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

BMW E60 E63 E87 E90 Relay Changer Make Contact Salmon Red 1742690

€23.95

Free delivery: Aug 5 – 10

If paid before 14:00

Part no. CH22-15K801-BB

Range Rover Sport L320 5 Button Smart Key Fob CH22-15K801-BB

€23.95

Free delivery: Aug 5 – 10

If paid before 14:00

Part no. 919504H071

Hyundai H-1 Fuse Box Module Control Unit ECU 919504H071

€66.95

Free delivery: Aug 5 – 10

If paid before 14:00

Part no. 7789755

BMW 5 6 Series E60 E61 E63 E64 LCI Cable Starter-Base B 7789755

€23.95

Free delivery: Aug 5 – 10

If paid before 14:00

Part no. 9264924

BMW F01 F02 F10 F11 F13 Power Distribution Fuse Box Rear 9264924

€23.95

Free delivery: Aug 5 – 10

If paid before 14:00

Part no. 8K0907064DD

Audi A4 B8 A5 8T Body Control Module BCM Comfort Control Unit 8K0907064DD

€23.95

Free delivery: Aug 5 – 10

If paid before 14:00

Part no. 5NA971693K

Volkswagen Tiguan Mk2 Door Wiring Loom Harness Rear Left N/S 5NA971693K

€51.95

Free delivery: Aug 5 – 10

If paid before 14:00

Part no. A1635403110

Mercedes-Benz M ML W163 Rear Left Right Door Wiring Loom Harness A1635403233

€23.95

Free delivery: Aug 5 – 10

If paid before 14:00

Part no. A6429002900-11

Mercedes W164 ML300 OM642.820 204HP Engine Control ECU Kit A6429002900 Automatic

€332.95

Free delivery: Aug 5 – 10

If paid before 14:00

Part no. A0025422619-3

Relay Mercedes W203 W204 W212 W639 W906 4-Pin Grey Hella 12V A0025422619

€23.95

Free delivery: Aug 5 – 10

If paid before 14:00

Part no. 9261614

BMW 1 2 Series F20 F21 F22 Rear Bumper PDC Ultrasonic Sensor Glacier Silver

€23.95

Free delivery: Aug 5 – 10

If paid before 14:00

Part no. 1K0955557A

VW Volkswagen Audi Seat Skoda Airbag Crash Impact Sensor SRC 1K0955557A

€23.95

Free delivery: Aug 5 – 10

If paid before 14:00

Part no. 8V4945070-2

Audi A3 8V Rear Tail Light Lamp Outer Side Right O/S Harness Wire 8V4945070

€23.95

Free delivery: Aug 5 – 10

If paid before 14:00

Part no. 9284442

BMW F20 F30 Mini F56 Air Conditioning Module Control Unit 9284442

€32.95

Free delivery: Aug 5 – 10

If paid before 14:00

Part no. 7625474

MINI Cooper F55 F56 F57 F60 Battery Mounting Bracket Part Holder 7625474

€23.95

Free delivery: Aug 5 – 10

If paid before 14:00

Part no. V23234-A0001-X037

Porsche 718 Boxster 982 Relay 12V 20/30A V23234-A0001-X037

€23.95

Free delivery: Aug 5 – 10

If paid before 14:00

Part no. 8V5035225

Audi A3 8V Keyless Entry Amplifier Control Box Module Aerial Antenna 8V5035225

€23.95

Free delivery: Aug 5 – 10

If paid before 14:00

Part no. A1679006613

Mercedes W177 Sliding Roof Module Sunroof Panoramic Control Unit A1679006613

€85.95

Free delivery: Aug 5 – 10

If paid before 14:00

Part no. 9213374

Mini R55 R56 R57 Cover Power Distribution Fuse Box 9213374

€23.95

Free delivery: Aug 5 – 10

If paid before 14:00

Part no. 5WA915181C

Audi S3 8Y DNFB HV Battery Negative Terminal Cable Wire 2.0 TFSI 5WA915181C

€23.95

Free delivery: Aug 5 – 10

