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

Land Rover Discovery 4 L319 Bluetooth Control Module AH42-10F845-AA

Product currently unavailable

Part no. 8510832-1

BMW E90 E91 LCI 318d Engine N47N 143HP ECU Kit DDE 8510832 CAS3 Key Automatic

Product currently unavailable

Part no. 6983539-1

BMW 5 Series E60 Light Control Unit Module LEAR LM E6X MIT AHI 6983539

Product currently unavailable

Part no. A2025400231

Mercedes CLK W202 W208 Battery Negative Earth Cable Wiring A2025400231

Product currently unavailable

Part no. 9111718

BMW 1 3 Series E81 E87 E90 Hands-Free Electronics Charging Module MULF 9111718

Product currently unavailable

Part no. 6952296-1

BMW E81 E87 E90 E91 E92 E93 Radio Business CD Unit 6952296

Product currently unavailable

Part no. 02E911024J

Skoda Superb 3V VW Golf Mk7 Starter Motor 2.0 TDI CRLB 02E911024J

Product currently unavailable

Part no. 6822582

BMW 3 Series F30 Head Unit Basic Media Navigation Headunit 6822582

Product currently unavailable

Part no. 9263798

BMW E92 LCI Footwell Xenon Light Control Module Lear FRM3R PL2 9263798

Product currently unavailable

Part no. 8678967

Mini Cooper R56 Petrol Engine Installation Wiring Loom Harness 8678967

Product currently unavailable

Part no. 8V0971553

Audi A3 8V Front Seat Side Air Module Wiring Harness Loom Cable 8V0971553

Product currently unavailable

Part no. 9230617-1

BMW F10 F11 Seat Loom Cable Lordosis Lumbar Pump Control Front Right O/S 9230617

Product currently unavailable

Mercedes W639 Fuse Box Relay Control Unit Electric Module SAM A6395450301

-0%

Part no. A6395450301-3

Mercedes W639 Fuse Box Relay Control Unit Electric Module SAM A6395450301

Product currently unavailable

Part no. YWC500280

Land Rover Range Rover L322 Light Control Module ECU Control Unit YWC500280

Product currently unavailable

Part no. 9193753-1

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

Product currently unavailable

Part no. 9182571

BMW 1 Series E82 E88 Rear Bumper Wiring Loom PDC Harness 9182571

Product currently unavailable

Part no. 3448901

Mini Cooper One R56 Footwell Light Module High ECU PL3 FRM II 3448901

Product currently unavailable

Part no. 3452092-1

Mini Cooper One R55 Footwell Light Module ECU HIGH Lear PL3 FRM II 3452092

Product currently unavailable

Part no. A2129068800-2

Mercedes W212 Radio Head Unit COMAND Navi CD DVD Player Control Unit A2129068800

Product currently unavailable

Part no. 9261590

PDC Parking Sensor BMW F20 F21 F30 Ultrasonic Front Tiefseeblau Deep Sea Blue

Product currently unavailable

Part no. 9134483

BMW E92 ECU Body Control Module Junction Box L1 PL2 JBBFE 9134483

Product currently unavailable

Part no. 7587548-1

Mini Cooper S R55 R56 N14 1.6 174HP ECU Kit DME 7587548 + CAS3 + Key Manual

Product currently unavailable

Part no. SPH-DA120

Pioneer SPH-DA120 Head Unit Apple Carplay Android Auto Bluetooth Media Player

Product currently unavailable

Part no. A0081545202

Mercedes W124 M103 Alternator Generator BOSCH 14V 70A A0131541002

Product currently unavailable

Part no. A6399000300

Mercedes Vito Viano W639 Side Sliding Door Control Unit Module ECU A6399000300

Product currently unavailable

Part no. 3450938

BMW Mini Cooper One R56 Footwell Light Module LOW ECU PL3 FRM II 3450938

Product currently unavailable

Part no. A4159064900

Alternator Generator Mercedes W415 OM607 Diesel Engine 150A 14V 231004554R

Product currently unavailable

Part no. 9285930

BMW F01 LCI Facelift Footwell Module Unit LED TEMIC FRM III 9285930

Product currently unavailable

Part no. 5Q4959593B

Seat Leon Mk3 5F Door Module Control Unit Front Driver's Side Door 5Q4959593B

Product currently unavailable

Part no. 7533270-2

BMW E90 E81 E87 E85 Alternator Generator 150A N45 N46 Petrol Engine 7533270

Product currently unavailable

Part no. 5A2A040

Pedestrian Protection Mini F55 F56 F57 Tube Impact Crash Sensor Module 5A2A040

Product currently unavailable

Part no. 6797032

BMW X3 F25 X4 F26 Front Axle Shock Absorber EDC Wiring Loom Cable 6797032

Product currently unavailable

Part no. A0018209726

