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 A7 4G8 Front Door Harness Wiring Loom Cable Driver's Side 4G8971029DQ

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 5Q0971230FP

Battery Cable Audi A3 8V Starter Alternator Wiring Harness 5Q0971230FP

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 5QF971345

Audi RSQ3 F3 Positive Plus + Battery Wiring Harness Cable Power 5QF971345

€28.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. A2465409934

Mercedes W176 W246 Rear Door Wiring Loom Harness Left Right N/O/S A2465409934

€51.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 5G0971104AD

VW Volkswagen Golf Mk7 Wiring Loom PDC Rear Harness Parking Sensor 5G0971104AD

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 3R0971693A

Seat Exeo 3R Rear Door Wiring Harness Cable Loom Left Right N/O/S 3R0971693A

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. F1ET-14K138-CDE

Ford Focus Mk3 Front Wiring Cable Harness Door Passenger Side F1ET-14K138-CDE

€28.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 420971036

Audi R8 42 Front Door Wiring Harness Cable Loom Right O/S 420971036

€85.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 7508203-1

Range Rover L322 Battery Cable Positive Plus Pole Distribution Wiring 7508203

€66.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 8P4971035A-1

Audi A3 8P Door Wiring Harness Loom Electrical Cable Driver Side O/S 8P4971035A

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 8Y0945307A-1

Audi A3 8Y Rear Taillight Lamp Wiring Harness Loom Cable Left N/S 8Y0945308A

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 4K5971693BA

Audi A6 C8 Door Wiring Harness Cable Loom Rear Left Right N/O/S 4K5971693BA

€28.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 4G8971036K

Audi A7 4G8 Front Door Harness Wiring Loom Cable Passenger Side 4G8971036K

€47.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. A4155404305

Microphone Cable Mercedes Citan W415 Wiring Loom Cable Harness 27083202

€56.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 83F971104F

Audi Q3 F3 Rear Bumper PDC Wiring Loom Cabling Parking Sensor 83F971104F

€56.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. C1BT-14D559-AAC

Ford Fiesta Mk7 Boot Lid Tailgate Keyless Entry Wiring Loom C1BT-14D559-AAC

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 9380203

BMW G30 G31 G32 G11 G12 Cable Wiring Harness Holder Guide Mount 9380203

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. DK62-14A578-DD

Range Rover L405 Rear Seat Wiring Loom Harness Cable Right O/S DK62-14A578-DD

€42.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. LR076282

Land Rover Discovery Sport L550 Front Bumper PDC Wiring Loom FK72-14369-GC

€85.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 9805461

Mini Countryman R60 Front Door Wiring Loom Harness Cable Right O/S 9805461

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. KK2T-19L540-AC

Ford Transit Custom Mk8 Sliding Side Door Wiring Loom Left N/S KK2T-19L540-AC

€32.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. A1725400433

Electric Wire Mercedes SLK R172 M271 Alternator Prefuse Box Wiring A1725400433

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 9221953

BMW X5 E70 Interior Inner Wiring Loom Harness Cable 9221953

€56.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. A1725408705

Mercedes R172 Electrical Wiring Harness Cable Window Regulator A1725408705

€28.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 81A971035AP

Audi Q2 GA Front Door Wiring Harness Loom Cable Driver Side 81A971035AP

€47.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 9G9T-14240-HBA

Ford Mondeo Mk4 Rear Door Wiring Loom Harness Cable Right O/S 9G9T-14240-HBA

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 8091664

Baterry Cable Bracket BMW X3M F97 X4M F98 S58 Alternator Wire Holder 8091664

€28.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. LR157219

Range Rover Sport L494 Glow Plug Wiring Loom 3.0D MHEV LR157219

€99.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. A1775409141

Mercedes W177 W243 W247 Front Door Wiring Harness Cable Driver Side A1775409141

€32.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. A2215400305

Mercedes W221 Rear Axle Wiring Harness Loom Brake Wear Indicator A2215400305

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. L8D2-14N290-AE

Land Rover Discovery Sport L550 Negative Battery Cable 1.5 PHEV L8D2-14N290-AE

€28.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 8483816

BMW X3 G01 X4 G02 Cable Alternator Starter Base B Wire Line 8483816

€56.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 3C8971104C

VW Passat CC Rear Parking Sensor Wiring Loom Cable Harness 3C8971104C

