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 X1 E84 20d 20dX Diesel N47N Engine Control Unit ECU Kit DDE 8574352 CAS3 Key

Product currently unavailable

Part no. 7L6971095G

VW Volkswagen Touareg 7L Front Bumper PDC Parking Sensor Wire Harness 7L6971095G

Product currently unavailable

Part no. A0061516101

Mercedes ML W164 Diesel Engine Starter Motor A0061516101

Product currently unavailable

Part no. A2139006633

Mercedes X253 Central Control Unit Electronic Module A2139006633

Product currently unavailable

Part no. 8200935115

Renault Trafic F83 M9R 2.0 DCI Engine Control Unit Module ECU 8200935115 Manual

Product currently unavailable

Part no. 06B903016AF

Audi A3 8P A4 B7 TT 8J Alternator Generator 140A 14V FSI TFSI Petrol 06B903016AF

Product currently unavailable

Part no. 9645100680

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

Product currently unavailable

Part no. A2208201475

Mercedes-Benz S-Class W220 Aerial Roof Antenna Shark Radio A2208201475

Product currently unavailable

Part no. 7711134330

Renault Master 2 Opel Vauxhall Movano A 2.5 DCI Engine Starter Motor 7711134330

Product currently unavailable

Part no. 8K9945093-1

Audi A4 B8 Avant Tail Light Rear Left N/S Lamp Tailgate Loom Harness 8K9945093

Product currently unavailable

Part no. 068911024G

Volkswagen VW Passat B5 TDI Diesel Engine Starter Motor Actuator 068911024G

Product currently unavailable

Part no. 9205930-1

BMW X5 E70 Telematics Bluetooth Control Unit Module ECU Continental 9205930

Product currently unavailable

Part no. AC1112A650BC-1

Ford Transit MK7 2.2 TDCI P8FA Diesel Engine Control Unit ECU AC1112A650BC

Product currently unavailable

Part no. 1K0953549BK

Volkswagen VW Golf Mk5 Steering Wheel Position Angle Control Unit 1K0953549BK

Product currently unavailable

Part no. A6291500450

Alternator Mercedes ML W164 GL X164 Diesel OM629 Bosch 14V 220A A6291500450

Product currently unavailable

Part no. 8K0907064EB

Audi A5 8T Body Control Comfort Unit Module BCM Unit ECU 8K0907064EB

Product currently unavailable

Part no. A2711500620

Engine Wiring Mercedes W204 C207 W212 M271 Harness Loom Cable A2711500620

Product currently unavailable

Part no. 038903143AF

Audi VW Golf MK5 Seat Skoda 1.9 TDI Alternator Mount Support Bracket 038903143AF

Product currently unavailable

Part no. 8K0907063P

Audi A5 8T Body Comfort Control BCM Onboard Supply Module Unit ECU 8K0907063P

Product currently unavailable

Part no. A1669062300

Mercedes W221 Rear Armrest DVD Player Control Headunit A1669062300

Product currently unavailable

Part no. 8K0907364A

AUDI S4 B8 Quattro Dynamic Suspension Electric Damper Control Module 8K0907364A

Product currently unavailable

Part no. 1439674

BMW X5 E53 Base B Positive Battery Terminal Cable Cover Compartment

Product currently unavailable

Part no. 7521116

Starter BMW E90 Petrol N52 N53 Engine Starter Motor Unit 7521116

Product currently unavailable

Part no. 1439874

BMW E46 316i M43 Petrol Engine Wiring Harness Engine Module Wiring 1439874

Product currently unavailable

Part no. 03C906016BG-1

Audi A1 8X 1.4 TSI CAXA 122HP Engine Control Unit ECU Kit 03C906016BG BCM + Key

Product currently unavailable

Part no. 4G1035192A

Audi A7 4G Multimedia CD Radio Control Head Unit 4G1035192A

Product currently unavailable

Part no. 8W0959121B

Audi A4 B9 A5 F5 Pressure Sensor Pedestrian Protection System 8W0959121B

Product currently unavailable

Part no. 06H911021EX

Audi A4 A5 Starter Motor 2.0 TFSI Petrol Engine CDNC CDNB 06H911021EX

Product currently unavailable

Part no. A0028203226

Air Module Mercedes W210 SRS Control Unit ECU Control Module A0028203226

Product currently unavailable

Part no. 9145162

BMW E93 Hifi System Amplifier Sound System Amp 9145162

Product currently unavailable

Part no. A2229000821

Mercedes C238 Headlight Ballast Control Unit Module A2229000821

Product currently unavailable

Part no. 6M5T-F221050-AA

Ford Kuga Mk1 Windscreen Washer Wiring Loom Harness Cable 6M5T-F221050-AA

Product currently unavailable

Part no. A0055421818

