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-Benz Sprinter W906 Front Left N/S Door Wiring Loom Harness A9060005999

Product currently unavailable

Part no. 3456393-1

Mini Cooper R60 ECU Footwell Light Module Unit AHL EKS PL3 FRM3R Lear 3456393

Product currently unavailable

Part no. A1725420023-1

Parking Sensor Display Mercedes W176 W204 W246 Dashboard Panel PDC A1725420023

Product currently unavailable

Part no. 5QF959655BT

Seat Ibiza Mk5 Air Module Control Unit 5QF959655BT

Product currently unavailable

Part no. 6986301

BMW E65 E66 Dashboard Control Display Screen 8,8" 6986301 9137123

Product currently unavailable

Part no. 8P0907530B

Audi A3 8P Gateway Control Unit Module ECU 8P0907530B

Product currently unavailable

Part no. A2059004113-1

Mercedes S205 Display Screen Multimedia Navigation Sat Head Unit A2059004113

Product currently unavailable

Part no. 04L907309B-3

Skoda Octavia Mk3 5E 1.6 TDI CLHA 105HP Engine ECU Kit Ignition + Key 04L907309B

Product currently unavailable

Part no. 4L0910655B

Audi Q7 4L ECU Air Module Control Unit Crash Impact Sensor 4L0910655B

Product currently unavailable

Part no. 8S0820043

Audi TT FV A/C Air Condition Climate Control Module Unit ECU 8S0820043

Product currently unavailable

Part no. CK52-14G053-AC

Range Rover L405 Rear Seat 18 Way Adjust Control Module Left N/S CK52-14G053-AC

Product currently unavailable

Part no. 4H0907217F

Audi A7 4G Front Camera Assistance Line Unit 4H0907217F

Product currently unavailable

Part no. 9230455

BMW E81 Footwell ECU Light Control Module Basis PL2 FRM3R Lear 9230455

Product currently unavailable

Part no. 9249073

BMW X5 E70 LCI Light Module Footwell Module FRM3R Lear ECU Unit 9249073

Product currently unavailable

Part no. 8N0906018CN

Audi TT 8N 1.8T AUQ 180HP Petrol Engine Control Unit ECU 8N0906018CN Automatic

Product currently unavailable

Part no. PARROT-MICROPHONE

Parrot Microphone Hands-Free System Mic With Mounting Bracket Support

Product currently unavailable

Part no. A2038201311

Phone Adapter Mercedes W203 W211 Contact Plate Holder Telephone A2038201311

Product currently unavailable

Part no. A2128203985

Mercedes W204 W212 Door Module Rear Left N/S Control Unit Module A2128203985

Product currently unavailable

Part no. A2709002100-9

Mercedes W176 A160 W246 B160 270.910 102HP Engine ECU Unit A2709002100 Manual

Product currently unavailable

Part no. 3457029

Footwell Light Module Mini R60 Unit Low EKS ECU PL3 FRM3R 3457029

Product currently unavailable

Part no. 8506281-1

BMW E87 E90 LCI 116d 316d Diesel N47 ECU KIT Engine DDE 8506281 CAS3 Key Manual

Product currently unavailable

Part no. 7520019-4

BMW MINI Cooper R50 W10 116HP Engine ECU Kit DME + EWS + 2 Keys 7520019 Manual

Product currently unavailable

Part no. 9192641

BMW 5 Series E60 LCI Light Module Control Unit ECU Lear LM II E6X LWR 9192641

Product currently unavailable

Part no. 8P4945095C-2

Audi A3 8P Rear Tail Lamp Light Wiring Harness Plug Inner Left N/S 8P4945095C

Product currently unavailable

Part no. 8V21-10300-AB

Ford Focus Diesel Engine Alternator Generator Engine Unit 8V21-10300-AB

Product currently unavailable

Part no. A0051511601

Mercedes W168 Vaneo W414 Diesel Engine Speed Starter Motor A0051511601

Product currently unavailable

Part no. 8518168-1

BMW E81 E82 E87 LCI E88 123d Engine N47S ECU Kit DDE 8518168 CAS3 + Key Manual

Product currently unavailable

Part no. 03G906018FC-1

Volkswagen Golf 5 1K 2.0 TDI BMN 170HP Engine ECU Kit 03G906018FC 2 Key Ignition

Product currently unavailable

Part no. 02Z911024H-1

Seat Ibiza IV VW Polo 6R Fabia 5J 1.2 TDI Diesel Engine Starter Motor 02Z911024H

Product currently unavailable

Part no. 8K0907357B

Audi A4 B8 Headlight Range Module Control Unit ECU 8K0907357B

Product currently unavailable

Part no. 9145103

BMW E60 E63 E64 On-Board Navigation Monitor Display Screen 6,5" 9145103

Product currently unavailable

Part no. 9335351

BMW F20 Radio Professional CD Player Control Module 9335351

Product currently unavailable

Part no. 7567178-3

BMW E60 E90 523i 323i Petrol N52 177HP ECU Kit DME 7567178 CAS3 + Key Automatic

