starter Motor Mercedes W203 W210 W211 Diesel Engine Actuator MAWS38371

Product currently unavailable

Part no. 7328154-2

BMW F46 Rear Lamp Tillight Light Plug Socket Wiring Cable Right O/S 7328154

Product currently unavailable

Part no. 9216273-1

Auto Radio BMW E81 E87 E90 E91 Radio BMW Business CD Player Control Unit 9216273

Product currently unavailable

Part no. A1695420518

Mercedes-Benz B W245 Front Bumper Parking Distance Sensor Parktronic Primed

Product currently unavailable

Part no. A9065450003-2

Mercedes Sprinter W906 Fuse Box Cover Trim Panel Lid Grey A6395450003

Product currently unavailable

Part no. 7503505

Cable BMW E39 Petrol Engine M52 Alternator Starter Cable Wire B+ 7503505

Product currently unavailable

Part no. 1K0906093D

Volkswagen Golf Mk5 Fuel Pump Control Relay Module Unit ECU 12V 1K0906093D

Product currently unavailable

Part no. 6981946

BMW 7 E65 E66 E67 Antenna Amplifier Control Module ECU Signal Booster 6981946

Product currently unavailable

Part no. A0024463140-3

Mercedes A160 W169 M266.920 Engine Control Unit ECU A0024463140 Automatic

Product currently unavailable

Part no. 03H906032DQ

Volkswagen Passat CC 3.6 FSI BWS 300HP Engine Unit ECU Kit 03H906032DQ Automatic

Product currently unavailable

Part no. 9131778

BMW 1 Series e87 ECU BODY CONTROL MODULE H2 61359131778 9131778

Product currently unavailable

Part no. A9065454301

Mercedes Sprinter W906 Fuse Box Relay Control Unit Module A9065454301

Product currently unavailable

Part no. 8C1T14A073CG

Ford Transit MK7 Fuse Box Body Control Module ECU BCM Unit 8C1T-14A073-CG

Product currently unavailable

Part no. 6945072

BMW E90 E91 E92 Bracket CD Changer Holder Amplifier Mounting 6945072

Product currently unavailable

Part no. 7182396-1

Xenon Control Unit BMW X5 E70 E90 E91 LCI Adaptive Headlight 7189311

Product currently unavailable

Part no. 1K6941032A-2

Volkswagen Golf Mk5 Headlight Wiring Harness Cable Plug 1K6941032A

Product currently unavailable

Part no. 5A20558

BMW X2 F39 F45 F46 Automatic Gearbox ECU Control Module EGS Unit 5A20558

Product currently unavailable

Part no. A9075450100-1

Fuse Box Mercedes Sprinter W907 W910 Relay Box Fuse Box Module A9075450100

Product currently unavailable

Part no. 4L0907468

Audi A6 C6 Q7 4L Gateway Module Control Unit 4L0907468 4L0910468

Product currently unavailable

Part no. 8200404459-1

Renault Trafic II Opel Vivaro A 2.0 DCI Alternator Generator 8200404459

Product currently unavailable

Part no. 8507949

BMW X3 F25 X4 F26 N57 Fuel Injection Line Wiring Loom Harness Cable 8507949

Product currently unavailable

Part no. 8E0880201DH

Audi A5 8T Steering Wheel Air Module Driver's Side 8E0880201DH

Product currently unavailable

Part no. 4E0907181A

AUDI S8 D3 Access Start Comfort Kessy Control Module 4E0907181A

Product currently unavailable

Part no. 6500CW

Citroen Relay Peugeot Boxer Fuse Relay Electrical Box Housing Cover 6500CW

Product currently unavailable

Part no. 8N0959655B

Audi TT 8N Air Module Control Module Unit ECU 8N0959655B

Product currently unavailable

Part no. 06L911021

Audi A4 B9 2.0 TFSI CVKB Petrol Engine Starter Motor 06L911021

Product currently unavailable

Part no. 8W1907063AC

Audi A4 B8 Body Control Comfort Unit Module BCM Unit ECU 8W1907063AC

Product currently unavailable

Part no. CC1T10C652AB

Ford Transit Mk8 Negative Battery Terminal Sensor CC1T-10C652-AB

Product currently unavailable

Part no. 7550469-3

BMW E60 E61 E81 E87 LCI E90 E91 E92 E93 Alternator Petrol 180A 7550469

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. 8K5945094AA-1

Audi A4 B8 Saloon Trunk Lid Tail Light Lamp Wiring Rear Right O/S 8K5945094AA

Product currently unavailable

Part no. A2065403645

Mercedes W206 Front Door Wiring Harness Cable Left Right N/O/S A2065403645

Product currently unavailable

Part no. 04E907309AF

Volkswagen Polo 5 6R 1.2 TSI CJZC 90HP ECU Engine Control 04E907309AF

Product currently unavailable

Part no. A9069014700

Air Module Mercedes W639 W906 Control Unit ECU Air Sensor 0285011060

Product currently unavailable

Part no. 7525696

BMW X5 E53 Ground Battery Cable Alternator Starter 7525696

Product currently unavailable

Part no. 8V4T-15K868-ADD

Ford Kuga Mk1 Rear PDC Parking Sensor Wiring Harness 8V4T-15K868-ADD

Product currently unavailable

Part no. A2118701126

Mercedes W211 Front Drivers Door Left N/S Control Module A2118701126

Product currently unavailable

Part no. 9285505

Distribution Junction BMW X5 X6 F15 F16 Power Battery Control Unit 9285505

