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

Mercedes W205 Door Wiring Loom Cable Rear Left N/S A2055409306

Product currently unavailable

Part no. 6R0971349Q

Battery Cable VW Polo 6R Positive Alternator Starter Wiring B+ 6R0971349Q

Product currently unavailable

Part no. 566941645

Skoda Karoq Reflector Headlight LED Module Unit Left N/S 566941645

Product currently unavailable

Part no. 8K0907357

Audi A5 8T Headlight Headlamp Module Control Unit 8K0907357

Product currently unavailable

Part no. 6928376

BMW 5 6 Series E60 E61 LCI E63 E64 Cable Wiring Set ARS Valve Block 6928376

Product currently unavailable

Part no. 7807530-1

BMW E60 E87 E90 LCI 120d 320d 520d N47 Engine ECU Kit DDE 7807530 CAS 3 + 2 Keys

Product currently unavailable

Part no. A1679000500

Mercedes W177 W247 Driver's Seat Heating Control Unit Module ECU A1679000500

Product currently unavailable

Part no. 7599881-19

BMW E87 LCI E90 E91 120i 320i Petrol N43 170HP ECU KIT DME 7599881 CAS3 + 2 Keys

Product currently unavailable

Part no. 7508698-1

BMW E53 4.4i M62 286HP Engine ECU Kit DME 7508698 + EWS3 + Key Automatic

Product currently unavailable

Part no. A6519000601-5

Mercedes W906 313 CDI OM651 129HP Diesel Engine Control ECU A6519000601 Manual

Product currently unavailable

Part no. 6921857

BMW X5 E39 E46 E53 Motorola Hands-free Electronics Control Unit ECU 6921857

Product currently unavailable

Part no. 1K0953549AE

VW Golf Mk5 Steering Angle Steering Wheel Column Control Module ECU 1K0953549AE

Product currently unavailable

Part no. A6402003370-1

Alternator Belt Tensioner Mercedes W169 W245 OM640 Diesel Holder Mounting Panel

Product currently unavailable

Part no. 1K0937124Q

Audi RS3 8P Engine Bay SAM Relay Fuse Box Module Control Unit ECU 1K0937124Q

Product currently unavailable

Part no. 7L5907401-2

Volkswagen Touareg 7L 3.0TDI BKS 225HP Engine Unit ECU Kit 7L5907401 Automatic

Product currently unavailable

Part no. 6925965-2

BMW X3 E83 LCi Rear Door Window Lifter Left N/S 6925965

Product currently unavailable

Part no. 7584113

BMW Mini Cooper S R55 R56 R57 N14 1.6 ECU Basic Control Unit DME 7584113 Manual

Product currently unavailable

Part no. 4F0910553D

Audi A6 C6 Adaptive Suspension Software Module Control Unit ECU 4F0910553D

Product currently unavailable

Part no. 7PP035223AA

Porsche Cayenne 92A Audio Sound Amplifier Bose System 7PP035223AA

Product currently unavailable

Part no. A0055422718

Yaw Sensor Mercedes W211 W219 ESP Rotation Rate Control Unit Module A0055422718

Product currently unavailable

Part no. A2710100146-1

Mercedes W204 C180 M271.952 156HP Engine Control ECU Kit A2710100146 Automatic

Product currently unavailable

Part no. 9257038

BMW 5 Series F07 F10 F11 CAS4 Control Unit Key Reading Module 9257038 6809374

Product currently unavailable

Part no. 03G906016HJ

Volkswagen Golf 5 2.0 TDI Engine Control Unit ECU Manual 03G906016HJ

Product currently unavailable

Part no. A1698207926

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

Product currently unavailable

Part no. 7584113-4

Mini Cooper S R55 R56 N14 174HP Engine Control ECU DME Kit 7584113 Automatic

Product currently unavailable

Part no. UB2305000334

Mercedes CLA C117 Head Unit Sat Nav Navigation Display Screen UB2305000334

Product currently unavailable

Part no. 6793850

Adapter Lead Wire BMW F20 F21 F22 F23 F30 F31 F32 F33 VDC Cable Harness 6793850

Product currently unavailable

Part no. 9250459

BMW X3 F25 Footwell Light Module Control Unit ECU FRM3 9250459

Product currently unavailable

Part no. 7801200

BMW E60 X3 E83 E87 E90 Unit Glow Plug Module Diesel M47N2 7786821

Product currently unavailable

Part no. 2622504

BMW F30 F31 F32 F33 Harman Becker Active Sound Control Module 2622504

Product currently unavailable

Part no. 8973583764

Engine Control Unit Opel Combo 2.0 DTI Diesel Control Module ECU ECM 8973583764

Product currently unavailable

Part no. 7557395-7