Mercedes-Benz C CLK Class W203 W209 Airbag Control Unit Module ECU A0018209726

Product currently unavailable

Part no. 4E0955559C-1

Audi A6 C6 Front Windscreen Rain Light Solar Sensor Unit 4E0955559C

Product currently unavailable

Part no. 7638322-2

Mini One R56 LCI N16 98HP Engine ECU Kit DME 7638322 + CAS3 + Key Automatic

Product currently unavailable

Part no. 05L907309B-1

Audi Q2 GA 35 TDI DTTC 150HP Quattro Engine ECU Kit 05L907309B Ignition + Key

Product currently unavailable

Part no. 94860410600

Porsche Cayenne 9PA Engine Starter Motor Unit 94860410600

Product currently unavailable

Part no. 9178898

BMW 1 3 5 Series E87 LCI E90 E60 Hands Free Bluetooth Module High MULF2 9178898

Product currently unavailable

Part no. 079903021E

Audi A4 B7 4.2 BBK Petrol Engine Alternator Generator 079903021E

Product currently unavailable

Part no. A2129006624

Fuse Box Mercedes W204 Front Relay Control Unit Module SAM A2129006624

Product currently unavailable

Part no. A2229009211

Mercedes W207 A207 W212 Digital Satellite Radio Control Unit A2229009211

Product currently unavailable

Part no. 9646972280

Peugeot Boxer Citroen Relay Engine Starter Motor Diesel Valeo 9646972280

Product currently unavailable

Part no. 9123605

BMW X5 Series E70 Cable Glove Compartment Wiring Loom Harness 9123605

Product currently unavailable

Part no. 7798006-1

BMW E60 E61 E87 LCI E81 E82 X1 E84 E90 E91 N47 Diesel Starter Motor 7798006

Product currently unavailable

Part no. 8580389

BMW F40 F45 X1 F48 Mini F55 F56 F57 F60 Diesel Engine Starter Motor 8580389

Product currently unavailable

Part no. 9362848-2

BMW F20 F21 F30 F31 Bluetooth GPS Telematics Module 9362848

Product currently unavailable

Part no. A1698207926

Mercedes W169 W245 Control Unit Front Left Door N/S Module A1698207926

Product currently unavailable

Part no. 7527610-19

Mini Cooper R50 W10 116HP Engine Control Unit ECU DME Kit EWS Key 7527610 Manual

Product currently unavailable

Part no. 9230554

BMW F10 F11 Seat Loom Cable Lordosis Lumbar Pump Control Front Left N/S 9230554

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. 7500255

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

Product currently unavailable

Part no. 6962671

BMW 1 3 SERIES E82 E88 E90 LCi Switch Cluster Cruise control Stalk Unit 6962671

Product currently unavailable

Part no. A2108205710

Mercedes-Benz C E Class W202 W203 W210 Windscreen Rain Light Sensor A2108205710

Product currently unavailable

Part no. A1645403372

Mercedes ML W164 Fuse Box Relay Control Unit Rear A1645403372

Product currently unavailable

Part no. A1635457432

Mercedes-Benz ML W163 Parktronic Parking Control Unit Module A1635457432

Product currently unavailable

Part no. 9251727

BMW 1 Series F20 F21 Front Bumper PDC Loom Cables Wiring 9251727

Product currently unavailable

Part no. A1648209385

Mercedes ML W164 Door Module Front Left N/S Control Unit Module A1648209385

Product currently unavailable

Part no. 9306086

BMW F20 F21 F22 F30 F31 F32 F33 Front Seat Control Module Driver's Side 9306086

Product currently unavailable

Part no. NNW504025

Range Rover Sport L320 Air Suspension ARC Control Unit Module NNW504025

Product currently unavailable

Part no. 9261614-1

BMW F20 F21 F22 Rear Bumper PDC Ultrasonic Sensor Glacier A83 Silver Set

Product currently unavailable

Part no. 03G906021MP

VW Volkswagen Touran TDI Diesel Engine Control Unit ECU 03G906021MP

Product currently unavailable

Part no. 81A035192A

Audi A3 8V Q2 GA MMI Head Unit Sat Nav Multimedia CD Player 81A035192A

Product currently unavailable

Part no. 5QA919283A

Audi A3 S3 8V VW Golf 7 Seat Leon 3 Parking Assist PDC Control Module 5QA919283A

Product currently unavailable

Part no. 9131778

BMW 1 Series e87 ECU BODY CONTROL MODULE H2 61359131778 9131778

Product currently unavailable

Part no. A0009062100

Mercedes W212 Engine Alternator Generator A0009062100

Product currently unavailable

Part no. 9290014

BMW X3 F25 Light Module Control Footwell ECU Unit FRM3 9290014

Product currently unavailable

Part no. 55189816

Fiat Doblo 1.9 JTD Engine Ignition Coil Wiring Harness 1439207

Product currently unavailable

