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

Volkswagen VW Caddy Door Harness Loom Cable Wiring Front Left 2K0971557AG

Product currently unavailable

Part no. 1T0971557AJ

Volkswagen VW Touran Door Harness Loom Cable Wiring Front Left N/S 1T0971557AJ

Product currently unavailable

Part no. A2107600204

Mercedes-Benz W210 Rear Left Right Door Interior Handle Pull Cable A2107600204

Product currently unavailable

Part no. A2118701885-1

Mercedes SLK R171 Control Unit Module DC UHI MOST A2118701885

Product currently unavailable

Part no. 3D0941329E

Volkswagen Golf Mk7 Headlight Cornering Module Control Unit 3D0941329E

Product currently unavailable

Part no. 7578032

BMW E81 E87 LCI E90 E91 N43 Petrol Engine Control Unit ECU DME 7578032 Manual

Product currently unavailable

Part no. A1111531879-1

Mercedes W210 E200 Kompressor M111.957 163 HP Engine Control Unit ECU Automatic

Product currently unavailable

Part no. CH22-18D493-AC

Land Rover Discovery 4 L319 Heater A/C Module Controle ECU CH22-18D493-AC

Product currently unavailable

Part no. 8P0907063AD

Audi TT 8J Body Comfort Control BCM Module Unit ECU 8P0907063AD

Product currently unavailable

Part no. 6H52-14B321-AE

Land Rover Freelander 2 Air Module Control Unit ECU 6H52-14B321-AE

Product currently unavailable

Part no. 9T11-12A650-DF

Ford Transit Connect 1.8TDCI 110HP RWPA Engine Control ECU 9T11-12A650-DF Manual

Product currently unavailable

Part no. 5Q0907561N

Seat Leon 5F Volkswagen Golf Mk7 Front Radar Sensor Control Module 5Q0907561N

Product currently unavailable

Part no. 8K0927155AA

Audi A5 8T 2.0 TFSI CDNB Automatic Gearbox Module Control Unit 8K0927155AA

Product currently unavailable

Part no. A2048703526

Mercedes W204 Rain Light Solar Condensation Sensor Control Unit A2048703526

Product currently unavailable

Part no. A1679001414

Head Unit Mercedes W167 W177 Audio Stereo Radio Player Control Unit A1679001414

Product currently unavailable

Part no. 1K8919472C

Volkswagen Scirocco Mk3 PDC Parking Distance Control Module 1K8919472C

Product currently unavailable

Part no. GV6112A650KA

Ford Transit Connect MK2 1.5 TDCI 101HP Engine Unit ECU GV6112A650KA Manual

Product currently unavailable

Part no. A2059003740

Mercedes A205 Convertible Comfort Control Unit Module A2059003740

Product currently unavailable

Part no. 9666663780

Peugeot 3008 PDC Module Parking Distance Control Unit ECU 9666663780

Product currently unavailable

Part no. 2282849

Ford Fiesta St Door Control Module Rear Left Right N/O/S H1BT-14B534-AE

Product currently unavailable

Part no. A2124404851

Mercedes W212 Rear Bumper PDC Wiring Parking Sensor Loom Harness A2124404851

Product currently unavailable

Part no. 6983018-1

BMW E90 Radio Professional CD Audio Player Dash Control Unit 6983018

Product currently unavailable

Part no. 8372204

BMW X5 Series E53 Control Element Light Switch 61318372204 8372204

Product currently unavailable

Part no. 1Z0035161C

Skoda Octavia II Radio Control Autoradio Head Unit Stream MP3 1Z0035161C

Product currently unavailable

Part no. A2128205404

Mercedes W212 Front Seat Headrest Display Screen Monitor Unit A2128205404

Product currently unavailable

Part no. A0009005109

Mercedes W205 X253 Distronic Radar Sensor Cruise Control Unit Module A0009005109

Product currently unavailable

Part no. 8K0959655L

Audi A4 B8 Air Module Control Unit ECU Crash Control 8K0959655L

Product currently unavailable

Part no. 8K0907801F-1

Audi A4 B8 S5 8T Parking Brake Control Unit Electric Brake Module 8K0907801F

Product currently unavailable

Part no. 7796819-1

Engine Wiring BMW X5 E53 3.0d M57N Loom Cable Harness Injector Module 7796819

Product currently unavailable

Part no. 7209145

BMW E64 E64N Cabrio Convertible Folding Top Roof ECU Module 6969008

Product currently unavailable

Part no. A2035407408

Mercedes-Benz C W203 Rear Left Right Door Wiring Loom Harness A2035407308

Product currently unavailable

Part no. 2K5971557E

VW Caddy Maxi 2K Front Door Regulators Wiring Loom Left Right N/O/S 2K5971557E

Product currently unavailable

Part no. A9069006303-1

Mercedes W906 Fuse Box SAM Module Control Unit ZGS Temic A9069006303

