Trailer Wiring Harnesses

Trailer wiring harnesses are essential components for connecting your trailer lights and brakes to your vehicle. These harnesses ensure a secure and reliable connection, allowing you to safely tow your trailer without any issues. At our online store, we offer a wide selection of trailer wiring harnesses to suit your specific needs. Whether you are looking for a simple four-pin harness or a more complex seven-pin harness with additional features, we have you covered. Our high-quality harnesses are made from durable materials to withstand harsh weather conditions and frequent use. Shop now and ensure your trailer is properly equipped for your next towing adventure.
MICTUNING 8ft Trailer Cord 7 Way Plug Inline Junction Box Wiring Harness Kit
MICTUNING 8ft Trailer Cord 7 Way Plug Inline Junction Box Wiring Harness Kit on E-Bay starting at $35.72

Free Worldwide Shipping

Expedited: No

Next Day: No

mictuning2011

Rating: 99.2%

25' 4 Way Trailer Wiring Connection Kit Flat Wire Extension Harness+caps
25' 4 Way Trailer Wiring Connection Kit Flat Wire Extension Harness+caps on E-Bay starting at $1,017.99

Free Worldwide Shipping

Expedited: No

Next Day: No

PREMIUM TOOLS

Rating: 99.0%

25' 4 Pin Flat Trailer Tail Light Wiring Harness Kit Wishbone Style Extension
25' 4 Pin Flat Trailer Tail Light Wiring Harness Kit Wishbone Style Extension on E-Bay starting at $15.99

Free Flat Rate Domestic Shipping

Calculated International Shipping

Expedited: No

Next Day: No

TRUE MODS

Rating: 99.7%

Trailer Light Cable Wiring 7 Wire 6-12 & 1-10 Gauge Jacketed Black -50 Feet
Trailer Light Cable Wiring 7 Wire 6-12 & 1-10 Gauge Jacketed Black -50 Feet on E-Bay starting at $208.50

Free Worldwide Shipping

Expedited: No

Next Day: No

The Trailer Shoppe

Rating: 99.8%

14 Gauge 7 Way Conductor Wire RV Trailer COPPER Cable Camper Harness Plug 14/7
14 Gauge 7 Way Conductor Wire RV Trailer COPPER Cable Camper Harness Plug 14/7 on E-Bay starting at $1.14

Free Flat Rate Shipping

Expedited: No

Next Day: No

AC/DC Wire And Supply

Rating: 99.7%

25' 4 Pin Flat Trailer Wiring Harness Kit Wishbone Style for Trailer Tail Lights
25' 4 Pin Flat Trailer Wiring Harness Kit Wishbone Style for Trailer Tail Lights on E-Bay starting at $360.36

Free Worldwide Shipping

Expedited: No

Next Day: No

etoolstar

Rating: 99.8%

Trailer Light Cable 14-2 Wiring Harness 14 Gauge 2 Wire Jacketed Gray 100' Roll
Trailer Light Cable 14-2 Wiring Harness 14 Gauge 2 Wire Jacketed Gray 100' Roll on E-Bay starting at $70.95

Free Worldwide Shipping

Expedited: No

Next Day: No

The Trailer Shoppe

Rating: 99.8%

MICTUNING 8 ft Trailer Cord 7 Way Plug Inline Junction Box 7-Pole Wiring Harness
MICTUNING 8 ft Trailer Cord 7 Way Plug Inline Junction Box 7-Pole Wiring Harness on E-Bay starting at $32.39

Free Worldwide Shipping

Expedited: No

Next Day: No

MICTUNING OFFICIAL (autoledhid)

Rating: 99.4%

New 25' Wishbone Style Trailer Wiring Harness with 4-Flat Connector w/loom
New 25' Wishbone Style Trailer Wiring Harness with 4-Flat Connector w/loom on E-Bay starting at $14.24

