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

VW Volkswagen Golf 6 1.6 TDI Diesel Engine Starter Motor 022911024A

Product currently unavailable

Part no. 7796571

BMW X3 E83 2.0d M47N2 Diesel Engine Control Unit ECU DDE 7796571 Manual

Product currently unavailable

Part no. 9803029180

Peugeot Partner Citroen Berlingo Mk2 Wiring Cable Loom Diesel Engine 9803029180

Product currently unavailable

Part no. 6752866

Accelerating Sensor BMW E60 E61 E63 E64 E65 E70 Control Unit Module 6752866

Product currently unavailable

Part no. 6918529

Radio Boost Mini R50 R53 Dolby Cassette Tape Player Control Unit Module 6918529

Product currently unavailable

Part no. 9354457

BMW F20 F30 F31 F32 Front Seat Control Unit Module ECU 9354457

Product currently unavailable

Part no. 04L907309R-3

Audi A3 8V VW Golf VII 2.0 TDI 150HP CRLB Engine Unit ECU Kit 04L907309R Manual

Product currently unavailable

Part no. MB3G-12B565-FB

VW Amarok Mk2 Automatic Gearbox Transmission Control Module Unit MP3P-14F106-AA

Product currently unavailable

Part no. 2990911

BMW X1 Series E84 Carrier Bracket Holder Control Module Unit 2990911

Product currently unavailable

Part no. 9166782-1

BMW X5 X6 E70 E71 Dashboard Navi Monitor Sat Nav System Screen 8,8" 9166782

Product currently unavailable

Part no. 8236846

BMW Z4 E85 E46 Hall Effect Switch Cable Microswitch 8236846

Product currently unavailable

Part no. 7E0915181N

VW Transporter T6 Negative Minus Earth HV Battery Cable Wire 7E0915181N

Product currently unavailable

Part no. A0009003500

Mercedes W204 W212 Fuel Pump Module Control Unit ECU AMG C63 A0009003500

Product currently unavailable

Part no. 7810000

BMW E60 E81 E87 LCI E90 120d 320d 520d N47 Engine Control Unit ECU DDE 7810000

Product currently unavailable

Part no. 5N0959655R

VW Volkswagen Tiguan 5N Air Module Control Unit ECU 5N0959655R

Product currently unavailable

Part no. A0355400145

Mercedes ML W164 C209 W211 C219 AMG Fuel Pump Control Module A0355400145

Product currently unavailable

Part no. 7802928

BMW E60 E90 Alternator Generator 150A 335d 525d 530d 535d M57N2 7800308

Product currently unavailable

Part no. 99761826008

Porsche Cayman 987 Rear Body Control Unit Module ECU 99761826008

Product currently unavailable

Part no. 9218356-2

BMW X5 E70 Head Unit CIC DAB Professional Navigation System Controller 9218356

Product currently unavailable

Part no. A1648207826

Mercedes W164 Door Module Front Right O/S Control Unit Module A1648207826

Product currently unavailable

Part no. 9274021

BMW F20 F21 F30 F31 F32 Body Control Unit Module REM 9274021

Product currently unavailable

Part no. 9354277

BMW F01 LCI Seat Module Front Seat Control Module Unit Temic 9354277

Product currently unavailable

Part no. 8H0035223E

Audi A4 B7 Convertible Rear Speaker Amplifier Blaupunkt Right O/S 8H0035223E

Product currently unavailable

Part no. A1729008412

Mercedes SLK R172 Roadster Folding Vario Roof Control Module A1729008412

Product currently unavailable

Part no. 8M5T-19G481-AG

Ford Focus Mk2 Kuga Mk1 Body Comfort Keyless Control Module Unit 8M5T-19G481-AG

Product currently unavailable

Part no. 7550997-2

Mini Cooper One R50 R52 W10 Petrol Alternator Generator 110A 7550997 7515426

Product currently unavailable

Part no. A1779002610

Mercedes W177 Ambient Lighting Control Module Unit ECU A1779002610

Product currently unavailable

Part no. 7579142-1

BMW E87 LCI E90 120i 320i Petrol N43 Engine ECU KIT DME 7579142 CAS3 Key

Product currently unavailable

Part no. DPX-5200BT

Kenwood Double Din Car Stereo Bluetooth With Microphone DPX-5200BT

Product currently unavailable

Part no. 9267421

BMW E91 LCI ECU Body Control Module M Junction Box PL2RR JBBFE IIIR 9267421

Product currently unavailable

Part no. R8E2-14D618-AA

Range Rover Evoque L551 Front Door Control Unit ECU Driver's Side R8E2-14D618-AA

Product currently unavailable

Part no. 8610006-2

Mini Cooper S R56 LCI N18 1.6 184HP Engine ECU Kit DME 8610006 CAS3 Key Manual

Product currently unavailable

Part no. 7786372

BMW X5 E53 3.0d M57 Earth Cable Battery Cable 7786372 12427786372