Product currently unavailable

Part no. 7533837

BMW 5 6 7 E60 E61 E63 E65 N62 N62N Alternator Supporting Bracket Mount 7533837

Product currently unavailable

Part no. 7N0919475

Volkswagen Sharan 7N Passat CC PDC Parking Distance Control Module 7N0919475

Product currently unavailable

Part no. 6R0971228S

Negative Battery Cable Audi A1 8X Volkswagen Polo Mk5 6R Cable 6R0971228S

Product currently unavailable

Part no. A2118701085

Mercedes R171 Navigation Processor Multimedia Control Module Unit A2118701085

Product currently unavailable

Part no. 4G5907468K

Audi A6 C7 Gateway Interface Electrical Control Unit Module ECU 4G5907468K

Product currently unavailable

Part no. 4G0035061B

Audi A5 8T Navigation System Car Sat Nav Computer Head Unit CIC 4G0035061B

Product currently unavailable

Part no. 9664611380

Peugeot Expert Citroen Dispatch 2.0 HDI 120HP Engine Unit ECU 9664611380 Manual

Product currently unavailable

Part no. 5QS915181

Audi A3 S3 8Y Battery Negative Terminal Cable Wire 5QS915181

Product currently unavailable

Part no. 8K2907115S-1

Audi A4 B8 8K A5 8T 2.0 TFSI CDNB 180HP Engine Control ECU 8K2907115S Manual

Product currently unavailable

Part no. 6797030

BMW X3 F25 X4 F26 Rear Axle Shock Absorber EDC Wiring Loom Cable 6797030

Product currently unavailable

Part no. L1BT-18B955-FC

Ford Transit Mk8 Display Screen Radio Multimedia Navigation Sat L1BT-18B955-FC

Product currently unavailable

Part no. 6773532

BMW E60 E61 E63 E64 E65 E66 Dynamic Drive Control Unit Module 6773532

Product currently unavailable

Part no. 8W9971104A

Audi S4 B9 Wiring Loom Set PDC Rear Complete Harness Parking Sensor 8W9971104A

Product currently unavailable

Part no. 7436676

Adblue Module BMW F10 F11 LCI X5 F15 X6 F16 Control Unit ECU SCR 7436676

Product currently unavailable

Part no. A1645403706

Wiring Mercedes X164 Dashboard Lower Control Panels Switch Harness A1645403706

Product currently unavailable

Part no. 7243562

BMW F20 F30 Sport Seat Front Heating Mat Element F21 F31 F32 7243562

Product currently unavailable

Part no. 9177773

BMW F01 F07 F10 F11 Battery Power B+ Distribution Box Rear 9177773

Product currently unavailable

Part no. 8519009-1

BMW X1 E84 20dX Diesel N47N 184HP Engine ECU Kit DDE 8519009 CAS3 Key Automatic

Product currently unavailable

Part no. A6519003403-6

Mercedes W906 314CDI OM651 140HP Engine Module ECU Kit A6519003403 Automatic

Product currently unavailable

Part no. 04L907309AB

Audi Q3 8U 2.0 TDI DFUA 184HP Quattro Engine Control ECU 04L907309AB Automatic

Product currently unavailable

Part no. 1K0907530G

Audi A3 8P Gateway Module Diagnostic Interface Control Unit ECU 1K0907530G

Product currently unavailable

Part no. 06E903016S

Audi A4 B8 3.2 FSI Alternator Generator 06E903016S

Product currently unavailable

Part no. 6933052

BMW E60 E61 E63 E64 E65 E66 Air Recirculation Control Sensor AUC

Product currently unavailable

Part no. 6961141

BMW X5 Series E53 Light Check Module Control Unit ECU Xenon Lear LCM IV 6961141

Product currently unavailable

Part no. 06E906023R-1

Porsche Cayenne 92A 3.0 TFSI 379HP Engine Control ECU Kit 06E906023R Automatic

Product currently unavailable

Part no. A1715451301

Mercedes R171 Fuse Box Control Unit SAM Module Relay A1715451301

Product currently unavailable

Part no. 9258350-1

Control Unit BMW F20 F21 F22 F30 F31 F32 Control Unit Airbag ECU Module 9258350

Product currently unavailable

Part no. 6989160-BS

BMW 7 Series E65 E66 Rear Bumper PDC Ultrasonic Sensor Black Sapphire 6989130

Product currently unavailable

Part no. 9339314

BMW 4 Series F83 M4 Wiring Loom Cable Seat Passenger's Side Left N/S 9339314

Product currently unavailable

Part no. 1756803

Ford Ranger Explorer Starter Motor Engine Actuator Diesel Mitsubishi M002T87271

Product currently unavailable

Part no. 1025-10

BMW X5 E70 X6 E71 Car Multimedia Navigation System 10.25" Screen GPS 2-DIN

Product currently unavailable

Part no. 6970676

BMW X5 E70 Rear Bumper PDC Cables Wiring Loom Set 6970676

Product currently unavailable

Part no. 9159794

BMW 3 Series E93 Cabrio Airbag Control Unit Module ECU 9159794 65779159794