If paid before 14:00

Part no. W164-JUNSUN

Mercedes W164 X164 Junsun Car Radio 10.1"Android CarPlay 32GB XT8191CX-F

€170.95

Free delivery: Aug 5 – 10

If paid before 14:00

Part no. 059907309AC-1

Audi Q7 4M 3.0 TDI DPXA 286HP Quattro Engine Control ECU 059907309AC Automatic

€550.95

Free delivery: Aug 5 – 10

If paid before 14:00

Part no. 93457542

Radio Player Renault Trafic III Vauxhall Vivaro B Audio Head Unit 93457542

€227.95

Free delivery: Aug 5 – 10

If paid before 14:00

Part no. 6863386

BMW F33 ICM Control Unit Module ECU 6863386

€80.95

Free delivery: Aug 5 – 10

If paid before 14:00

Part no. 9225831

BMW F07 Left N/S Central Bass Loud Speaker Stereo System Unit 9164581

€23.95

Free delivery: Aug 5 – 10

If paid before 14:00

Part no. 1K0971230KE

Volkswagen VW Caddy 2K Alternator Wiring Loom Harness 1.9 TDI 1K0971230KE

€23.95

Free delivery: Aug 5 – 10

If paid before 14:00

Part no. 7H22-1560-AB

Land Rover Sport L320 Tyre Pressure Control Unit TPMS 7H22-1560-AB

€165.95

Free delivery: Aug 5 – 10

If paid before 14:00

Part no. 9298961

BMW F20 F21 F30 F31 F32 Body Control Unit Module REM 9298961

€23.95

Free delivery: Aug 5 – 10

If paid before 14:00

Part no. 7627520

Mini R55 R56 LCI R60 One N16 1.6 98HP Engine ECU DME 7627520 Manual

€142.95

Free delivery: Aug 5 – 10

If paid before 14:00

Part no. A2479002513

Telematic Control Module Mercedes W447 W907 W910 Telematics Unit A2479002513

€113.95

Free delivery: Aug 5 – 10

If paid before 14:00

Part no. 4K0907347B

Audi A6 C8 Mild Hybrid Power Distribution Mount Bracket Support 4K0907347B

€23.95

Free delivery: Aug 5 – 10

If paid before 14:00

Part no. 8583575

BMW F07 F10 F11 F12 Diesel N57 Engine Wiring Injection Wiring Harness 8583575

€28.95

Free delivery: Aug 5 – 10

If paid before 14:00

Part no. A2479002307

Mercedes W177 W247 4Matic Transfer Control Unit Module ECU A2479002307

€137.95

Free delivery: Aug 5 – 10

If paid before 14:00

Part no. 9387164

BMW X3 F25 Front Lamp Headlight Control Module Unit ECU 9387164

€113.95

Free delivery: Aug 5 – 10

If paid before 14:00

Part no. A2045403750

Mercedes W204 SAM Module Control Unit Electrical Fuse Box Unit A2045403750

€89.95

Free delivery: Aug 5 – 10

If paid before 14:00

Part no. 7608804

BMW 1 3 Series F20 F21 F30 Wiring Loom Harness Injection Valve Ignition 7608804

€23.95

Free delivery: Aug 5 – 10

If paid before 14:00

Part no. HPLA-70011-AB

Range Rover Sport L494 Battery Cable Wire Positive Lead HPLA-70011-AB

€47.95

Free delivery: Aug 5 – 10

If paid before 14:00

Part no. 9V4T-14A076-AB

Ford Kuga C394 Fuse Box Lid Cover Panel Housing Top 2.5 Petrol 9V4T-14A076-AB

€23.95

Free delivery: Aug 5 – 10

If paid before 14:00

Part no. DK62-14300-CE

Range Rover L405 Fuse Box Power Terminal Wiring Harness Cable DK62-14300-CE

€47.95

Free delivery: Aug 5 – 10

If paid before 14:00

Part no. GK3T-14A120-AD

Ford Transit Mk8 Battery Cable Wire 2.0 TDCi Diesel GK3T-14A120-AD

€23.95

Free delivery: Aug 5 – 10

