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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Mercedes W205 Electrical Ground Line Wire Earth Cable A2055404596

€23.95

Free delivery: Sep 23 – 24

If paid before 14:00

Part no. A9075404687-1

Mercedes W907 Battery Cable Alternator Wiring Loom Harness Cabling A9075404687

€113.95

Free delivery: Sep 23 – 24

If paid before 14:00

Part no. A2045409907

Mercedes W204 Battery Wiring Cable Harness Loom A2045409907

€28.95

Free delivery: Sep 23 – 24

If paid before 14:00

Part no. A2535401001

Battery Cable Mercedes C238 C253 Starter Alternator Wiring Harness A2535401001

€42.95

Free delivery: Sep 23 – 24

If paid before 14:00

Part no. A2074405734

Mercedes W207 Wiring Loom Harness Cable A2074405734

€23.95

Free delivery: Sep 23 – 24

If paid before 14:00

Part no. A1718200004

Mercedes R171 Wiring Harness Loom Cable Ventilation Driver Side A1718200004

€47.95

Free delivery: Sep 23 – 24

If paid before 14:00

Part no. A2535405429

Mercedes C253 OM656 Diesel Engine Motor Wiring Loom Cable Harness A2535405429

€23.95

Free delivery: Sep 23 – 24

If paid before 14:00

Part no. A2115460580

Wiring Holder Mercedes W211 Cable Loom Harness Cover Channel A2115460580

€23.95

Free delivery: Sep 23 – 24

If paid before 14:00

Part no. A1644400837

Mercedes W164 Parking Sensor Wiring Loom Cable Harness Front PDC A1644400837

€80.95

Free delivery: Sep 23 – 24

If paid before 14:00

Part no. A2034400033

Mercedes CLC CL203 Wiring Loom Cable Door Front Left Right N/O/S A2034400033

€23.95

Free delivery: Sep 23 – 24

If paid before 14:00

Part no. A2124405806

Mercedes W204 W212 Travel Monitor Sensor Wiring Loom Harness Cable A2124405806

€23.95

Free delivery: Sep 23 – 24

If paid before 14:00

Part no. A2055406921

Battery Wiring Mercedes X253 Diesel OM651 Alternator Harness Cable A2055406921

€23.95

Free delivery: Sep 23 – 24

If paid before 14:00

Part no. A2075405105

Mercedes W204 C207 W212 Panoramic Sunroof Wiring Cable Harness A2075405105

€28.95

Free delivery: Sep 23 – 24

If paid before 14:00

Part no. A2075406932

Mercedes A207 Boot Tailgate Wiring Loom Harness Cable A2075406932

€28.95

Free delivery: Sep 23 – 24

If paid before 14:00

Part no. A1698202561

Mercedes W245 Headlight Headlamp Lamp Light Wiring Front Left N/S A1698202561

€23.95

Free delivery: Sep 23 – 24

If paid before 14:00

Part no. A2124407038

Negative Cable Mercedes W212 Battery Earth Wiring Loom A2124407038

€23.95

Free delivery: Sep 23 – 24

If paid before 14:00

Part no. A2535402128

Mercedes X253 Starter Motor Wiring Harness Cable A2535402128

€66.95

Free delivery: Sep 23 – 24

If paid before 14:00

Part no. A1665402102

Battery Cable Mercedes W166 C292 Starter Alternator Wiring Harness A1665402102

€47.95

Free delivery: Sep 23 – 24

If paid before 14:00

Part no. A1765401505

Mercedes C117 W176 Interior Centre Console Cable Wiring Loom A1765401505

€23.95

Free delivery: Sep 23 – 24

If paid before 14:00

Part no. A2055406304

Mercedes W205 Hybrid Battery Cable Starter Wiring Loom Harness A2055406304

€32.95

Free delivery: Sep 23 – 24

If paid before 14:00

Part no. A2661501233

Engine Wiring Mercedes W169 W245 M266 Petrol Cable Loom Harness A2661501233

€56.95

Free delivery: Sep 23 – 24

If paid before 14:00

Part no. A2058200704

Sunroof Wiring Mercedes W205 X253 Panoramic Roof Motor Cable Harness A2058200704

€23.95

Free delivery: Sep 23 – 24

If paid before 14:00

Part no. A2044409734-1

Mercedes C204 Front Bumper PDC Wiring Parking Sensor Loom Harness A2044409734

€23.95

Free delivery: Sep 23 – 24

If paid before 14:00

Part no. A2701590042

Ignition Coil Mercedes W176 M270 Petrol Ignition Cable Connector A2701590042

€23.95

Free delivery: Sep 23 – 24

If paid before 14:00

Part no. A2115400131

Mercedes C219 Battery Starter Alternator Ground Earth Cable A2115400131

