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Tekonsha
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2013 - 2020 Ford Fusion
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Tekonsha T-One connector (also referred to as T-Connector) wiring harnesses are the fastest and easiest way to add an electrical connector to the back of your vehicle. These connectors are used to link the wiring from your vehicle to the trailer when towing. Tekonsha T-One connectors feature custom designs to fit each vehicle make and model based on manufacturer specifications. Plus, the Plug & Play connectors on the end of the wires make it easy to install. No cutting or splicing!
Tekonsha offers the largest, most complete line of T-One connectors. To install a Tekonsha T-One wiring harness, simply locate your vehicle's wiring harness connector typically behind the vehicle taillight - unplug the connection and insert the T-Connector into the vehicle's harness. It's that easy! So what are you waiting for? Hit the road with the peace of mind only Tekonsha can provide. Life's a Journey. Stop Often.
| BRAND: | TEKONSHA |
| PART NUMBER: | 118574 |
| WARRANTY: | LIMITED 1 YEAR WARRANTY |
| WEIGHT: | 1.75 LBS |
| UNIVERSAL OR SPECIFIC FIT: | SPECIFIC |
| CIRCUIT PROTECTED: | YES |
| HARNESS TYPE: | MALE FEMALE |
| TERMINAL QUANTITY: | 4 |
| WIRE COLORS: | BROWN, GREEN, YELLOW, WHITE |
| WIRE QUANTITY: | 4 |
| WIRE GAUGE: | 16 GA. |
| POWER LEAD REQUIRED: | YES |
| ELECTRICAL SYSTEM TYPE: | 2-WIRE SYSTEM |
| HARDWARE INCLUDED: | YES |
Tekonsha is a leading manufacturer of electronic trailer brake controllers, pioneering the category in the 1970s. The lineup spans proportional units such as the Prodigy P3 and Prodigy iD, time-delayed controllers, the wireless Prodigy RF, plus vehicle-specific wiring harnesses, adapters and trailer brake components engineered for smooth, predictable stopping at any speed.
Tekonsha Engineering Company began in 1964 building RV steps and mirrors. Within a few years it had found its real calling, and by the 1970s Tekonsha was pioneering the manufacture of electronic trailer brake controllers, the product category that still defines the brand. More than half a century later it remains the reference name in trailer braking and is part of the Horizon Global group alongside Reese, Draw-Tite, Fulton, Bulldog and Wesbar.
A brake controller is the component that tells a trailer's electric brakes how hard to work and when, and getting that right is the difference between a controlled stop and a shove from behind. Tekonsha builds both major types. Proportional controllers use an internal accelerometer to sense how quickly the tow vehicle is slowing and apply trailer braking to match, so light braking stays light and hard braking is immediate. Time-delayed controllers ramp to a preset output over a fixed interval, a simpler and more economical approach that suits occasional towing.
The current brake controller range covers most of that ground. The Prodigy iD pairs with a phone through Tekonsha's EDGE technology for setup and monitoring, the P3 offers storable settings for multiple trailers and a trilingual colour LED display, the Prodigy P2 adds a dimmable display and boost mode for heavier loads, and the Voyager keeps operation simple and dependable. The Prodigy RF mounts to the trailer itself and controls wirelessly, which suits rental fleets and drivers who swap tow vehicles.
Installation is supported by vehicle-specific brake control harnesses that plug into a factory connector rather than requiring cut-and-splice wiring, along with mounting brackets and adapters. Matched controller bundles pair a unit with the correct harness. Products are tested to meet and often exceed published industry standards.
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1 compatible vehicles
| Year | Make & Model | Notes |
|---|---|---|
| 2013 - 2020 | Ford Fusion | Tow Harness T: Connector Assembly Drilling Required Install Time is 60 minutes |
The 2013-2020 Ford Fusion Tekonsha Plug & Play T-Connector Adapter Trailer Wiring 118574 (Part #TK118574) fits 2013-2020 Ford Fusion models. The 2020 model year is the last year covered by this part number. For newer models, check for an updated version.
The 2013-2020 Ford Fusion Tekonsha Plug & Play T-Connector Adapter Trailer Wiring 118574 (Part #TK118574) fits the following vehicles: 2013-2020 Ford Fusion. Always verify your specific year, make, and model before ordering.
Yes, the 2013-2020 Ford Fusion Tekonsha Plug & Play T-Connector Adapter Trailer Wiring 118574 (Part #TK118574) is designed to fit the 2013-2020 Ford Fusion.
The 2013-2020 Ford Fusion Tekonsha Plug & Play T-Connector Adapter Trailer Wiring 118574 (Part #TK118574) Drilling is required for installation. Basic hand tools are typically all you need.