If paid before 14:00

Part no. YML500861

Land Rover Range Rover Sport L320 Driver's Seat Wire Harness Cable YML500861

€47.95

Free delivery: Aug 5 – 10

If paid before 14:00

Part no. 7615308

BMW F20 F21 F30 Petrol N13 Wiring Loom Harness Engine Gearbox Manual 7615308

€23.95

Free delivery: Aug 5 – 10

If paid before 14:00

Part no. 1J0803219

Skoda Octavia II Battery Bracket Battery Clamp Holder Mounting 1J0803219

€23.95

Free delivery: Aug 5 – 10

If paid before 14:00

Part no. 4F1971035N

Audi A6 C6 Front Driver Side Door Wiring Harness Loom Cable 4F1971035L

€23.95

Free delivery: Aug 5 – 10

If paid before 14:00

Part no. 7649087

BMW F20 LCI N20 F22 N26 Wiring Loom Harness Engine Module Ignition

€23.95

Free delivery: Aug 5 – 10

If paid before 14:00

Part no. DN1T-15K600-ED

Ford Fiesta Mk7 Transit Courier Body Control Module BCM ECU DN1T-15K600-ED

€51.95

Free delivery: Aug 5 – 10

If paid before 14:00

Part no. 4H0945093H-2

Audi A8 D4 Rear Taillight Tail Light Lamp Wiring Inner Left N/S 4H0945093H

€23.95

Free delivery: Aug 5 – 10

If paid before 14:00

Part no. 9P4971111

Porsche 718 Boxster 982 Power Steering Rack Wiring Loom 9P4971111

€61.95

Free delivery: Aug 5 – 10

If paid before 14:00

Part no. 9500079

BMW X2 F39 F40 F45 F45 LCI F46 F48 Steering Control Module SAS Unit ECU 9500079

€184.95

Free delivery: Aug 5 – 10

If paid before 14:00

Part no. 3Q0959655CM

Seat Ateca Air Module Control Unit ECU Module Sensor 3Q0959655CM

€94.95

Free delivery: Aug 5 – 10

If paid before 14:00

Part no. 8642682

BMW 3 Series F30 LCI 330e Negative Earth Cable High Voltage Battery 8642682

€32.95

Free delivery: Aug 5 – 10

If paid before 14:00

Part no. 9297897

BMX X4 F26 X6 F16 Cental Woofer Speaker Audio Unit Left Right N/O/S 9297897

€28.95

Free delivery: Aug 5 – 10

If paid before 14:00

Part no. 9343317

Audio Amplifier BMW F20 F21 F22 Harman/Kardon Active Sound Design System 9343317

€56.95

Free delivery: Aug 5 – 10

If paid before 14:00

Part no. 6809053

BMW F20 F22 F30 Rear Electronic Module REM Fuse Box Control Unit V5 ECU 6809053

€28.95

Free delivery: Aug 5 – 10

If paid before 14:00

Part no. GR3T-19C107-KK

Ford Mustang Mk6 GT Radio Stereo Multimedia Player Head Unit GR3T-19C107-KK

€465.95

Free delivery: Aug 5 – 10

If paid before 14:00

Part no. 6G9N-17D547-AE

Ford Galaxy Mk2 Windscreen Front Window Rain Sensor Bosch 6G9N-17D547-AE

€23.95

Free delivery: Aug 5 – 10

If paid before 14:00

Part no. A2218706887

Mercedes W221 Head Unit Multimedia TV Player CD Changer Inverter A1679001014

€569.95

Free delivery: Aug 5 – 10

If paid before 14:00

Part no. 2Q0959655AN

Volkswagen Transporter T6 Air Module Sensor Control Unit ECU 2Q0959655AN

€379.95

Free delivery: Aug 5 – 10

If paid before 14:00

Part no. 5G0945096Q-1

Volkswagen Golf 5G Rear Tail Light Wire Plug Socket Cable Right O/S 5G0945096Q

€23.95

Free delivery: Aug 5 – 10

If paid before 14:00

Part no. 7L0907719