MINI Cooper S R52 R53 W11 170HP Engine Control Unit ECU DME 7557395 Automatic

Product currently unavailable

Part no. 9343210

Radio CD BMW E81 E87 E90 E91 E92 LCI Professional DAB 9243925

Product currently unavailable

Part no. A4479007906

Mercedes W447 Door Module Front Left Control Unit A4479007906

Product currently unavailable

Part no. A2215404062

Mercedes W221 Air Suspension Control Unit Module Airmatic A2215404062

Product currently unavailable

Part no. 7M5T-14A073-FG

Ford Kuga C394 BCM Body Control Module Unit Comfort Fuse Box 7M5T-14A073-FG

Product currently unavailable

Part no. A1179006000

Camera Module Mercedes W156 W176 Reversing Rear View Control Unit A1179006000

Product currently unavailable

Part no. 070906016BT-1

VW Volkswagen Touareg 2.5 TDI BPE Engine Control Unit ECU Kit 070906016BT Key

Product currently unavailable

Part no. A2219006404

Mercedes W221 Door Module Front Right O/S Control Unit ECU A2219006404

Product currently unavailable

Part no. 070911023C

Volkswagen Touareg Diesel Engine Starter Motor Actuator Starter 070911023C

Product currently unavailable

Part no. A2108200789

Mercedes-Benz E-Class W210 Estate Radio Aerial Antenna Amplifier A2108200789

Product currently unavailable

Part no. 7570488-1

Mini Cooper R50 R52 R53 W10 W11 1.6 Petrol Engine Starter Motor 0986018840

Product currently unavailable

Part no. 6948059

BMW Z4 Series E85 Roadster Wiring Passenger Side Door Cable Harness 6941884

Product currently unavailable

Part no. 9213372-2

Mini R55 R56 R58 R59 R60 Fuse Box Relay Electrical System Distribution 9213372

Product currently unavailable

Part no. 7188557

BMW F10 S63N Control Unit Fuel Pump 7188557

Product currently unavailable

Part no. 8605258

Mini Cooper S R55 R56 N18 Ignition Injection Valve Wiring Harness 7647197

Product currently unavailable

Part no. 7343935

Trunk Lid Module BMW F31 F15 F16 F36 Control Unit Rear Tailgate Lift 7343935

Product currently unavailable

Part no. 8512498-1

BMW X1 E84 20dX N47 177HP Engine Control ECU Kit DDE 8512498 Automatic

Product currently unavailable

Part no. 4H0959792S

Porsche Macan 95B Front Door Control Module Unit Passenger Side 4H0959792S

Product currently unavailable

Part no. ML3T-14H031-AK

VW Amarok NF Blind Spot Radar Sensor Rear Left Right N/O/S ML3T-14H031-AK

Product currently unavailable

Part no. 9805535

BMW Countryman R60 R61 Centre Console Retaining Bracket Rail Rear 9805535

Product currently unavailable

Part no. 8K2907115AE-1

Audi A4 B8 A5 8F 2.0TFSI CDNC 211HP Engine Unit ECU 8K2907115AE Manual

Product currently unavailable

Part no. A2108207526

Mercedes W202 W210 Front Left Door Control Module A2108207526

Product currently unavailable

Part no. A2076822704

Trim Panel Mercedes W212 Dashboard Module Control Unit Cover A2076822704

Product currently unavailable

Part no. 02Z911024A

Audi A3 8P 1.6 TDI 5 Speed Manual Diesel Engine Starter Motor 02Z911024A

Product currently unavailable

Part no. 5K0937084D

Volkswagen Scirocco Mk3 Comfort BCM Control Module Unit ECU 5K0937084D

Product currently unavailable

Part no. 9293313

BMW F20 F21 F30 F31 Rear Electronic Module Fuse Box Control Unit V5 REM 9293313

Product currently unavailable

Part no. 7807828-2

BMW 1 3 Series E87 LCI E90 118d 318d N47 Diesel ECU KIT DDE 7807828 CAS3 + Key

Product currently unavailable

Part no. 3M5T-11000-CF

Ford Transit Connect Starter Motor Engine Actuator Diesel 1.6 3M5T-11000-CF

Product currently unavailable

Part no. KK3T-14F642-BA

Ford Transit Custom Data Link Obd Port Module KK3T-14F642-BA

Product currently unavailable

Part no. 8513250-1

BMW F10 F11 520d Diesel N47N 184HP Engine ECU Kit DDE 8513250 CAS 4 + Key Manual

Product currently unavailable

Part no. 3457434-1

Mini Cooper One R55 R56 R57 LCI R60 Radio Boost CD Player Head Unit 3457434

Product currently unavailable

Part no. AH42-10F845-AA

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