Free Worldwide Shipping

Expedited: No

Next Day: No

HITCH2TRAILER

Rating: 99.9%

ABN 7 Pin Trailer Wiring Harness 4ft ROJ Plug Trailer Cord and Junction Box
ABN 7 Pin Trailer Wiring Harness 4ft ROJ Plug Trailer Cord and Junction Box on E-Bay starting at $21.99

Free Flat Rate Domestic Shipping

Calculated International Shipping

Expedited: No

Next Day: No

Marketplace Pros

Rating: 99.4%

Trailer Light Cable Wiring Harness 14 Gauge 4 Wire Jacketed Black Flexible 100'
Trailer Light Cable Wiring Harness 14 Gauge 4 Wire Jacketed Black Flexible 100' on E-Bay starting at $85.99

Free Flat Rate Domestic Shipping

Calculated International Shipping

Expedited: No

Next Day: No

truckandtrailerparts

Rating: 100.0%

Trailer Light Cable Wiring Harness 14-7 14 Gauge 7 Wire Jacketed Black -10 Feet
Trailer Light Cable Wiring Harness 14-7 14 Gauge 7 Wire Jacketed Black -10 Feet on E-Bay starting at $32.75

Free Worldwide Shipping

Expedited: No

Next Day: No

The Trailer Shoppe

Rating: 99.8%

7 Way Trailer Plug Wire Connector Inline Cord 7 Pin Inline Harness Kit RV Blade
7 Way Trailer Plug Wire Connector Inline Cord 7 Pin Inline Harness Kit RV Blade on E-Bay starting at $245.00

Free Worldwide Shipping

Expedited: No

Next Day: No

GlobalSuppliesUSA

Rating: 98.9%

6 Gang Switch Panel Circuit Control Box For Front Bumper LED Driving Fog Lamps
6 Gang Switch Panel Circuit Control Box For Front Bumper LED Driving Fog Lamps on E-Bay starting at $75.99

Free Worldwide Shipping

Expedited: No

Next Day: No

Buymoremoreshop

Rating: 98.5%

8ft 7 Way Trailer Cord Plug Wire Harness - Inline 7 Gang Electrical Junction Box
8ft 7 Way Trailer Cord Plug Wire Harness - Inline 7 Gang Electrical Junction Box on E-Bay starting at $39.99

Free Flat Rate Domestic Shipping

Calculated International Shipping

Expedited: No

Next Day: No

TRUE MODS

Rating: 99.7%

2009-2014 Ford F-150 Trailer Tow Hitch Bar Wire Harness OEM NEW 9L3Z15A416A
2009-2014 Ford F-150 Trailer Tow Hitch Bar Wire Harness OEM NEW 9L3Z15A416A on E-Bay starting at $94.31

Free Worldwide Shipping

Expedited: No

Next Day: No

QUIRK PARTS

Rating: 98.7%

2014-2018 Chevrolet Silverado GMC Sierra Trailer Tow Mirror Wiring Harnesses new
2014-2018 Chevrolet Silverado GMC Sierra Trailer Tow Mirror Wiring Harnesses new on E-Bay starting at $232.50

Shipping Calculated by Location

Expedited: No

Next Day: No

Big 3 OEM Auto Parts

Rating: 99.7%

8Foot 7Way Trailer Cord Wire Harness Cord Molded RV Cable w/Conjunction Wire Box
8Foot 7Way Trailer Cord Wire Harness Cord Molded RV Cable w/Conjunction Wire Box on E-Bay starting at $34.99

Free Worldwide Shipping

Expedited: No

Next Day: No

rvoutlet

Rating: 99.2%

Trailer Light Cable 14-4 Wiring 14 Gauge 4 Wire Jacketed Black Flexible -25 Feet
Trailer Light Cable 14-4 Wiring 14 Gauge 4 Wire Jacketed Black Flexible -25 Feet on E-Bay starting at $56.25

