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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Earth Ground Cable BMW i3 I01 Hybrid Rex Electric Engine Wiring 8601245

€23.95

Free delivery: Sep 23 – 24

If paid before 14:00

Part no. A4145400130

Mercedes-Benz Vaneo W414 Cable Starter Line Positive Line Battery A4145400130

€23.95

Free delivery: Sep 23 – 24

If paid before 14:00

Part no. 5Q0971250T

Volkswagen Golf Mk7 Seat Leon 5F Battery Wire Negative Earth Lead 5Q0971250T

€28.95

Free delivery: Sep 23 – 24

If paid before 14:00

Part no. 7CA971067

Volkswagen Crafter SY Parking Assist Adapter Wiring Harness Cable 7CA971067

€23.95

Free delivery: Sep 23 – 24

If paid before 14:00

Part no. 8642652

BMW G30 Battery Negative Ground Cable Line Equi Potential Bonding LEB 8642652

€23.95

Free delivery: Sep 23 – 24

If paid before 14:00

Part no. 8U0971687D

Audi Q3 8U Door Loom Wiring Harness Cable Rear Left Right N/O/S 8U0971687D

€28.95

Free delivery: Sep 23 – 24

If paid before 14:00

Part no. 8W6971227B

Audi S5 F5 Positive Battery Terminal Cable Wiring Harness 8W6971227B

€56.95

Free delivery: Sep 23 – 24

If paid before 14:00

Part no. 6R4971693C

VW Volkswagen Polo 6R Rear Door Wiring Left Right N/O/S Harness Cable 6R4971693C

€23.95

Free delivery: Sep 23 – 24

If paid before 14:00

Part no. 2GA971395

VW Volkswagen T-ROC A11 Front Door Ambiente Light Wiring Left N/S 2GA971395

€23.95

Free delivery: Sep 23 – 24

If paid before 14:00

Part no. 8P4971035AB

Audi S3 8P Wiring Harness For Door Trim Panel D Cable Harness 8P4971035AB

€23.95

Free delivery: Sep 23 – 24

If paid before 14:00

Part no. 6821204

Mini Clubman F54 Negative HV Battery Terminal Cable Harness Wiring Loom 6821204

€28.95

Free delivery: Sep 23 – 24

If paid before 14:00

Part no. 8T8971687AA

Audi A5 S5 8T Door Wiring Loom Harness Cable Rear Left N/S 8T8971687AA

€23.95

Free delivery: Sep 23 – 24

If paid before 14:00

Part no. A2075400713

Mercedes A207 Convertible Front Seat Wiring Harness Cable Left N/S A2075400713

€113.95

Free delivery: Sep 23 – 24

If paid before 14:00

Part no. 8W0971228AM

Audi A4 B9 A5 F5 Wiring Set Starter Alternator Earth Lead 2.0 TDI 8W0971228AM

€28.95

Free delivery: Sep 23 – 24

If paid before 14:00

Part no. 9313656-1

BMW 3 Series F30 F80 Boot Trunk Lid Tailgate Wiring Loom Harness Cable 9260012

€28.95

Free delivery: Sep 23 – 24

If paid before 14:00

Part no. 8V41-13D154-BF-2

Ford Kuga Mk1 Headlight Headlamp Wiring Cable Front Right O/S 8V41-13D154-BF

€23.95

Free delivery: Sep 23 – 24

If paid before 14:00

Part no. 8638742

BMW G11 G12 G20 G30 Ground Line Battery Earth Cable Wire Cable 8638742

€32.95

Free delivery: Sep 23 – 24

If paid before 14:00

Part no. 8H1971029AK

Audi A4 Cabriolet B7 Door Harness Front Driver's Side 8H1971029AK

€32.95

Free delivery: Sep 23 – 24

If paid before 14:00

Part no. 7525434-1

Mini R52 R53 W11 Battery Cable Wire Harness Starter Base B 7525434

€28.95

Free delivery: Sep 23 – 24

If paid before 14:00

Part no. 8W0971237J

Audi S5 F5 Earth Line Wiring Cable 3.0 TDI Quattro 8W0971237J

€47.95

Free delivery: Sep 23 – 24

If paid before 14:00

Part no. 9153418

BMW F10 F11 B Plus Distributor Front Battery Cable 9153418

€23.95

Free delivery: Sep 23 – 24

If paid before 14:00

Part no. 8P0971148

Audi A3 8P Tailgate Heated Rear Window Wiring Harness Loom 8P0971148

€23.95

Free delivery: Sep 23 – 24

If paid before 14:00

Part no. A2215408707

Mercedes W221 Rear Door Wiring Loom Harness Cable Connector Left N/S A2215408707

€28.95

Free delivery: Sep 23 – 24

If paid before 14:00

Part no. A1765405109

Mercedes C117 X156 W176 M133 AMG Cruise Control Radar Adapter Wiring A1765405109

€37.95

Free delivery: Sep 23 – 24

If paid before 14:00

Part no. 8T8971688L

Audi A5 S5 8T Door Wiring Loom Harness Cable Rear Right O/S 8T8971688L

€28.95

Free delivery: Sep 23 – 24

If paid before 14:00

Part no. 6809487

Mini F56 Front Door Wiring Harness Cable Passenger Side 6809478

€23.95

Free delivery: Sep 23 – 24

If paid before 14:00

Part no. N8A2-14N164-AA

Range Rover Velar L560 Hybrid Battery Wiring Harness 2.0 Diesel N8A2-14N164-AA

€51.95

Free delivery: Sep 23 – 24

If paid before 14:00

Part no. 7P6971693Q

Volkswagen Touareg 7P Door Harness Wiring Loom Rear Left Right N/O/S 7P6971693Q

€28.95

Free delivery: Sep 23 – 24

If paid before 14:00

Part no. A1729062000-2

Mercedes SLK R172 Rear Tail Light Lamp Wiring Harness Cable Left N/S A1729062000

€23.95

Free delivery: Sep 23 – 24

If paid before 14:00

Part no. BK2T-19L540-AE

Ford Transit Custom Mk8 Door Wiring Loom Harness Left N/S BK2T-19L540-AE

€23.95

Free delivery: Sep 23 – 24

If paid before 14:00

Part no. 1K6945096-1

