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.

Wiring Harnesses, 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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Range Rover Sport L320 Wiring Harness Loom Front Driver's Seat 5H32-14N131-MA

PLN 99.95

Free delivery: Sep 23

If paid before 14:00

Part no. 6C0971065

Volkswagen VW Polo MK5 Parking Sensor Wiring Rear Bumper Loom Cable 6C0971065

PLN 132.95

Free delivery: Sep 23

If paid before 14:00

Part no. 1388277080

Citroen Relay 35L III Positive Battery Wiring Loom Harness Diesel 1388277080

PLN 75.95

Free delivery: Sep 23

If paid before 14:00

Part no. 6797031

BMW F25 Shock Absorber Sensor Adapter Wiring Loom Cable Front Axle 6797031

PLN 123.95

Free delivery: Sep 23

If paid before 14:00

Part no. 8U0971035AK

Audi Q3 8U Door Loom Wiring Harness Cable Front Driver's Side 8U0971035AK

PLN 94.95

Free delivery: Sep 23

If paid before 14:00

Part no. 7C0971067D

Volkswagen Crafter TR Parking Assist Wiring Harness Adapter Cable 7C0971067D

PLN 113.95

Free delivery: Sep 23

If paid before 14:00

BMW F01 F07 GT Console Lightning Centre LED Lamp Light Cable Wiring 9187011

-9%

Part no. 9187011

BMW F01 F07 GT Console Lightning Centre LED Lamp Light Cable Wiring 9187011

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PLN 46.95

PLN 42.95

Delivery: Sep 23

If paid before 14:00

Part no. 8W0971693AB

Audi A4 B9 Rear Door Card Loom Wiring Loom Harness Cable 8W0971693AB

PLN 99.95

Free delivery: Sep 23

If paid before 14:00

Part no. 7L5971095C

Porsche Cayenne 9PA 955 Front Bumper PDC Park Sensor Wiring Harness 7L5971095C

PLN 94.95

Free delivery: Sep 23

If paid before 14:00

Part no. 7301271-2

BMW X5 F15 F85 Rear Trunk Lid Boot Tailgate Lamp Light Wiring Left N/S 7301271

PLN 42.95

Delivery: Sep 23

If paid before 14:00

Part no. 307380350-AB

Range Rover Evoque L538 Steering Wheel Wiring Loom Harness Cable 307380350-AB

PLN 61.95

Free delivery: Sep 23

If paid before 14:00

Part no. 7835892

BMW 5 6 Series E60 E61N M5 E63 M6 Cable Starter Base B+ Engine Battery 7835892

PLN 46.95

Delivery: Sep 23 – 24

If paid before 14:00

Part no. A2124400706

Wiring Harness Mercedes W212 LED Lighting Air Nozzle Cable A2124400706

PLN 56.95

Delivery: Sep 23

If paid before 14:00

Part no. 9387151-1

BMW F30 Hybrid 330e B48X Positive Battery Lead Cable Starter Unit Wiring 9387151

PLN 99.95

Free delivery: Sep 23

If paid before 14:00

Part no. KK2T-15K868-AEE

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

PLN 189.95

Free delivery: Sep 23

If paid before 14:00

Part no. A2055408709

Mercedes W205 Door Wiring Harness Loom Cable Front Driver's Side A2055408709

PLN 142.95

Free delivery: Sep 23

If paid before 14:00

Part no. 6934095

BMW 7 Series E65 E66 Door Wiring Harness Rear Right Left N/O/S

PLN 46.95

Delivery: Sep 23

If paid before 14:00

Part no. 3G5971104C

Volkswagen Passat B8 Rear Parking PDC Sensor Wiring Loom 3G5971104C

PLN 80.95

Free delivery: Sep 23

If paid before 14:00

Part no. 4F0971073

Audi A6 C6 Front Slam Panel Wiring Loom Harness Cable 4F0971073

PLN 56.95

Delivery: Sep 23

If paid before 14:00

Part no. M8A2-F260145-BB

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

PLN 85.95

Free delivery: Sep 23

If paid before 14:00

Part no. 8611289

Mini Cooper S R56 JCW Coolant Thermostat Adapter Wiring Cable 8611289

PLN 123.95

Free delivery: Sep 23

If paid before 14:00

Part no. A2135400329

Mercedes X253 Electrical Wiring Harness Cable Hybrid A2135400329

PLN 379.95

Free delivery: Sep 23

If paid before 14:00

Part no. 7182206-2

BMW F01 F02 F03 F04 Rear Tail Light Lamp Wiring Harness Plug Right O/S 7182206

PLN 42.95

Delivery: Sep 23

If paid before 14:00

Part no. 8E0972081

Audi A4 B8 A5 8T 8F Starter Wiring Loom Harness Clip 8E0972081

PLN 47.95

Delivery: Sep 23

If paid before 14:00

Part no. 9282069

BMW 5 Series F10 F11 Cable Loom Front Driver's Door Wiring Harness 9255986

PLN 142.95

Free delivery: Sep 23

If paid before 14:00

Part no. N8A2-14N168-AA

Range Rover Velar L560 Power Distribution Box Wiring Loom Hybrid N8A2-14N168-AA

PLN 465.95

Free delivery: Sep 23

If paid before 14:00

Part no. 7E0915181G

Volkswagen Transporter T6 Camper T5 Battery Wiring Loom Harness Cable 7E0915181G

PLN 184.95

Free delivery: Sep 23

If paid before 14:00

Part no. 6807332

BMW G30 530e 530eX B48X Hybrid Battery Wiring Positive Under Floor Cable 6807332

PLN 151.95

Free delivery: Sep 23

If paid before 14:00

Part no. 6988303

BMW F20 F30 E60 E65 X5 E70 X6 E71 E84 Air Wiring Sensor Quality AUC 6988303

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BMW E60 E93 Mini Cooper R55 R56 R60 IBS Negative Battery Lead 9184204

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Battery Cable BMW E90 E91 E92 E93 Positive Lead Battery Wiring Harness 6938504