Product currently unavailable

Part no. 7LA937548

Volkswagen Transporter T6 Power Distribution Unit Box With Bracket 7LA937548

Product currently unavailable

Part no. 0CQ907554C

Audi A3 S3 8V Rear Differential Module Quattro Control Unit 0CQ907554C

Product currently unavailable

Part no. 8E0907307D

Audi A4 B7 Servotronic Steering Control Unit Module 8E0907307D

Product currently unavailable

Part no. 4K0915459

Audi A6 C8 Battery Postive Terminal Distribution Power Board 4K0915459

Product currently unavailable

Part no. 9286156

BMW X3 F25 Footwell Light Module Control Unit ECU FRM3 9286156

Product currently unavailable

Part no. 9214925-1

BMW E60 E61 CIC Professional Navigation System Controller Head Unit 9214925

Product currently unavailable

Part no. 03L906018AN-1

Volkswagen Golf Mk6 Variant Scirocco Diesel ECU Engine Control Unit 03L906018AN

Product currently unavailable

Part no. 5Q0980653G

Audi TT FV Front Camera Module Lane Assist Control Unit 5Q0980653G

Product currently unavailable

Part no. 8268997

BMW 3 6 Series E46 E64 Headlight Control Level Sensor Bracket 8268997

Product currently unavailable

Part no. 038903024F

VW Volkswagen New Beetle 1.9 TDI BSW Diesel Alternator Generator 038903024F

Product currently unavailable

Part no. 7541335-5

BMW Z4 E85 2.2i M54 170HP Engine Control ECU Kit DME 7541335 EWS3 + Key Manual

Product currently unavailable

Part no. A2129001327

Door Module Mercedes W204 W212 Rear Right O/S Control Unit Module A2129001327

Product currently unavailable

Part no. 9123091

BMW 1 3 Series E87 E90 E92 Navigation System Car Computer CCC 6955786

Product currently unavailable

Part no. A0185454132

Mercedes W202 Ignition Engine Control Unit Module C180 M111 Petrol A0185454132

Product currently unavailable

Part no. 9110678

BMW E81 E87 E90 E91 E92 Radio CD Professional 9110678

Product currently unavailable

Part no. 8E0907279N

Audi A4 B7 Body Control Module BCM Comfort Control Unit Power Supply 8E0907279N

Product currently unavailable

Part no. JK2T15604FAE

Ford Transit Custom Body Control Module BCM Control Unit ECU JK2T-15604-FAE

Product currently unavailable

Part no. 1491834

Ford Focus Mk2 Positive Plus + Battery Wiring Cable Lid 6M5T-14A280-CD

Product currently unavailable

Part no. A2035460180

Mercedes-Benz C-Class S203 W203 Cable Rail Guide Sensors ABS A2035460180

Product currently unavailable

Part no. A6429061000

Mercedes W204 W213 ML W166 OM642 Diesel Engine Starter Starting Unit A6429061000

Product currently unavailable

Part no. 9183564

BMW E61 E61N LCI Antenna Amplifier Diversity 868 MHZ 9183564 6985531 6934478

Product currently unavailable

Part no. 9223689

BMW X1 E84 Display Screen Monitor On-board CID TV Navigation System 8,8" 9223689

Product currently unavailable

Part no. A0045423918

Yaw Sensor Mercedes ML W164 W221 W251 ESP Rotation Rate Unit Module A0045423918

Product currently unavailable

Part no. 7L0919283F

Volkswagen Touareg PDC Parking Sensor Control Unit Module 7L0919283F

Product currently unavailable

Part no. 6827072-2

Mini Cooper One R56 Footwell Light Module High EKS ECU PL3 FRM3R 6827072

Product currently unavailable

Part no. 9380156

BMW F80 M3 LCI Telematic Control module Comunication Unit ATM ECE 4G 6820726

Product currently unavailable

Part no. 9350064

BMW G11 G12 G30 G31 Battery Cable Plus Pole Power Positive Wire Red 9350064

Product currently unavailable

Part no. 6941593

BMW 5 Series E60 Light Control Module Unit Lear LME6X (LCM) 6941593

Product currently unavailable

Part no. 9199389

BMW Z4 E89 Radio CD Player Head Unit BMW Professional 9199389

Product currently unavailable

Part no. 4G0907401Q

Audi A6 C7 Quatro Engine ECU Control Module Unit 3.0 TDI CDUD 245HP 4G0907401Q

Product currently unavailable

Part no. 9853369-1

BMW X3 G01 Rear Lamp LED Tail Light Wiring Harness Cable Plug Left N/S 9853369

Product currently unavailable

Part no. A1669005420

Mercedes W166 Radio Sat Nav CD Multimedia Control Central Head Unit A1669005420

Product currently unavailable

Part no. 4G0035056

Audi A4 B8 Sat Nav Multimedia DAB Radio Control Head Unit 4G0035056

Product currently unavailable

