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

Find it faster

Match to your vehicle

Make

Volkswagen Sharan 7N Rear Bumper PDC Parking Sensor Wiring Loom Cable 7N0971104B

€28.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 7640132-1

Alternator BMW F20 LCI Mini F30 F56 F60 Alternator Generator DENSO 150A

€32.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. DPLA-70718-NX

Range Rover Evoque L538 Telematics Control Module ECU DPLA-70718-NX

€47.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. JPLA-10755-BC

Range Rover Sport L494 Battery Box Support Plate Bracket Mount JPLA-10755-BC

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. JPLA-53508-AA

Range Rover Sport L494 Sliding Roof Panoramic Sunroof Motor JPLA-53508-AA

€32.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 5F0941475

Seat Leon Cupra 5F LED Headlight Module Left N/S Side 5F0941475

€28.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. N8B2-19G229-AA

Land Rover Range Rover Velar L560 Anti Theft Alarm Siren Horn N8B2-19G229-AA

€146.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 9347914

BMW 5 Series F07 F10 F11 CAS4 Control Unit Key Reading Module 9347914

€51.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 8U0945093N-2

Audi Q3 8U Facelift Rear Tail Light Lamp Left N/S Cable Harness Wire 8U0945093N

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 9468396

BMW U10 X1 U11 X2 U12 Rear Axle Wiring Loom Harness Cable 9468396

€89.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. KK3T-14F642-AG

Ford Transit Custom OBD Connection Port Unit Module KK3T-14F642-AG

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 8W0971277

Audi A4 B9 S4 8W A5 S5 F5 Front Motor Grille Shutter Wiring Cable Loom 8W0971277

€47.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 9257364

BMW F01 Antenna Amplifier Audio Control Module 9257364

€180.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 1384487080

Citroen Relay 35L III Battery Negative Earth Lead Harness Diesel 1384487080

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 8589145-22

BMW F34 320d B47 190HP Engine Control Unit ECU Kit 8589145 Key FEM Lock Manual

€336.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 8632641

BMW X5 F15 40eX Earth Ground Cable Line Strap Battery Lead Electrical 8632641

€56.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. A0009059101

Mercedes-Benz E-Class W207 W212 ESP Yaw Rotation Rate Sensor A0009059101

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 95B971687P

Porsche Macan 95B Rear Door Wiring Harness Loom Cable Left N/S 95B971687P

€42.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. A2535400701-1

Mercedes A238 M276 Engine Alternator Wiring Loom Cable Harness A2535400701

€37.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 8V4945093C-2

Audi S3 8V Rear Lamp Light Tailgate Inner Left N/S Harness Loom Wire 8V4945093C

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 8K0907064DQ

Audi Q5 8R Body Comfort Control Module BCM 8K0907064DQ

€42.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 2Q0937089E

Seat Arona FR BCM Body Control Module Unit 2Q0937089E

€180.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. DK62-15B484-BC

Range Rover Sport L494 Rear Bumper PDC Parking Wire Harness Loom DK62-15B484-BC

€51.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 03E971612AJ

Volkswagen Polo 6R Engine Wiring Harness Cable Loom 1.2 Petrol CGP 03E971612AJ

€61.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 8677247

Mini Countryman F60 Cable Alternator Starter Wire 12428677247 8677247

€28.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 191906383C-2

Audi VW Volkswagen Seat Skoda Relay Unit Module 12V 20A 4 Pins 191906383C

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 8T8971029AM

Audi A5 8T Front Door Wiring Loom Harness Cable Driver's Side 8T8971029AM

€28.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 8K0971030AQ

Audi A4 B8 Front Door Wiring Harness Loom Cabling Passenger Side 8K0971030AQ

€28.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 7509521

Range Rover L322 Transfer Box Shift Gearbox Control Unit Module 7509521

€32.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 9343204

BMW E81 E87 E90 E91 E92 LCI Radio CD Professional Bluetooth 9343204

€94.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. LRA34862

Range Rover L405 Control Unit Module LRA34862

€28.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. GB3G-12A650-AA-1

Ford Ranger Mk3 2.2 TDCI GBVAJQJ 160HP Engine ECU Kit GB3G-12A650-AA Automatic

€503.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. XFB000266-1

Range Rover Tail Light Rear Lamp Right O/S Plug Socket Wiring XFB000266

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. XQA500130