Product currently unavailable

Part no. A0355400445

Mercedes W204 W212 W221 AMG Fuel Pump Module Control Unit ECU A0355400445

Product currently unavailable

Part no. A0305454932

Mercedes-Benz E W210 Estate CDI Gearbox Control Module Unit ECU A0305454932

Product currently unavailable

Part no. A6519065200

Mercedes W910 OM651 Engine Alternator Generator Bosch A6519065200

Product currently unavailable

Part no. 6C0971349MD

Battery Cable VW Polo 6R Audi A1 8X Starter Alternator Wiring 6C0971349MD

Product currently unavailable

Part no. 9187544

BMW E91 LCI ECU Body Control Module H4 PL2 JBBFE Junction Box 9187544

Product currently unavailable

Part no. A4479001000

Mercedes Vito W447 Air Module Sensor Control Unit ECU A4479001000

Product currently unavailable

Part no. 7624619

BMW F10 Cable Generator Alternator Starter Base B+ 7624619

Product currently unavailable

Part no. 8364540-1

BMW 3 X3 Series E46 E83 1 Fuse Distribution Box 8364540

Product currently unavailable

Part no. 7C0959752Q

Volkswagen Caddy 2K Remote Key Fob Lock Switch 7C0959752Q

Product currently unavailable

Part no. A1685453532

Mercedes W168 ESP + HBA Electronic Stability Program Control Module A1685453532

Product currently unavailable

Part no. A6401540402

Alternator Generator Mercedes W169 W245 OM640 Diesel Engine 150A 14V A6401540402

Product currently unavailable

Part no. A2118701310

Mercedes W221 Hood Bonnet Light Solar Sensor Module Unit A2118701310

Product currently unavailable

Part no. AM2T-19A391-AB

Ford Focus Mk3 Bluetooth Microphone Module Wiring Loom AM2T-19A391-AB

Product currently unavailable

Part no. 3456952

MINI Cooper R55 LCI Footwell Light Module Unit High EKS PL3 FRM3R 3456952

Product currently unavailable

Part no. 5C0937819R

Volkswagen Beetle 5C Fuse Box Relay Module Unit 5C0937819R

Product currently unavailable

Part no. A0009004436

Mercedes C118 C205 C253 Automatic Gearbox Control Unit Module ECU A0009008324

Product currently unavailable

Part no. 06F903023P

Audi Volkswagen Seat Skoda Engine Alternator Generator 2.0 TDI CAGA 06F903023P

Product currently unavailable

Part no. 8U0959651

Audi Q3 8U Air Module Crash Impact Sensor Control Unit 8U0959651

Product currently unavailable

Part no. A2049001913

Mercedes W204 Head Unit Radio CD Player Audio Sat Nav Control A2049001913

Product currently unavailable

Part no. A6397600704

Mercedes Vito W639 Front Left Door N/S Lock Bowden Pull Cable A6397600704

Product currently unavailable

Part no. 9247472-2

BMW E84 ECU Body Control Module Junction Box H2 9247472

Product currently unavailable

Part no. A2048205497

Mercedes W204 Display Screen Radio Multimedia Navigation Sat Unit A2048205497

Product currently unavailable

Part no. 6873418

BMW 1 2 Series F20 F21 F30 Brake Disc Protection Plate Front Right O/S 6873418

Product currently unavailable

Part no. 0CQ907554C

Audi A3 S3 8V Rear Differential Module Quattro Control Unit 0CQ907554C

Product currently unavailable

Part no. 7513338

Mini Cooper R50 R52 Automatic Gearbox Transmission Signal Control Module 7513338

Product currently unavailable

Part no. 1729981-1

BMW 5 7 X5 E34 E38 E39 E53 Petrol Engine Starter Motor 1729981

Product currently unavailable

Part no. 8K0919475J

Audi A4 B8 PDC Assistance Parking Distance Control Module Unit ECU 8K0919475J

Product currently unavailable

Part no. 9325537

BMW 5 Series F10 Electric Parking Brake Module Cable Wiring Loom 9325537

Product currently unavailable

Part no. 9364819-3

BMW E90 Body Control Module M Junction Box PL2RR JBBFE IIIR ECU 9364819

Product currently unavailable

Part no. 9226331-1

BMW 3 Series E91 ECU Body Control Module Unit H2 61359226331 9226331

Product currently unavailable

Part no. 8T0907568B

Audi A4 B8 Blind Spot Radar Sensor Control Module Rear Left N/S 8T0907568B

Product currently unavailable

Part no. A1635422918

Mercedes W163 Air Module System Control Unit Module ECU A1635422918

Product currently unavailable

Part no. A2129006429

Mercedes SLK R172 C207 Front Fuse Box Relay Control Unit SAM Module A2129006429

Product currently unavailable

Part no. 8625241-7

BMW F20 F30 116i 316i N13 Engine Control Unit Module ECU DME 8625241 Automatic

Product currently unavailable

Part no. 8200206251-1

Nissan Primastar X83 Alternator Generator Engine Unit 8200206251

Product currently unavailable

Part no. 7599881-4

BMW E81 E87 LCI 116i 2.0 Engine Petrol N43 ECU Kit DME 7599881 CAS3 Key Manual

Product currently unavailable

...

Showing 11386-11484 of 17756 products