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T-One Vehicle Wiring Harness with Upgraded Circuit Protected ModuLite HD Module - 4-Way Flat

Retail: $68.39
Our Price: $41.44
In Stock
Quickly and easily install a 4-way trailer connector on your vehicle with this custom harness. T-One connector plugs directly into existing wiring - no cutting, splicing or tapping required. Powered ...
compatible with the wiring system of your trailer. This power module functions as a tail light converter to combine the brake and turn signal functions of your automobile so that they run on one wire to
  • 4 Flat
  • Trailer Hitch Wiring
  • No Tow Package
  • Vehicle End Connector
  • Plug-In
  • Tekonsha
  • Powered Converter
  • Hidden

ZCI Circuit Protected Vehicle Wiring Harness w/ 4-Pole Flat Trailer Connector and Installation Kit

Our Price: $176.98
In Stock
Install a 4-way trailer connector on your vehicle without cutting or splicing into your wiring. Zero-contact interface sensors identify the current flowing through each wire by simply clamping onto ...
module that connects directly to car battery for power Power wire, fuse holder, and 15-amp fuse included for installation Works with 2-wire, 3-wire, PWM , and multiplex wiring systems Constructed using
  • 4 Flat
  • Trailer Hitch Wiring
  • Universal Fit
  • Vehicle End Connector
  • Plug-In
  • Tekonsha
  • Converter
  • Hidden

ZCI Circuit Protected Vehicle Wiring Harness w/ 4-Pole Flat Trailer Connector and Installation Kit

Retail: $276.00
Our Price: $167.19
In Stock
Install a 4-way trailer connector on your vehicle without cutting or splicing into your wiring. Zero-contact interface sensors identify the current flowing through each wire by simply clamping onto ...
module that connects directly to car battery for power Power wire, fuse holder, and 15-amp fuse included for installation Works with 2-wire, 3-wire, PWM , and multiplex wiring systems Constructed using
  • 4 Flat
  • Trailer Hitch Wiring
  • Universal Fit
  • Vehicle End Connector
  • Plug-In
  • Tekonsha
  • Powered Converter
  • Hidden

T-One Vehicle Wiring Harness with 4-Pole Flat Trailer Connector

Retail: $112.03
Our Price: $61.26
In Stock
Quickly and easily install a 4-way trailer connector on your vehicle with this custom wiring harness. T-One connector plugs directly into existing wiring. Powered ModuLite reduces strain on wiring ...
quickly and easily Locate connection points behind tail lights Plug in T-connector Includes ModuLite power module to ensure that your vehicle's wiring matches that of your trailer Powered module
  • 4 Flat
  • Trailer Hitch Wiring
  • No Tow Package
  • Vehicle End Connector
  • Plug-In
  • Tekonsha
  • Powered Converter
  • Visible

T-One Connector Assembly w/Upgraded Circuit Protected ModuLite HD Module

Retail: $116.98
Our Price: $60.12
In Stock
Quickly and easily install a 4-way trailer connector on your vehicle with this custom wiring harness. T-One connector plugs directly into existing wiring. Powered ModuLite reduces strain on wiring ...
brake and turn signals from your vehicle's three-wire system need to be combined so they are compatible with the wiring system of your trailer. This power module functions as a tail light converter to
  • 4 Flat
  • Trailer Hitch Wiring
  • No Tow Package
  • Vehicle End Connector
  • Plug-In
  • Tekonsha
  • Powered Converter
  • Hidden

T-One Vehicle Wiring Harness with 4-Pole Flat Trailer Connector

Retail: $68.39
Our Price: $49.94
In Stock
Quickly and easily install a 4-way trailer connector on your vehicle with this custom wiring harness. T-One connector plugs directly into existing wiring - no cutting, splicing or tapping required ...
quickly and easily - no cutting or splicing of wires Tow harness with 4-way connector plugs into port behind rear bumper ModuLite connects in rear cargo area Includes ModuLite power module that connects
  • 4 Flat
  • Trailer Hitch Wiring
  • No Tow Package
  • Vehicle End Connector
  • Plug-In
  • Tekonsha
  • Powered Converter

New Arrivals — From Our Shop to You!