Mercedes W204 Yaw Rotation Rate Acceleration Sensor Module A0055421818

Product currently unavailable

Part no. 3425833

BMW X3 E83 2.5i 3.0i M54 Wiring Harness Cable Engine Ignition Module 3412247

Product currently unavailable

Part no. 96639628XT00

Peugeot 207 CD Player Radio Stereo Audio Head Unit 96639628XT00

Product currently unavailable

Part no. 36100-2A550

Kia Sportage 3 1.7 Diesel Engine Starter Motor Denso 36100-2A550

Product currently unavailable

Part no. 9331597

BMW F20 F21 F22 F30 F31 Alpine CD Radio Player Head Control Unit 9331597

Product currently unavailable

Part no. A1694402805

Mercedes-Benz A B W169 W245 Starter Alternator Battery Lead Cable A1694402805

Product currently unavailable

Part no. 04E903021M

Skoda Rapid NH1 1.4 TSI Petrol Alternator Generator Bosch 04E903021M

Product currently unavailable

Part no. M001T81582

Mazda 6 GJ Engine Starter Motor 2.2 Diesel M001T81582

Product currently unavailable

Part no. B67824524

Mercedes W164 Media Interface Connection Cable MI AUX Wiring B67824524

Product currently unavailable

Part no. 6G9N10300YC

Land Rover Freelander 2 L359 2.2 Engine Alternator Generator 6G9N10300YC

Product currently unavailable

Part no. 03L906022NP-1

Audi A4 B8 2.0 TDI Diesel CAHA 170HP Engine ECU Kit Ignition + Key 03L906022MK

Product currently unavailable

Part no. 4F0035053B

Audi A4 A5 A6 Q5 Q7 Radio Control Head Unit Harman Becker 4F0035053B

Product currently unavailable

Part no. 9491592-1

BMW F22 F23 F87 Rear Tail Light Lamp LED Wiring Loom Right O/S 9491592

Product currently unavailable

Part no. 8236846

BMW Z4 E85 E46 Hall Effect Switch Cable Microswitch 8236846

Product currently unavailable

Part no. 9226884

BMW F20 F21 LCI Antenna Amplifier Diversity 9226884

Product currently unavailable

Part no. 7610009-3

Mini Cooper S R56 N14 1.6 174HP ECU DME Kit CAS 3 Key 7610009 Manual Gearbox

Product currently unavailable

Part no. 4H0907601E

Audi S3 8Y 2.0 TFSI DNFF Petrol Engine Sound Noise Actuator 4H0907601E

Product currently unavailable

Part no. 8P0919475G

Audi S3 8P Control Unit PDC Parking Sensor Module 8P0919475G

Product currently unavailable

Part no. 4E0910888PX

Audi Q7 4L Navigation Sat Stereo Radio Audio Head Unit CD Player 4E0910888PX

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. 6943437

BMW X3 Z4 E83 E85 E86 Radio Business CD Player 65126943437 6943437

Product currently unavailable

Part no. 9176824

BMW X5 E70 Footwell Light Control Module Unit LEAR PL4 FRM II 9176824

Product currently unavailable

Part no. A6399000300-1

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

Product currently unavailable

Part no. 6556VS

Peugeot 307 308 Citroen C4 Fuse Box Cover Lid Housing Cap 9653315180

Product currently unavailable

Part no. 8372521

BMW 3 5 Series E39 E46 Airbag Control Unit Module 8372521

Product currently unavailable

Part no. A1121535479

Mercedes W203 C240 M112.912 170HP Engine Control Module Unit ECU A1121535479

Product currently unavailable

Part no. 03G906016HS-1

Audi A6 C6 2.0 TDI BRE 140HP Engine Control Module ECU Set 03G906016HS Manual

Product currently unavailable

Part no. A6089060100

Starter Mercedes W177 W247 C118 1.5 OM608 Diesel Starter Motor A6089060100

Product currently unavailable

Ford Transit Connect Mk2 Fuse Box Cover Lid Trim DV6T-14A076-AB

-1%

Part no. DV6T-14A076-AB

Ford Transit Connect Mk2 Fuse Box Cover Lid Trim DV6T-14A076-AB

Product currently unavailable

Part no. 06H911021D

Audi A4 B8 Petrol Engine Starter Motor Actuator 1.8 2.0 TFSI 06H911021D

Product currently unavailable

Part no. A2049006009

Mercedes W204 Navigation CD Player Radio Stereo Sat Nav Head Unit A2049006009

Product currently unavailable

Part no. 5K0962131

Volkswagen Tiguan 5N Audi Q3 8U Keyless Antenna Amplifier Unit 5K0962131

Product currently unavailable

Part no. 6943771

BMW 1 Series E87 CAS2 ECU Control Unit Key Reading Module 6943771

Product currently unavailable

Part no. 9343198

BMW E81 E82 E87 E88 E90 E91 E92 Radio Professional CD Player 9343198

Product currently unavailable

Part no. A2098205489