€23.95

Free delivery: Sep 23 – 24

If paid before 14:00

Part no. A4155401005

Mercedes Citan W415 Renault Kangoo Front Door Wiring Loom Left N/S 8200809160

€37.95

Free delivery: Sep 23 – 24

If paid before 14:00

Part no. A2135405542

Mercedes W205 Electrical Wire From Transmission To Body Ground Cable A2135405542

€28.95

Free delivery: Sep 23 – 24

If paid before 14:00

Part no. A0005400902

Mercedes W212 Vito W447 Adblue Injector Nozzle Wiring Harness Cable A0005400902

€23.95

Free delivery: Sep 23 – 24

If paid before 14:00

Part no. A2055400428

Battery Wiring Mercedes GLC X253 C253 Diesel OM651 Starter Cable A2055400428

€28.95

Free delivery: Sep 23 – 24

If paid before 14:00

Part no. A1175401805

Mercedes C117 Front Door Wiring Harness Cable Passenger Side A1175401805

€28.95

Free delivery: Sep 23 – 24

If paid before 14:00

Part no. A1635407505

Mercedes W163 Electric Seat Adjuster Motor Wiring Harness Cable A1635407505

€23.95

Free delivery: Sep 23 – 24

If paid before 14:00

Part no. A1664402406

Mercedes ML W166 Front Door Wiring Harness Cable Driver Side A1664402406

€32.95

Free delivery: Sep 23 – 24

If paid before 14:00

Part no. A1645400850

Mercedes W164 W251 Positive Battery Cable Wiring Loom OM642 Diesel A1645400850

€28.95

Free delivery: Sep 23 – 24

If paid before 14:00

Part no. A9075402087

Mercedes W907 Starter Wiring Battery Alternator Cable Harness Loom A9075401305

€61.95

Free delivery: Sep 23 – 24

If paid before 14:00

Part no. A2055400972

Mercedes C205 iDrive System Wiring Loom Harness Cable Unit A2055400972

€28.95

Free delivery: Sep 23 – 24

If paid before 14:00

Part no. A1175401405

Mercedes C117 Front Door Wiring Harness Cable Driver Side A1175401405

€23.95

Free delivery: Sep 23 – 24

If paid before 14:00

Part no. A0555452928

Mercedes W204 C207 C209 W212 W222 Engine Wiring Loom Harness Cable A0555452928

€23.95

Free delivery: Sep 23 – 24

If paid before 14:00

Part no. A2114404705

Fan Wiring Mercedes W204 W211 Heater Blower Unit Motor Cable Harness A2114404705

€51.95

Free delivery: Sep 23 – 24

If paid before 14:00

Part no. A1769980001

Door Wiring Plug Mercedes W176 W246 Cable Lead Connector A1769980001

€23.95

Free delivery: Sep 23 – 24

If paid before 14:00

Part no. A1665404802

Mercedes W166 Front Seat Headrest Wiring Cable Harness A1665404802

€23.95

Free delivery: Sep 23 – 24

If paid before 14:00

Part no. A1175402605

Mercedes C117 Rear Door Wiring Loom Harness Cable Left N/S A1175402605

€23.95

Free delivery: Sep 23 – 24

If paid before 14:00

Part no. A1664401606

Mercedes W166 Rear Door Wiring Harness Cable Loom Left Right N/O/S A1664401606

€23.95

Free delivery: Sep 23 – 24

If paid before 14:00

Part no. A2514402409

Mercedes W251 V251 Rear Door Wiring Loom Harness Cable Right O/S A2514402409

€28.95

Free delivery: Sep 23 – 24

If paid before 14:00

Part no. A0001502780

Mercedes W203 CL203 W204 M272 Petrol Ignition Coil Cable Connector A0001502780

€23.95

Free delivery: Sep 23 – 24

If paid before 14:00

Part no. A2115405707

Mercedes C219 Power Steering Rack Pump Wiring Harness Cable A2115405707

€23.95

Free delivery: Sep 23 – 24

If paid before 14:00

Part no. A2125407313

Mercedes W212 Front Bumper PDC Wiring Loom Harness A2125407313

€70.95

Free delivery: Sep 23 – 24

If paid before 14:00

Part no. A1645403130

Mercedes W164 Positive Battery Cable Wiring A1645403130

€170.95

Free delivery: Sep 23 – 24

If paid before 14:00

Part no. A2038204864-1

Mercedes CL203 Rear Tail Light Lamp Wiring Cable Harness Right O/S A2038204864

€23.95

Free delivery: Sep 23 – 24

If paid before 14:00

Part no. A0018276804

Mercedes W207 Connection Media Interface Cable iPod Wiring Lead A0018276804

€23.95

Free delivery: Sep 23 – 24

If paid before 14:00

Part no. A2135404953

