What is the construction and purpose of wires, harnesses, and connectors?

Wires, harnesses, and connectors are elements of a car's electrical installation that connect power sources, consumers, sensors, and controllers. A typical set consists of conductive cores, insulation, covers, plugs, pins, and mounting points to the body or equipment. These parts appear in various vehicle zones, from the engine compartment to the interior and trunk lid. Their construction must correspond to the specific circuit and car equipment.

What are wires, harnesses, and connectors used for?

Wires, harnesses, and connectors are used to transmit current and control signals between car components. They are responsible for powering devices, communication between modules, and maintaining stable electrical connections. Without them, lighting, starting, charging, sensors, or onboard electronics would not work properly. Their condition also affects the speed of fault diagnosis and the reliability of installing other electrical elements.

What is the construction and function of an electrical connector in a car?

An electrical connector is an element connecting two sections of an installation or a wire to a specific vehicle component. It usually consists of a housing, contact pins, a latch, and often a seal protecting against moisture and dirt. Its function is to ensure a secure contact and the possibility of safely disconnecting the installation during service. The appropriate type of connector is important for conductivity quality, sealing, and vibration resistance.

How to choose wires, harnesses, and connectors for a specific car version?

It is safest to compare the OEM part number, interchangeable numbers, location on the vehicle, and the body and equipment version. It is also worth checking the number of pins, plug shape, harness routing, and mounting points. For elements supporting several systems, the fuel type and the presence of additional modules are also important.

What symptoms indicate wear of wires, harnesses, and connectors?

Typical symptoms include intermittent power loss, controller errors, blown fuses, unstable lighting operation, and problems with starting selected devices. In practice, insulation cracks, corrosion on contacts, and damage in bending areas are also encountered. Such signals should be immediately compared with the mounting location and the condition of the connections.

How to take care of wires, harnesses, and connectors after installation?

After installation, ensure the harness is routed correctly so it does not rub against sharp edges and is not exposed to excessive bending. It is also important to properly seat all clips, holders, and latches, and to keep the connectors clean. During periodic inspections, it is good to check the condition of the insulation and the tightness of connections in areas exposed to moisture.

Vehicle Electrical Wiring Looms, Cables & Connectors

At the Global Parts automotive store, we offer a wide selection of original used car parts, including cables, harnesses and connectors for many popular car brands such as BMW, Mini, Mercedes, Audi, Volkswagen and others. The cables, harnesses and connectors we offer undergo quality control so that you can be sure that you are receiving a top-class product.

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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. 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. 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. 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. 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. 8U0915181A