The T-Connector is a wiring harness that integrates a trailer's lighting system with a Ford Fusion's factory taillight wiring. It allows you to connect a trailer's brake lights, turn signals and tail lights to the vehicle's electrical system without cutting or permanently modifying the factory wiring. The system includes a black box module, color-coded wires (yellow, green, white, brown, and black), connectors, and a fused power connection to the battery.
Yes, the T-Connector is designed for the Ford Fusion. The manual does not specify which model years are compatible. If you have a different vehicle model, this product is not suitable.
You will need: trim panel remover, 10mm socket and ratchet (or 10mm wrench), drill with 3/32" bit, 1/4" socket, wire crimpers, wire cutters, Phillips head screwdriver, and a test probe. The manual does not specify whether you need a helper or lifting equipment.
The T-Connector includes: color-coded wire harness ends (yellow, green, white, brown, black), a black box module, cable ties, an eyelet and screw for the ground wire, two yellow butt connectors, a yellow fuse holder with fuse, and a ring terminal for the battery connection. The manual does not specify quantities of cable ties or other consumables.
Yes. Step 9 requires you to disconnect the vehicle's negative (−) battery cable before connecting the fuse holder to the positive (+) battery terminal. This is a safety requirement to prevent electrical shock or short circuits during installation.
You must partially remove the plastic threshold cover and felt trunk liner to access the rear cargo area. You will then remove two 10mm nuts on the back of the taillight housing on both driver and passenger sides using a 10mm socket, and remove the taillights themselves.
On the driver's side, pull the vehicle's taillight wire harness and unseat the grommet. Slit the grommet to allow the T-Connector's yellow and brown wires to pass through. Route the T-Connector end with the yellow wire through the grommet, then plug it between the vehicle's mating connectors. Repeat this process on the passenger's side with the T-Connector end containing the green wire. Ensure all connectors are fully inserted with locking tabs in place.
Mount the black box module on a flat surface in an out-of-the-way location inside the vehicle to prevent damage or rattling. The manual does not specify exact locations but emphasizes choosing a place that will not be disturbed during normal vehicle use.
Yes. You must drill a 3/32" hole near the taillight connector inside the vehicle to secure the white ground wire using the supplied eyelet and screw. Before drilling, verify what is behind the surface to avoid damage to the vehicle or personal injury. Do not drill into any exposed surfaces.
Yes. On both the driver's and passenger's sides, you must slit the grommet (the rubber seal around the taillight wiring) to allow the T-Connector's wires to pass through. This is a permanent modification to the grommet.
The T-Connector uses color-coded wires: yellow wire connects to the driver's side taillight harness, green wire connects to the passenger's side taillight harness, white wire is the ground connection (secured with an eyelet and screw), and black wires carry power from the battery through the fuse holder to the black box module.
You have two options: (1) Route the black wire through a grommet and along the exterior frame, or (2) Follow the existing wiring along the thresholds into the engine compartment up to the battery. Either way, avoid areas that may pinch or break the wire. If routing along the exterior, avoid hot pipes, heat shields, the fuel tank, or any other points that may pinch or break the wire.
The yellow fuse holder protects the power circuit from overload. It connects between the black 12 gauge wire (from the T-Connector black box) and the vehicle's positive (+) battery terminal. The fuse is pre-installed; you cut the fuse holder wire, attach the ring terminal to the positive battery cable, and connect the other end to the black 12 gauge wire using a yellow butt connector.
Locate a suitable grounding point near the taillight connector inside the vehicle. Clean dirt and rustproofing from the area. Drill a 3/32" hole and secure the white wire using the eyelet and screw provided in the kit.
Do not exceed the lower of the vehicle manufacturer's rating or: maximum 2.1 amps per stop/turn light (1 per side), and maximum 5.6 amps for tail lights. Overloading the circuit can cause fires. Consult the vehicle's owner's manual for additional information.
Wear safety glasses during installation. Read and follow all warnings on the vehicle's battery. Verify what is behind any surface before drilling to avoid damage to the vehicle or personal injury. Do not drill into exposed surfaces. Be careful not to damage connector locking tabs. Avoid pinching, cutting, or melting wires when securing them with cable ties. Do not route wires through areas with hot pipes, heat shields, or the fuel tank.
All connections must be complete for the T-Connector to function properly. Test and verify the installation with a test light or trailer once installed. For the initial test, reset the vehicle's electrical system by temporarily removing the key from the ignition.
After securing the fuse holder to the positive battery terminal and connecting it to the black 12 gauge wire, reinstall the vehicle's negative (−) battery cable. Then test and verify the installation with a test light or trailer. For the initial test, reset the vehicle's electrical system by temporarily removing the key from the ignition.
Reinstall the plastic trim panels, threshold, storage covers, floor covering, and any other items that were removed during installation. Be careful not to pinch or cut the wires when reinstalling these components.
Store the 4-flat connector in the trunk area when not in use.
The T-Connector is designed for the Ford Fusion. If you have a different vehicle, this product is not compatible.
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