Volkswagen Golf Mk5 1K Tail Light Outer Lamp Wiring Rear Right O/S 1K6945096

€23.95

Free delivery: Sep 23 – 24

If paid before 14:00

Part no. A2055402645

Mercedes W205 Rear Bumper Parking Sensor Wiring Loom Harness A2055402645

€56.95

Free delivery: Sep 23 – 24

If paid before 14:00

Part no. 9286171

BMW F20 Front Right O/S Wiring Loom Harness Door O/S 9251711

€23.95

Free delivery: Sep 23 – 24

If paid before 14:00

Part no. 4H0971023

Audi A8 D4 A8 S8 4H Front Bonnet Wiring Loom Cables Harness 4H0971023

€28.95

Free delivery: Sep 23 – 24

If paid before 14:00

Part no. 1T0971095AN

Volkswagen Touran 1T Front Bumper Parking Sensor PDC Wiring Loom 1T0971095AN

€37.95

Free delivery: Sep 23 – 24

If paid before 14:00

Part no. A1729062100-2

Mercedes R172 Rear Tail Light Lamp Wiring Harness Cable Right O/S A1729062100

€23.95

Free delivery: Sep 23 – 24

If paid before 14:00

Part no. 4G5945093G-2

Audi A6 C7 Rear Tail Light Lamp LED Wiring Cable Inner Left N/S 4G5945093G

€23.95

Free delivery: Sep 23 – 24

If paid before 14:00

Part no. A2055407790

Mercedes W205 Battery Electric Wiring Harness A2055407790

€28.95

Free delivery: Sep 23 – 24

If paid before 14:00

Part no. A1775409357

Mercedes W177 M282 Starter Alternator Electrical Wiring Harness A1775409357

€28.95

Free delivery: Sep 23 – 24

If paid before 14:00

Part no. 8649866

BMW 3 Series F30 LCI 330e B48X High Voltage Cable Harness Loom Wiring 8649866

€85.95

Free delivery: Sep 23 – 24

If paid before 14:00

Part no. 7603567

BMW E60 E93 Mini Cooper R55 R56 R60 Minus Lead IBS Negative Battery 7603567

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Part no. 6988303

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

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Part no. 9215952

BMW E90 E91 E92 E93 Negative Battery Cable Minus Pole IBS

Product currently unavailable

Part no. 9302358

BMW F01 F10 F11 LCI IBS Negative Battery Lead Cable 9253082

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Part no. 7616200

Battery Cable BMW E90 E91 E92 E93 Wiring Negative Minus Pole IBS 7616200

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Part no. 6928366

PDC Wiring BMW E60 E61 Rear Bumper Loom Cables Set 6928366

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Part no. 9164352-1

BMW E90 E91 E92 IBS Negative Minus Battery Lead Cable Wire 9164352

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Part no. 7567119

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

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Part no. 9150109

BMW E81 E87 E90 E91 E92 Radio CD Professional 9150109 65129150109

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Part no. 9122276

BMW 5 Series E60 E61 LCI Rear Bumper PDC Cables Wiring Loom Set 9122276

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Part no. 7608804

BMW 1 3 Series F20 F21 F30 Wiring Loom Harness Injection Valve Ignition 7608804

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Part no. 9164355-1

BMW E81 E87 Battery Lead Cable Negative IBS 9215953 9184208 9164355

Product currently unavailable

Part no. 9164355

Battery Cable BMW E81 X1 E84 E87 Lead Negative 9123571

Product currently unavailable

Part no. 9117877

BMW F20 F21 F30 F31 F32 F33 Negative Minus Pole IBS Battery Lead Cable 9117877

Product currently unavailable

Part no. 9215952-1

BMW E90 E91 E92 E93 Negative Battery Cable Minus Pole IBS 9215952

Product currently unavailable

Part no. 6988974

BMW X1 E82 E84 E88 E90 E91 E92 LCI Battery Cable Plus Pole 6988974

Product currently unavailable

Part no. 9122274

BMW E60 E61 LCI Front Cables Set Wiring PDC Parking Sensor Bumper 9122274

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Part no. 9234437

BMW F01 F10 F11 LCI IBS Negative Battery Lead Cable 9234437

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Part no. 9128602

Cables Wiring BMW E81 E87 LCI Front Bumper PDC Loom Set 9128602

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Part no. 7530354

Mini Cooper R50 R52 Power Steering Pump Power Cables 7530354

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Part no. 6938504

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

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Part no. 9217036

BMW F07 F10 F11 F12 F13 Battery Cable Wiring Plus Pole 9217036

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BMW Mini Cooper S R55 R56 Engine Wiring Loom Harness Injection Valve Ignition

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Battery Cable BMW X5 X6 E70 E71 IBS Negative Battery Lead Cable 9164357

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BMW X3 X5 E53 E63 E83 Front Seat Belt Tensioner Buckle Connector Cable 8255704

