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Trailer Wiring

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SCA

SCA Trailer Wire 10m 7 Core

$43.99 ^{^}

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SCA

SCA Trailer Wire 5 Core 10m

$40.99 ^{^}

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SCA

SCA Trailer Wire 2m 7 Core

$11.99 ^{^}

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SCA

SCA Trailer Wire 2m 5 Core

$9.29 ^{^}

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SCA

SCA Trailer Wire 1m 7 Core

$8.29 ^{^}

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Narva

Narva Trailer Cable - 2.5mm, 6m, 5 Core

$24.99 ^{^}

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Narva

Narva Trailer Cable - 2.5mm, 10m, 5 Core

$34.99 ^{^}

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TAG

TAG Direct Fit Wiring Harness to suit GM Commodore VT - UNT208

$44.99 ^{^}

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TAG Direct Fit Wiring Harness to suit Subaru Impreza G3,G4 Hatchback 02/10-O - UNT308

$39.99 ^{^}

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E-Rich Jaeger

E-Rich Jaeger Towbar Wiring Harness to suit LDV G10 Van 01/16-On - 750083EJ

$449.00 ^{^}

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TAG

TAG Direct Fit Wiring Harness to suit Nissan Xtrail T32 - UNT337

$299.99 ^{^}

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TAG

TAG Pulse Complete 7 Pin Flat Socket Wiring Kit - UNT022

$49.99 ^{^}

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TAG

TAG Direct Fit Wiring Harness to suit Mitsubishi Outlander 11/06-On With Ecu - UNT292

$249.99 ^{^}

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TAG

TAG Direct Fit Wiring Harness to suit Nissan Navara NP300 Ute - UNT334

$69.99 ^{^}

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TAG

TAG Universal Towbar Wiring Harness 12/24V ECU - UNTEC2W

$149.99 ^{^}

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Sunrise

SUNRISE 2 Core Electrical Cable 2mm, Per meter - C2CLM

$3.99 ^{^}

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Trailer Vision

Trailer Vision 7 Pin Flat Tornado Trailer Plug With Cover - TV7GS

$19.99 ^{^}

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TAG

TAG Direct Fit Wiring Harness to suit Mitsubishi Triton (11/05-12/15) and Mitsubishi (2014-On) - UNT262

$84.99 ^{^}

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TAG

TAG Direct Fit Wiring Harness to suit Toyota Prado 06/99-On - UNT236

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TAG

TAG Direct Fit Wiring Harness to suit GM Cruze JG,JH Sedan 6/09 - On - UNT304

$249.99 ^{^}

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TAG

TAG Grey Anderson Plug Kit 50 Amp - UNTE003

$249.99 ^{^}

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Narva

Narva 7 Core Trailer Wire - 5A, 30m, 2.5mm

$184.99 ^{^}

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TAG

TAG Direct Fit Wiring Harness to suit Holden Colorado 7 & Ute Canbus 06/2012 - On - BR-702025

$299.99 ^{^}

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TAG

TAG Direct Fit Wiring Harness to suit Mitsubishi Triton - UNT263

$129.99 ^{^}

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Narva

Narva 5 Core Trailer Wire - 10A, 30m, 3mm

$187.99 ^{^}

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Narva

Narva 7 Core Trailer Wire - 15A, 30m, 4mm

$379.00 ^{^}

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Narva

Narva 7 Core Trailer Wire - 10A, 30m, 3mm

$239.99 ^{^}

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TAG

TAG Direct Fit Wiring Harness to suit Toyota Hiace Van - UNT226

$69.99 ^{^}

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Sunrise

SUNRISE 7 Core Electrical Cable 4mm, Per meter - C7CLMHD4

$9.99 ^{^}

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TAG

TAG 7 Pin Flat Car Plug Socket - UNT032

$11.99 ^{^}

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Narva

Narva Trailer Cable - 5 AMP, 2.5mm, 10m, 7 Core

$65.99 ^{^}

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TAG

TAG Direct Fit Wiring Harness to suit Ford AU-BF Sed/Wag - UNT201

$39.99 ^{^}

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TAG

TAG Direct Fit Wiring Harness to suit GM Commodore VX-VZ 7Pin Flat with Rev Sensors - UNT208Rs

$199.99 ^{^}

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TAG

TAG Direct Fit Wiring Harness to suit Ford BA,BF Sed/Wag with Rev Sens - UNT201RS

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Showing 1 - 34 of 321 Results

Discover Our SUPER Range of Trailer Plug Wiring

Trailer plug wiring connects your vehicle’s electrical system to your trailer, allowing lights and other functions to operate together. A correctly connected wiring setup helps ensure brake lights, indicators, and tail lights respond as expected when towing. Checking your wiring before each trip can help identify any faults or loose connections.

Understanding trailer wiring setups

Trailer wiring systems typically use multi-core cables, such as 5-core or 7-core wiring, depending on the number of electrical functions required. These wires connect to trailer plugs that match the socket on your vehicle. Choosing the correct wiring configuration helps ensure all lights and components operate correctly together.

Options to suit different setups

Our range includes trailer wiring cable in different lengths, such as shorter lengths for compact setups and longer options like 10 metres for larger trailers. We also offer complete wiring harnesses designed for direct fitment, making installation easier for certain trailer types. Selecting the right cable length and type helps ensure wiring can reach all required components without strain.

Choosing the right wiring components

When selecting trailer wiring, it’s important to match the plug type and wiring configuration to your vehicle and trailer. Checking the number of pins on your vehicle socket and ensuring compatibility with your trailer plug can help avoid connection issues. If you’re replacing existing wiring, using your current setup as a reference can help ensure the new components match correctly.

Shop trailer plug wiring at Supercheap Auto

Explore our range of trailer wiring, cables, and harnesses online or visit your local Supercheap Auto store to find a suitable option for your trailer. With options available for different trailer types and wiring setups, it’s easier to find a match for your needs. If you're unsure which wiring setup you need, our team can help based on your trailer and vehicle connection type, and bringing details such as plug type or cable length can make selection easier.

Frequently Asked Questions - Trailer Plug Wiring

How do I check trailer wiring?

Start with a visual inspection of the wiring for damage, loose connections, or exposed wires. Connect the trailer to your vehicle and check that all lights, including brake, indicator, and tail lights, are working as expected. If a fault is found, inspect connections, plugs, and fuses to isolate the issue. For more detailed guidance, check out our DIY guide on how to replace trailer wiring and lights.

How do I protect trailer wiring from water and damage?

Using sealed connectors, protective coverings, and routing wiring away from moving parts can help reduce exposure to water and damage. Covering connections with suitable materials such as heat shrink or conduit can also help protect exposed sections. Regular checks can help identify worn or damaged areas early.

What type of trailer wiring do I need?

The type of wiring required depends on your trailer setup and how many functions need to be connected. Common setups include 5-core or 7-core wiring, depending on the number of lights and accessories in use. Checking your existing wiring or plug type can help determine the most suitable option.

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Trailer Wiring

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Trailer Vision

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Discover Our SUPER Range of Trailer Plug Wiring

Understanding trailer wiring setups

Frequently Asked Questions - Trailer Plug Wiring

How do I check trailer wiring?

How do I protect trailer wiring from water and damage?

What type of trailer wiring do I need?