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

BMW E60 M-Audio CD Radio Player Head Unit Professional 9131710

Product currently unavailable

Part no. AC1112A650BC

Ford Transit MK7 2.4 TDCI T24DD0P Diesel Engine Control Unit ECU AC1112A650BC

Product currently unavailable

Part no. 7T1T9H589BD

Ford Connect Diesel Engine Wiring Cable Loom Harness 7T1T9H589BD

Product currently unavailable

Part no. 3456034-2

Footwell Module Mini R56 Cooper Light LOW EKS ECU PL3 FRM3R Lear 3456034

Product currently unavailable

Part no. A0111548402

Alternator Generator Mercedes W203 M111 Petrol Engine Valeo 120A A0111548402

Product currently unavailable

Part no. 7990758-CAR

BMW F33 PDC Ultrasonic Parking Sensor PDC 7990758 Carbonschwarz Metallic - 416

Product currently unavailable

Part no. 7700116260

Renault Trafic II Vauxhall Vivaro A 1.9 Diesel Engine Starter 7700116260

Product currently unavailable

Part no. A6519003403-3

Mercedes Sprinter W906 OM651.955 163HP Engine Unit Module ECU A6519003403 Manual

Product currently unavailable

Part no. 7577968-5

BMW E60 E90 Z4 E85 N52 323i 523i 177HP Engine Control ECU DME Kit 7577968 Manual

Product currently unavailable

Part no. 4G5971085AF

Audi A6 C7 Rear Bumper Parking Sensor PDC Wiring Harness Loom Cable 4G5971085AF

Product currently unavailable

Part no. 9866978

BMW F20 F21 F30 F31 F32 Body Control Unit Module REM 9866978

Product currently unavailable

Part no. 9145007

BMW E87 E90 X3 E83 Hands-free Electronics Charging Module ULF 9145007

Product currently unavailable

Part no. A2048704526

Door Module Mercedes W204 Rear Left N/S Control Unit Module A2048704526

Product currently unavailable

Part no. 2354706-1

BMW 1 3 X1 X3 E83 E84 E87 E90 E91 N45 N46 Petrol Enigne Starter Motor 1,1 kW

Product currently unavailable

Part no. 7P6035670E

VW Volkswagen Touareg 7P CD Radio Stereo Head Unit Panel 7P6035670E

Product currently unavailable

Part no. A2465402705

Mercedes W176 Door Harness Loom Cable Wiring Front Left Right N/O/S A2465402705

Product currently unavailable

Part no. 1432978

BMW E39 Alternator Generator 14V 50/90A 1432978

Product currently unavailable

Part no. 9231928

Radio Professional BMW E81 E82 E87 E88 E90 E91 E92 E93 Autoradio CD 9231928

Product currently unavailable

Part no. 6980246

BMW X5 E53 Onboard Computer Navigation System Monitor Widescreen 6980246

Product currently unavailable

Part no. 7794952

BMW E60 M57 Engine Starter Motor 7794952 0001115041

Product currently unavailable

Part no. A0005427700

Mercedes GLE C292 Coupe Parking PDC Sensor Display Device Unit A0005427700

Product currently unavailable

Part no. A1669006507

Door Module Mercedes ML W166 C292 Rear Right O/S Door Control Unit A1669006507

Product currently unavailable

Part no. A0141541302

Alternator Mercedes W164 W221 W251 Engine Generator 220A Valeo A0009063522

Product currently unavailable

Part no. 6H5214C708AD

Land Rover Freelander 2 Front Seat Module Memory Control Unit 6H5214C708AD

Product currently unavailable

Part no. 3450280

Mini Cooper One R56 Footwell Light Module High ECU PL3 FRM II 3450280

Product currently unavailable

Part no. 4F0919603B

Audi A6 C6 Display Screen Multimedia Navigation Dashboard Unit 4F0919603B

Product currently unavailable

Part no. 8M5T-19G488-AK

Ford Mondeo MK4 Galaxy S-Max Bluetooth Voice Control Module 8M5T-19G488-AK

Product currently unavailable

Part no. A1635403033

Mercedes-Benz M ML W163 Front Left Right Door Wiring Loom Harness A1635403033

Product currently unavailable

Part no. 8K0955557B

Audi A5 8T Crash Impact Sensor Unit Module Air Unit 8K0955557B

Product currently unavailable

Part no. A1695405645

Mercedes W169 SAM Control Module Fuse Box Unit A1695405645

Product currently unavailable

Part no. 7505995-1

BMW E46 Petrol Engine Starter Motor 1,4kW 7505979

Product currently unavailable

Part no. 5WA971230CM

Battery Cable VW Golf 8 Audi A3 8Y Starter Alternator Wiring Harness 5WA971230CM

Product currently unavailable

Part no. 575035736

Seat Ateca Double USB C Charging Port Socket Connection Module 575035736

