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 W202 W208 R129 Alternator 14V 115A 0101543202 0123510068

Product currently unavailable

Part no. A2229009519

Mercedes C238 Head Unit Radio CD Player Audio Sat Nav Control A2229009519

Product currently unavailable

Part no. A6461502634

Mercedes Vito W639 Diesel OM646.980 Engine Control Unit Module ECU A6461502634

Product currently unavailable

Part no. A2038209089

Mercedes W203 C209 C215 W163 W220 W639 CD Changer Magazine Cartridge A0028206289

Product currently unavailable

Part no. A2139001223

Mercedes W205 Ignition Control Unit A2139001223

Product currently unavailable

Part no. A0009058802

Mercedes W166 W205 W212 Rear Bumper Blind Spot Radar Sensor Module A0009058802

Product currently unavailable

Part no. A2465409711

Seat Wiring Mercedes C117 W176 W246 Loom Harness Cable Left N/S A2465409711

Product currently unavailable

Part no. A0009001700

Mercedes Vito W639 Automatic Gearbox EGS53 Control Unit Module ECU A0009001700

Product currently unavailable

Part no. A0121541302

Alternator Generator Mercedes W211 W220 R230 M112 Bosch 150A A0121541302

Product currently unavailable

Part no. A2115400131

Mercedes C219 Battery Starter Alternator Ground Earth Cable A2115400131

Product currently unavailable

Part no. A0061517401

Starter Motor Mercedes Sprinter W906 OM651 Diesel Engine 0986021360

Product currently unavailable

Part no. A0005401203

Mercedes GLC 300e X253 Coupe Hybrid Electrical Battery Wire A0005401203

Product currently unavailable

Part no. A2218703787

Voice Control Module Mercedes W221 Linguatronic Input System Dutch A2218703787

Product currently unavailable

Part no. A1715451301-1

Mercedes SLK R171 Roadster Fuse Box Control Unit SAM Module Relay A1715451301

Product currently unavailable

Part no. A1695407705-1

Mercedes W169 W245 Door Cable Harness Wiring Loom Front Left N/S A1695407705

Product currently unavailable

Part no. A2129006709-1

Mercedes C207 W212 Head Unit High Line Radio Sat Nav DVD Bluetooth A2129006709

Product currently unavailable

Part no. A0009059906

Distance Radar Module Mercedes GLE W166 C292 Control Unit A0009059906

Product currently unavailable

Part no. A2661500101

Mercedes-Benz A B Class W169 W245 48V Starter Alternator Generator A2661500101

Product currently unavailable

Part no. A0002703352

Mercedes W164 C207 Automatic Gearbox ECU Control Unit EGS Module A0002703352

Product currently unavailable

Part no. rhd-A6395402273

Mercedes Vito W639 Control Unit Module Bracket Holder Carrier A6395402273

Product currently unavailable

Part no. A2139007107

Mercedes W213 Seat Control Module Unit ECU A2139007107

Product currently unavailable

Part no. A6394460332

Mercedes Vito Viano W639 Side Sliding Door Control Unit Module A6394460332

Product currently unavailable

Part no. A2649001000

Mercedes W205 Petrol Engine Alternator Electrical Cable A2649001000

Product currently unavailable

Part no. A1121535479

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

Product currently unavailable

Part no. A6395407009

Mercedes W639 Wiring Harness Loom Front Door Exit Lights Left N/S A6395407009

Product currently unavailable

Part no. A2731532979-1

Mercedes W221 S500 M273.961 388HP Engine Control Unit ECU Kit A2731532979 Key

Product currently unavailable

Part no. A1698202561

Mercedes W245 Headlight Headlamp Lamp Light Wiring Front Left N/S A1698202561

Product currently unavailable

Part no. A1248205926

Mercedes W124 S124 Central Lock Control Unit Module A1248205926

Product currently unavailable

Part no. A9075400500

Mercedes W907 Battery Cable Wiring Loom Harness Cabling A9075400500

Product currently unavailable

Part no. A6461506378-1

Mercedes W906 311CDI OM646.985 109HP Engine Unit Module ECU A6461506378 Manual

Product currently unavailable

Part no. rhd-A2055451540

Mercedes W205 SAM Module Control Unit Bracket Cover Holder Carrier A2055451540

Product currently unavailable

Part no. A0141540402

Alternator Mercedes W164 OM272 Engine Alternator 180A 14V Valeo A0141540402

Product currently unavailable

Part no. A2909003001-1

Mercedes C238 Transfer Case Torque Distribution Control ECU E53 4matic

Product currently unavailable