Audi RSQ3 8U Negative Minus - Battery Wiring Cable Loom 2.5 TFSI 8U0915181A

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 8797570

BMW X1 F48 Door Wiring Cable Loom Harness Front Passenger Side N/S 8797570

€42.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 8U0971029

Audi Q3 8U Front Door Wiring Harness Wire Loom Cable Left N/S 8U0971029

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 7L6971121H

Volkswagen Touareg 7L Front Door Wiring Loom Harness Driver's Side 7L6971121H

€42.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 8W6945092N

Audi A5 F5 LED Rear Outer Tail Light Taillight Lamp Right O/S 8W6945092N

€142.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 8621017

BMW G20 G21 G30 G31 LCI G11 G12 Cell Module Connector Harness Loom Cable 8621017

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. M8A2-F260145-BB

Land Rover Range Rover Velar L560 Negative Battery Cable M8A2-F260145-BB

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. CV4T-18K891-AA

Ford Kuga Mk2 Rear Tailgate Wiring Loom Connector Sensor CV4T-18K891-AA

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. KK21-12B681-AC

Ford Transit Custom Glow Plug Relay Bracket Mount Support KK21-12B681-AC

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. FK72-971111-AC

Land Rover Discovery L550 Anti Theft Alarm Wiring Cable Lead FK72-971111-AC

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. YML500373

Land Rover Discovery 3 L319 Front Seat Memory Wiring Harness YML500373

€32.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 9217033

Battery Cable BMW F01 F02 Positive Wiring Plus Pole Red 9217033

€28.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 4H0971030HG

Audi A8 S8 D4 4H Front Door Wiring Loom Harness Passenger's Side 4H0971030HG

€37.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 8644492

Engine Wiring Mini F56 F60 BMW F45 F46 Petrol Sensor Module 2 Harness 8644492

€56.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 8513301

BMW F25 Engine Gearbox Module Wiring Harness Loom 35dX N57Z N57D30B 8513301

€165.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 8T8971688J

Audi A5 S5 8T Door Wiring Loom Harness Wire Cable Rear Right O/S 8T8971688J

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 3421485

BMW X3 E83 X1 E84 Z4 E89 Wiring Harness Grommet Fastener Mount Carrier 3421485

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 4F1971035C

Audi A6 C6 Front Door Wiring Harness Loom Cable Right O/S 4F1971035C

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. H1BT-14D624-BE

Ford Fiesta ST Front Door Wiring Cable Harness Left Right O/S Mk8 H1BT-14D624-BE

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. C2S42932

Jaguar X-Type X400 Rear Bumper PDC Parking Sensor Wiring Harness C2S42932

€56.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. F1ET-14A584-CDE

Ford Focus Mk3 Front Wiring Cable Harness Door Driver's Side F1ET-14A584-CDE

€28.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. A1725409010

Mercedes A207 Front Bumper Wiring Harness Cable A1725409010

€222.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. CH22-14632-CC

Land Rover Discovery 4 L319 Rear Door Wiring Loom Harnes Right O/S CH22-14632-CC

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 8X0971693A

Audi A1 8X Door Wiring Harness Loom Rear Left Right N/O/S Cabling 8X0971693A

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 8W6945093AA-1

Audi A5 F5 Rear Tail Light Matrix LED Lamp Wiring Inner Left N/S 8W6945093AA

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. KK2T-15K868-AEE

Ford Transit Custom Rear Bumper Parking Sensor Wiring Loom KK2T-15K868-AEE

€56.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. A2059061357-4

Mercedes W205 Saloon Rear Lamp LED Wiring Cable Left N/S Tail Light A2059061357

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 8649179

BMW X5 F15 Positive Wiring Harness Cable Battery 8649179

€89.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. A2465406809

Mercedes W176 W246 Wiring Loom Cable Door Rear Left Right N/O/S A2465406809

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 9389220

BMW Mini Cooper F56 Wiring Passenger Loom Front Left N/S Door Cables 9389220

€32.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 7L5971694

Porsche Cayenne 9PA Rear Door Wiring Loom Harness Left Right N/O/S 7L5971694

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 8J0971035J

Audi TT 8J Driver's Side Door Card Wiring Loom Harness Cable 8J0971035H

€47.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 5A83C36

BMW F74 Gran Coupé X1 U11 Positive Battery Terminal Cable Wire B38A15P 5A83C36

€28.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 3C5971243

Volkswagen Passat CC Negative Battery Terminal Cable 3C5971243

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 7L6971120

Volkswagen Touareg 7L Front Door Wiring Loom Harness Passenger's Side 7L6971120

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. HPLA-14N144-AD

Range Rover Sport L494 Positive Plus Battery Wiring Cable HPLA-14N144-AD

€37.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 8T8971687J

Audi A5 S5 8T Door Wiring Loom Harness Wire Cable Rear Left N/S 8T8971687J

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. A2045402610

Mercedes W204 Cable Harness Rear Door Panel Card Wiring Loom A2045402610

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. A0009059300-CVB1

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

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. A2059064505-2

Mercedes S205 Estate Rear Headlight Wiring Harness Cable Right O/S A2059064505

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 7300271-2

BMW F01 Rear Tail Light Wiring Harness Cable Inner Left N/S 7300271

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 2376182

Ford Fiesta Mk8 Rear Bumper Parking Sensor Wiring Loom Harness H1BT-15K868-ABE

€32.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 8T8971030AM

Audi A5 8T Front Door Wiring Harness Loom Cable Passenger's Side 8T8971030AM

€28.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 4K0971226

Audi A6 C8 Positive Plus + Wiring Loom Cable Lead 4K0971226

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 8E2971235

Audi A4 B7 Seat Exeo 3R Battery Negative Terminal Cable 8E2971235

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 5Q0971499

Audi Q3 F3 VW Golf Mk7 Automatic Gearbox Wiring Loom Harness Cable 5Q0971499

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 7L5971121B