Mercedes W205 Battery Cable Electrical Wiring Harness Hybrid A2135404953

€94.95

Free delivery: Sep 23 – 24

If paid before 14:00

Part no. A1775408609

Door Wiring Mercedes W177 W247 Front Passenger Side Cable Harness A1775408609

€23.95

Free delivery: Sep 23 – 24

If paid before 14:00

Part no. A9075407160

Mercedes W907 W910 Battery Electrical Wiring Harness Ground Line A9075407160

€23.95

Free delivery: Sep 23 – 24

If paid before 14:00

Part no. A9105400805

Mercedes Sprinter W910 Fuel Tank Wiring Loom Cable Harness A9105400805

€23.95

Free delivery: Sep 23 – 24

If paid before 14:00

Part no. A2055455400

Mercedes W205 Battery Power Connection Wiring Bar Rail Busbar A2055455400

€23.95

Free delivery: Sep 23 – 24

If paid before 14:00

Part no. A2055405626-1

Mercedes C Class W205 C350e Hybrid Battery Wiring Loom A2055405626

€51.95

Free delivery: Sep 23 – 24

If paid before 14:00

Part no. A1175402601

Mercedes C117 Parking Sensor Wiring Rear Bumper Parktronic Loom Cable Harness

€37.95

Free delivery: Sep 23 – 24

If paid before 14:00

Part no. A1685405008

Mercedes A-Class W168 Door Cable Harness Wiring Loom Front Right A1685405008

€23.95

Free delivery: Sep 23 – 24

If paid before 14:00

Part no. A2065406045

Mercedes W206 Rear Door Harness Cable Wiring Loom Left N/S A2065404116

€42.95

Free delivery: Sep 23 – 24

If paid before 14:00

Part no. A2055402237

Mercedes W205 Battery Cable Elelctrical Wiring Harness Loom Hybrid A2055402237

€113.95

Free delivery: Sep 23 – 24

If paid before 14:00

Part no. A1775405801

Mercedes W177 W247 Door Wiring Rear Left Right Cable Harness A1775405801

€23.95

Free delivery: Sep 23 – 24

If paid before 14:00

Part no. A2205404508

Mercedes W220 Door Wiring Harness Rear Left N/S Cable A2205404508

€23.95

Free delivery: Sep 23 – 24

If paid before 14:00

Part no. A0005401869

Mercedes-Benz A208 C208 W208 W210 Battery Cable Box Connector A0005401869

€80.95

Free delivery: Sep 23 – 24

If paid before 14:00

Part no. A1725408605

Mercedes SLK R172 Sun Visor Wiring Harness Cable Loom A1725408605

€23.95

Free delivery: Sep 23 – 24

If paid before 14:00

Part no. A2215407710

Mercedes W221 Battery Negative Terminal Cable Wiring Wire A2215407710

€23.95

Free delivery: Sep 23 – 24

If paid before 14:00

Part no. A1694710141

Mercedes W169 W245 Fuel Pump Cable Harness Bracket Mount Trim A1694710141

€23.95

Free delivery: Sep 23 – 24

If paid before 14:00

Part no. A6397600340

Mercedes Vito W639 Door Handle Cable Catch Bowden Cable Rear A6397600340

€23.95

Free delivery: Sep 23 – 24

If paid before 14:00

Part no. A2055402224

Mercedes S205 X253 Center Console Wiring Loom Electrical Harness A2055402224

€23.95

Free delivery: Sep 23 – 24

If paid before 14:00

Part no. A2044400638

Mercedes C204 Wiring Cable Harness Front Passenger Door Wiring Loom A2044400638

€28.95

Free delivery: Sep 23 – 24

If paid before 14:00

Part no. A2044400538

Mercedes C204 Wiring Cable Harness Front Driver Door Wiring Loom A2044400538

€32.95

Free delivery: Sep 23 – 24

If paid before 14:00

Part no. A2055401724

Mercedes W205 GLC X253 Centre Console Wiring Harness Cable Loom A2055401724

€23.95

Free delivery: Sep 23 – 24

If paid before 14:00

Part no. A1718200015

Mercedes SLK R171 Rear Window Heating Cable Loom Heat Wiring Harness A1718200015

€32.95

Free delivery: Sep 23 – 24

If paid before 14:00

Part no. A2048202275

Mercedes W204 W212 C218 Bluetooth Antenna Amplifier Wiring Cable A2048202275

€23.95

Free delivery: Sep 23 – 24

If paid before 14:00

Part no. A1775401858

Mercedes W118 W177 W247 Starter Alternator Wiring Loom Harness Cable A1775401858

€66.95

Free delivery: Sep 23 – 24

If paid before 14:00

Part no. A2045401434

Mercedes W204 OM642 Alternator Starter Wiring Harness Cable A2045401434

€42.95

Free delivery: Sep 23 – 24

If paid before 14:00

