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Trailer Wiring Harnesses & Cable

Trailer Wiring Harnesses & Cable for Canadian drivers — 212 products in stock. Prices from $29 to $155 CAD. Free shipping across Canada on every order, with prices in Canadian dollars.Everything in this collection is grouped from our live catalogue, so the count above reflects...

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Explore North Trail Auto Accessories

Discover premium automotive accessories designed for Canadian drivers. From comprehensive car care products to sleek interior upgrades, our collection enhances your vehicle’s comfort, style, and functionality with durable, trusted solutions.

Shop confidently with free shipping on all orders across Canada. Choose from phone mounts, organizers, and detailing tools tailored to elevate your everyday driving experience with quality and convenience.

GEARit front connector view showing secure fit and easy hookup benefit

GEARit

GEARit 7-Way Trailer Plug Extension Cord 1 ft — Heavy-Duty 7-Pin Wiring Harness, Weather-Resistant

$76.54

Free shipping · 30-day easy returns

HiFind front view of bonded 6-way flat harness showing full 35ft length benefit

HiFind

Enough Long 14 Gauge 35 Ft 6-Way Conductor Trailer Wiring

$68.92

Free shipping · 30-day easy returns

WALSIO front connector view showing secure male plug and weatherproof cap benefit

WALSIO

26FT Trailer Wiring Harness Kit

$63.20

Free shipping · 30-day easy returns

NEW SUN front connector view showing clear plug design and fast hookup benefit

NEW SUN

NEW SUN 80" 3-to-2 Wire Tail Light Converter — 100% Copper, Weatherproof Inline Adapter

$57.45

Free shipping · 30-day easy returns

ONLINE LED STORE TRUE MODS front view showing compact 3ft plug ease

ONLINE LED STORE

ONLINE LED STORE 3ft 7-Pin Trailer Extension Cable for Fifth-Wheel/Gooseneck — Waterproof, Nickel-Plated

$63.20

Free shipping · 30-day easy returns

Deluwire front connector showing secure plug fit and dependable towing connection

Deluwire

Deluwire 8FT 7-Pin Trailer Plug Wiring Harness — Heavy-Duty 8ft, Kink-Resistant PVC & Dual-Pin Contacts

$57.49

Free shipping · 30-day easy returns

Deluwire front plug showing seven-pin configuration and durable housing benefit

Deluwire

Deluwire 7-Pin Trailer Plug Wiring Harness — 6FT Heavy-Duty, Kink-Resistant PVC & Dual-Pin Terminals

$57.49

Free shipping · 30-day easy returns

PlugSaf 7-way plug front view showing robust connector and secure latch benefit

PlugSaf

PlugSaf 7-Way 8ft Trailer Plug Cord — Heavy-Duty 7-Pin RV Wiring Harness, Waterproof PVC

$65.11

Free shipping · 30-day easy returns

Nilight front view of 7-way to 5-way harness showing whole adapter and portability

Nilight

Nilight 7 Way to 5-Way Coiled Trailer Extension Wiring

$62.25

Free shipping · 30-day easy returns

Nilight front view of 7-way extension showing plug and receptacle, ensures easy hookup

Nilight

Nilight 7-Way Trailer Plug Extension Cable 3FT Black — Double-Prong Copper Terminals, Weather-Resistant

$63.96

Free shipping · 30-day easy returns

Seamaka front view adapter showing both 7-blade and 4-flat outputs for quick hookup

Seamaka

Seamaka 7 Pin Trailer Plug Adapter — 7-Way to 7-Blade + 4-Flat Dual Output, Spring-Loaded Cover

$65.11

Free shipping · 30-day easy returns

CheeMuii front view of full 8-foot 7-way harness showing clean durable construction and quick hookup benefit

CheeMuii

CheeMuii 8 FT 7 Way Trailer Wiring Harness Kit with 7 Pin

$57.49

Free shipping · 30-day easy returns

Seamaka front 4-way flat plug showing durable seal and quick connect benefit

Seamaka

Seamaka 26FT Trailer Wiring Harness 4-Way Flat 5-Wire (16AWG) — Jacketed Cable with 2.5FT Ground

$55.58

Free shipping · 30-day easy returns

Gubrdfrsod front plug assembly showing sturdy housing and reliable connection

Gubrdfrsod

Gubrdfrsod 6 ft 7-Pin Trailer Plug Wiring Harness — Pure Copper 7-Way Cord with Dust Cover

$52.92

Free shipping · 30-day easy returns

Gubrdfrsod front 7-pin plug showing secure connection and improved reliability

Gubrdfrsod

Gubrdfrsod 7-Way 7-Pin Trailer Plug 4 ft Heavy-Duty Pure Copper Harness with Dust Cover, Weather-Resistant

$51.01

Free shipping · 30-day easy returns

MECMO front view of USCAR 7-pin socket showing reliable trailer hookup

MECMO

MECMO OEM Style Replacement USCAR Connector Wiring Harness

$53.68

Free shipping · 30-day easy returns

HiFind harness front packaging showing 25 ft length and 6-way features offering clear identification

HiFind

Enough Long 14 Gauge 25 Ft 6-Way Conductor Trailer Wiring

$51.77

Free shipping · 30-day easy returns

Malictele front 4-way flat connector showing easy plug-in hookup benefit

Malictele

Malictele 4-Pin 5-Wire Trailer Wiring Harness 22ft Jacketed 16AWG Y-Style for Dual Taillights

$55.58

Free shipping · 30-day easy returns

MECMO front view of 4-way harness showing plug and cable for easy install

MECMO

MECMO 4-Way Trailer Wiring Harness 56083 for Toyota Highlander & Lexus RX — 4-Pin Flat, Plug-and-Play