Volkswagen Touareg 7L Anti Theft Alarm System Control Module Unit ECU 7L0907719

€23.95

Free delivery: Aug 5 – 10

If paid before 14:00

Part no. EB3T-14603-A

Ford Ranger Mk3 T6 Positive Battery Cable Lead Terminal Harness EB3T-14603-A

€23.95

Free delivery: Aug 5 – 10

If paid before 14:00

Part no. FK72-14E112-AB

Land Rover Discovery Sport L550 Rear Bumper PDC Control Module FK72-14E112-AB

€23.95

Free delivery: Aug 5 – 10

If paid before 14:00

Part no. 9299594

Central Gateway BMW X3 F25 X4 F26 Module Control Unit Lear ZGW-02 4SK 9299594

€62.95

Free delivery: Aug 5 – 10

If paid before 14:00

Part no. LR047573

Range Rover Evoque L538 2.2 TDCI Starter Motor EJ3211001AB

€47.95

Free delivery: Aug 5 – 10

If paid before 14:00

Part no. 7534921

BMW 3 X3 Series E46 E83 Engine Electronics Complete Control Unit Box 7534921

€23.95

Free delivery: Aug 5 – 10

If paid before 14:00

Part no. A4478200087

Mercedes Sprinter W906 Connector AUX USB Adapter Port Socket A4478200087

€23.95

Free delivery: Aug 5 – 10

If paid before 14:00

Part no. 9387266

FEM Module BMW F23 F36 Body Control Unit ECU LR01 9387266

€132.95

Free delivery: Aug 5 – 10

If paid before 14:00

Part no. AH42-14D374-AF

Land Rover Range Rover L322 Air Module Control Unit AH42-14D374-AF

€47.95

Free delivery: Aug 5 – 10

If paid before 14:00

Part no. 6963013

BMW 5 6 Series E60 E61 E63 Driver Side Door Airbag Control Unit Module 6963013

€23.95

Free delivery: Aug 5 – 10

If paid before 14:00

Part no. 9374508

BMW F20 F21 F30 F31 REM Rear Electronic Module Fuse Box Control Unit V3 9374508

€23.95

Free delivery: Aug 5 – 10

If paid before 14:00

Part no. 9224177-1

BMW F10 F11 F12 F13 F15 F16 Air Module Crash Sensor 9224177

€23.95

Free delivery: Aug 5 – 10

If paid before 14:00

Part no. SRO000020

Range Rover L322 YAW Rate Speed ESP Sensor Module Bosh SRO000020

€80.95

Free delivery: Aug 5 – 10

If paid before 14:00

Part no. 127073X

Mercedes W176 Electrical Wiring Loom Harness Cable 127073X

€23.95

Free delivery: Aug 5 – 10

If paid before 14:00

Part no. 9311850

BMW 1 3 Series F20 F21 F30 F31 Control Unit Air Conditioning A/C Module 9311850

€23.95

Free delivery: Aug 5 – 10

If paid before 14:00

Part no. A1698209926

Mercedes W169 W245 ECU Air Control Unit Sensor Module A1698209926

€28.95

Free delivery: Aug 5 – 10

If paid before 14:00

Part no. 8T0971029S

Audi A5 8T Door Wiring Loom Harness Cable Front Left N/S 8T0971029S

€42.95

Free delivery: Aug 5 – 10

If paid before 14:00

Part no. YMZ500810C

Land Rover Range Rover Sport L320 Towing Wiring Loom Harness Cable YMZ500810C

€37.95

Free delivery: Aug 5 – 10

If paid before 14:00

Part no. 7622980

Wiring Harness BMW F20 F21 F30 Motor Sensor System Module 2 7622980

€37.95

Free delivery: Aug 5 – 10

If paid before 14:00

Part no. 5QF802717A

Audi RSQ3 F3 Battery Holder Cover Bracket Mount Retainer Lid Top 5QF802717A

€23.95

Free delivery: Aug 5 – 10

If paid before 14:00

Part no. A2118703185

Mercedes W211 Door Module Rear Left N/S Control Unit ECU A2118703185

