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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.

Misakomo front view with bracket showing easy plug-and-play installation benefit

Misakomo

Misakomo Trailer Wiring Harness 2002-2004 Ford F-250/F-350 — 4 & 7-Pin Plug-and-Play, Sealed

$87.96

Free shipping · 30-day easy returns

Malictele front 4-way plug showing solid connection benefit

Malictele

Malictele Trailer Wiring Harness 50ft 16AWG 4-Pin 5-Wire Y-Branch for Dual Taillights, Weatherproof

$82.25

Free shipping · 30-day easy returns

JURPLIX front view of dual-socket connector showing versatile towing ports

JURPLIX

JURPLIX 7 & 4-Pin Trailer Wiring Harness Connector — Dual-Socket Receptacle with Mounting Bracket

$76.54

Free shipping · 30-day easy returns

Gubrdfrsod junction box front view showing sealed housing and secure mount for weather protection

Gubrdfrsod

Gubrdfrsod 7-Pin Trailer Wiring Harness 6 ft – Waterproof 7-Gang Junction Box, Pure Copper Terminals

$78.44

Free shipping · 30-day easy returns

Gubrdfrsod front connector showing clear plug face and secure fit for reliable towing

Gubrdfrsod

Gubrdfrsod 7-Pin Trailer Wiring Harness 4 ft with 7-Gang Waterproof Junction Box, Pure Copper Terminals

$67.96

Free shipping · 30-day easy returns

CheeMuii double-prong 7-pin plug front view showing secure connection benefit

CheeMuii

CheeMuii 7-Way Trailer Wiring Harness Kit — 8 ft 7-Pin Cord with Sealed Junction Box, Color-Coded Terminals

$74.63

Free shipping · 30-day easy returns

MECMO front connector at hitch showing secure plug and easy use

MECMO

MECMO Trailer Wiring Harness 4‑Pin for Jeep Wrangler JK/JKU 2007–2018 — Plug‑and‑Play T‑Connector with Dust Cover

$74.63

Free shipping · 30-day easy returns

Nilight front view showing 7‑pin and 4‑pin sockets, offering versatile towing connections

Nilight

Nilight Dual‑Output 4‑Way Flat to 7‑Way RV Wiring Adapter — Weatherproof with Mounting Kit

$68.92

Free shipping · 30-day easy returns

CheeMuii front connector showing 7-pin face for secure power transfer

CheeMuii

CheeMuii 7-Way 15FT Trailer Wiring Harness — 7-Pin Weather-Resistant Cord with Color-Coded Wires

$84.15

Free shipping · 30-day easy returns

CheeMuii front packaging showing kit contents and durable harness benefit

CheeMuii

CheeMuii 7-Way Trailer Wiring Harness Kit — 8 ft Heavy-Duty Cable with Waterproof 7-Gang Junction Box and 12V Breakaway Switch

$84.15

Free shipping · 30-day easy returns

MECMO front view showing dual 7-way blade and 4-flat outputs for versatile towing

MECMO

MECMO Trailer Wiring Adapter — USCAR 7-Pin to 7-Way Blade + 4-Flat, Vehicle-Side Dual Output with Mounting Bracket

$70.82

Free shipping · 30-day easy returns

Oyviny

Oyviny 4-Way Trailer Wiring Harness 55540 for Chevy Express/GMC Savana (2003–2023) — Plug-in Weatherproof

$74.63

Free shipping · 30-day easy returns

MITZONE front plug and flange showing secure connection and easy mounting

MITZONE

MITZONE 7ft 7-Pin Trailer Wiring Extension Harness for Trucks — 7-Way RV Blade, Brass Contacts, Weather-Resistant

$71.96

Free shipping · 30-day easy returns

Tie Down front view of packaged hitch cable showing compact design and branding benefit

Tie Down

Tie Down 7,000 lb Hitch Safety Cable — Black Vinyl Coated Coiled 36in, 7x19 Aircraft Cable, NMMA Certified

$84.15

Free shipping · 30-day easy returns

WALSIO front plug overview showing durable connector and easy replacement benefit

WALSIO

WALSIO 32ft Trailer Wiring Harness 4-Pin 5-Wire Y-Split — 18 AWG Copper, Weatherproof

$74.63

Free shipping · 30-day easy returns

CheeMuii front packaging showing kit contents and reliable 7-way connectivity

CheeMuii

CheeMuii 7-Way Trailer Wiring Harness Kit 12FT with Weatherproof Junction Box and Double-Prong Plug

$82.25

Free shipping · 30-day easy returns

CheeMuii front view showing 7-pin plug and secure connection benefit

CheeMuii

CheeMuii 12ft 7-Way Trailer Wiring Harness Kit — 7-Pin Weatherproof Double-Prong Plug, Color-Coded Conductors

$74.63

Free shipping · 30-day easy returns

Jetuplusllc front view of 7-blade to 4-pin adapter showing plug face and easy connection

Jetuplusllc

Jetuplusllc Trailer Wiring Adapter 7-Way to 4-Pin with Mounting Bracket — ABS Housing, Brass Contacts

$74.65

Free shipping · 30-day easy returns

Nilight front view showing both 7-way and 4-way outputs with easy access benefit

Nilight

Nilight 7-Way USCAR to 7-Pin RV + 4-Pin Flat Trailer Adapter — Dual-Output Harness with Mounting Bracket

$70.82

Free shipping · 30-day easy returns

HiFind flat harness front view showing neat bonded conductors and tidy routing benefit

HiFind

HiFind 14AWG 6-Way 50 ft Trailer Wiring Harness — Bonded Flat 6-Conductor CCA, Weather-Resistant