Chosen by folks who live and breathe this, just like you.

New Arrivals — From Our Shop to You!

Chosen by folks who live and breathe this, just like you.

Kristin
Kristin etrailer team member
Kristin etrailer team member

15

Years

|

589

Installations

15,864

Customers Helped

Any questions? Chat us from Missouri

Universal Wiring Harness w/ ModuLite and Brake Controller Harness - 7-Way Trailer Connector

Retail: $286.67
Our Price: $175.06
In Stock
Install this splice-in 7-way, RV-style trailer connector on your vehicle with a multiplex or PWM wiring system. ModuLite draws power directly from the battery to avoid overloading your vehicle's ...
) Splices into vehicle wiring Run body harness up to car battery Included ModuLite ensures that your vehicle's wiring matches that of your trailer Powered module connects directly to battery to avoid
  • 7 Blade
  • Trailer Hitch Wiring
  • Universal Fit
  • Vehicle End Connector
  • Splice-In
  • Tekonsha
  • Powered Converter

T-One Vehicle Wiring Harness with 4-Pole Flat Trailer Connector

Retail: $72.68
Our Price: $53.52
In Stock
Quickly and easily install a 4-way trailer connector on your vehicle with this custom wiring harness. T-One connector plugs directly into existing wiring - no cutting, splicing or tapping required ...
quickly and easily - no cutting or splicing of wires Includes ModuLite to ensure that your vehicle's wiring matches that of your trailer Powered module connects directly to battery to avoid overloading
  • 4 Flat
  • Trailer Hitch Wiring
  • No Tow Package
  • Vehicle End Connector
  • Plug-In
  • Tekonsha
  • Powered Converter
  • Hidden

Tekonsha OEM Replacement Vehicle Wiring Harness w Brake Controller Adapter - 7 Way Trailer Connector

Retail: $316.23
Our Price: $233.43
In Stock
Replace the 7-way, RV-style trailer connector on your vehicle with this T-One harness. ModuLite reduces strain on wiring system. Brake controller adapter attaches to included body harness and lets ...
Includes ModuLite to ensure that your vehicle's wiring matches that of your trailer Powered module connects directly to battery to avoid overloading vehicle's electrical system Wiring adapter eases
  • 7 Blade
  • Trailer Hitch Wiring
  • No Tow Package
  • Vehicle End Connector
  • Splice-In
  • Tekonsha
  • Powered Converter
  • Visible

Tekonsha OEM Replacement Vehicle Wiring Harness w Brake Controller Adapter - 7 Way Trailer Connector

Retail: $279.71
Our Price: $166.79
In Stock
Replace the 7-way, RV-style trailer connector on your vehicle with this T-One harness. ModuLite reduces strain on wiring system. Brake controller adapter attaches to included body harness and lets ...
Includes ModuLite to ensure that your vehicle's wiring matches that of your trailer Powered module connects directly to battery to avoid overloading vehicle's electrical system Wiring adapter eases
  • 7 Blade
  • Trailer Hitch Wiring
  • No Tow Package
  • Vehicle End Connector
  • Plug-In
  • Tekonsha
  • Powered Converter
  • Hidden

T-One Vehicle Wiring Harness with 4-Pole Flat Trailer Connector

Retail: $86.53
Our Price: $64.14
Quickly and easily install a 4-way trailer connector on your vehicle with this custom wiring harness. T-One connector plugs directly into existing wiring - no cutting, splicing or tapping required ...
vehicle's wiring matches that of your trailer Powered module connects directly to battery to avoid overloading vehicle's electrical system Constructed of 16-gauge bonded wire Comes with dust cap for 4-way
  • 4 Flat
  • Trailer Hitch Wiring
  • No Tow Package
  • Vehicle End Connector
  • Plug-In
  • Tekonsha
  • Powered Converter
  • Hidden