Free Worldwide Shipping

Expedited: No

Next Day: No

The Trailer Shoppe

Rating: 99.8%

17 thru 25 Super Duty OEM Ford In Bed 5th Trailer Wiring Harness HC3Z-15A416-A
17 thru 25 Super Duty OEM Ford In Bed 5th Trailer Wiring Harness HC3Z-15A416-A on E-Bay starting at $119.95

Free Worldwide Shipping

Expedited: No

Next Day: No

Fairway Ford Parts

Rating: 99.7%

Alla Lighting H13 9008 H13LL Socket Female Adapter Wiring Harness Pigtail Plug
Alla Lighting H13 9008 H13LL Socket Female Adapter Wiring Harness Pigtail Plug on E-Bay starting at $9.98

Free Worldwide Shipping

Expedited: No

Next Day: No

Alla Lighting Auto LED Light Bulbs

Rating: 98.6%

02 thru 04 F-250 F-350 Super Duty Ford 4 & 7 Pin Trailer Tow Wiring Harness Plug
02 thru 04 F-250 F-350 Super Duty Ford 4 & 7 Pin Trailer Tow Wiring Harness Plug on E-Bay starting at $176.49

Free Worldwide Shipping

Expedited: No

Next Day: No

Fairway Ford Parts

Rating: 99.7%

99 thru 01 F250 F350 Super Duty Ford 4 & 7 Pin Trailer Tow Wiring Harness Plug
99 thru 01 F250 F350 Super Duty Ford 4 & 7 Pin Trailer Tow Wiring Harness Plug on E-Bay starting at $209.95

Free Worldwide Shipping

Expedited: No

Next Day: No

Fairway Ford Parts

Rating: 99.7%

Trailer Light Cable 14-6 Wiring 14 Gauge 6 Wire Jacketed Black Flexible -10 Feet
Trailer Light Cable 14-6 Wiring 14 Gauge 6 Wire Jacketed Black Flexible -10 Feet on E-Bay starting at $29.50

Free Worldwide Shipping

Expedited: No

Next Day: No

The Trailer Shoppe

Rating: 99.8%

Nilight 7 Way Trailer Plug with Junction Box Connector Cable Wiring Harness Kit
Nilight 7 Way Trailer Plug with Junction Box Connector Cable Wiring Harness Kit on E-Bay starting at $45.99

Free Worldwide Shipping

Expedited: No

Next Day: No

nilightshop

Rating: 97.8%

2002 - 04 Ford F-250 F-350 Super Duty Trailer Tow Wiring Harness 4 & 7 Pin Plug
2002 - 04 Ford F-250 F-350 Super Duty Trailer Tow Wiring Harness 4 & 7 Pin Plug on E-Bay starting at $176.99

Free Worldwide Shipping

Expedited: Yes

Next Day: No

rodbakerfordparts

Rating: 99.7%

15 Foot 7 Way Trailer Cord Wire Harness Light Plug Connector Molded RV Cable
15 Foot 7 Way Trailer Cord Wire Harness Light Plug Connector Molded RV Cable on E-Bay starting at $39.99

Free Worldwide Shipping

Expedited: No

Next Day: No

rvoutlet

Rating: 99.2%

2ft Trailer Light Wiring Harness Extension 4-Pin Plug 18 AWG Flat Wire Connector
2ft Trailer Light Wiring Harness Extension 4-Pin Plug 18 AWG Flat Wire Connector on E-Bay starting at $10.99

Free Worldwide Shipping

Expedited: No

Next Day: No

225FWY

Rating: 99.2%

 7ft 8ft 10ft Trailer Cord 7 Way Plug Inline Junction Box Wiring Harness Kit
7ft 8ft 10ft Trailer Cord 7 Way Plug Inline Junction Box Wiring Harness Kit on E-Bay starting at $33.69

Free Worldwide Shipping

Expedited: No

Next Day: No

brightfai1990

Rating: 99.5%

4-Way Flat Y-Splitter Dual Plug Adapter For LED Tailgate Light Bar or Trailer
4-Way Flat Y-Splitter Dual Plug Adapter For LED Tailgate Light Bar or Trailer on E-Bay starting at $9.79