Part no. A2215400210

Mercedes W221 Door Wiring Cable Rear Right O/S Door Loom Harness A2215400210

Product currently unavailable

Part no. A0275458032

Mercedes-Benz A E Class W168 W210 Module Control Unit Fan ECU A0275458032

Product currently unavailable

Part no. A2469007416

Mercedes W176 W246 Radio CD Player Audio Navigation Stereo Head Unit A2469007416

Product currently unavailable

Part no. A2479002205

Mercedes W177 Body Comfort Control Module Unit BCM V2 A2479002205

Product currently unavailable

Part no. A4475406777

Alternator Wire Mercedes Vito W447 Battery Alternator Cable A4475406777

Product currently unavailable

Part no. A1679003418

Mercedes W205 C253 W257 Door Module Rear Left N/S Control Unit ECU A1679003418

Product currently unavailable

Part no. A1405420732

Mercedes C140 Headlight Module Ballast Relay Control Unit LCM A1405420732

Product currently unavailable

Part no. A6511506190

Mercedes W906 Engine Installation Wiring Harness Loom A6511592725

Product currently unavailable

Part no. A6401507479

Mercedes-Benz W169 W245 A B 200 CDI Engine Control Unit Module ECU A6401507479

Product currently unavailable

Part no. A1679002718-1

Mercedes W205 C253 W257 Door Module Front Left N/S Control Unit ECU A1679002718

Product currently unavailable

Part no. A4475411200

Mercedes Vito W447 Battery Support Holder Bracket Mount Tray A4475411200

Product currently unavailable

Part no. A2219007701

Mercedes W221 Door Module Rear Right Left N/O/S Control Unit A2219007701

Product currently unavailable

Part no. A1715409506

Mercedes R171 Window Control Switch Wiring Cable Driver Side A1715409506

Product currently unavailable

Part no. A6111532379

Mercedes-Benz W203 C 220 CDI OM611 Engine Control Unit Module ECU A6111532379

Product currently unavailable

Part no. 0165459232

Mercedes Sprinter W901 Central Lock Locking Control Unit Module A0165459232

Product currently unavailable

Part no. A0555452928

Mercedes W204 C207 C209 W212 W222 Engine Wiring Loom Harness Cable A0555452928

Product currently unavailable

Part no. A2034400033-1

Mercedes CLC CL203 1 Wiring Loom Cable Door Front Left Right N/O/S A2034400033

Product currently unavailable

Part no. A2198203426

Mercedes C219 Rear Door Control Module Unit Left N/S A2198203426

Product currently unavailable

Part no. A0005400072

Mercedes W202 A208 C208 W208 W210 Fuse Box Relay Control Unit A0005400072

Product currently unavailable

Part no. RHD-A2114402608

Mercedes W211 Wiring Harness Electrical Center SAM To Wiper Motor A2114402608

Product currently unavailable

Part no. A2535402128

Mercedes X253 Starter Motor Wiring Harness Cable A2535402128

Product currently unavailable

Part no. A0009002740

Camera Module Mercedes C205 W247 GLC X253 W910 Control Unit A0009002740

Product currently unavailable

Part no. A2028207426

Mercedes W202 W208 Anti Theft Alarm Module Control Unit ECU A2028207426

Product currently unavailable

Part no. A2075453840

Mercedes-Benz E W207 Cabrio A207 Exhaust BlueTec Control Unit Module Bracket

Product currently unavailable

Part no. A2135404953

Mercedes W205 Battery Cable Electrical Wiring Harness Hybrid A2135404953

Product currently unavailable

Part no. A2108206426

Mercedes-Benz CLK W208 E W210 Xenon Headlight Level Control Unit Module LWR

Product currently unavailable

Part no. A2055400972

Mercedes C205 iDrive System Wiring Loom Harness Cable Unit A2055400972

Product currently unavailable

Part no. A2218702986

Mercedes W221 Seat Control Module SSG Unit Front Left Seat N/S A2218702986

Product currently unavailable

Part no. A2218205375-CS

Mercedes CLK S Class C209 W209 W221 Roof Antenna Shark Radio Silver A2218205375

Product currently unavailable

Part no. A1331420500

Mercedes W176 C117 A45 CLA45 Engine Sound Generator Control Unit A1331420500

Product currently unavailable

Part no. A2125407313

Mercedes W212 Front Bumper PDC Wiring Loom Harness A2125407313

Product currently unavailable

Part no. A1408207126

Mercedes C140 Blinker Hazard Trailer Relay Module Control Unit A1408207126

Product currently unavailable

Part no. A2108207526

Mercedes W202 W210 Front Left Door Control Module A2108207526

Product currently unavailable