Land Rover Discovery 4 L319 Tailgate Subwoofer Speaker Module Unit XQA500130

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. JX63-19C166-EA

Jaguar XF X260 Multimedia Connection AUX Sim Socket Input Panel JX63-19C166-EA

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. BJ32-14D620-AB

Range Rover Evoque L538 Rear Door Control Unit Module BJ32-14D620-AB

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 8X2T-14633-BD

Jaguar XF X250 Door Wiring Loom Harness Rear Left N/S 8X2T-14633-BD

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 9827016-1

BMW X1 U11 F70 F74 Gran Coupé Battery Terminal Control Unit Module 9827016

€28.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 9462544

BMW F20 F30 F31 Mini F55 F56 F60 Control Unit Air Conditioning Module 9462544

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. A2055409231

Mercedes C205 Front Door Wiring Harness Loom Cable Driver Side A2055409231

€32.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 3C0959433AJ

Volkswagen Passat CC Comfort Unit Convenience System Control ECU 3C0959433AJ

€47.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 8570383

BMW F10 F11 X5 E70 2.0 Diesel 12V Starter Motor 8570383

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. A2059061905-1

Mercedes W205 Centre Console Lighting Wiring Harness Cable Loom A2059061905

€75.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. GK21-12A650-CA

Ford Transit Custom 2.0 YLF6 105HP Engine Control ECU GK21-12A650-CA Manual

€541.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 4M8907777CA

Audi Q7 4M Air Suspension Adjustment Module Control Unit ECU 4M8907777CA

€265.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. LPLA-19H406-BC

Range Rover Sport L494 Front Lane Assist Camera Module Unit LPLA-19H406-BC

€99.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 04C907309BB

Audi A1 GB Engine Control Unit ECU 1.0 Petrol 115 HP Manual Gearbox 04C907309BB

€42.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 5J0919475A

Skoda Octavia II 1Z Control Unit PDC Parking Sensor Module 5J0919475A

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 8P0862335N

Audi A3 8P TT 8J Interface Bluetooth Control Module Harman Becker ECU 8P0862335N

€28.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 5B65011

BMW F70 F74 G60 G61 G68 X2 U10 X1 U11 BCP Body Control Module Unit ECU 5B65011

€379.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 4F0971085E

Audi A6 C6 Rear Bumper Parking Sensor Wiring Loom Harness 4F0971085E

€28.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. A0009007126

Air Conditioning Module Mercedes W205 W213 C253 A/C Control Unit ECU A0009007126

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 6999950

LED Module BMW G11 G12 G20 F90 Dashboard Illumination Control Unit 6999950

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 8621018

BMW G20 G21 G30 G31 LCI G11 G12 Cell Module Connector Harness Loom Cable 8621018

€28.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. K8D2-14M726-AC

Range Rover Evoque L551 Battery Distributrion Terminal Harness K8D2-14M726-AC

€89.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. A2075402308

Mercedes C207 Front Center Console Point Cable Wiring Loom Harness A2075402308

€47.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. A2475457300

Mercedes W177 Fuse Box Relay Cover Lid Control Unit Bracket Trim A2475457300

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. A6561593100

Mercedes W213 OM656 Diesel Engine Wiring Guide Cable Duct A6561593100

€28.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. LG9T-19H406-CD

Ford Mondeo Mk5 Front Camera Collision Mitigation System Unit LG9T-19H406-CD

€123.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 8616568

BMW F20 F21 F30 F31 Petrol N20 Electrical Fuse Box Cover Lid Panel 8616568

€23.95

Free delivery: Nov 10 – 13

If paid before 14:00

Part no. A2185409606

Mercedes C218 Parktronic Parking Sensor Wiring Cable Rear PDC A2185409606

€32.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 6R0945095AC-2

VW Polo Mk5 Tail Lamp Trunk Lid Light Wiring Harness Rear Left N/S 6R0945095AC

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 4G5971687BQ

Audi A6 C7 4G Rear Door Harness Wiring Loom Cable Left N/S 4G5971687BQ

€28.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. UR58-67-790

Ford Ranger Mk4 Alarm Signal Control Unit ECU 2.5 TDCI 1715411 UR58-67

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 4G5971030EG

Audi A6 C7 Door Wiring Harness Front Passenger Side 4G5971030EG

€28.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 6M5Y-12A650-AF-1

Ford Focus St Mk2 Engine ECU 226HP 2.5 Duratec HYDA 6M5Y-12A650-AF Manual

€313.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. AM51-10723-AE

