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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Ford Fiesta Mk7 B-Max Battery Negative Terminal Earth Cable CV2T-10C679-BF

€32.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 3C0963553

VW Passa B6 Seat Occupied Sensor Wiring Cable Harness Module 3C0963553

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 1775355

Ford Focus Mk3 Negative Earth Cable Lead Loom Harness CV6T-14324-UAB

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 8X0971035AS

Audi A1 8X Door Loom Wiring Harness Cable Front Right O/S 8X0971035AS

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 8S0971036H

Audi TT FV Door Wiring Harness Loom Bang Olufsen Front Passenger Side 8S0971036H

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 6975045

Mini R50 R52 R53 Door Wiring Loom Cable Harness Cable Left N/S 6975037

€32.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 7P5971363CL

Porsche Cayenne S 92A Seat Wiring Harness Cable Loom Front Left N/S 7P5971363CL

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 9456484

BMW G20 G21 330e Hybrid Charging Port Socket Cable 9456484

€170.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. A2055401542

Mercedes W205 Rear Door Harness Wiring Cable Left Right N/O/S A2055401542

€61.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 9241331

BMW X1 E84 USB AUX-IN Socket Plug 9241331

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. FK72-14633-BCD

Land Rover Discovery Sport L550 Door Wiring Rear Left N/S FK72-14633-BCD

€42.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 8044501

BMW F06 F10 F12 F13 LCI Fuel Injectors Wiring Loom Harness Cyl 1-4 S63N 8044501

€75.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. A4475402231

Mercedes W447 Sliding Door Wiring Loom Harness Right O/S A4475402231

€32.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. HPLA-14301-AC

Range Rover Sport L494 Negative Battery Cable Wiring Loom HPLA-14301-AC

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 9337233

BMW F32 F33 F82 F83 M4 Door Wiring Front Harness Loom Cable 9337233

€32.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 6977066

BMW X5 E70 Door Cable Harness Wiring 6977066 6937277

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. A2035409213

Mercedes W203 Door Wiring Harness Front Left Right N/O/S Wiring Loom A2035409213

€27.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 5E5945112-2

Skoda Octavia Mk3 5E Rear Tail Light Lamp Wiring Cable Right O/S 5E5945112

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 4L0971687L

Audi Q7 4L Rear Door Wiring Loom Harness Cable Left Right N/O/S 4L0971687L

€28.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 9291964

BMW 1 Series F20 Front Left Door N/S Wiring Loom Harness Cables 9291964

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 821850D090

Toyota Yaris P9 Tailgate Boot Lock Wiring Loom Harness Cable 821850D090

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. A2129061703-2

Mercedes S212 Rear Tail Light Lamp Wiring Harness Outer Left N/S A2129061703

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. LR133289

Range Rover Sport L494 Transfer Box Wiring Harness 3.0 Diesel LPLA-13N850-BB

€42.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. A4475406453

Battery Cable Mercedes Vito W447 Diesel OM651 Alternator Wiring A4475406453

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 1K8980551

VW Scirocco Mk3 Reversing Camera Rear View Parking Cable Wiring 1K8980551

€203.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 9210037

BMW X1 E84 Air Conditioning Heater Loom Harness Cable Wiring N47 9210037

€28.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 6R0971065

Volkswagen Polo 6R Parking Sensor Wiring Rear Bumper PDC Loom Cable 6R0971065

€37.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 4M0971227CB

Audi Q7 4M 3.0 TDI Battery Earth Cable Lead Negative Wiring 4M0971227CB

€37.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 1129151

Ford Transit Mk6 Fuse Box Control Unit Connector Adapter Plug VYC15-14N003-AA

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. PZ3T-18C394-RPC

Ford Transit Custom Mk2 Rear Door Wiring Harness Cable Right O/S PZ3T-18C394-RPC

€42.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. A2215408809

Mercedes W221 Door Harness Wiring Loom Rear Left N/S A2215408809

€32.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. A4474404705

Engine Wiring Mercedes Vito W447 OM651 Engine Harness Cable A4474404705

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 5NA945308E-2

Volkswagen Tiguan Mk2 Tailgate Inner LED Light Lamp Wiring Right O/S 5NA945308E

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 6R0971349BP