Product currently unavailable

Part no. 03L906022NN

Audi A4 B8 2.0 TDI 143HP CAGA Diesel Engine Control Unit ECU Module 03L906022NN

Product currently unavailable

Part no. 7557809-7

BMW 1 3 E87 E90 N45 116i 316i Petrol ECU Kit DME 7557809 + CAS 2 + Keys Manual

Product currently unavailable

Part no. 9264579

BMW 1 Series E87 ECU Body Control Module Unit KL PL2RR JBBFE 61359264579 9264579

Product currently unavailable

Part no. 1736922

BMW E31 E32 E34 E34 E39 Petrol Engine Starter Motor 1729982

Product currently unavailable

Part no. 7810000-3

BMW E81 E87 LCI E90 E91 120d 320d Diesel N47 ECU Kit DDE 7810000 CAS3 + Key

Product currently unavailable

Part no. 6983009

BMW X5 E61 E65 E70 E90 Telematics ECU Control Unit GSM 6983009

Product currently unavailable

Part no. 6972065

BMW E91 Touring Ultra Sonic Burglar Alarm System Sensor Module 6972065

Product currently unavailable

Part no. 5Q0937084DB

VW Golf MK7 Body Control Module BCM Control Unit ECU Power Supply 5Q0937084DB

Product currently unavailable

Part no. A6519007500-17

Mercedes C207 E220 CDI OM651.911 BE Engine Unit Module ECU A6519007500 Automatic

Product currently unavailable

Part no. rhd-9136726-1

BMW Mini Cooper One R55 R56 1 Multifuse B Battery Power Distributor 9136726

Product currently unavailable

Part no. 9249086-2

BMW E89 Max Brose Footwell Light Module Control Unit ECU FRM3R 9249086

Product currently unavailable

Part no. 9676811780

Citroen Berlingo Peugeot Partner Battery Terminal Earth Cable Wiring 9676811780

Product currently unavailable

Part no. 5P0951171C

Seat Altea 5P1 Interior Ultrasound Alarm Sensor Module Unit 5P0951171C

Product currently unavailable

Part no. 03G903016L

Audi A6 C6 FL CAGB Diesel Engine Alternator Generator Bosch 14V 180A 03G903016L

Product currently unavailable

Part no. 5Q0907530E

Seat Leon 5F III Gateway Control Module Unit ECU 5Q0907530E

Product currently unavailable

Part no. 3404171

BMW X3 E83 Steering Control Module Unit Servo SVT Servotronic 3404171

Product currently unavailable

Part no. AV1T-15K600-CG

Ford B-Max Body Control Module BCM Control Unit 1.5 TDCI AV1T-15K600-CG

Product currently unavailable

Part no. 2Q0971349QT

Seat Arona KJ7 VW Tagio CS1 Alternator Wiring Harness Loom Cable 2Q0971349QT

Product currently unavailable

Part no. A1664403436

Mercedes GLE W166 Wiring Harness Automatic Gearbox Cable Loom A1664403436

Product currently unavailable

Part no. 9237047-1

BMW E60 E87 E90 CAS 3 ECU Control Unit Key Reading Module 9237047

Product currently unavailable

Part no. A2125407050-1

Mercedes W212 Fuse Box Control Unit Power Distribution Electrical A2125407050

Product currently unavailable

Part no. 8K0971228F

Audi A4 B8 A5 8T 8F Alternator Starter Wiring Loom Harness 8K0971228F

Product currently unavailable

Part no. 8K2971228G

Audi A5 8T 1.8 TFSI Starter Alternator Harness Wiring Cable 8K2971228G

Product currently unavailable

Part no. 89024777

Volvo XC90 Headlight Level Adjuster Actuator Motor 89024777

Product currently unavailable

Part no. 5Q0937086BM

VW Golf 5G Touran 5T Passat B8 BCM Body Control Module ECU 2.0 TDI 5Q0937086BM

Product currently unavailable

Part no. 3449688

BMW X3 E83 LCI Light Control Module Lear LM II LWR 3449688 61353449688

Product currently unavailable

Part no. 6914396

Mini Cooper R50 R52 R53 Support Bracket Navigation Computer 6914396

Product currently unavailable

Part no. A6121536379-1

Mercedes-Benz ML W163 270 CDI Engine Control ECU Kit A6121536379 Key Automatic

Product currently unavailable

Part no. A2709002900-1

Mercedes X156 GLA200 M270.910 156HP Engine Control Unit ECU Kit A2709002900 Key

Product currently unavailable

Part no. 8585225-1

Mini F55 F56 Cooper SD B47 Diesel Engine ECU Kit DDE 8585225 BDC Key Manual

Product currently unavailable

Part no. 6953044

BMW E81 E87 E90 Hands Free Electronics Charging Module MULF 6953044

Product currently unavailable

Part no. 9231280-TS

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

Product currently unavailable

Part no. E81 E87 Wiring Loom Set PDC rear

BMW 1 Series 1 E81 E87 Wiring Loom Set PDC Rear Complete Harness Parking Sensor