Product currently unavailable

Part no. A2059001136

Mercedes C238 Vehicle Dynamic Transmission Control Unit Module A2059001136

Product currently unavailable

Part no. 02E911024J

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

Product currently unavailable

Part no. 6991582

BMW 1 3 Series F20 F21 F30 F31 LCI Navigation Sat Nav Head Unit High 6819420

Product currently unavailable

Part no. 9165211

Display Screen BMW E65 E66 Dash Information Navigation Monitor 8,8" 9165211

Product currently unavailable

Part no. 7928648

BMW G30 LCI Radio Remote Control Receiver Module ECU Unit 434 Mhz 7928648

Product currently unavailable

Part no. 7811702-2

BMW E81 E82 E87 LCI E88 N47S 123d ECU Kit DDE 7811702 + CAS3 + Key Manual

Product currently unavailable

Part no. 9350705

BMW X3 F25 Body Control Module ECU Junction Box JBBFE III V8 9350705

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. A2038701689

Mercedes CL203 Antenna Amplifier Control Module Unit Aerial Booster A2038701689

Product currently unavailable

Part no. 8625068-1

Mini Cooper R56 LCI R58 N16 1.6 122HP Engine ECU Kit DME 8625068 CAS 3 + Key

Product currently unavailable

Part no. 7639421

Mini Cooper S R56 LCI R60 N18 184HP Engine ECU Control Unit DME 7639421 Manual

Product currently unavailable

Part no. 9687656980

Citroen C3 Picasso Negative Battery Terminal Cable Wiring Lead 9687656980

Product currently unavailable

Part no. 8588946-2

BMW X3 F25 20dX 190HP B47 Engine Control Unit ECU Kit DDE 8588946 Key CAS4

Product currently unavailable

Part no. 4461712

Ford Transit MK6 2.4 Diesel Engine Alternator Generator 4461712

Product currently unavailable

Part no. A0038208286

Mercedes W140 Head Unit Radio Player Control Module Becker A0038208286

Product currently unavailable

Part no. 6966925

BMW E60 E90 Dashboard Onboard Monitor Display Screen 8.8" 6966925

Product currently unavailable

Part no. 3AA919475N

Volkswagen Passat B7 PDC Parking Assistant Module Control Unit 3AA919475N

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. A1715451332

Mercedes SLK R171 Parking Distance Aid Sensor Control Unit Module A1715451332

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. 7555361-8

BMW E60 E90 N52 325i 525i 218HP Engine ECU Kit DME 7555361 CAS2 Key Automatic

Product currently unavailable

Part no. 7553166-3

BMW E60 E90 E91 N52 330i 530i ECU Kit DME CAS2 Key 7553166 Automatic

Product currently unavailable

Part no. A1718200786

Mercedes SLK R171 Stereo Radio CD Player Head Unit A1718200786

Product currently unavailable

Part no. 0165459232

Mercedes Sprinter W901 Central Lock Locking Control Unit Module A0165459232

Product currently unavailable

Part no. 55230143

Fiat Doblo Engine Wiring Loom Cable Harness 55230143

Product currently unavailable

Part no. 8W0959655P

Audi A4 B9 Air Module System Control Sensor ECU Unit 8W0959655P

Product currently unavailable

Part no. 3AA962243

Audi A8L 4H Tailgate Lift Boot Lid Control Unit Module Trunk 3AA962243

Product currently unavailable

Part no. A0018203126

Mercedes W168 Air Module Belt Locking System Sensor Control Unit Module ECU

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. 4E0955559C-1

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

Product currently unavailable

Part no. 9286113

BMW F20 F21 F22 F30 F32 FEM Module ECU Control Unit Fuse Box 9286113

Product currently unavailable

Part no. 6866454

VDC Module BMW F01 F07 F10 F11 F12 Rear Suspension Level Control Unit 6866454

Product currently unavailable

Part no. 7599881-8

BMW E87 LCI E90 E91 118i 318i Petrol N43 143HP ECU KIT DME 7599881 CAS3 + Key

Product currently unavailable

Part no. 94860410600

Porsche Cayenne 9PA Engine Starter Motor Unit 94860410600

Product currently unavailable

Part no. A2129006924

Mercedes W207 W212 SAM Module Fuse Box Relay Control Unit A2129006924

Product currently unavailable

...

Showing 12079-12177 of 18495 products