$84.15

Free shipping · 30-day easy returns

DICMIC front view 7‑pin connector showing secure bedside mounting for easy hookup

DICMIC

DICMIC 7‑Pin Trailer Wiring Harness Extension 83-inch Truck-Bed Mount — Weather‑Resistant, Copper Conductors

$68.92

Free shipping · 30-day easy returns

YzusGomumu front view of 4-way harness showing plug and housing, ensuring correct fit

YzusGomumu

YzusGomumu 4-Way Trailer Wiring Harness for 2019–2024 Hyundai & Kia — OE-Style Fit, Plug-and-Play

$70.82

Free shipping · 30-day easy returns

CURT front view mounted on receiver showing secure connector placement

CURT

CURT Trailer Wiring Connector Mounting Bracket for 2" Receiver — Steel Powder-Coated, Fits 4/5-Flat & 6/7-Round

$72.65

Free shipping · 30-day easy returns

CURT 56196 front assembly showing compact converter and mounting benefit

CURT

CURT 2-to-3-Wire Trailer Tail Light Converter for Dinghy Towing — 56196, Splice-In with Color-Coded Leads

$74.63

Free shipping · 30-day easy returns

CURT front connector showing 4-way flat socket and mounting — durable connector benefit

CURT

CURT taillight converter 56130 — 3-to-2-wire SMT splice-in with 4-way flat and weather cover

$76.54

Free shipping · 30-day easy returns

HaHeHo front view of packaged harness showing kit and bracket benefits

HaHeHo

HaHeHo 7-Pin Trailer Wiring Harness with 4-Pin Flat — USCAR Plug, Plug-and-Play Bracket Kit for Ford GM Chevy Trucks

$76.54

Free shipping · 30-day easy returns

Dazakoot front view plug and socket set showing durable metal housings and easy fit

Dazakoot

Dazakoot 7-Way Round Trailer Plug & Socket Set — 2 Vehicle Plugs + 1 Socket, Zinc Die-Cast, SAE J560

$68.92

Free shipping · 30-day easy returns

MECMO front view 4‑pin flat plug showing secure connector and easy hookup

MECMO

MECMO 4-Way Trailer Wiring Harness 30ft — 4-Pin Flat Male, 18AWG Copper Jacketed

$70.82

Free shipping · 30-day easy returns

Oyviny front connector plug showing durable ABS housing and reliable fit

Oyviny

Oyviny 4-Pin Trailer Wiring Harness for 2007–2018 Jeep Wrangler JK/JKU — 16AWG Copper, Plug-and-Play

$74.63

Free shipping · 30-day easy returns

MOCW front-facing 7-pin socket showing neat bed access and easy hookup

MOCW

MOCW 7 ft 7-Pin Trailer Wiring Harness Extension for Truck Bed — 7-Way RV Blade, Plug-and-Play

$66.44

Free shipping · 30-day easy returns

ARIMDOTUL front connector and full harness showing plug benefit: easy vehicle hookup

ARIMDOTUL

ARIMDOTUL 35FT Trailer Wiring Harness 4-Way Flat 5-Wire Y-Split, 16AWG Jacketed for Left/Right Taillights

$82.25

Free shipping · 30-day easy returns

Oyviny front connector showing dual outputs and clean mounting

Oyviny

Oyviny Multi-Tow Adapter — USCAR 7-Pin to 7-Way Blade & 4-Way Flat, Dual-Output, Plug-and-Play

$70.82

Free shipping · 30-day easy returns

Gledewen front connector mounted showing secure fit and plug-and-play benefit

Gledewen

Gledewen 7-Pin Trailer Wiring Harness, 7ft Bed Extension — 7-Way RV Socket, No-Splice Install (1997–2021 Trucks)

$70.63

Free shipping · 30-day easy returns

VASTAUTO front view of 7-pin harness showing mounting socket for easy hookup

VASTAUTO

VASTAUTO 7-Foot 7-Pin Trailer Wiring Harness Extension – 7-Way RV Socket, OEM-Grade Plug-and-Play

$67.01

Free shipping · 30-day easy returns

MECMO front view of harness showing plug and connector for fast install

MECMO

MECMO 4-Pin Trailer Wiring Harness for Honda CR-V (2017–2026) — 4-Way Flat T-Connector, Plug-and-Play

$76.54

Free shipping · 30-day easy returns

MECMO front module showing connector and labels for quick identification and installation

MECMO

MECMO 3-to-2 Wire Trailer Tail Light Converter 56236 — LED-Compatible, Powered 4-Way Flat Splice-In

$72.73

Free shipping · 30-day easy returns

MECMO front connector showing vehicle-side plug and secure fit benefit

MECMO

MECMO 4-Pin Trailer Wiring Harness for 2007–2011 Honda CR-V — Plug-and-Play OEM-Style 4-Way Flat with Dust Cover

$68.92

Free shipping · 30-day easy returns

MECMO front face connector showing both 7-way and 4-way outputs for versatility

MECMO

MECMO Trailer Wiring Adapter 42145 — 7-Way Blade to 4-Way Flat, Weatherproof Plug-and-Play

$72.73

Free shipping · 30-day easy returns

REDALAN front 7-way connector showing secure locking for reliable towing

REDALAN

REDALAN 7‑Pin to 6‑Pin Trailer Adapter Cable, Coiled PVC Cord with Mounting Bracket for RVs & Trailers

$83.58

Free shipping · 30-day easy returns

Goopool front connector and socket showing clean fit and reliable connection

Goopool

Goopool 7-Pin Trailer Wiring Harness for 1999-2001 Ford F-250/F-350/F-450/F-550 — Direct-Fit OEM Replacement, Plug-and-Play

$66.25

Free shipping · 30-day easy returns