Product currently unavailable

Part no. 9645100680

Peugeot 307 Citroen C4 C5 1.6 HDI Diesel Engine Starter Motor 9645100680

Product currently unavailable

Part no. A0009063322-1

Alternator Generator Mercedes W176 W246 OM651 Diesel Engine 175A A0009063322

Product currently unavailable

Part no. 1388277080

Citroen Relay 35L III Positive Battery Wiring Loom Harness Diesel 1388277080

Product currently unavailable

Part no. 7505995

BMW 3 Series E46 N42 N46 316i 318i Starter Motor Bosch 1,4kW 7505979

Product currently unavailable

Part no. A2711502933

Engine Wiring Harness Mercedes R171 W203 C209 M271 Loom Cable A2711502933

Product currently unavailable

Part no. 06L903018H

Audi A4 B9 A5 F5 Alternator Generator Valeo 2.0 TFSI DDWA 06L903018H

Product currently unavailable

Part no. A2229009708

Mercedes W205 Body Control Comfort Unit Module BCM Unit ECU A2229009708

Product currently unavailable

Part no. 4H0907508

Audi RS6 C7 Acceleration Engine Sensor Module Control Unit ECU 4H0907508

Product currently unavailable

Part no. A1669008512

Mercedes GLE 250 AM Tailgate Trunk Control Module Unit A1669008512

Product currently unavailable

Part no. 5A402E9

Mini F55 BDC FCC BSI Fuse Box Power Distribution Control Module Unit ECU 5A402E9

Product currently unavailable

Part no. A6388200310

VW Volkswagen Crafter I Headliner Roof Alarm Movement Sensor A6388200310

Product currently unavailable

Part no. 8717408

Mini F55 F56 Wiring Loom Harness Instrument Panel Dashboard Cable 8717408

Product currently unavailable

Part no. 3D0909133E

Audi A8 D3 KESSY Keyless Entry Module Control Unit Sensor ECU 3D0909133E

Product currently unavailable

Part no. 1247281

BMW E34 E36 E46 316i 318i 518i Ignition Coil Control Unit Module 1247281

Product currently unavailable

Part no. 5A872D1

BMW F40 Telematics Control Module Unit TCU 5A872D1

Product currently unavailable

Part no. 06J903023A

Audi A3 8V VW Golf Mk7 Alternator Generator 14V 140A 2.0 TFSI 06J903023A

Product currently unavailable

Part no. FV6T-14A280

Ford Transit Connect Cable Alternator Starter Motor Battery Wiring FV6T-14A280

Product currently unavailable

Part no. 81A971104E

Audi Q2 GA Rear Bumper PDC Parking Sensor Wiring Harness Loom 81A971104E

Product currently unavailable

Part no. 231A07278R

Smart 453 Fortwo Body Control Energy Management Control Module Unit 231A07278R

Product currently unavailable

Part no. A0275454132-1

Mercedes W168 A160 102HP Engine Control ECU Kit A0275454132 + 2 Keys Automatic

Product currently unavailable

Part no. 8735982

BMW G30 G31 F90 M5 G11 Antenna Aerial Diversity Amplifier Unit 8735982

Product currently unavailable

Part no. CH22-14F667-AJ

Land Rover Discovery 4 L319 Display Screen Unit Module Dashboard CH22-14F667-AJ

Product currently unavailable

Part no. 7314798

Trunk Lid Module BMW F31 F15 F16 F36 Control Unit Rear Tailgate Lift 7314798

Product currently unavailable

Part no. BK2V14301FB

Ford Transit Custom Mk8 Negative Battery Cable Wire Terminal BK2V14301FB

Product currently unavailable

Part no. 04L903017A

Audi A4 B8 2.0 TDI CNHC Diesel Alternator Generator 04L903017A

Product currently unavailable

Part no. A0325452332

Mercedes CLK W209 Automatic Gearbox EGS Control Unit Module ECU A0325452332

Product currently unavailable

Part no. A9108805600

Sensor Holder Mercedes W907 W910 Collision Warning Module Bracket A9108805600

Product currently unavailable

Part no. 9226238

BMW 1 3 5 Series E60 E87 E90 CAS 3 ECU Control Unit Key Reading Module 9226238

Product currently unavailable

Part no. 9269896

BMW X3 F25 Business CD Radio Player Head Unit Control 9269896

Product currently unavailable

Part no. 7580279-3

BMW E87 LCI E90 120i 320i N43 170HP ECU Engine Control Unit DME Manual Gearbox

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. 7527072-3

BMW Z4 E85 2.5i Engine M54 192HP ECU Kit DME 7527072 + EWS3 + Key Automatic

Product currently unavailable

Part no. A2731536591-1

Mercedes W221 S500 4-Matic M273.968 Engine Control Unit ECU Kit A2731536591 Key

Product currently unavailable

...

Showing 14653-14751 of 18508 products