T-One Vehicle Wiring Harness with 4-Pole Flat Trailer Connector

Retail: $105.80
Our Price: $62.22
Quickly and easily install a 4-way trailer connector on your vehicle with this custom wiring harness. T-One connector plugs directly into existing wiring - no cutting, splicing or tapping required ...
they are compatible with the wiring system of your trailer. This power module functions as a tail light converter to combine the brake and turn signal functions of your automobile so that they run on one
  • 4 Flat
  • Trailer Hitch Wiring
  • No Tow Package
  • Vehicle End Connector
  • Plug-In
  • Tekonsha
  • Powered Converter
  • Hidden

T-One Vehicle Wiring Harness with 4-Pole Flat Trailer Connector

Retail: $105.98
Our Price: $54.05
Quickly and easily install a 4-way trailer connector on your vehicle with this custom wiring harness. T-One connector plugs directly into existing wiring - no cutting, splicing or tapping required ...
from your vehicle's three-wire system need to be combined so they are compatible with the wiring system of your trailer. This power module functions as a tail light converter to combine the brake and
  • 4 Flat
  • Trailer Hitch Wiring
  • No Tow Package
  • Vehicle End Connector
  • Plug-In
  • Tekonsha
  • Powered Converter
  • Visible

T-One Vehicle Wiring Harness with 4-Pole Flat Trailer Connector

Retail: $99.60
Our Price: $58.15
Quickly and easily install a 4-way trailer connector on your vehicle with this custom wiring harness. T-One connector plugs directly into existing wiring - no cutting, splicing or tapping required ...
from your vehicle's three-wire system need to be combined so they are compatible with the wiring system of your trailer. This power module functions as a tail light converter to combine the brake and
  • 4 Flat
  • Trailer Hitch Wiring
  • No Tow Package
  • Vehicle End Connector
  • Plug-In
  • Tekonsha
  • Powered Converter
  • Visible

T-One Vehicle Wiring Harness with 4-Pole Flat Trailer Connector

Retail: $87.11
Our Price: $56.84
Quickly and easily install a 4-way trailer connector on your vehicle with this custom wiring harness. T-One connector plugs directly into existing wiring - no cutting, splicing or tapping required ...
vehicle's wiring matches that of your trailer Powered module connects directly to battery to avoid overloading vehicle's electrical system Constructed of 16-gauge bonded wire Comes with dust cap for 4-way
  • 4 Flat
  • Trailer Hitch Wiring
  • No Tow Package
  • Vehicle End Connector
  • Plug-In
  • Tekonsha
  • Powered Converter
  • Hidden

T-One Vehicle Wiring Harness with 4-Pole Flat Trailer Connector

Retail: $99.60
Our Price: $61.97
Quickly and easily install a 4-way trailer connector on your vehicle with this custom wiring harness. T-One connector plugs directly into existing wiring - no cutting, splicing or tapping required ...
your vehicle's wiring matches that of your trailer Powered module connects directly to battery to avoid overloading vehicle's electrical system Supplies required relays to activate functions
  • 4 Flat
  • Trailer Hitch Wiring
  • No Tow Package
  • Vehicle End Connector
  • Plug-In
  • Tekonsha
  • Powered Converter
  • Visible

T-One Vehicle Wiring Harness with 4-Pole Flat Trailer Connector

Retail: $75.58
Our Price: $42.34
Quickly and easily install a 4-way trailer connector on your vehicle with this custom wiring harness. T-One connector plugs directly into existing wiring - no cutting, splicing or tapping required ...
separate brake and turn signals from your vehicle's three-wire system need to be combined so they are compatible with the wiring system of your trailer. This power module functions as a tail light
  • 4 Flat
  • Trailer Hitch Wiring
  • No Tow Package
  • Vehicle End Connector
  • Plug-In
  • Tekonsha
  • Powered Converter
  • Hidden

T-One Vehicle Wiring Harness with 4-Pole Flat Trailer Connector

Retail: $160.99
Our Price: $111.47
In Stock
Quickly and easily install a 4-way trailer connector on your vehicle with this custom wiring harness. T-One connector plugs directly into existing wiring. Powered ModuLite reduces strain on wiring ...
be combined so they are compatible with the wiring system of your trailer. This power module functions as a tail light converter to combine the brake and turn signal functions of your automobile so
  • 4 Flat
  • Trailer Hitch Wiring
  • No Tow Package
  • Vehicle End Connector
  • Plug-In
  • Tekonsha
  • Powered Converter
  • Hidden

