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

Range Rover L322 Radio Aerial Antenna Amplifier Module Ecu 3H42-19G255-AB

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 8686020080

Toyota Avensis T270 Navigation Audio Entry Antenna Unit Module 8686020080

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 1713476

Ford Kuga Mk Negative Battery Cable Wire AV6T-14324-BAE

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 8W8971687M

Audi A5 F5 Sportback Door Wiring Harness Loom Rear Left N/S 8W8971687M

€47.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 02Z911024Q

Audi A3 8V 2.0 TDI Quattro Starter Motor Engine Diesel Bosch 02Z911024Q

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 9140179

BMW F10 Radio Antenna Amplifier Suppression Filter 9140179

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 8R0907401J

Audi A5 8T Q5 8R 3.0 TDI CCWA 240HP Quattro Engine ECU 8R0907401J Automatic

€142.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. A1765404609

Mercedes W176 Rear Bumper PDC Wiring Loom Parking Sensor Cable Harness 9364201

€61.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 7PP907530J

Porsche Cayenne 92A Gateway Control Module 4.8 V8 4852 Petrol 7PP907530J

€75.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. A2469006918

Mercedes C117 X156 All Wheel Drive Control Unit Module ECU MFA A2469006918

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 7377846-1

BMW F32 F33 F36 F80 M3 Front Headlight Headlamp Light Wiring Right O/S 7377846

€23.95

Free delivery: Nov 10 – 13

If paid before 14:00

Part no. A6079002300-5

Mercedes W176 180 CDI 607.951 109HP ECU Kit A6079002300 Key Lock Automatic

€284.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 8MD2-14N164-AB

Range Rover Evoque L551 Fuse Box Module Wiring Loom Harness 8MD2-14N164-AB

€89.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 9458738

BMW X2 F39 Camera Kafas Windscreen Front Parking Camera Module Unit 9458738

€89.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 9259828

BMW 3 Series E92 E92N LCI Front Door Wiring Loom Harness Passenger Side 9259828

€32.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 8573260-8

BMW F20 F21 116d ed Diesel N47N 116HP ECU Kit DDE 8573260 + Key + FEM Manual

€417.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 8704698

BMW G20 G21 Positive Battery Cable High Voltage Hybrid 8704698

€32.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 7164820-2

BMW E88 E93 Convertible Rollover Bar Protection System Sensor Unit Module 800137

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 6842255

BMW F39 F45 Mini F56 F60 ICM Control Unit Air Module ECU 6842255

€151.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 8K0907472

Audi A4 B8 Headlight Headlamp LED Module Control Unit 8K0907472

€37.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. A2044406035

Mercedes W204 Front Door Wiring Harness Cable Passenger Side A2044406035

€37.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. N1WT-19J252-AB

Volkswagen Amarok Nf USB Connector Port Socket Electronic Module N1WT-19J252-AB

€66.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. C1BT-14B321-FE

Ford Fiesta Mk7 3Dr Air Module ECU Control Unit C1BT-14B321-FE

€51.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 6982363

BMW E60 E61 Rear Door Cable Wiring Loom Harness Left Right N/O/S 6982363

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. LU5T-15K866-CJ

Ford Kuga Mk3 Transit Connect Mk2 Parking Aid Control Module LU5T-15K866-CJ

€37.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 2073237

Ford Transit Mk7 Alternator Generator 2.2 TDCi Diesel 1709003 AC-1T10300-BB

€89.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 8506438-4

BMW E81 E87 E90 E91 120d 320d N47 177HP ECU Kit DDE CAS3 Key Manual 8506438

€189.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 5A0BD89

BMW F40 Power Distribution Fuse Box LIN Control Unit Module 5A0BD89

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 6957347

BMW 6 Series E63 E64 F06 F12 F13 Aerial Antenna Amplifier Module Left N/S

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 09D927750BK

Porsche Cayenne 9PA Automatic Transmission Control Unit Module 09D927750BK

€47.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. AH4N-15607-AE

Land Range Rover L405 Discovery L319 Keyless Entry Module Unit AH4N-15607-AE

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 7612815

BMW F10 M5 F12 F13 M6 F07 X5 F15 Starter Motor 428000-8530 12V 7612815

€37.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. CX23-14A375-AF

Jaguar XF X250 Battery Converter Control Module ECU 2.2 Diesel CX23-14A375-AF

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 9358312

