Best Tekonsha in 2026

Vehicle specific replacement trailer wiring harness for vehicles originally equipped with a factory installed tow package - perfect for replacing damaged or missing factory harnesses

Quick and easy plug-in installation - no cutting or splicing necessary; simply plug into the existing vehicle connector, insert the provided fuse and you are ready to start towing

Circuit protected ModuLite module ensures electrical system compatibility between tow vehicle and trailer, and protects the tow vehicle from harmful electrical shorts or incorrect wire connections

Tekonsha 3040 Brake Control Wiring Adapter; 2 Plugs;

A distinct, easy-to-read LCD display with multiple screen color options..Fit Type: Universal Fit

Up-Front controls provide easy access to all P3 features.

Easy to understand diagnostics show output current, battery, brake, and output voltage.

Vehicle specific brake control wiring harness

For brake controls with wiring port built into back of unit

Plug the brake control end of wiring harness into back of brake control and vehicle end into vehicle's port

Vehicle specific brake control wiring harness

For brake controls with wiring port built into back of unit

Plug the brake control end of wiring harness into back of brake control and vehicle end into vehicle's port

Vehicle specific brake control wiring harness

For brake controls with wiring port built into back of unit

Plug the brake control end of wiring harness into back of brake control and vehicle end into vehicle's port

Utilizes Plug-N-Play port for 2-plug adapters.Fit Type: Universal Fit

Self-diagnostics features will illuminate LED readout when issues occur

Requires T-connector to connect to vehicle (sold separately)

Vehicle specific brake control wiring harness.Fit Type: Universal Fit

For brake controls with wiring port built into back of unit

Plug the brake control end of wiring harness into back of brake control and vehicle end into vehicle's port

16 Gauge Bonded Wire With 4-Way Flat Plug & Play.Fit Type: Vehicle Specific

Stop/Turn Circuit Capacity Of 7.5 Amps

Solid, Weatherproof, One-Piece Construction

Vehicle specific brake control wiring harness

For brake controls with wiring port built into back of unit

Plug the brake control end of wiring harness into back of brake control and vehicle end into vehicle's port

3020

Vehicle specific brake control wiring harness

For brake controls with wiring port built into back of unit

Plug the brake control end of wiring harness into back of brake control and vehicle end into vehicle's port

Plug & play Brake control wiring adapter.Material:Polycarbonate

Designed for Brake controls that have a wiring port built into the back of the Unit

Coupler style and shank type 2Pc

Plug & Play brake control wiring adapter

Designed for brake controls that have a wiring port built into the back of the unit

Coupler style and shank type 2PC

Vehicle specific brake control wiring harness

For brake controls with wiring port built into back of unit

Plug the brake control end of wiring harness into back of brake control and vehicle end into vehicle's port

Vehicle specific brake control wiring harness.Fit Type: Universal Fit

For brake controls with wiring port built into back of unit

Plug the brake control end of wiring harness into back of brake control and vehicle end into vehicle's port

Vehicle specific brake control wiring harness

For brake controls with wiring port built into back of unit

Plug the brake control end of wiring harness into back of brake control and vehicle end into vehicle's port

Quick, easy installation

Reduces brake control install time

Plugs into OEM harness under dash and the rear of the brake control

Product Type :Auto Accessory

Package Dimensions :2.7 Cm L X2.9 Cm W X20.1 Cm H

Country Of Origin :China

7-way replacement for OEM wiring harness with circuit protected ModuLite HD Module

Tow Ready a trusted industry leader

Fast Shipping

T-One Tow Harness Connectors require no splicing of vehicle wires, just locate your vehicle's wiring harness connector, unplug the connection and insert the T-One Connector into the vehicle's harness

Weatherproof, one-piece construction and a 'Factory' appearance - T-One Connectors look like part of the factory harness and simply store in the cargo area or under the rear bumper when not in use

16 gauge bonded wire with 4-flat plug and cap; 7.5 amp stop light/turn signal circuit capacity

T-One Tow Harness Connectors require no splicing of vehicle wires, just locate your vehicle's wiring harness connector, unplug the connection and insert the T-One Connector into the vehicle's harness

Weatherproof, one-piece construction and a 'Factory' appearance - T-One Connectors look like part of the factory harness and simply store in the cargo area or under the rear bumper when not in use

16 gauge bonded wire with 4-flat plug and cap; 4.2 amp stop light/turn signal circuit capacity; 7.5 amp taillight circuit capacity; upgraded circuit protected ModuLite HD module

Reverse battery protection for both vehicle and breakaway

Designed to work with electronic over hydraulic brake systems

Numerous mounting options, includes 360 degree vertical rotation

T-One Tow Harness Connectors require no splicing of vehicle wires, just locate your vehicle's wiring harness connector, unplug the connection and insert the T-One Connector into the vehicle's harness

Weatherproof, one-piece construction and a 'Factory' appearance - T-One Connectors look like part of the factory harness and simply store in the cargo area or under the rear bumper when not in use

16 gauge bonded wire with 4-flat plug and cap; 2.1 amp stop light/turn signal circuit capacity; 5 amp taillight circuit capacity; lighting converter

Solid state electronics

Power-on LED for a positive tow vehicle-to-trailer connection

“Up- front” manual over-ride control

T-One Tow Harness Connectors require no splicing of vehicle wires, just locate your vehicle's wiring harness connector, unplug the connection and insert the T-One Connector into the vehicle's harness

Weatherproof, one-piece construction and a 'Factory' appearance - T-One Connectors look like part of the factory harness and simply store in the cargo area or under the rear bumper when not in use

16 gauge bonded wire with 4-flat plug and cap; 2.1 amp stop light/turn signal circuit capacity; 5.6 amp taillight circuit capacity; upgraded circuit protected ModuLite HD module

Includes Direct Fit Wiring Harness, Brackets & Hardware

Limited Lifetime Warranty

Bright LCD screen with adjustable contrast

TIME-DELAYED DIGITAL BRAKE CONTROLLER: Applies braking power that ramps up, or increases over a period of time, at a fixed rate. This makes the Tekonsha Brakeman IV brake controller ideal for basic, light-duty towing needs

EASILY INSTALL: The Brakeman IV trailer brake controller has a Plug & Play port for easy installation. As a time-based controller with a compact design, the unit can be installed above or below the dash, in any direction, as it is within reach of the driver

EASY-TO-READ INDICATOR: Digital display shows settings, real-time comprehensive diagnostics, and short circuit protection. Red light means power increase to trailer brakes. Green light means secure connection with trailer "

Plug & Play