Part no. 4E0035223N

Audi A8 D3 Amplifier BOSE Audio Sound System Module 4E0035223N

Product currently unavailable

Part no. 8518167-1

BMW E81 E87 E90 LCI 118d 318d N47 ECU Engine Control Kit DDE 8518167 Manual

Product currently unavailable

Part no. A6519003603-2

Mercedes Sprinter W907 314 CDI OM651.958 143HP ECU Engine Unit A6519003603

Product currently unavailable

Part no. 7P6035730E

Volkswagen VW Golf Mk6 5K Bluetooth Interface Control Module ECU 7P6035730E

Product currently unavailable

Part no. 8634166

Alternator BMW G20 G30 G14 B47 B48 B58 B46 Alternator 180A 14V 8634166

Product currently unavailable

Part no. 8695512

BMW F80 M3 F82 F83 M4 S55 431hp Engine Control Unit ECU DME 8695512 Dual Clutch

Product currently unavailable

Part no. A2059008304

Mercedes W205 SAM Module Rear Body Comfort Control Unit ECU A2059008304

Product currently unavailable

Part no. 6884287

BMW F82 F80 F34 Sensor Lane Change Warning Module Master Rear Right O/S 6884287

Product currently unavailable

Part no. A2059007815

Mercedes W205 Radio Audio Navi GPS Head Unit A2059007815

Product currently unavailable

Part no. 9203082-1

BMW 5 6 7 E60 E63 E65 Adaptive Light Control Unit Module LM E6X 9153273

Product currently unavailable

Part no. 8582280-9

BMW F20 F30 F31 118d 318d N47N 143HP Engine Unit ECU DDE Kit 8582280 FEM + Key

Product currently unavailable

Part no. A2059006502

Mercedes W205 Front Seat Adjustment Control Module Passenger Side A2059006502

Product currently unavailable

Part no. 3452678

Mini Cooper R56 Footwell Light Module ECU LOW EKS Lear PL3 FRM II 3452678

Product currently unavailable

Part no. A1715451701

Mercedes SLK R171 Fuse Box SAM Relay Control Unit Module A1715451701

Product currently unavailable

Part no. 6939287

BMW E60 E61 E63 Air Module ECU Control Unit Centre Vehicle Sensor 6939287

Product currently unavailable

Part no. A6549009900

Glow Plug Relay Mercedes W177 Diesel OM654 Preglow Module A6549009900

Product currently unavailable

Part no. 8K0959760D-1

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

Product currently unavailable

Part no. A6511500186

Mercedes W212 Engine Wiring Harness Cable Loom A6511500186

Product currently unavailable

Part no. BK2Q-6M091-BA

Ford Transit Mk7 Glow Plug Ignition Wiring Loom 2.2 TDCI Diesel BK2Q-6M091-BA

Product currently unavailable

Part no. A2781506020

Cable Beam Mercedes W166 W212 W221 Engine Wiring Harness Loom A2781506020

Product currently unavailable

Part no. 8K0907551-3

Audi S5 8F 3.0 TFSI 333HP CAKA Quattro Engine Control Unit ECU 8K0907551

Product currently unavailable

Part no. 2706050200

Lexus LS400 1UZFE V8 Petrol Engine Alternator Generator Denso 2706050200

Product currently unavailable

Part no. 9133913

BMW Z4 E89 Roadster Convertible HiFi Speaker System Amplifier 9133913

Product currently unavailable

Part no. A1669008506

Seat Module Mercedes W176 W246 Control Unit Front Left Right N/O/S A1669008506

Product currently unavailable

Mercedes W203 C209 W211 W220 Alternator 200A OM648 Diesel A0131540002

-1%

Part no. A0131540002-1

Mercedes W203 C209 W211 W220 Alternator 200A OM648 Diesel A0131540002

Product currently unavailable

Part no. 9197127

BMW X3 E83 Z4 E85 E86 Radio Business CD Player Multimedia Unit 9197127

Product currently unavailable

Part no. A1685401130

Mercedes-Benz A W168 CDI Battery Terminal Positive Cable Wiring A1685401130

Product currently unavailable

Part no. 9241008-1

BMW E90 Max Brose Footwell Light Module Control Unit ECU FRM3R 9241008

Product currently unavailable

Part no. 8742681

Engine Wiring Mini F55 F56 F57 F60 Petrol B36 B38 Loom Harness Cable 8742681

Product currently unavailable

Part no. A2128270228-ING

Mercedes W212 Estate Roof Antenna Cover Shark Indium Grey Metallic A2128270228

Product currently unavailable

Part no. 9657384680

Citroen C4 Peugeot 407 3008 Alarm Anti-Theft Siren Module Unit 9657384680

Product currently unavailable

Part no. 7805098-1

Engine Starter Mini One D W17 R55 R56 Engine Starter Motor Diesel Valeo 7805098

Product currently unavailable

...

Showing 11881-11979 of 18508 products