Free Worldwide Shipping

Expedited: No

Next Day: No

MotoringMax Automotive Lighting

Rating: 98.6%

Trailer Wire Light Cable for Harness 7 Way Cord 16 Gauge - 100ft roll - 7 Rolls
Trailer Wire Light Cable for Harness 7 Way Cord 16 Gauge - 100ft roll - 7 Rolls on E-Bay starting at $39.99

Free Worldwide Shipping

Expedited: No

Next Day: No

BestConnections

Rating: 99.2%

6Foot 7Way Trailer Cord Wire Harness Cord Molded RV Cable w/Conjunction Wire Box
6Foot 7Way Trailer Cord Wire Harness Cord Molded RV Cable w/Conjunction Wire Box on E-Bay starting at $28.99

Free Worldwide Shipping

Expedited: No

Next Day: No

rvoutlet

Rating: 99.2%

7 Way RV-Style Trailer Connector Socket with Wiring Harness and Mounting Bracket
7 Way RV-Style Trailer Connector Socket with Wiring Harness and Mounting Bracket on E-Bay starting at $18.99

Free Worldwide Shipping

Expedited: No

Next Day: No

carrofix-auto

Rating: 99.6%

6 Gang 12V Switch Panel LED Light Bar Circuit Control Box For Boat Marine Car RV
6 Gang 12V Switch Panel LED Light Bar Circuit Control Box For Boat Marine Car RV on E-Bay starting at $74.77

Free Worldwide Shipping

Expedited: No

Next Day: No

Buymoremoreshop

Rating: 98.5%

Primary Trailer Light Cable Wiring 16-4 16 Gauge 4 Wire Bonded Parallel 100 Feet
Primary Trailer Light Cable Wiring 16-4 16 Gauge 4 Wire Bonded Parallel 100 Feet on E-Bay starting at $80.95

Free Worldwide Shipping

Expedited: No

Next Day: No

The Trailer Shoppe

Rating: 99.8%

25ft 4 Way Trailer Wiring Connection Kit Flat Wire Extension Harness Boat Car RV
25ft 4 Way Trailer Wiring Connection Kit Flat Wire Extension Harness Boat Car RV on E-Bay starting at $14.99

Free Worldwide Shipping

Expedited: No

Next Day: No

BP Tools and Sales

Rating: 99.2%

Trailer Wire Harness 25' 4- Way Trailer flat Plug Camper boat Utility cargo
Trailer Wire Harness 25' 4- Way Trailer flat Plug Camper boat Utility cargo on E-Bay starting at $14.24

Free Worldwide Shipping

Expedited: No

Next Day: No

HITCH2TRAILER

Rating: 99.9%

2007-2014 TOYOTA FJ CRUISER TRAILER TOW HITCH WIRE HARNESS GENUINE 08921-35870
2007-2014 TOYOTA FJ CRUISER TRAILER TOW HITCH WIRE HARNESS GENUINE 08921-35870 on E-Bay starting at $106.90

Free Worldwide Shipping

Expedited: No

Next Day: No

Trailer Light Cable 16-4 Wiring Harness 16 Gauge 4 Wire Bonded Parallel -25 Feet
Trailer Light Cable 16-4 Wiring Harness 16 Gauge 4 Wire Bonded Parallel -25 Feet on E-Bay starting at $31.50

Free Worldwide Shipping

Expedited: No

Next Day: No

The Trailer Shoppe

Rating: 99.8%

2005-2015 TACOMA TRAILER TOW HITCH WIRE HARNESS 7-PIN 82169-04010 GENUINE TOYOTA
2005-2015 TACOMA TRAILER TOW HITCH WIRE HARNESS 7-PIN 82169-04010 GENUINE TOYOTA on E-Bay starting at $238.16