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Part no. A1669056001

Battery Cable Mercedes W176 W246 Negative Lead Wiring Harness A1669056001

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Wiring Loom Cable BMW E46 X5 E53 X3 E83 Seat Occupancy Sensor 8240500

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Engine Wiring Mercedes W906 OM651.955 Euro 5 Cable Loom Harness A6511505520

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Part no. 9259425-2

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

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BMW F20 F21 F30 F31 Earth Cable Battery Engine N47N N13 7621168

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Part no. A2035400330

Mercedes W203 Kompressor M271 Positive Battery Cable A2035400330

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Part no. 8511958

Glow Plug Wiring BMW F20 LCI F45 F48 B37 Wiring Harness Engine 8511958

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Part no. 1724740

BMW E36 E39 E46 Engine Starter Electrical Earth Cable 1724740

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Part no. F20 F30 PLUG SOCKET LOOM PDC

PDC Plug BMW F20 F22 F30 F32 Loom Socket Parking Sensor Wiring Harness

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Part no. 7587465-1

IBS Cable Mini R55 R56 R57 Negative Battery Lead Terminal Wiring Cable 7587465

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Part no. 7601189

BMW Mini Cooper R55 R56 LCI N16 Engine Wiring Loom Injection Ignition

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Part no. 6821206

BMW F45 F46 F48 Battery Cable IBS Negative Battery Lead 6821206

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BMW E60 E61 E63 E64 Ground Cable Alternator Petrol 7551559

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Part no. A9064409913

Positive Cable Mercedes W906 OM651 Battery Starter Alternator Plus A9064409913

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Part no. 6929707-1

BMW E87 Battery Cable Wire Plus Pole Positive 6929707

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Part no. 6906347

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

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Positive Cable Mercedes W906 OM651 Battery Starter Alternator Plus A9065403527

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Part no. A6395400431

Mercedes Vito W639 Earth Cable Battery Terminal Wiring A6395400431

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Part no. 7571142

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

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Part no. 7823706

Mini Cooper R55 R56 R57 LCI Engine Wiring Harness Loom DDE 7823706

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Part no. 7799470

Wiring Bracket BMW E60 E61 X3 E83 Diesel Engine Harness Cable Loom Mount 7799470

Product currently unavailable

Part no. A0015425918-ALB

Mercedes W202 C208 W208 W220 Parking Distance Sensor PDC Almandine Black

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Engine Wiring BMW F20 F30 LCI B47 Loom Harness Cable 8516259

Product currently unavailable

Part no. 7850995

Engine Wiring BMW F80 M3 F82 M4 S55 Inject Loom Cable Harness Injector 7850995

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Part no. 7592511

BMW E88 E90 E91 E92 LCI F20 F21 F30 Ignition Wiring N55 Engine Harness 7592511

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Part no. 9315094

BMW X3 F25 Rear Bumper PDC Wiring Loom Parking Sensor Cable Harness 9315094

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Part no. E90 Wiring Loom Set PDC Rear-2

BMW 3 Series 2 E90 E90N E91 E91N LCI Wiring Loom Set PDC Rear Set Complete

Product currently unavailable

Part no. 7585946

Mini Cooper R56 Engine N12 Wiring Loom Harness Injection Valve Ignition 7585946

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Part no. A1765405408

Mercedes-Benz A-Class W176 Front Door Cable Wiring Loom Harness A1765405408

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Part no. 6938211

BMW 3 Series E90 E91 M3 Wiring Loom Front Door Right Driver's Side 6938211

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Part no. 3453587

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

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Part no. 6932006-1

BMW 5 6 Series 1 E60 E61 E63 E64 Battery Cable Holder Mounting B Base 6932006

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Part no. 9150891

BMW 1 Series E81 E82 E87N LCI E88 Wiring Cable Air Flap PDC Front 9150891

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Part no. 6970676

BMW X5 E70 Rear Bumper PDC Cables Wiring Loom Set 6970676

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