Mini F55 F56 F57 Seat Wiring Harness Cable Connector Driver Side 9358312

€28.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. NNW507970

Land Rover Range Rover L322 SRS Air Unit Control Module ECU NNW507970

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 9131629

BMW X1 E84 Rear Tailgate Boot Lid Wiring Loom Harness Cable 9131629

€28.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. C2D22746

Jaguar XF X250 Information Sound System Module Audio Equipment 7F6N-14C230-AC

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. KV6T-18D816-BA

Ford Transit Connect Mk2 Central Locking Control Module Unit ECU KV6T-18D816-BA

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. E1BT-18C815-GE

Ford Fiesta Mk7 Radio CD Player Head Unit Stereo Clock Display E1BT-18C815-GE

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. A2229007414

Mercedes C253 Parking Camera Control Module Unit ECU 3.0 Diesel A2229007414

€28.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. A2139003515

Mercedes W213 Rear View Parking Camera Control Module ECU A2139003515

€32.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 6833256

Pedestrian Protection BMW G20 G21 G28 Crash Sensor Cable Unit Module 6833256

€56.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 6946388

BMW E60 E61 E63 ECU Control Unit Gateway Module 6946388

€28.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 03L906018KP

Audi TT 8J CFGB 2.0 TDI Quattro 170HP Engine ECU Kit 03L906018KP Automatic

€146.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. BJ32-14D618-AD

Land Rover Discovery 4 L319 Door Control Module Driver's Side BJ32-14D618-AD

€56.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 9286110

BMW F20 F21 F30 F31 F32 Body Control Comfort Module Unit FEM ECU LR01 9286110

€113.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 7N0971228G

Volkswagen Sharan 7N Positive Plus + Battery Cable Wiring Harness 7N0971228G

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 7555361-10

BMW E60 E90 325i 525i N52 218HP Engine ECU Kit DME 7555361 CAS2 Key Automatic

€332.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 8635627

Mini F56 Engine Control Unit ECU 192HP Petrol 8635627 Manual Gearbox

€256.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 9343687

BMW F01 LCI F07 F10 F11 F25 Safety Control Unit Air Module Bag ECU 9343687

€42.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. A0009062822-2

Alternator Generator Mercedes W207 W212 W906 Engine Diesel 12V 250A AAL1954

€161.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 02M911023

Audi TT 8N Mk1 1.8T Petrol Engine Starter Motor Assembly 0001121022 02M911023

€32.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 6927706

BMW 5 6 Series E60 E63 E64 Tubing Duct Battery Cable Lead Positive Underfloor

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. XVJ500046

Range Rover Velar L560 Range Rover Sport L320 Bluetooth Control Module XVJ500046

€70.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. A6396641914

Mount Support Mercedes Vito W639 Battery Bracket Holder Mounting A6396641914

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 6915943

BMW 7 X3 Z4 Series E65 E66 E83 E85 E86 Interface Japan Luggage Module 6915943

€56.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. BK2T-14A175-BA

Ford Transit Custom Fuse Box Power Distribution Cover Trim Panel BK2T-14A175-BA

€28.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. A0018279904

Mercedes W204 A207 S212 S212 UCI-IPOD Video Connecting Cable Harness A0018279904

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 9865634

Mini Cooper F55 Front Door Wiring Loom Harness Cable Driver's Side O/S 9865634

€47.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. DV61-12A650-CEA-1

Ford Transit Connect Engine Control ECU 1.6 Diesel 115HP DV61-12A650-CEA Manual

€427.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 9233592

BMW F10 F11 Sound Amplifier Module Unit Harman/Becker 9233592

€113.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 4H0907247

Audi A6 4G Keyless Entry Aerial Antenna Control Unit Module 4H0907247

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. AW93-14F641-AD

Land Rover Range Rover Evoque L538 TV Tuner Control Module ECU AW93-14F641-AD

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 3405141

BMW X3 Series E83 E83N LCI Support Bracket Navigation Computer 3405141

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 04L907309G-1

Volkswagen New Beetle 2.0 TDI CUUA 110HP Engine Unit ECU Kit 04L907309G Manual

€222.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. FK72-14633-BDD

Land Rover Discovery Sport L550 Rear Wiring Loom Harness Left N/S FK72-14633-BDD

€28.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 5M5T-14B192-AA-1