Ford Transit Connect Mk2 Battery Tray Bracket Mount Holder AM51-10723-AE

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 827300D040

Toyota Yaris Mk1 Fuse Relay Box Control Unit Module 827300D040

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. A2219050018

Mercedes-Benz S-Class W221 Headlining Alarm Sensor Module Cover Trim A2219050018

€28.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. H1BT-19H406-AG

Ford Fiesta Mk8 Front Windscreen Mounted Lane Departure Camera H1BT-19H406-AG

€32.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. CPLA-5B710-AB-2

Range Rover L405 Air Suspension Valve Control Unit Module CPLA-5B710-AB

€28.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 7790234

Range Rover L322 3.0 177HP 306D1 Diesel Engine ECU Control Unit Auto 7790234

€37.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 1944120

Ford Ranger Mk5 Body Control Module Fuse Relay Box BCM ECU FU5T-15604-CAL

€51.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. BK3T-11000-CB-1

Ford Transit Custom MK8 V363 Starter Motor 2.2 TDCi BK3T-11000-CB

€32.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 4G0907551E-1

Audi A6 C7 3.0 TFSI Quattro 310HP Engine Control ECU Kit 4G0907551E Automatic

€332.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 8X0971029S

Audi A1 8X Door Loom Wiring Harness Cable Front Driver Side 8X0971029Q

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 3V0919605D

Skoda Superb Mk3 B8 Multifunction Display Screen Head Control Unit 3V0919605D

€104.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 4M1959595K

Audi A6 C8 A7 4K Door Module Rear Left Right N/O/S Control Unit ECU 4M1959595K

€56.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 2017169

Ford Kuga Mk2 Radio Multimedia Sound Control Switch Buttons Front 2017169

€75.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. A2045400010

Mercedes C207 Cable Wiring Power Steering Rack Loom Harness A2045400010

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 9365802

BMW X5 F15 Front Door Wiring Loom Harness Cables Driver Side 9365802

€32.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 4K0907347A

Audi A6 C8 Mild Hybrid Power Distribution Mount Bracket Support 4K0907347A

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 7L6945096P-2

Volkswagen Touareg 7L Rear Tail Light Lamp Wiring Harness Right O/S 7L6945096P

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. GJ32-14N072-AA

Range Rover Evoque L538 Supply Distributor Mount Bracket Tray GJ32-14N072-AA

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. A2055400182

Mercedes W205 W213 C238 C253 Relay Fuse Box Top Cover Lid Cap A2055400182

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. KK62-14301-BE

Land Rover Range Rover Sport L494 Negative Battery Earth Cable KK62-14301-BE

€28.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 8U0907468A

Audi A1 8X Gateway Control Module Unit ECU 1.2 TFSI CBZA Petrol 8U0907468A

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 04L906021CA-1

Audi A4 B8 2.0 TDI CSUA 150HP Engine Control Unit ECU KIT 04L906021CA Automatic

€170.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. FK72-14D617-BD

Land Rover Discovery Sport Front Door Control Module Left N/S FK72-14D617-BD

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. P8A2-9L468-AA

Land Rover Range Rover Velar L560 Rear Chasis Wire Harness Loom P8A2-9L468-AA

€284.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 0332209150

Range Rover Sport L320 Relay 4-Pin Unit Bosch 12V 20/30A Black 0332209150

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. A9075409682

Mercedes Sprinter W907 W910 Fuse Box Relay Box Fuse Box Module A9075409682

€47.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 9797954

BMW G30 Fuel Pump Control Unit Module ECU 2.0 Petrol Hybrid 251HP 9797954

€61.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 3404568

BMW X3 Series E83 2.5i 3.0i Engine Starter Motor Positive Battery Cable 3404568

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 8650793

BMW G11 G12 G20 HV Accumulator Battery Negative Ground Cable Wiring Plug 8650793

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. A2108208726

Mercedes-Benz W210 S210 Alarm Anti Theft System Control Module Unit A2108208726

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. Q0011881V002000000

Smart Fortwo C450 Electronic Power Steering EPS Control Unit Q0011881V002000000

€218.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 95B035035J

Porsche Macan 95B Multimedia MIB2 Navigation Head Unit Control Module 95B035035J

€759.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 3D0919887E

VW Volkswagen Phaeton 3D Head Unit Navigation Control Unit CD 3D0919887E

€32.95

Free delivery: Nov 12 – 13

If paid before 14:00

...

Showing 7030-7128 of 22939 products