Mercedes W209 Radio Head Unit Media Player Navigation Screen A2098205489

Product currently unavailable

Part no. 9241694

Wiring Harness BMW F10 F11 Front Bumper PDC Wiring Loom Cable 9241694

Product currently unavailable

Part no. 9348728

BMW F22 F30 LCI Control Unit Airbag ECU NO CRASH DATA 9348728

Product currently unavailable

Part no. A2469069600-1

Battery Cable Mercedes W176 W246 Negative Harness Lead Terminal A2469069600

Product currently unavailable

Part no. 3451405

Mini R55 R56 Audio Amplifier Harman Becker Hi-Fi System Booster 3451405

Product currently unavailable

Part no. A6110920140

Mercedes-Benz M-Class ML W163 Fuel Pump Bracket Holder Housing A6110920140

Product currently unavailable

Part no. 6C1T-14B056-AD

Ford Transit Mk7 Airbag Module ECU Control Unit Air Bag 6C1T-14B056-AD

Product currently unavailable

Part no. A0045467640

Distributor Box Mercedes W204 W207 W221 Connector Block Control Unit A0045467640

Product currently unavailable

Part no. 9271376

MINI Cooper One Clubman R55 LCI Rear Bumper PDC Cables Wiring Loom Set 9271376

Product currently unavailable

Part no. BU3T-12B637-CCB

Peugeot Boxer 2.2 HDI Diesel Engine Wiring Cable Loom Harness BU3T-12B637-CCB

Product currently unavailable

Part no. A1718204326

Mercedes SLK R171 Front Air Module SRS Control Unit ECU A1718204326

Product currently unavailable

Part no. 5Q0035874C

Skoda Octavia Mk3 5E MMI Multimedia SAT NAV Radio Stereo Head Unit 5Q0035874C

Product currently unavailable

Part no. 8200311550

Renault Master 2 G9U 754 2.5 dCi Diesel Engine Unit ECU 8200311550 Manual

Product currently unavailable

Part no. 8605894

Mini Cooper S R55 R56 LCI Engine Wiring Injection Loom Harness N18 8605894

Product currently unavailable

Part no. 6989207

BMW X3 E60 E61 E83 PDC Parking Sensor Ultrasonic Titanium Grey A36

Product currently unavailable

Part no. 8K0915181

Audi A4 B8 A5 8T A6 C6 Battery Negative Terminal Cable Wiring Wire 8K0915181

Product currently unavailable

Part no. 7E0907655A

Audi TT 8J ESP YAW Lateral Acceleration Sensor 7E0907655A

Product currently unavailable

Part no. 8707679

BMW F20 F21 F22 Body Control Module Unit FEM 8707679

Product currently unavailable

Part no. 1940809

Ford B-Max Alternator Generator 14V 150A 1.0 GTDI EcoBoost CV6T-10300-BC

Product currently unavailable

Part no. 6918871

BMW X5 Series E53 Radio BMW Business Cassette Player 6918871

Product currently unavailable

Part no. 8711938

BMW X1 F40 F48 Mini F54 F60 USB Bush Dual Double Socket Plug 8711938

Product currently unavailable

Part no. 8610680-1

BMW F10 F11 550i F12 F13 650i N63 408HP ECU Kit DDE 8610680 Key CAS4 Automatic

Product currently unavailable

Part no. A2035454701

Mercedes-Benz C CLC Class CL203 S203 W203 Fuse Box Module SAM Unit A2035454701

Product currently unavailable

Part no. 8P0959802F

Audi A3 8P Door Window Lifter Regulator Motor Front Left N/S 8P0959802F

Product currently unavailable

Part no. A1718200726-1

Mercedes R171 Front Module Door Left N/S Control Unit A1718200726

Product currently unavailable

Part no. 9298947

BMW E93 LCI ECU Body Control Module H4 Junction Box PL2RR JBBFE IIIR 9298947

Product currently unavailable

Part no. 6500CW

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

Product currently unavailable

Part no. A0131549002-1

Mercedes W204 W211 Alternator Generator OM646 Diesel Bosch 180A A0131549002

Product currently unavailable

Part no. 6912755

BMW X5 E46 E53 Side Air Module Control Unit ECU 6912755 6962530

Product currently unavailable

Part no. 1393415-2

BMW E90 E91 F10 Mini R50 R52 Change Over Contact Relay Grey 5 Pins Set 1393415

Product currently unavailable

Part no. 6954776

BMW Z4 E85 Roadster Cabrio Convertible Roof Module Folding Top 6954776

Product currently unavailable

Part no. 7471341-2

BMW F20 Front Headlight Headlamp Wiring Harness Cable Left N/S 7471341

Product currently unavailable

Part no. 9147226

BMW E60 E87 E90 CAS 3 ECU Control Unit Key Reading Module 9147226

Product currently unavailable

...

Showing 17029-17127 of 18495 products