Part no. A0061519801

Mercedes W204 W212 W251 Starter Motor 642872 Diesel Engine Starter A0061519801

Product currently unavailable

Part no. A2215408908

Mercedes W221 Door Harness Wiring Loom Rear Right O/S A2215408908

Product currently unavailable

Part no. A4479053905

Mercedes W447 Aerial Antenna Amplifier Control Unit Module A4479053905

Product currently unavailable

Part no. A0015427419

Mercedes C140 W210 Multifunctional Purpose Relay Fuse Unit Module A0015427419

Product currently unavailable

Part no. A2118703485

Mercedes W211 Door Module Rear Right O/S Control Unit ECU A2118703485

Product currently unavailable

Part no. A2075452540

Mercedes-Benz E W207 Cabrio A207 Auxilliary Battery Bracket A2075452540

Product currently unavailable

Part no. A1775409357

Mercedes W177 M282 Starter Alternator Electrical Wiring Harness A1775409357

Product currently unavailable

Part no. A2108200789

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

Product currently unavailable

Part no. A1775401858

Mercedes W118 W177 W247 Starter Alternator Wiring Loom Harness Cable A1775401858

Product currently unavailable

Part no. A6519062800-1

Starter Mercedes W204 W212 W906 Diesel OM651 Starter Motor Bosch A6519062800

Product currently unavailable

Part no. A2515401830

Mercedes W251 Starter Motor Alternator Wiring Harness Cable Loom A2515401830

Product currently unavailable

Part no. A0015426519

Mercedes C140 Brake Pump Relay Electrical Fuse Module Control Unit A0015426519

Product currently unavailable

Part no. A1649007000

Mercedes V251 SAM Body Control Module Rear Unit A1649007000

Product currently unavailable

Part no. A2469008214

Radio CD Player Mercedes W176 W246 Audio Navigation Stereo Head Unit A2469008214

Product currently unavailable

Part no. A2055408012

Mercedes W205 Battery Lead Negative Wire Earth Cable A2055408012

Product currently unavailable

Part no. A2076822704

Trim Panel Mercedes W212 Dashboard Module Control Unit Cover A2076822704

Product currently unavailable

Part no. A6519007401-4

Mercedes Vito W639 OM651.955 129HP Engine Control Unit Module A6519007401

Product currently unavailable

Part no. A6461532591

Mercedes W639 Vito 111 CDI OM646 Engine Unit Module ECU A6461532591 Manual

Product currently unavailable

Part no. A2118702885

Mercedes W211 Door Module Front Right O/S Control Unit ECU A2118702885

Product currently unavailable

Part no. A2661536679-2

Mercedes W169 A170 M166.940 116HP Engine Unit Module ECU A2661536679 Automatic

Product currently unavailable

Part no. A1775400358

Mercedes W177 Ground Line Cable Wire A1775400358

Product currently unavailable

Part no. A2218703086

Mercedes W221 Seat Module Front Right O/S Memory Control Unit A2218703086

Product currently unavailable

Part no. 1005831549

Starter Mercedes W204 W212 Diesel OM642 Starter Motor 1005831549

Product currently unavailable

Part no. A0061514101

Starter Motor Mercedes W164 OM642 Diesel Engine Starter Actuator A0061514101

Product currently unavailable

Part no. A1775408457

Mercedes W118 W177 Alternator Earth Cable Wiring Harness Loom A1775408457

Product currently unavailable

Part no. A1669008606-1

Seat Module Mercedes W176 W246 Front Left N/S Memory Control Unit A1669008606

Product currently unavailable

Part no. A1408201526

Mercedes W140 Seat Heated Heating Control Unit Module ECU A1408201526

Product currently unavailable

Part no. A0008607300-1

Mercedes W177 Steering Wheel Air Module Driver Side Black DAMAGED A0008607300

Product currently unavailable

Part no. A9064407655

Mercedes W906 Bumper Wiring Harness Parktronic PDC Cable Wire Rear A9064407655

Product currently unavailable

Part no. A0255455932

Mercedes-Benz C CLK Class W202 W208 Module Control Unit Fan ECU A0255455932

Product currently unavailable

Part no. A2059005351

Mercedes GLC X253 Electronic Module ECU Control Unit A2059005351

Product currently unavailable

Part no. A2711540902-1

Alternator Generator Mercedes W203 W209 Engine M271 120A 14V A2711540902

Product currently unavailable

Part no. A2139002401

Drivetrain Control Module Mercedes W213 C238 Transmission Unit A2139002401

Product currently unavailable

...

Showing 5248-5346 of 5984 products