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 7789263

BMW E60 LCI Engine Wiring Loom Harness Cable Plug Connector 7789263

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 81A971687N

Audi Q2 GA Door Wiring Loom Harness Cable Rear Right Left N/O/S 81A971687N

€32.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. A2055409229

Mercedes C205 Rear Shock Absorber Wiring Harness Cable Left N/S A2055409229

€28.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. GK3T-14A120-AC

Ford Transit Positive Battery Lead Harness Wiring Cable Loom GK3T-14A120-AC

€51.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 8730190

BMW G30 G31 Rear Door Wiring Loom Harness Cable Right O/S 8730190

€42.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. BK3T-19L540-DE

Ford Transit Mk8 Rear Sliding Door Wiring Loom Harness Cable BK3T-19L540-DE

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 5G0971104P

Volkswagen Golf R Mk7 Rear Bumper PDC Parking Sensor Wiring Harness 5G0971104P

€32.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. BV6T-14E073-BAB

Ford Kuga Mk2 Front Door Wiring Harness Cable Loom Right O/S BV6T-14E073-BAB

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 4L0945093-2

Audi Q7 4L Tail Light Rear Lamp Wiring Cable Connector Outer Left N/S 4L0945093

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 7649938

BMW Z4 Series E89 Roadster Wiring Loom Harness Engine Gearbox Module Petrol N20

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 3V9971104A

Skoda Superb Mk3 3V Rear Bumper Wiring Harness Cable 3V9971104A

€32.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 8793253

BMW X3 G01 Rear Right O/S Door Wiring 8793253

€28.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. KG9T-14B275-DD

Ford Mondeo Mk5 Heated Windscreen Rear View Mirror Wiring Cable KG9T-14B275-DD

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 4E0971693C

Audi A6 C7 4G Rear Door Harness Wiring Loom Cable Left Right N/O/S 4E0971693C

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 8A61-13W030-DG-2

Ford Fiesta Mk7 Headlight Headlamp Light Lamp Wiring Left N/S BA6T-14K012-BTB

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 5Q0971230FS

Skoda Superb V3 Audi A3 8V Alternator Wiring Harness Loom 5Q0971230FS

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 9436288

BMW G20 G21 Door Wiring Loom Harness Cable Rear Left N/S 9436288 9436287

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 82G971036A

Audi A1 GB Mk2 Door Wiring Loom Harness Cable Front Passenger Side 82G971036A

€28.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 3R0971687

Seat Exeo 3R Rear Door Wiring Harness Cable Loom Left Right N/O/S 3R0971687

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 6938218

BMW 3 Series E90 E91 M3 Wiring Loom Front Door Left Passenger Side 6938218

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. CV6T-F221050-AB

Ford Kuga Mk2 Front Windscreen Washer Wiring Harness Cable CV6T-F221050-AB

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. A2315407410

Mercedes R231 AMG Front Brake Lining Harness Wiring Cable Right O/S A2315407410

€28.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 7953075

BMW F70 F74 X1 U11 X2 U10 Mini F65 F66 Battery Alternator Starter Cable 7953075

€94.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 5Q0971228

Skoda Superb 3V Positive Battery Wiring Cable Terminal 5Q0971228

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 82C971030G

Audi A1 GB Sportback Front Door Wiring Loom Harness Passenger Side 82C971030G

€28.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 8602994

BMW 1 X1 X2 Series F39 F40 F48 Mini Cooper One F55 F56 Earth Cable Wire 8602994

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. A1765401707

Mercedes W176 Interior Roof Cable Ceiling Beam Wiring Loom A1765401707

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 7P5971162FT

Porsche Cayenne 92A Front Door Wiring Harness Loom Driver's Side 7P5971162FT

€32.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 5H32-14632-AA

Range Rover L320 Door Wiring Loom Harness Cable Rear Right O/S 5H32-14632-AA

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 8U0945093H-1

Audi Q3 8U Rear Tail Light Lamp Wiring Cable Inner Left N/S LED 8U0945093H

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. DG9T-14297-CE

Ford Mondeo Mk5 Front Screen Heated Jet Wire Harness Cable Loom DG9T-14297-CE

€37.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. A2055409127

Mercedes C205 Rear Axle Wiring Harness Cable Loom Left N/S A2055409127

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. A2129066701-1

Mercedes W212 Saloon Rear Tail Lamp Light Wiring Cable Right O/S A2129066701

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 9337205

