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 V177 C118 W247 Fuse Box Relay Control Unit Module A1775404507

Product currently unavailable

Part no. A1775400630

Parking Sensor Wiring Mercedes W177 V177 Rear Bumper PDC Loom Cable A1775400630

Product currently unavailable

Part no. A2469000012-3

Mercedes W176 W246 Radio Head Unit COMAND Navi Player Control Unit A2469000012

Product currently unavailable

Part no. A2139003217

Gearbox Module Mercedes W177 W205 W213 Control Unit ECU Automatic A2139003217

Product currently unavailable

Part no. A2075401650-1

Mercedes W204 Fuse Prefuse Box Relay Electrical Control Unit A2075401650

Product currently unavailable

Part no. A2319007707

Mercedes W204 Fuse Box Relay Control Unit Electric Module SAM A2319007707

Product currently unavailable

Part no. A2218209089

Mercedes W221 Final Stage Speaker Booster Amplifier Sound System A2218209089

Product currently unavailable

Part no. A2721533779-3

Mercedes A209 SLK350 272.960 272HP Engine Module ECU A2721533779 Automatic

Product currently unavailable

Part no. A2059008304

Mercedes W205 SAM Module Rear Body Comfort Control Unit ECU A2059008304

Product currently unavailable

Part no. A2518706689

Mercedes W164 Sound Audio Amplifier Module Harman A2518706689

Product currently unavailable

Part no. A2229005317

Tuner Box Mercedes W213 W205 W222 Digital Audio Control Unit DAB ECE A2229005317

Product currently unavailable

Part no. A2711534691-3

Mercedes R171 SLK200 271.944 163HP Engine ECU Kit A2711534691 Key Lock Ignition

Product currently unavailable

Part no. A2129007126-1

Radio Head Unit Mercedes W207 W212 COMAND Navi CD Player Navigation A2129007126

Product currently unavailable

Part no. A2709002100-2

Mercedes W176 A45 AMG 133.980 381HP Engine Unit ECU Kit A2709002100 Key Lock

Product currently unavailable

Part no. A2095452301-1

Mercedes W209 Convertible Fuse Box Rear SAM Module Control Unit A2095452301

Product currently unavailable

Part no. A1644400040

Mercedes W164 Daytime Running Lights Wiring Harness Cable Front A1644400040

Product currently unavailable

Part no. A0055411001

Mercedes VRLA / AGM 12V Accumulator Battery 95Ah 850A A0055411001

Product currently unavailable

Part no. A9075463500

Mercedes W907 Wiring Cable Harness Bracket Mount Trim A9075463500

Product currently unavailable

Part no. A0009930860

Mercedes R171 W203 W204 W212 Engine Control Unit ECU Pin Bracket Set A0009930860

Product currently unavailable

Part no. A6421507733

Mercedes ML W164 OM642 Diesel Engine Wiring Loom Harness Cable A6421507733

Product currently unavailable

Part no. A2135402531

Mercedes W213 Door Wiring Harness Loom Front Right O/S A2135402531

Product currently unavailable

Part no. A2711539879-1

Mercedes CLC CL203 C160 122HP 271.921 Engine Unit ECU A2711539879 Automatic

Product currently unavailable

Part no. A6519007500-22

Mercedes C204 C250CDI 651.911 Engine ECU Kit A6519007500 Ignition + 2 Keys

Product currently unavailable

Part no. A2059007727

Seat Module Mercedes W205 W253 Memory Control Unit Driver's Side A2059007727

Product currently unavailable

Part no. A9069000904

Mercedes W906 Radio Sat Nav Navigation System Head Unit Screen A9069000904

Product currently unavailable

Part no. A2059001311

Mercedes W205 Door Module Front Left N/S Control Unit ECU A2059001311

Product currently unavailable

Part no. A9065403527-1

Positive Cable Mercedes W906 OM651 Battery Starter Alternator Plus A9065403527

Product currently unavailable

Part no. A0009059300-CVB1

Mercedes W205 W212 W246 Parking Distance Sensor Set x2 Cavansite Blue - 890

Product currently unavailable

Part no. A0009009400

Mercedes A207 Automatic Gearbox Transmission Control Module ECU A0009009400

Product currently unavailable

Part no. A2118206026

Mercedes W211 Rain And Light Sensor Control Unit Module ECU A2118206026

Product currently unavailable

Part no. A1718200726-1

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

Product currently unavailable

Part no. A0993200258

Mercedes W213 C238 Air Suspension Valve Block Control Unit Module A0993200258

Product currently unavailable

Part no. A1645400436

Mercedes ML164 Alternator Wiring Starter Motor Harness OM642 A1645400436

Product currently unavailable

Part no. A2719000600-1