Audi A1 8X Alternator Wiring Cable Loom Harness 1.6 TDI Diesel 6R0971349BP

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 8K0971104AC

Audi RS4 A4 B8 8K Parking Sensors Rear Bumper Wiring Loom 8K0971104AC

€42.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. PZ3T-13B551-BBC

Ford Transit Custom Mk2 Door Wiring Loom Harness Rear Right O/S PZ3T-13B551-BBC

€56.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. T2H28144

Jaguar XF X260 Rear Bumper Wiring Harness Loom Parking Sensor PDC T2H28144

€32.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 9806342

Mini R60 R61 Countryman Paceman Bonnet Earth Cable Strap Wire 9806342

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 8X0971030M

Audi A1 S1 8X 3D Door Wiring Harness Loom Cable Passenger Side 8X0971030J

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 8795109

BMW X3 G01 Rear Bumper PDC Wiring Loom Parking Sensor Cable Harness 8795109

€85.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 9300859

BMW X5 F15 Fuel Tank Cable SCR AdBlue Unit Adapter Wiring Harness Diesel 9300859

€28.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. DK52-14A583-AD

Land Range Rover L405 Tailgate Upper Loom Wiring Harness Cable DK52-14A583-AD

€80.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. A2185403405

Mercedes CLS C218 Rear Door Wiring Harness Loom Left Right O/S A2185403405

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 8374991

BMW Z4 E85 E86 Negative Minus Battery Cable Lead Wiring Loom 8374991

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. BV6T-14E073-BAD

Ford Focus Mk3 Front Door Wiring Loom Harness Right O/S BV6T-14E073-BAD

€37.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 4545045

Ford Transit Mk6 Fuse Box Control Unit Connector Adapter Plug 2C1T-14N003-CA

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. HJ32-12A610-DB

Land Rover Discovery L550 Glow Plug Relay Bracket Mount Support HJ32-12A610-DB

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 4L2035711G-1

Audi A5 8T Touareg 7P Q7 4L Microphone Cable Wiring Loom Harness 4L2035711G

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 8K5945094D-2

Audi A4 B8 Rear Door Taillight Lamp Wire Harness Loom Cable Right O/S 8K5945094D

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. BK3T-17A477-BA

Ford Transit Mk8 Wiper Motor Plug Wiring Loom Harness Connector BK3T-17A477-BA

€37.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 9224687

BMW Mini Clubman R55 LCI Cable Wiring Loom Splitdoor Door Rear Left N/S 9224424

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 6928523

BMW 3 Series E46 M47N Diesel Negative Earth Cable Battery 6928523

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 6801327

BMW X5 F15 Wiring Harness Loom Cable 6801327

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 9311280

BMW X3 F25 Fan Heater Blower Unit Motor Wiring Cable Harness Loom 9311283

€33.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. A2135406831

Mercedes W213 Rear Door Wiring Harness Keyless Left Right N/O/S A2135406831

€28.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 5A69273

BMW G20 330e Hybrid Battery Positive Cable Wiring 5A69273

€56.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. A1695400506

Mercedes W169 Front Bumper Parking Sensor Wiring Loom Cable Harness A1695400506

€47.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 2714043

Ford Transit Custom Diesel Door Wiring Loom Rear Right O/S PZ3T-14F514-CCC

€32.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 9224686

BMW Mini Clubman R55 Cable Wiring Loom Splitdoor Door Rear Right O/S 9224424

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 4L0971035AH

Audi Q7 4L Door Card Wiring Loom Harness Cable Front Left N/S 4L0971035AH

€37.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. AG9N-10C679-DB

Ford Mondeo Mk4 Battery Cable Negative IBS AG9N-10C679-DB

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. CK52-14N144-CE-1

Range Rover L405 Battery Positive Plus Fuse Cable Loom CK52-14N144-CE

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 8482361

BMW G20 G21 Engine Injector Wiring Loom Harness Cable B48X 8482362

€32.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. M8A2-14305-CB

Land Rover Range Rover Velar L560 Battery Starter Wiring 2.0D M8A2-14305-CB

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. LR032271

Range Rover L322 PDC Wiring Cable Loom Rear Bumper LR032271

€142.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. CK52-14B518-ED

Range Rover L405 Door Wiring Loom Harness Cable Rear Right O/S CK52-14B518-ED

€42.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 4G8971365J