Porsche Cayenne 9PA Front Door Wiring Loom Harness Driver Side O/S 7L5971120A

€32.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. A0045454140

Mercedes ML W164 W251 Door Wiring Joint Protective Cap Bracket

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 8570659

Wiring BMW X3 F25 N47N Engine Automatic Gearbox Module Wiring Harness 8570659

€47.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 8J0971349BF

Audi TT Mk2 8J Alternator Charging Wire Cable 1.8 2.0 TFSI Petrol 8J0971349BF

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 5J6971161BA

Skoda Fabia Mk2 5J Rear Door Wiring Loom Harness Cable Right O/S 5J6971161BA

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 9455040

BMW G30 530e G20 330e B48X Hybrid CSC Wiring Harness Electrical Loom 9455040

€32.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 7387549-2

BMW F32 Bi-Xenon Headlight Lamp Light AKL Wiring Cable Front Left N/S 7387549

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 1K0971250AL

Audi A3 8P Negative Battery Terminal Cable Wiring Battery Wire 1K0971250AL

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 9426353

BMW G20 330e High Voltage Charging Cable Plug In Hybrid 9426353

€51.95

Free delivery: Nov 10 – 13

If paid before 14:00

Part no. A2118210197

Mercedes E-Class W211 Rear Door Wiring Loom Harness Rubber Grommet A2118210197

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 6913363

BMW E65 Glovebox Glove Box Dash Storage Wiring Harness Cable 6913363

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 9325552

BMW F06 Gran Coupe F12 F13 Parking Brake Wiring Loom Harness Cable 9325552

€56.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 8617709

BMW Mini Cooper F55 F56 Wiring Harness Motor Sensorsystem Module 8617709

€108.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 5A0C047

BMW G20 G21 Front Door Wiring Loom Harness Cable Driver's Side 5A0C047

€56.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 6949382

BMW E65 E66 Rear Door Wiring Harness Loom Cable 6949382

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 5F4971036M

Seat Leon Mk3 5F Door Wiring Loom Harness Front Passenger Side 5F4971036M

€28.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. A2059064405-2

Mercedes S205 Estate Rear Headlight Wiring Harness Cable Left N/S A2059064405

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 9453978

BMW G20 G21 G30 G31 Communication Wiring Harness Loom 9453978

€89.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. A0009059300

Mercedes W205 W212 W246 Parking Distance Sensor Parktronic White A0009059300

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. A2465402306

Mercedes W246 Centre Console Wiring Harness Loom Cable A2465402306

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. XFB000244-1

Land Rover L322 Tail Light Rear Lamp Right O/S Plug Socket Wiring XFB000244

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. LR040553

Range Rover L405 Alternator Generator Wiring Loom Link CK5210C307CD

€32.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. LJH3080AA

Jaguar XK8 X100 Boot Trunk Lid Wiring Harness Coupe LJH3080AA

€94.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 8R0915181

Audi Q5 8R Negative Battery Terminal Cable Wiring Battery 8R0915181

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. A1695406409

Mercedes W169 W245 Battery Earth Negative Cable Wiring Loom A1695406409

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 7634061

BMW F10 Engine Transmission Module Cable Loom Wiring Harness 7634061

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 8650791

BMW G11 G12 G20 G30 HV Accumulator Battery Positive Cable Wiring Plug 8650791

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 7300267-2

BMW F01 F02 LCI Rear Tail Light Inner Wiring Harness Cable Plug Left N/S 7300267

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 7LA971411E

VW Volkswagen Transporter T6 Power Steering Oil Sensor Wiring Harness 7LA971411E

€32.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 1682175680

Citroën Relay III Sliding Door Moving Contact Connector 2.2 Diesel 1682175680

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. CK52-971111-BC

Range Rover L405 Alarm Horn Siren Wiring Harness Cable CK52-971111-BC

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 821530H010H

Toyota Aygo Mk1 Door Wiring Loom Harness Cable Rear Right O/S 82153-0H010

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 5H9971693L

VW GOLF GTI CD1 Door Wiring Loom Harness Wire Rear Left N/S 5H9971693L

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 9355560

BMW G30 G31 G11 G12 Hybrid Negative Battery Cable Lead Wiring 9355560

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. A2095404010

Mercedes A209 Front Door Cable Wiring Loom Harness Left N/S A2095404010

€28.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 8S0971029D

Audi TT FV TTS 8S Front Door Wiring Loom Cable Harness Driver Side 8S0971029D

€70.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 8K0971029E

Audi A4 B8 Door Wiring Harness Loom Cable Front Driver's Side 8K0971029E

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 4L0971104S

Audi Q7 4L Rear Bumper Wiring Loom PDC Harness Parking Sensor 4L0971104

€28.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 8590045

BMW G20 G21 G01 G02 B47B B47D Engine Injector Module Wiring Harness 8590045

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 7L6971121J

Volkswagen Touareg 7L Front Door Wiring Loom Harness Passenger's Side 7L6971121J

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. A2129061803-2

Mercedes S212 Rear Tail Light Lamp Outer Wiring Harness Right O/S A2129061803

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. A9109053300

Mercedes Sprinter W910 Battery Sensor Negative Terminal Cable A9109053300

€42.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 8T8971029K

Audi A5 S5 8T Door Wiring Loom Harness Cable Wire Front Right O/S 8T8971029K

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 7P5971225B

Porsche Cayenne 92A Positive Battery Cable Wiring 3.0 Diesel 7P5971225B

€47.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 83A945093D-2

Audi Q3 F3 Rear Tail Light Lamp LED Wiring Harness Cable Left N/S 83A945093D

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 5NA945207C-2

VW Volkswagen Tiguan Mk2 Rear Tail Light LED Wiring Left Nearside N/S 5NA945207C

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

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