Mercedes W203 C180 Kompressor M271.946 Engine Unit ECU Kit A2719000600 Key Lock

Product currently unavailable

Part no. rhd-A2038209315-1

Mercedes W203 Electrical Wiring Cable Connection Media Interface A2128270026

Product currently unavailable

Part no. A1775407455

Mercedes C118 W177 W247 Earth Ground Cable Wiring Harness M260 A1775407455

Product currently unavailable

Part no. A1682901104

Mercedes-Benz A-Class W168 AKS Automatic Clutch System Module Actuator Unit

Product currently unavailable

Part no. A6519007600

Mercedes W176 A180 CDI BlueEFFICIENCY OM651.901 Engine Module ECU A6519007600

Product currently unavailable

Part no. A9064402341

Positive Cable Mercedes W906 OM651 Battery Starter Alternator Plus A9064402341

Product currently unavailable

Part no. A0009056613

Radar Sensor Mercedes W177 W205 W247 Front Distronic Module Unit A0009056613

Product currently unavailable

Part no. a2469004716

Radio CD Player Mercedes W176 W246 Audio Navigation Stereo Head Unit A2469004716

Product currently unavailable

Part no. A6421501500-2

Mercedes W639 3.0CDI OM642.990 Engine Control Unit ECU Kit A6421501500 Key Lock

Product currently unavailable

Part no. A0015453916

Mercedes CL 203 Automatic Gearbox Control Unit Module ECU A0015453916

Product currently unavailable

Part no. A2218702686

Mercedes W221 Head Unit Radio Player Media Navigation DVD Changer A2218702686

Product currently unavailable

Part no. A2711534691-2

Mercedes SLK200 R171 271.944 163HP Engine ECU Kit Key Lock A2711534691 Automatic

Product currently unavailable

Part no. A0215455632

Mercedes Sprinter W901 OM602 Engine Control Unit ECU Module A0215455632 Manual

Product currently unavailable

Part no. A1665420218

Negative Cable Mercedes W169 W204 W212 Battery Boot Negative Lead Sensor

Product currently unavailable

Part no. A0009001108

Mercedes W205 Hybrid Battery Charging Control Unit A0009001108

Product currently unavailable

Part no. B67876168

Mercedes A209 Telephone Adapter Module Control Unit ECU Bluetooth B67876168

Product currently unavailable

Part no. A6549009900

Glow Plug Relay Mercedes W177 Diesel OM654 Preglow Module A6549009900

Product currently unavailable

Part no. A2469008819-1

Mercedes W176 W246 Radio Head Unit Audio Media Player Navigation A2469008819

Product currently unavailable

Part no. A2389000401

Mercedes C238 E53 Coupe Window Lifter Comfort Module Unit Rear A2389000401

Product currently unavailable

Part no. A1663275245

Mercedes GLE W166 C292 Air Suspension Control Unit Module ECU A1663275245

Product currently unavailable

Part no. A2178706189

CD Changer Mercedes W164 CD Changer 6 Disc Player A2178706189

Product currently unavailable

Part no. A9065403527

Positive Cable Mercedes W906 OM651 Battery Starter Alternator Plus A9065403527

Product currently unavailable

Part no. A2128203885

Door Module Mercedes W212 Rear Left N/S Door Control Unit Module A2128203885

Product currently unavailable

Part no. A2129009229

Mercedes R172 Door Module Mercedes Front Right O/S Control Unit A2129009229

Product currently unavailable

Part no. A2218702826

Mercedes W203 W209 W221 Windscreen Rain Sensor Control Module A2218702826

Product currently unavailable

Part no. A2115405945

Mercedes W211 Electronic Stability Module ESP PML Control Unit A2115405945

Product currently unavailable

Part no. A6471531679-1

Mercedes W211 E270 CDI 647.961 177HP Engine Unit ECU Kit A6471531679 Key Lock

Product currently unavailable

Part no. A2649001200-3

Mercedes W177 A35 AMG 306HP 260.920 Engine ECU Kit A2649001200 Key BCM Automatic

Product currently unavailable

Part no. A2479007314

Mercedes CLA 200 C118 Instrument Cluster Electronics Control Module A2479007314

Product currently unavailable

Part no. A2129009125

SAM Module Mercedes W212 CLS W218 Fuse Box Relay Control Unit A2129009125

Product currently unavailable

Part no. rhd-A2185404307

Mercedes CLS W218 Door Wiring Harness Loom Front Left Right N/O/S A2185404307

Product currently unavailable

Part no. A2925404401

Mercedes ML W166 GLE C292 Front Bumper Parking Sensor Wiring Harness A2925404401

Product currently unavailable

Part no. A2479001506

Mercedes C118 W177 W247 Body Control Module BCM V2 A2479001506

Product currently unavailable

Part no. A2135406825