Product currently unavailable

Part no. A2115453532

Mercedes W211 Body Control Module BCM Comfort Module Unit A2115453532

Product currently unavailable

Part no. 4G0907159B

Audi S7 4G8 Alarm Signal Body Sound Impact Control Module Unit 4G0907159B

Product currently unavailable

Part no. A1649063500

Mercedes ML W164 Head Unit Sat Nav GPS CD Audio Radio Player A1649063500

Product currently unavailable

Part no. 5A31DE9

BMW F40 Telematics Bluetooth Control Module Unit 5A31DE9

Product currently unavailable

Part no. 5E0919605B

Skoda Octavia 5E Sat Navi Stereo Radio Audio Head Unit Player 5E0919605B

Product currently unavailable

Part no. 03L907309M

Volkswagen Transporter T5 2.0 TDI CAAB 102HP Engine Unit ECU 03L907309M Manual

Product currently unavailable

Part no. 5A071E5

BMW G20 G30 X3 G01 X4 G02 Head Unit High 3 Multimedia Module Harman 5A071E5

Product currently unavailable

Part no. 9189200

BMW 1 3 Series E81 E87 E90 E91 E92 Radio Professional CD Audio Player 9189200

Product currently unavailable

Part no. 2622598

BMW F20 F21 F23 F30 F31 F32 Telematics Control Unit Module ATM ECE 4G 2622598

Product currently unavailable

Part no. A2535402400

Mercedes X253 Front Bumper Parking Sensor Wiring Loom Cable Harness A2535402400

Product currently unavailable

Part no. 9209172

BMW X3 F25 X4 F26 Optical Ladder Conductor Cable Wire Unit 9209172

Product currently unavailable

Part no. 7527610-18

Mini Cooper R50 W10 116HP Petrol Engine Control Unit ECU DME 7527610 Automatic

Product currently unavailable

Part no. 7519308-1

BMW X5 E53 3.0i Petrol M54 231HP Engine ECU Kit DME 7519308 EWS3 Key Automatic

Product currently unavailable

Part no. 1368035080

Battery Tray Citroen Relay Fiat Ducato Battery Housing Box Tray 1368035080

Product currently unavailable

Part no. 06K907425J

Audi S3 8V 2.0 TFSI 300HP DNUE Quattro Engine Module ECU 06K907425J Automatic

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. 4B0057186PX-1

Audi TT 8N Radio Stereo Player Head Unit Chorus 4B0057186PX

Product currently unavailable

Part no. A6519007401-4

Mercedes Vito W639 OM651.955 129HP Engine Control Unit Module A6519007401

Product currently unavailable

Part no. 9193753-1

BMW E81 E87 LCI Board Monitor Central Information Display 6,5" 9193753

Product currently unavailable

Part no. 8510592-5

BMW E81 E87 E90 LCI 118d 318d N47 143HP ECU Kit DDE 8510592 CAS3 Key Manual

Product currently unavailable

Part no. 8V41-13405-AH-2

Ford Kuga C394 Rear Light Outer Taillight Left Cable Wire Plug N/S 8V41-13405-AH

Product currently unavailable

Part no. GK2T-15604-FAJ

Ford Transit Mk8 BCM Fuse Box Module Control Unit 2.0 Diesel GK2T-15604-FAJ

Product currently unavailable

Part no. A2118701985

Mercedes W211 Door Module Front Left N/S Control Unit ECU A2118701985

Product currently unavailable

Part no. 6850375

BMW 1 3 Series E81 E87 LCI E88 E90 M3 E92 Speed Cluster Sensor 6780334

Product currently unavailable

Part no. 9242502

BMW E81 E82 E87 E88 E90 E91 Radio Professional CD Player 9242502

Product currently unavailable

Part no. 4M5Q6M091AB

Ford Focus MK2 Mondeo MK4 1.8 TDCI Glow Plug Wiring Loom Cable Wire 4M5Q6M091AB

Product currently unavailable

Part no. 8P0971085A

Audi A3 8P Rear Bumper PDC Parking Sensor Wiring Harness Loom 8P0971085A

Product currently unavailable

Part no. 9221719

Mini Cooper R55 R56 R60 CAS 3 ECU Control Unit Key Reading Module 9221719

Product currently unavailable

Part no. 06H911024B

Audi A5 8T 2.0 CNCD Petrol Starter Motor 06H911024B

Product currently unavailable

Part no. 6905874

BMW X5 E53 Light Check Module Control Unit ECU Lear LCM III W / MAN. LWR 6905874

Product currently unavailable

Part no. 8X0907063R

Audi A1 8X Central Gateway Control Unit Module Relay Supply ECU 8X0907063R

Product currently unavailable

Part no. HR3T-14G370-KFA

Ford Mustang GT Mk6 Sat Nav Multimedia Display Screen HR3T-14G370-KFA

Product currently unavailable

Part no. 7P0959655E

Volkswagen Touareg 7P Air Module ECU Control Module Unit 7P0959655E