$55.58

Free shipping · 30-day easy returns

Seamaka front 4-way flat connector showing secure plug benefit

Seamaka

Seamaka 50ft 5 Wire 4Pin Trailer Wiring Harness,Extended

$55.58

Free shipping · 30-day easy returns

WALSIO front plug showing 4-pin connection and easy installation benefit

WALSIO

WALSIO 4-Pin 5-Wire Trailer Wiring Harness 22ft Y-Style with 18 AWG Copper, Waterproof Cover

$53.68

Free shipping · 30-day easy returns

Oyviny front connector view showing secure 4-way plug and reliable contact

Oyviny

Oyviny Custom 4 Pin Trailer Wiring Harness 41125

$51.77

Free shipping · 30-day easy returns

Gonice front 4‑pin connector showing secure fit and reliable contact

Gonice

Gonice 25ft 4‑Pin Trailer Wiring Harness Kit — Black Nylon Sleeve, 5‑Wire Y‑Harness for Durable Weather‑Resistant Connections

$55.58

Free shipping · 30-day easy returns

Oyviny front connector showing plug shape and easy installation benefit

Oyviny

Oyviny 4 Way Flat Trailer Wiring Harness for Nissan

$52.54

Free shipping · 30-day easy returns

QWORK front packaging showing four cables and clip set for reliable towing safety

QWORK

QWORK Breakaway Trailer Cable

$50.78

Free shipping · 30-day easy returns

Deluwire front plug angle showing sturdy housing and secure connection benefit

Deluwire

Deluwire 7-Pin Trailer Plug Wiring Harness 4FT — Dual-Contact Pins, Kink-Resistant PVC

$57.11

Free shipping · 30-day easy returns

PlugSaf front 7-pin connector showing secure fit and easy connection

PlugSaf

PlugSaf 8FT 7-Way Trailer Plug Harness 7-Pin Heavy-Duty PVC Jacket, Color-Coded Wiring

$59.39

Free shipping · 30-day easy returns

CURT lift handle front view showing design and leverage benefit

CURT

CURT weight distribution hitch lift handle 17112 — stamped steel, powder-coated

$53.68

Free shipping · 30-day easy returns

CURT front view of plug and socket showing secure connection benefit

CURT

CURT 4-Pin Round Trailer Wiring Connector Kit - 58671 Die-Cast Metal, Weather-Resistant 4-Way

$53.68

Free shipping · 30-day easy returns

NeaLia front view mounted connector showing both sockets for fast switching

NeaLia

NeaLia 7 & 4 Pin Trailer Connector w/Bracket

$52.92

Free shipping · 30-day easy returns

Malictele front plug and Y connector showing quick hookup benefit

Malictele

Malictele 4 Pin 5 Wire Trailer Wiring Harness Kit

$57.28

Free shipping · 30-day easy returns

CURT 55415 front socket view showing clean connector and easy plug-in benefit

CURT

CURT 7-Way RV Blade Replacement Socket for USCAR Vehicles — Black Plastic, Spring-Loaded Dust Cover

$53.68

Free shipping · 30-day easy returns

MECMO front view of 4-pin flat extension showing full cable for easy towing

MECMO

MECMO 4-Pin Flat Trailer Extension Cable 9FT — Heavy-Duty 18AWG Copper, Weatherproof PU Jacket

$51.77

Free shipping · 30-day easy returns

Mavnai kit front packaging showing complete tow charge line components and easy install benefit

Mavnai

Mavnai Towed Vehicle Charge Line Kit 156-25 — 14‑Gauge 7' Red Harness with Thermal Circuit Breaker

$86.06

Free shipping · 30-day easy returns

CURT front socket view showing ergonomic grip for easy trailer connection and removal

CURT

CURT 4-Pin Trailer Wiring Harness for Chevrolet Equinox & GMC Terrain — Vehicle-Side Plug-and-Play, Dust-Covered 4-Flat

$85.98

Free shipping · 30-day easy returns

DICMIC front view of trailer wiring connector showing plug and housing for easy replacement

DICMIC

DICMIC Trailer Hitch Tow Wiring Connector Harness for Ford Transit 2015-2019 — Rear Bumper Plug-and-Play, OEM Fit

$84.15

Free shipping · 30-day easy returns

Wsays front connector and packaging showing ready-to-install harness

Wsays

Wsays Trailer Wiring Harness for Ram ProMaster 1500/2500/3500 (2014–2025) — 4‑Pin Flat Plug‑and‑Play with Dust Cover

$92.59

Free shipping · 30-day easy returns

Ducodden front view 4-pin connector showing tidy OE-style fit and easy hook-up

Ducodden

Ducodden 4-Pin Trailer Wiring Harness for 2018–2025 Jeep Wrangler JL/JLU & 2020–2025 Gladiator JT — Plug-and-Play, Weatherproof 4-

$89.87

Free shipping · 30-day easy returns

Oyviny front connector view showing plug and easy installation benefit

Oyviny

Oyviny 4-Pin Trailer Wiring Harness for Toyota Highlander & Lexus RX 2008-2021 — Plug-and-Play, Pure Copper

$82.25

Free shipping · 30-day easy returns

Oyviny front connector showing secure plug fit and reliable connection

Oyviny

Oyviny 4-Pin Trailer Wiring Harness for Toyota Tacoma 2005–2015 — Direct-Fit Plug-and-Play, Corrosion-Resistant

$93.68

Free shipping · 30-day easy returns