T-One Vehicle Wiring Harness with 4-Pole Flat Trailer Connector

Retail: $87.11
Our Price: $60.52
In Stock
Quickly and easily install a 4-way trailer connector on your vehicle with this custom wiring harness. T-One connector plugs directly into existing wiring. Powered ModuLite reduces strain on wiring ...
the separate brake and turn signals from your vehicle's three-wire system need to be combined so they are compatible with the wiring system of your trailer. This power module functions as a tail
  • 4 Flat
  • Trailer Hitch Wiring
  • No Tow Package
  • Vehicle End Connector
  • Plug-In
  • Tekonsha
  • Powered Converter
  • Hidden

T-One Vehicle Wiring Harness with 4-Pole Flat Trailer Connector

Retail: $108.98
Our Price: $56.36
In Stock
Quickly and easily install a 4-way trailer connector on your vehicle with this custom wiring harness. T-One connector plugs directly into existing wiring. Powered ModuLite reduces strain on wiring ...
vehicle's three-wire system need to be combined so they are compatible with the wiring system of your trailer. This power module functions as a tail light converter to combine the brake and turn signal
  • 4 Flat
  • Trailer Hitch Wiring
  • No Tow Package
  • Vehicle End Connector
  • Plug-In
  • Tekonsha
  • Powered Converter
  • Hidden

T-One Vehicle Wiring Harness with 4-Pole Flat Trailer Connector

Retail: $119.98
Our Price: $75.68
In Stock
Quickly and easily install a 4-way trailer connector on your vehicle with this custom wiring harness. T-One connector plugs directly into existing wiring. Powered ModuLite reduces strain on wiring ...
module draws power directly from your car's battery and bypasses the electrical routes that are used by a basic wiring harness, there is virtually no draw on your tail light circuits.
  • 4 Flat
  • Trailer Hitch Wiring
  • No Tow Package
  • Vehicle End Connector
  • Plug-In
  • Tekonsha
  • Powered Converter
  • Hidden

T-One Vehicle Wiring Harness with 4-Pole Flat Trailer Connector

Retail: $118.10
Our Price: $70.29
In Stock
Quickly and easily install a 4-way trailer connector on your vehicle with this custom wiring harness. T-One connector plugs directly into existing wiring. Powered ModuLite reduces strain on wiring ...
module draws power directly from your car's battery and bypasses the electrical routes that are used by a basic wiring harness, there is virtually no draw on your tail light circuits.
  • 4 Flat
  • Trailer Hitch Wiring
  • No Tow Package
  • Vehicle End Connector
  • Plug-In
  • Tekonsha
  • Powered Converter
  • Hidden

T-One Vehicle Wiring Harness for Factory Tow Package - 4-Pole Flat Trailer Connector

Retail: $68.39
Our Price: $39.46
Quickly and easily install a 4-way trailer connector on your vehicle with this custom wiring harness. T-One connector plugs directly into OEM tow package harness - no cutting, splicing or tapping ...
compartment Includes ModuLite to ensure that your vehicle's wiring matches that of your trailer Powered module connects directly to battery to avoid overloading vehicle's electrical system Constructed
  • 4 Flat
  • Trailer Hitch Wiring
  • Factory Tow Package
  • Vehicle End Connector
  • Plug-In
  • Tekonsha
  • Powered Converter
  • Hidden

T-One Vehicle Wiring Harness with 4-Pole Flat Trailer Connector

Retail: $87.11
Our Price: $60.46
Quickly and easily install a 4-way trailer connector on your vehicle with this custom wiring harness. T-One connector plugs directly into existing wiring - no cutting, splicing or tapping required ...
compatible with the wiring system of your trailer. This power module functions as a tail light converter to combine the brake and turn signal functions of your automobile so that they run on one wire to
  • 4 Flat
  • Trailer Hitch Wiring
  • No Tow Package
  • Vehicle End Connector
  • Plug-In
  • Tekonsha
  • Powered Converter
  • Hidden