Part no. A2205400507

Mercedes W220 Door Wiring Harness Rear Right Left N/O/S Keyless Go A2205400507

€23.95

Free delivery: Sep 23 – 24

If paid before 14:00

Part no. A2055407067

Mercedes W205 Front Door Harness Wiring Loom Passenger Side A2055407167

€37.95

Free delivery: Sep 23 – 24

If paid before 14:00

Part no. A2215400210

Mercedes W221 Door Wiring Cable Rear Right O/S Door Loom Harness A2215400210

€23.95

Free delivery: Sep 23 – 24

If paid before 14:00

Part no. A2514402009

Mercedes W164 Front Left Right N/O/S Door Wiring Loom Harness A2514402009

€23.95

Free delivery: Sep 23 – 24

If paid before 14:00

Part no. A1715409506

Mercedes R171 Window Control Switch Wiring Cable Driver Side A1715409506

€23.95

Free delivery: Sep 23 – 24

If paid before 14:00

Part no. A2465406607

Positive Cable Mercedes W176 W246 Battery Lead Plus Pole Red A2465406607

€28.95

Free delivery: Sep 23 – 24

If paid before 14:00

Part no. A0005400502

Mercedes W212 W221 W447 W906 Adblue Injector Wiring Cable Loom A0005400502

€32.95

Free delivery: Sep 23 – 24

If paid before 14:00

Part no. A1635407405

Mercedes ML W163 Front Electric Seat Adjust Wiring Harness Cable A1635407405

€47.95

Free delivery: Sep 23 – 24

If paid before 14:00

Part no. A2515404206

Mercedes W251 Rear Bumper Parktronic Wiring Loom Parking Sensor A2515404206

€23.95

Free delivery: Sep 23 – 24

If paid before 14:00

Part no. A1725401209

Mercedes R172 Teleaid Monitoring Sensors Wiring Harness Cable Loom A1725401209

€23.95

Free delivery: Sep 23 – 24

If paid before 14:00

Part no. A2465408111

Mercedes W246 Door Wiring Loom Cable Front Right A2465408111

€32.95

Free delivery: Sep 23 – 24

If paid before 14:00

Part no. A2055404767

Mercedes C205 Front Door Harness Wiring Loom Driver's Side A2055404767

€37.95

Free delivery: Sep 23 – 24

If paid before 14:00

Part no. A6395400044

Mercedes Vito W639 Anti Theft Alarm Switch Loom Cable A6395400044

€32.95

Free delivery: Sep 23 – 24

If paid before 14:00

Part no. A2135409616

Mercedes Sprinter W910 Battery Sensor Negative Terminal Cable Wiring A2135409616

€23.95

Free delivery: Sep 23 – 24

If paid before 14:00

Part no. A1725404105

Mercedes R172 Rain Sensor Wiring Harness Cable Loom A1725404105

€23.95

Free delivery: Sep 23 – 24

If paid before 14:00

Part no. A1775406401

Mercedes W177 Door Wiring Loom Harness Cable Front Right O/S A1775406401

€37.95

Free delivery: Sep 23 – 24

If paid before 14:00

Part no. A2125406905

Mercedes W212 Door Wire Wiring Loom Front Left N/S A2125406905

€28.95

Free delivery: Sep 23 – 24

If paid before 14:00

Part no. A2198200764-2

Mercedes CLS C219 Rear Lamp Tail Light Wiring Cable Left N/S A2198200764

€23.95

Free delivery: Sep 23 – 24

If paid before 14:00

Part no. A2125406105

Mercedes W212 Rear LED Wiring Cable Harness Loom A2125406105

€23.95

Free delivery: Sep 23 – 24

If paid before 14:00

Part no. A2045402710

Mercedes W204 Wiring Loom Cable Door Rear Left Right N/O/S A2045402710

€23.95

Free delivery: Sep 23 – 24

If paid before 14:00

Part no. A2125406505

Mercedes W212 Door Wire Wiring Loom Front Right O/S A2125406505

€37.95

Free delivery: Sep 23 – 24

If paid before 14:00

Part no. A2075406233

Mercedes A207 Front Seat Wiring Harness Cable Left Right N/O/S A2075406233

€56.95

Free delivery: Sep 23 – 24

If paid before 14:00

Part no. A2055401900

Mercedes W205 Parking Sensor Wiring Rear Bumper PDC Loom Cable A2055401900

€47.95

Free delivery: Sep 23 – 24

If paid before 14:00

Part no. A2711508033

Mercedes W204 Engine Wiring Harness Cable Loom A2711508033

€313.95

Free delivery: Sep 23 – 24

If paid before 14:00

Part no. A2055409995

Mercedes C205 Pressure Sensor Wiring Loom A2055409995

€23.95

Free delivery: Sep 23 – 24

If paid before 14:00

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