€23.95

Free delivery: Aug 5 – 10

If paid before 14:00

Part no. 8V5971693B

Audi A3 8V A5 8T Rear Door Wiring Loom Harness 8V5971693B

€28.95

Free delivery: Aug 5 – 10

If paid before 14:00

Part no. 8574372

BMW F30 F32 330d 430d Diesel N57N Engine Control Unit ECU DDE 8574372 Automatic

€189.95

Free delivery: Aug 5 – 10

If paid before 14:00

Part no. 4H0945095H-2

Audi A8 D4 Rear Outer Tail Light Lamp LED Wiring Cable Left N/S 4H0945095H

€23.95

Free delivery: Aug 5 – 10

If paid before 14:00

Part no. 8046454

BMW E81 E82 E87 E90 PDC Ultrasonic Sensor Front Rear Melbourne Red - A75 8046453

€23.95

Free delivery: Aug 5 – 10

If paid before 14:00

Part no. AG9T-14324-UC

Battery Cable Ford S-Max Negative Lead Wiring Harness Cable AG9T-14324-UC

€23.95

Free delivery: Aug 5 – 10

If paid before 14:00

Part no. A2819006904

Smart 453 M281.910 90HP Engine Control Unit ECU A2819006904 Automatic

€89.95

Free delivery: Aug 5 – 10

If paid before 14:00

Part no. A1698203285

Mercedes A B Class W169 W245 Door Control Module Right Rear O/S A1698203285

€23.95

Free delivery: Aug 5 – 10

If paid before 14:00

Part no. 8T0035223M-1

Audi A5 8T Sound System Audio Amplifier Amp Unit Bang & Olufsen 8T0035223M

€664.95

Free delivery: Aug 5 – 10

If paid before 14:00

Part no. 038907282

VW Volkswagen Transporter T5 Spark Plug Glow Plug Relay Module Unit 038907282

€32.95

Free delivery: Aug 5 – 10

If paid before 14:00

Part no. 99161010500

Porsche Cayman 981 718 982 Fuse And Relay Box Petrol 99161010500

€89.95

Free delivery: Aug 5 – 10

If paid before 14:00

Part no. A9079001605

Mercedes W907 Central Gateway Control Unit Module Relay ECU A9079001605

€465.95

Free delivery: Aug 5 – 10

If paid before 14:00

Part no. 8571036

Mini F54 F55 F56 F57 Wiring Harness Engine Supply Module 8571036

€28.95

Free delivery: Aug 5 – 10

If paid before 14:00

Part no. 5Q0959592D

Door Module Audi A3 8V VW Golf 7 Seat Leon 3 Front Right O/S 5Q0959592D

€23.95

Free delivery: Aug 5 – 10

If paid before 14:00

Part no. 6868598

BMW 1 2 3 F20 F21 F22 F30 F31 ECU ICM Control Unit Module 6868598

€23.95

Free delivery: Aug 5 – 10

If paid before 14:00

Part no. 3Q0907530AC

Audi A3 8V Gateway Diagnostics Interface Control Module 3Q0907530AC

€47.95

Free delivery: Aug 5 – 10

If paid before 14:00

Part no. 6956744

BMW 1 3 Series E81 E82 E87 E88 E90 E91 Ultrasonic Sensor PDC Sydney Blue 6956744

€23.95

Free delivery: Aug 5 – 10

If paid before 14:00

Part no. 7853460

Gearbox Wiring BMW F87 M2 N55 Engine Automatic Loom Harness Cables 7853460

€94.95

Free delivery: Aug 5 – 10

If paid before 14:00

Part no. CK52-14A260-BC

Range Rover L405 Fuse Box Battery Cable Holder Bracket CK52-14A260-BC

€23.95

Free delivery: Aug 5 – 10

If paid before 14:00

Part no. 4H0959655H

Audi A7 4G8 Air Module Control Unit ECU SRS Module Unit 4H0959655H

€23.95

Free delivery: Aug 5 – 10

If paid before 14:00

...

Showing 6931-7029 of 18495 products