BMW F32 Door Wiring Front Door Right Loom Cable Wiring Harness 9337205

€28.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 3T1T-14301-AE

Ford Transit Connect Mk1 Battery Wiring Harness Power Cable 3T1T-14301-AE

€51.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. A4475400053

Mercedes Vito W447 Negative Battery Cable A4475400053

€28.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 8589948

BMW G20 G21 Positive Battery Cable Wiring Loom 8589948

€56.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 6934011

BMW 7 Series E65 E66 Cable Harness Loom Front Door Wiring Left N/S 6934010

€32.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 6819936

BMW F30 F31 F32 F15 F16 Rear Door Card Light Lamp LED Wiring Harness 6819936

€51.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 6812250

BMW X1 F48 Door Wiring Loom Harness Cable Front Passenger Side N/O/S 6812250

€42.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 8H22-14633-AA

Land Rover Discovery 3 L319 Rear Door Wiring Harness Loom Left N/S 8H22-14633-AA

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 6809472

Mini Cooper F56 Front Door Wiring Loom Harness Driver Side 9389221

€56.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 8V0971100C

Sunroof Wiring Cable Audi A3 8V Roof Motor Electrical Harness Loom 8V0971100B

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. A2214405413

Mercedes W221 Front Door Wiring Harness Driver's Side A2214405413

€37.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 5G0971175C

Volkswagen Golf Mk7 Rear Tailgate Boot Lid Wiring Adapter Loom 5G0971175C

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 8U0971104E

Audi Q3 8U Rear Bumper PDC Parking Sensor Wiring Harness Loom Cable 8U0971104E

€47.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 8T0971029AE

Audi A5 S5 8T Coupe Front Door Wiring Loom Harness Driver's Side 8T0971029AE

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. A2135401087

Mercedes W205 W213 Battery Starter Alternator Wiring Harness OM654 A2135401087

€32.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 9326452

Door Wiring Harness BMW F34 Rear Left Right Door N/O/S Wiring Loom 9326452

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 8067511

BMW F98 Adapter Cable Wiring RBS Rear Axle 8067511

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 6819934

BMW X5 F15 X6 F16 Front Door Card Light Wiring Loom Left Right N/O/S 6819934

€32.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 1J0972732

Audi Q7 4L Rear Tail Light Lamp Bulb Connector Wiring Left Right N/O/S 1J0972732

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. A2215408335

Mercedes W221 Door Harness Left Right N/O/S Rear Door Wiring Loom A2215408335

€28.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 9323378

BMW X5 F15 X6 F16 Front Door Card Wiring Loom Harness Cable Left N/S 9323378

€28.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 5N0971693A

Volkswagen Tiguan 5N Rear Door Harness Cable Wiring Left Right N/O/S 5N0971693A

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. PZ3T-15K868-ABC

Ford Transit Custom Mk2 Rear Bumper Parking Wiring Loom Harness PZ3T-15K868-ABC

€104.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 9X23-14305-EC

Jaguar XF X250 Starter Motor Wire Harness Wiring Loom Cable Line 9X23-14305-EC

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 5Q0915181E

Audi A3 8V Negative Battery Terminal Cable Harness Wiring Loom 5Q0915181E

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 5K4971694AH

Volkswagen Golf Mk6 Door Wiring Loom Harness Rear Right O/S 5K4971694AH

€42.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 8590102

Alternator Cable BMW 5 G30 G31 G12 B57 Battery Wiring Alternator B+ 8590102

€32.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. A2195404605

Mercedes C219 Rear Bumper PDC Wiring Parking Sensor Loom Harness A2195404605

€32.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 8R0971030B

Audi Q5 8R Front Door Wiring Loom Harness Cable Passenger Side 8R0971030B

€32.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 81A971687J

Audi Q2 GA Rear Door Wiring Loom Harness Left Right N/O/S 81A971687J

€32.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 5K0971104B

Volkswagen Golf Mk6 Rear Tailgate Licence Plate Lighting Wiring Cable 5K0971104B

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. AV6N-10C679-BD

Ford C-Max Mk2 Negative Battery Terminal Cable Electrical Wiring AV6N-10C679-BF

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 95B955941D

Porsche Macan 95B PDC Parking Sensor Wiring Loom Front Bumper 95B955941D

€165.95

Free delivery: Nov 12 – 13

If paid before 14:00

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