Product currently unavailable

Part no. 5Q0955547B

VW Golf Mk7 Skoda Octavia Mk3 Front Windscreen Rain Sensor Unit 5Q0955547B

Product currently unavailable

Part no. FR3A-9D370-AA

Ford Mustang GT Mk6 Fuel Pump Control Unit Module 5.0 V8 FR3A-9D370-AA

Product currently unavailable

Part no. 9181378

Electronics Charging BMW E60 E87 E90 E91 Hands Free Module MULF2 9181378

Product currently unavailable

Part no. 0AD927755AD

Porsche Cayenne 955 9PA Transfer Box Control Unit Module ECU 0AD927755AD

Product currently unavailable

Part no. 7542310-5

Mini Cooper S R52 R53 W11 Petrol Engine ECU Kit DME 7542310 Keys EWS Manual

Product currently unavailable

Part no. A1729008500-3

Mercedes W166 W204 Display Screen Information Navigation Dashboard A1729008500

Product currently unavailable

Part no. 8572439-3

Engine Control Unit BMW F30 F31 N57N 330d 258HP ECU DDE 8572439 Automatic

Product currently unavailable

Part no. 7591268

BMW X3 F25 Alternator Generator 210A 28iX N52N 7591268

Product currently unavailable

Part no. 8475350-3

BMW F21 F30 LCI 120d 320d xDrive B47 190HP Control ECU DDE Kit 8475350 Automatic

Product currently unavailable

Part no. 8K5907401A-2

Audi A5 8T 3.0 TDI CDUC 245HP Engine ECU Kit BCM + Key 8K5907401A Automatic

Product currently unavailable

Part no. A2711500391-7

Mercedes W204 C180 Engine Unit BlueEFFICIENCY 271.820 156HP ECU A2711500391

Product currently unavailable

Part no. 6928572

BMW Z4 Series E85 Roadster Cabrio Sensor B-pillar Airbag Right O/S 6928572

Product currently unavailable

Part no. 6934846

BMW E91 Antenna Amplifier Diversity Module 9193841 6934846

Product currently unavailable

Part no. 7N0959107B

Volkswagen Sharan 7N Boot Lid Tailgate Control Module Unit 7N0959107B

Product currently unavailable

Part no. 9270392-2

BMW F20 F21 F22 Central Information Display Dashboard Screen 6,5" 9270392

Product currently unavailable

Part no. 7553735-6

MINI One R50 R52 W10 90HP Engine Control Unit Module ECU DME 7553735 Manual

Product currently unavailable

Part no. A2218208089

Mercedes W221 Antenna Amplifier Control Unit Module A2218208089

Product currently unavailable

Part no. 8509224

Alternator BMW F30 F32 N57N 330d 430d Diesel Engine Generator 230A Valeo 8509224

Product currently unavailable

Part no. 6933950

BMW Z4 Series E85 Roadster Driver's Side Door Wiring Loom Cable 6933950

Product currently unavailable

Part no. 9270500-SCH

BMW X3 Series E83 LCI Front PDC Ultrasonic Parking Sensor Black 9270500

Product currently unavailable

Part no. 8K0907064CC

Audi A4 B8 Body Control Comfort Unit Module BCM Unit ECU 8K0907064CC

Product currently unavailable

Part no. KK3T-15604-FAH

Ford Transit Mk8 BCM Body Control Module Fuse Box ECU KK3T-15604-FAH

Product currently unavailable

Part no. 5WA035284F

VW Volkswagen Golf Mk8 Online Services Module Control Unit ECU 5WA035284F

Product currently unavailable

Part no. 3AF945095E-2

Volkswagen Passat B7 Estate Tail Light Lamp Wiring Rear Left N/S 3AF945095E

Product currently unavailable

Part no. 7640005-4

Mini One R55 R56 N12 1.4 95HP Petrol ECU Kit DME 7640005 CAS3 + Key Manual

Product currently unavailable

Part no. 8E5035225D

Audi A4 B7 Window Antenna Amplifier Module 8E5035225D

Product currently unavailable

Part no. A6541500800

Mercedes W177 W213 Engine Wiring Harness Loom E220d Diesel A6541500800

Product currently unavailable

Part no. CHIP POWER

Chip Power Box Remap Module Control Unit Wiring Cable Harness Plug OBD2

Product currently unavailable

Part no. 7545789-16

Mini Cooper S R52 R53 W11 170HP Engine ECU Kit DME 7545789 + EWS + Key Manual

Product currently unavailable

Part no. 8506951-1

BMW E60 LCI E90 325d 525d M57N2 ECU Kit Basic Control Unit DDE 8506951 CAS3 Key

Product currently unavailable

Part no. A2118704326

Air Module Mercedes W211 CLS C219 SRS Control Unit ECU A2118704326

Product currently unavailable

Part no. 4F0035061D

Audi A4 A5 A6 Q5 Q7 Radio Control Head Unit Harman Becker 4F0035061D

Product currently unavailable

Part no. 8C1T-14A073-BF

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

Product currently unavailable

...

Showing 10594-10692 of 18495 products