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BMW X3 Series E83 2.0d Diesel M47N2 Wire Line Lead For Preheater System 3402979

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BMW X5 E70 Rear Bumper PDC Cables Wiring Loom Set 6970676

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Mercedes CLK W203 C209 Negative Battery Terminal Cable A2035400231

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Mercedes-Benz W169 Front Bumper Parking Distance Sensor Parktronic Polar Silver

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Audi Q2 GA Negative Terminal HV Battery Cable Lead Ground Clamp 5Q0915181J

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BMW 7 Series E65 E66 Positive Battery Cable Plus Pole Petrol 6904903

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Seat Occupancy Sensor BMW E87 E90 E91 E92 Co Driver Mat Cable 6945898

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BMW X5 E70 X6 E71 E72 Battery Earth Cable Wiring Loom 7557027

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BMW F30 F31 F80 M3 F82 M4 Positive Battery Cable Plus Pole 9259425

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Positive Cable Mercedes W906 OM651 Battery Starter Alternator Plus A9065403527

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Ignition Wiring Harness Mini Cooper One R55 R56 R57 Injection Valve 7567119

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BMW 5 Series E60 E61 Wiring Loom Harness Co-Drivers Passenger Side 6925936

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BMW F01 F10 F11 LCI IBS Negative Battery Lead Cable 9234437

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BMW X3 E83 LCI N47 Diesel Cable Alternator Starter Base B 3453587

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BMW X5 Series E53 Rear Bumper PDC Cables Set Wiring Loom Harness 6906347

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BMW X5 E53 3.0i M54 Wiring Loom Harness Engine Automatic Gearbox 7531992

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Part no. E81 E87 Wiring Loom Set PDC rear

BMW 1 Series 1 E81 E87 Wiring Loom Set PDC Rear Complete Harness Parking Sensor

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BMW 3 Series E46 Saloon Cable Door Rear Left Right N/O/S Wiring Harness 6913084

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BMW F10 F20 F30 Wiring Harness Motor Sensorsystem Module Petrol N20

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BMW 1 3 5 6 7 X1 X3 X5 X6 Series E81 E87 E90 Cable Audio Aux In Socket 178cm

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Parking Sensor Mercedes W169 Front Bumper Distance Parktronic Horizon Blue 391

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Plus Cable Wiring Mini Cooper R55 R56 R57 Battery Lead Power Positive 7571142

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BMW 5 E60 E61 Front Door Wiring Loom Harness Passenger Side 9175879

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Mercedes-Benz A C W169 W204 Battery Negative Earth Cable Wiring A2045420818

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BMW 3 Series E92 Front Right O/S Driver Side Door Wire Wiring Loom 6957111

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Battery Cable BMW F20 F21 F22 Red Positive Plus Pole Blow Off 9253111

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Positive Battery Cable BMW F30 F31 F80 M3 F82 M4 Plus Pole Power Red 9259425

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Part no. 6928366

PDC Wiring BMW E60 E61 Rear Bumper Loom Cables Set 6928366

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Mercedes W202 C208 W208 W220 Parking Distance Sensor PDC Almandine Black

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Mercedes-Benz E-Class W211 Battery Positive Cable Wiring A2115407907

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Mercedes-Benz A B W169 W245 Starter Alternator Battery Lead Cable A1694402805

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Audi A5 F5 Rear Bumper PDC Parking Sensor Wiring Harness Loom Cable 8W6971104A

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VW Golf Mk5 Engine Wiring Loom Cable Harness Injector Module Diesel 03G971826A

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Engine Wiring BMW F10 F11 520d N47N Loom Cable Harness Injector Module 8513814

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Mercedes W211 W219 Earth Ground Cable Battery Wiring Loom Engine A2115420518

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BMW F10 F11 N47S1 Engine Injector Module Wiring Harness 8508654

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BMW 1 Series E82 E88 Rear Bumper Wiring Loom PDC Harness 9182571

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Audi A3 S3 8V Sportback Wiring Harness PDC Parking Sensor Rear Bumper 8V0971104

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