Ford Transit Mk8 Relay 4-Pin Black 12V 20A SET X2 5M5T-14B192-AA

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. A2025405981

Mercedes Sprinter W907 W910 Wiring Cable Plug OBD Socket A2025405981 A9070005999

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. DE8T-19H463-BB

Ford B-Max Front Windscreen Rain Sensor Control Unit Module DE8T-19H463-BB

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 5Q0919275B-LAVA

Audi Q2 GA Front Rear Parking Sensor Assist Control Set Lava Blue W5Q 5Q0919275

€37.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. A2479008109

Mercedes V177 W247 Body Control Module BCM V2 Unit ECU A2479008109

€118.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. A0095404981

Mercedes W204 ABS Pump Wiring Loom Harness Cover Trim Cap A0095404981

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. AH22-10C679-AF

Range Rover Sport L320 Negative Battery Cable Wiring Harness AH22-10C679-AF

€42.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. CPLA-14B484-AF

Land Rover Range Rover L405 Body Control Module Unit ECU CPLA-14B484-AF

€66.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. AV1T-14A584-GDF

Ford B-Max Mk1 Rear Door Loom Wiring Harness Cable Left N/S AV1T-14A584-GDF

€28.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. BJ32-14463-AB

Jaguar XF X250 Negative Earth Minus Wiring Cable Clamp Unit BJ32-14463-AB

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. GJA3892AA

Jaguar Xk8 X100 Rear Boot Fuse Box Lid Cover Panel Top Housing GJA-3892-AA

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 443937105B-1

Volkswagen Audi Skoda Seat Thermal Fuse Relay Amp 15A 12V 443937105B

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 827300F060D

Toyota Verso R20 Under Dash Fusebox Fuseboard 2.0 Diesel 827300F060

€37.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. AV6T-14A067-BC-1-1

Ford Focus Mk3 Fuse Box Battery Terminal Unit Module Cover Panel AV6T-14A067-BC

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 8A61-13404-AE-1

Ford Fiesta Mk7 Rear Tail Light Lamp Side Panel Wiring Right O/S 8A61-13404-AE

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. A2059007143

SAM Module Mercedes W205 Trunk Rear SAM Control Module A2059007143

€85.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. LJA6490AC

Jaguar XK8 X100 XJ X308 Illumination Light Control Module LJA6490AC

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. FK72-14B673-AD

Land Rover Discovery Sport L550 Tailgate Controle Module Unit ECU FK72-14B673-AD

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 8T0907468

Audi A4 B8 A5 S5 Gateway Diagnosis Interface ECU Data Module 8T0907468G

€56.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 4K0937517E

Audi A6 C8 Relay Voltage Converter Current Relay Control Module 4K0937517E

€28.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 9187221

BMW E87 LCI Alpine Navi Japan Navigation HDD Navigation System 9187221

€170.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. YTA500521

Land Rover L319 Positive Terminal HV Battery Lead Cable Wire Harness YTA500521

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 81A971030AF

Audi Q2 GA Door Wiring Loom Harness Front Passenger's Side N/S 81A971030AF

€32.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. A2058201201

Sunroof Wiring Mercedes C205 C238 Panoramic Motor Cable Harness A2058201201

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 3G0971689

Volkswagen Passat B8 3G Door Wire Cable Harness Loom Rear Left N/S 3G0971689

€70.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. A2034404432

PDC Wiring Mercedes CL203 Front Bumper Parking Sensor Loom Cable A2034404432

€66.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 7570254

Plus Cable BMW X1 E81 E87 E90 E91 N45 N46 Alternator Starter Wiring 7570254

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 5A234D0

Wiring Cable BMW F06 F12 F13 Electric Parking Hand Brake Handbrake Cable 5A234D0

€42.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. NNW504640

Range Rover Velar L560 Differential Locking Module Control Unit NNW504640

€47.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 7L0971767

Volkswagen Touareg 7L Washer Reservoir Bottle Wiring Harness Loom 7L0971767

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. M8D2-14E719-AVC

Land Rover Evoque L551 Front Seat Wiring Loom Harness Left N/S M8D2-14E719-AVC

€32.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 2447525

Telematics Module BMW F21 Bluetooth Control Unit ECU 2447525

€51.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 7583526-1

BMW X3 Series E83 2.5si N52N 218HP Engine ECU Kit DME + Key 7583526 Manual

€332.95

Free delivery: Nov 12 – 13

If paid before 14:00

...

Showing 5842-5940 of 22939 products