Part no. A0028272104-1

Mercedes W204 USB Port Cable Multimedia Interface Cable MI2-Ipod A0028272104

Product currently unavailable

Part no. 04L911021B

Audi A4 B9 Engine Starter Motor Actuator Starter 04L911021B

Product currently unavailable

Part no. 8P0907279P

Audi A3 8P Gateway Interface Onboard Supply Control Module Unit ECU 8P0907279P

Product currently unavailable

Part no. 9474810

Air Module BMW G30 G31 X3 G01 X4 G02 SRS Control Unit ECU 9474810

Product currently unavailable

Part no. 6929148

BMW E63 E64 Front Bumper PDC Loom Cables Wiring Set 6929148

Product currently unavailable

Part no. CK52-14G043-AC

Range Rover L405 Rear Seat 18 Way Adjust Control Module Right O/S CK52-14G043-AC

Product currently unavailable

Part no. A1645407901

Mercedes V251 Gateway Module Control Unit ECU A1645407901

Product currently unavailable

Part no. AH42-19C164-BB

Land Rover Discovery 4 L319 Amplifier Harman Kardon Logic7 AH42-19C164-BB

Product currently unavailable

Part no. 8506570-2

BMW X5 E70 X6 E71 30dX Diesel N57 245HP Engine ECU Kit DDE 8506570 CAS3 + Key

Product currently unavailable

Part no. 8V0035036C

Audi A3 8V MMI Multimedia Interface Head Unit GPS Sat Nav Module 8V0035036C

Product currently unavailable

Part no. 9138440

BMW 5 Series E60 E61 CCC CD Professional Navigation System Controller 9138440

Product currently unavailable

Part no. 9240077

BMW E93 Cabrio Convertible Folding Top Roof ECU Module CTM 9240077

Product currently unavailable

Part no. A1699002100

Mercedes W245 Head Unit Radio CD Media Player Telephone Unit A1699002100

Product currently unavailable

Part no. 7580279-9

BMW E87 E90 118i 318i N43 Engine Control Unit Module ECU DME 7580279 Automatic

Product currently unavailable

Part no. 5N0945095Q-2

VW Tiguan 5N Taillight Side Panel Wire Socket Connector Rear Left N/S 5N0945095Q

Product currently unavailable

Part no. 04B907445

Volkswagen Polo 6R 1.4 TDI CR 75HP CUSA Engine ECU Kit 04B907445 Key BCM Manual

Product currently unavailable

Part no. 6933866

TV Function Module BMW E65 E66 E67 Video Control Unit Tuner 6933866

Product currently unavailable

Part no. A2129004008

Mercedes C207 Stereo Radio CD Player Head Unit A2129004008

Product currently unavailable

Part no. 8200969856

Renault Trafic II Airbag Module Control Unit ECU Car Safety Sensor 8200969856

Product currently unavailable

Part no. A9065450003-1

Mercedes Sprinter W906 Fuse Box Cover Trim Panel Lid Grey A6395450003

Product currently unavailable

Part no. 7812070

Mini Cooper Clubman R55 R56 W16 1.6 Diesel Engine Starter Motor 7802945

Product currently unavailable

Part no. 3C0907530L

Volkswagen Passat B6 CC Gateway Control Module Can Bus Interface 3C0907530L

Product currently unavailable

Part no. 7545789-6

Mini One R50 W10 90HP Engine Control Unit ECU DME 7545789 Manual Transmission

Product currently unavailable

Part no. 02M911024A

Volkswagen VW Golf VI Passat B6 Tiguan Starter Motor Diesel Engine 02M911024A

Product currently unavailable

Part no. 7798076

BMW E60 E61 E63 E64 LCI Electrical Battery Earth Cable 330MM 7798076

Product currently unavailable

Part no. 7L0959933H

VW Touareg 7L Body Control Comfort Unit Module STG Convenience ECU 7L0959933H

Product currently unavailable

Part no. 7123023

BMW Z4 Series E85 Emergency Release Folding Top 7123023

Product currently unavailable

Part no. 9215649

Mini Clubman R55 Rear Right O/S Wiring Loom Cable Harness Set 9215649

Product currently unavailable

Part no. A2105401530

Mercedes-Benz E W210 Battery Starter Alternator Positive Plus Cable A2105401530

Product currently unavailable

Part no. 0AM911024A

Volkswagen Passat B7 Engine Starter Motor Actuator Starter 0AM911024A

Product currently unavailable

Part no. 1T0971121AC

Volkswagen VW Touran Door Harness Loom Cable Wiring Front Driver 1T0971121AC

Product currently unavailable

Part no. A2118703794

Mercedes W169 W211 W245 Sound Audio Amplifier Unit Harman Becker A2118703794

Product currently unavailable

Part no. 6928935

BMW E82 E90 E92 Aerial Antenna Amplifier Diversity DAB Control Unit 6928935

Product currently unavailable

...

Showing 16633-16731 of 18495 products