Product currently unavailable

Part no. 6888037

BMW 1 3 5 Series F10 F20 F30 VDC Rear M Sport Suspension Control Unit Module

Product currently unavailable

Part no. 23127JG71B

Alternator Nissan Qashqai 2.0 dCi Diesel Engine Alternator 12V 150A 23127JG71B

Product currently unavailable

Part no. 4G0907355F

Audi A7 4G Fuse Box Relay Control Unit Module 4G0907355F

Product currently unavailable

Part no. 4H0907064FB

Audi A8 D4 BCM Module Body Control Unit Convenience ECU 4H0907064FB

Product currently unavailable

Part no. A0009015303

Fuel Pump Control Mercedes C118 C167 W177 W247 Module ECU Receiver A0009008214

Product currently unavailable

Part no. 7P6959107C-1

VW Volkswagen Touareg 7P Rear Boot Lid Tailgate Control Module Unit 7P6959107C

Product currently unavailable

Part no. A2821503400

Mercedes W177 Turbo Engine Wiring Warness Loom A2821503400

Product currently unavailable

Part no. A2118702489

Audio Amplifier Mercedes W211 Audio Gateway Control Unit Module A2118702489

Product currently unavailable

Part no. A1669006311

Mercedes W166 Tailgate Control Module Unit A1669006311

Product currently unavailable

Part no. A0005458416

Mercedes W639 Automatic Gearbox Control Unit Module ECU A0005458416

Product currently unavailable

Part no. 7500255

BMW E39 523i E46 323Ci M52 170HP Engine ECU Module DME 7500255 Automatic

Product currently unavailable

Part no. 6989588

BMW 3 X1 Series E91 LCI E84 Switch Cluster Cruise Control Stalk Unit 6989588

Product currently unavailable

Part no. A1669008222

Mercedes GLA X156 Central Display Infotainment Sat Nav Media Screen A1669008222

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. 02Z911024K

VW Volkswagen Caddy Maxi 1.6 TDI Diesel Starter Motor 02Z911024K

Product currently unavailable

Part no. 9360501-2

Distribution Fuse Box BMW F40 F48 Mini F56 Rear Electric Power Fuse Box 9360501

Product currently unavailable

Part no. 9166667

BMW X5 E70 Footwell ECU Light Control Unit Module FRM II Lear 9166667

Product currently unavailable

Part no. 8P0971679L

Audi A3 8P Dashboard Glove Box Wiring Loom Harness 8P0971679L

Product currently unavailable

Part no. A0009063322-1

Alternator Generator Mercedes W176 W246 OM651 Diesel Engine 175A A0009063322

Product currently unavailable

Part no. 9670855680

Peugeot Partner Diesel Glow Plug Wiring Loom Cable Wiring 9670855680

Product currently unavailable

Part no. 6973114

BMW E81 E87 E90 E91 E92 LCI Parking Control Module Unit PDC 6973114

Product currently unavailable

Part no. 8F0959255

Audi A5 8F Convertible Folding Roof Module Control Unit 8F0959255

Product currently unavailable

Part no. 9198826-1

BMW E81 E87 E90 LCI Professional Navigation System Car Computer CIC 9198826

Product currently unavailable

Part no. 9657700780

Peugeot 307 Citroen Berlingo C4 Glow Plug Wiring Loom Cable Wire 9657700780

Product currently unavailable

Part no. A2139008409

Seat Module Mercedes W213 C238 Memory Control Unit Left Right N/O/S A2139008409

Product currently unavailable

Part no. 81A035382

Audi Q2 GA Rear Centre Loudspeaker Subwoofer 81A035382

Product currently unavailable

Part no. 7581123-1

BMW E81 E87 LCI 130i N52N 258HP Engine ECU Kit DME 7581123 + CAS3 + Key Manual

Product currently unavailable

Part no. A0009004007

Mercedes W204 W222 Fuel Pump Control Unit Module A0009004007

Product currently unavailable

Part no. 3450937

Mini Cooper One R56 Footwell Light Module High ECU PL3 FRM II 3450937

Product currently unavailable

Part no. 8517727-3

Mini Cooper D R60 ALL4 112HP 1.6 N47N Engine ECU Kit DDE 8517727 + CAS3 + Key

Product currently unavailable

Part no. 7L5937049AA

Porsche Cayenne 955 Comfort Control Unit Module ECU 7L5937049AA

Product currently unavailable

Part no. A2710106644-1

Mercedes R171 SLK200 M271.944 163HP Engine Control ECU A2710106644 Automatic

Product currently unavailable

Part no. 6M2F-18C821-FD

Ford Mondeo Mk4 Galaxy Mk3 Sony DAB Radio CD Player Changer 8S7T-18C939-ME

Product currently unavailable

...

Showing 16237-16335 of 18495 products