Mercedes W213 Front Door Wiring Harness Ambiente Passenger Side A2135406825

Product currently unavailable

Part no. A1665400616

Mercedes ML W166 Front Bumper Pedestrian Protection Wiring Harness A1665400616

Product currently unavailable

Part no. A1649005401

Mercedes ML W164 W251 Rear SAM Module Control Unit ECU A1649005401

Product currently unavailable

Part no. A6269010000-2

Mercedes W205 C200d 626.951 170HP Engine Unit ECU Kit A6269000000 Key + Ignition

Product currently unavailable

Part no. A2118704390

TV Tuner Mercedes ML W164 W211 CLS C219 Video Control Unit Module A2118704390

Product currently unavailable

Part no. A1665400716

Mercedes ML W166 Front Bumper Camera Wiring Harness Cable A1665400716

Product currently unavailable

Part no. A2218207289

Mercedes W221 TV Receiver Boot Left TV DVB Digital Analog Tuner A2218207289

Product currently unavailable

Part no. A2218709586

Mercedes W221 Front Door Control Left N/S Module Unit ECU A2218709586

Product currently unavailable

Part no. A1699001600

Mercedes-Benz W169 W245 48V Technology SAM Control Module Fuse Box A1699001600

Product currently unavailable

Part no. A2118704789

Radio Head Unit Mercedes C219 W211 CD Player Audio Navi A2118704789

Product currently unavailable

Part no. A2139004009

Mercedes W213 Door Module Front Left N/S Control Unit A2139004009

Product currently unavailable

Part no. A2139060303-1

Mercedes W205 Navigation 2015/2016 Update SD Card Road Map Europe A2139060303

Product currently unavailable

Part no. A2711539179-1

Mercedes W203 C200 Kompressor 163HP M271.940 Engine ECU Kit A2711539179 Key Lock

Product currently unavailable

Part no. A2721533391-1

Mercedes W209 M272.940 CLK280 231HP Engine Module ECU Kit A2721531291 Key

Product currently unavailable

Part no. A4475407880

Mercedes Vito W447 Front Passenger Side Fuse Box Control Unit Module A4475407880

Product currently unavailable

Part no. A6079002200

Mercedes W176 A180 CDI OM607 Engine Unit Module ECU A6079002200 Automatic

Product currently unavailable

Part no. RHD-A2135409130

Mercedes W213 Front Door Wiring Harness Keyless Driver's Side A2135409130

Product currently unavailable

Part no. A6519009402

Mercedes W245 B200 CDI Blue Efficiency OM651.901 Engine Unit ECU A6519009402

Product currently unavailable

Part no. A2139005009

Mercedes W213 Door Module Rear Right O/S Control Unit A2139005009

Product currently unavailable

Part no. A2215402462

Mercedes W221 SAM Fuse Box Comfort Control Module Unit ECU A2215402462

Product currently unavailable

Part no. A6519000601-2

Mercedes W906 313 CDI OM651.955 Diesel Engine ECU Kit A6519000601 Key Lock

Product currently unavailable

Part no. A2711539779

Mercedes R171 SLK 200 163HP M271.944 Kompressor Engine ECU A2711539779 Automatic

Product currently unavailable

Part no. A2135404825

Mercedes W213 Front Door Wiring Harness Ambiente Driver's Side A2135404825

Product currently unavailable

Part no. A2315400282

Mercedes R231 Fuse Box Cover Control Unit Holder Bracket A2315400282

Product currently unavailable

Part no. A2189065900

Headlight Module Mercedes ML W166 W246 C292 LED Front Right O/S 1305715307

Product currently unavailable

Part no. rhd-A1635404032

Mercedes-Benz W163 OM612 270 CDI Engine Wiring Harness Loom Cable A1635404032

Product currently unavailable

Part no. A2135407525

Mercedes W213 Rear Door Wiring Harness Ambiente Left Right N/O/S A2135407525

Product currently unavailable

Part no. A6519007902-1

Mercedes W906 313CDi OM651.955 129HP Engine Unit ECU Kit A6519007902 Key Lock

Product currently unavailable

Part no. A2128700194

Mercedes W204 W212 C218 Sound Audio Amplifier Harman Becker A2128700194

Product currently unavailable

Part no. A6079002200-4

Mercedes W176 A180 CDI OM607.951 BE 109HP Engine ECU Kit A6079002200 Lock + Key

Product currently unavailable

Part no. A2535404501

Mercedes X253 OM651 Diesel Fuse Relay Box HV Battery Distribution A2535404501

Product currently unavailable

Part no. A2229003210

Mercedes W205 Head Unit Audio Player Radio Sat Nav Module A2229003210

Product currently unavailable

Part no. A2709002100-10

Mercedes C117 W176 45 AMG 133.980 Engine Control Unit ECU A2709002100 Automatic

Product currently unavailable

...

Showing 3763-3861 of 5984 products