Audi A6 C7 Seat Belt Wiring Harness Warning System Left Right N/O/S 4G8971365J

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. AX23-14369-BA

Jaguar XF X250 Front Bumper Wiring Loom Parking Sensor PDC Harness AX23-14369-BA

€37.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 21014375

Mercedes W204 C220 Heater Blower Cable Loom Wiring Adapter Connector 21014375

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 9335298

BMW 1 Series F20 Front Left Door N/S Wiring Loom Harness Cables 9215715

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. DK62-14N144-BE

Range Rover L405 Positive Battery Cable Wiring Harness Loom DK62-14N144-BE

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 7G92-15K868-AD

Land Rover Freelander 2 L359 Parking Sensor Wire Loom Rear Bumper 7G92-15K868-AD

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 2T1T-14A584-BG

Ford Transit Connect Door Wire Harness Loom Front Driver's Side 2T1T-14A584-BG

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 46868567

Vauxhall Movano C Electric Power Steering Wiring Harness 2.2 Diesel 46868567

€56.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. A0115453826

Mercedes W163 Data Connector Link Plug Wire Harness Pigtail A0115453826

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 51794154-2

Fiat Panda Mk2 Headlight Headlamp Wiring Harness Cable Plug Right O/S 51794154

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. DV6T-14301-AD

Ford Transit Connect Negative Battery Cable Wiring DV6T-14301-AD

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. K8D2-14N172-AD

Range Rover Evoque L551 Battery Box Wiring Cable Hybrid K8D2-14N172-AD

€37.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 4L0971036K

Audi Q7 4L Door Wiring Loom Harness Wire Cable Front Right O/S 4L0971036K

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 6929726

BMW E65 E66 Front Seat Wiring Harness Loom Cable Left N/S 6929726

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. A2185403005-1

Mercedes CLS C218 Front Door Wiring Harness Loom Passenger Side A2185403005

€28.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. A2075405205

Mercedes W207 Door Cable Wiring Loom Front Left Right Door N/O/S A2075405205

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. A2185403005

Mercedes CLS C218 Front Door Wiring Harness Loom Passenger Side A2185403005

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. FK72-14A699-BBC

Land Rover Discovery L550 Front Seat Wiring Loom Harness Cable FK72-14A699-BBC

€28.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 4L0971036C

Audi Q7 4L Front Door Wiring Loom Cable Passenger Side 4L0971036C

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 7L5971104

Porsche Cayenne 955 9PA Rear Bumper PDC Sensor Wiring Loom Cable 7L5971104

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 8044503

BMW F06 F10 F12 F13 Fuel Injectors Wiring Loom Harness Cable 8044503

€66.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 4K5971030D

Audi A6 C8 Door Card Wiring Loom Harness Cable Front Passenger Side 4K5971030D

€61.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. DX23-14633-BB

Jaguar XF X250 Door Wiring Loom Harness Rear Left N/S DX23-14633-BB

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. JK2T15K868AB

Ford Transit Custom Rear Bumper PDC Cables Wiring Loom Harness JK2T-15K868-AB

€47.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 9262215

BMW F01 Front Bumper Parking Sensor PDC Wiring Loom Harness Cable 9262215

€80.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. A4535406211

Smart A453 Wiring Loom Harnes Cable A4535406211

€32.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. A2465405933

Battery Cable Mercedes W176 W246 Terminal Starter Wiring Harness A2465405933

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. CV6T-15K857-MED

Ford Kuga C520 Centre Console Wiring Loom Harness Cable CV6T-15K857-MED

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. CK52-14301-BC

Range Rover L405 Negative Battery Terminal Cable Lead Wiring CK52-14301-BC

€47.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 9337180

BMW F32 Interior Light Courtesy Wiring Cable Loom Adapter 9337180

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 4K8971036F

Audi A6 C8 Door Card Wiring Loom Harness Cable Front Passenger Side 4K8971036F

€47.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. YMD001991

Range Rover L322 Parking Sensor PDC Wiring Harness Cable YMD001991

€28.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 1439740

BMW X5 E53 Cable Starter-Base B Electrical Cable Wiring 3.0i M54 Petrol 1439740

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

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