Shipping Calculated by Location

Expedited: Yes

Next Day: No

Manhattan Beach Toyota

Rating: 99.4%

Trailer Light Brake Cable 14-2 Wiring 14 Gauge 2 Wire Jacketed Gray -25 Feet
Trailer Light Brake Cable 14-2 Wiring 14 Gauge 2 Wire Jacketed Gray -25 Feet on E-Bay starting at $31.50

Free Worldwide Shipping

Expedited: No

Next Day: No

The Trailer Shoppe

Rating: 99.8%

OEM NEW Trailer Tow Hitch 7 Pin Connector Wiring Harness Wire 05-08 Ford F-150
OEM NEW Trailer Tow Hitch 7 Pin Connector Wiring Harness Wire 05-08 Ford F-150 on E-Bay starting at $82.89

Free Worldwide Shipping

Expedited: No

Next Day: No

QUIRK PARTS

Rating: 98.7%

Trailer Tow Hitch For 11-19 Ford Explorer w/ Wiring Harness Kit Plug & Play NEW
Trailer Tow Hitch For 11-19 Ford Explorer w/ Wiring Harness Kit Plug & Play NEW on E-Bay starting at $222.08

Free Worldwide Shipping

Expedited: No

Next Day: No

Discount Hitch Central

Rating: 99.6%

$NA$ Rear Led Submersible Trailer Tail Lights Kit Waterproof / 25' wire harness
$NA$ Rear Led Submersible Trailer Tail Lights Kit Waterproof / 25' wire harness on E-Bay starting at $545.79

Free Worldwide Shipping

Expedited: No

Next Day: No

etoolstar

Rating: 99.8%

Trailer Wiring Harness For 88-00 Chevy C/K 1500 2500 3500, Except 88-91 Crew Cab
Trailer Wiring Harness For 88-00 Chevy C/K 1500 2500 3500, Except 88-91 Crew Cab on E-Bay starting at $31.10

Free Worldwide Shipping

Expedited: No

Next Day: No

Discount Hitch Central

Rating: 99.6%

8' Trailer Connector Plug Cord Wiring Harness pig tail pin blade Camper RV 7 Way
8' Trailer Connector Plug Cord Wiring Harness pig tail pin blade Camper RV 7 Way on E-Bay starting at $9.99

Shipping Calculated by Location

Expedited: No

Next Day: No

Boise Boat Works

Rating: 98.3%

Alla Lighting 9006 Socket Female Adapter Wiring Harness Pigtail Plug Connector
Alla Lighting 9006 Socket Female Adapter Wiring Harness Pigtail Plug Connector on E-Bay starting at $9.99

Free Worldwide Shipping

Expedited: No

Next Day: No

Alla Lighting Auto LED Light Bulbs

Rating: 98.6%

4PC Trailer Light 4-Pin Plug Flat Wire Connector 18 AWG Extension Wiring Harness
4PC Trailer Light 4-Pin Plug Flat Wire Connector 18 AWG Extension Wiring Harness on E-Bay starting at $28.99

Free Worldwide Shipping

Expedited: No

Next Day: No

alita6688

Rating: 98.0%

25' 4 Pin Flat Trailer Wiring Harness Kit Wishbone Style for Trailer Tail Lights
25' 4 Pin Flat Trailer Wiring Harness Kit Wishbone Style for Trailer Tail Lights on E-Bay starting at $1,017.99

Free Worldwide Shipping

Expedited: No

Next Day: No

Save A Lot of Tools

Rating: 99.1%

8ft  7 Way Trailer Plug Weatherproof Trailer Wiring Harness
8ft 7 Way Trailer Plug Weatherproof Trailer Wiring Harness on E-Bay starting at $29.99

Free Worldwide Shipping

Expedited: No

Next Day: No

manjokepro

Rating: 99.1%


Affiliate Disclosure: As an Amazon Associate, I earn from qualifying purchases.