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2021 - 2025 Ford Bronco Sport
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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: | 118836 |
| WARRANTY: | LIMITED 1 YEAR WARRANTY |
| WEIGHT: | 1.7 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: | 3-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 |
|---|---|---|
| 2021 - 2025 | Ford Bronco Sport | Tow Harness T: Connector Assembly Drilling Required Install Time is 60 minutes |
The 2021-2024 Ford Bronco Sport Tekonsha Plug & Play T-Connector Adapter Trailer Wiring 118836 (Part #TK118836) fits 2021-2025 Ford Bronco Sport models. The 2025 model year is the last year covered by this part number. For newer models, check for an updated version.
Yes, the 2021-2024 Ford Bronco Sport Tekonsha Plug & Play T-Connector Adapter Trailer Wiring 118836 (Part #TK118836) is designed to fit the 2021-2025 Ford Bronco Sport.
The 2021-2024 Ford Bronco Sport Tekonsha Plug & Play T-Connector Adapter Trailer Wiring 118836 (Part #TK118836) fits the following vehicles: 2021-2025 Ford Bronco Sport. Always verify your specific year, make, and model before ordering.
The 2021-2024 Ford Bronco Sport Tekonsha Plug & Play T-Connector Adapter Trailer Wiring 118836 (Part #TK118836) Drilling is required for installation. Basic hand tools are typically all you need.
Yes, the T-One® Connector is designed for the Ford Bronco Sport. The installation instructions are specific to this vehicle model.
The T-One® Connector is a towing connector that integrates with your vehicle's taillight wiring to provide trailer lighting connections. It uses a 4-flat connector that can be stored in the driver's side threshold compartment when not in use.
You will need: trim panel remover, 10 mm socket and ratchet or 10 mm wrench, drill with 3/32" bit, wire crimpers, wire cutters, Phillips head screwdriver, and a test probe.
Yes. You must disconnect the vehicle's negative (−) battery cable before connecting the power wiring in step 8. Reconnect it after the fuse is installed in step 11.
Yes. You must remove the taillights on both the driver and passenger sides of the vehicle to access the taillight wiring harness and insert the T-One® Connector ends.
You must partially remove the plastic threshold cover, side panels, cargo trays, and Styrofoam cargo trays around the spare tire to expose the vehicle's taillight wiring harness in the rear cargo area.
Drilling may be required. You must locate a suitable grounding point near the connector, such as an existing ground stud. If no existing stud is available, you must drill a 3/32" hole to secure the white grounding wire using the eyelet and screw provided. Do not drill into the vehicle floor or bed.
Use a 3/32" drill bit to create the grounding hole for the white wire eyelet.
No. The manual explicitly states: do not drill into the vehicle floor or bed. You must locate an existing ground stud or drill only in an appropriate area near the connector.
Yes. On both the driver's and passenger's sides, you must slit the grommet to allow the T-Connector's wiring to pass through.
Mount the black box on the driver's side using the double-sided tape provided. Secure the remainder of the harness with the cable ties provided, being careful to avoid areas that would cut or pinch the wire.
First, insert the T-One® Connector end with the yellow wire on the driver's side between the vehicle wiring connectors and lock into place. Then route the end with the green wire to the passenger's side and insert it between the vehicle wiring connectors on that side. Be careful not to damage the locking tabs and ensure connectors are fully inserted with locking tabs in place.
The power wire is 12 gauge (12 ga.) and black. It connects from the fuse holder at the positive battery terminal, routes along the frame rail, and connects to the black power wire on the T-Connector's black box.
A 15 amp fuse is installed in the yellow fuse holder provided. This fuse protects the power circuit and must be installed after the battery is reconnected.
After disconnecting the negative battery cable, attach the ring terminal (provided) to the vehicle's positive (+) battery cable. Connect the other end of the yellow fuse holder to the black 12 gauge wire using the yellow butt connector provided. Route the black wire from the front of the vehicle rearward along the frame rail, avoiding hot pipes, heat shields, fuel tank, and other pinch points. Connect the other end to the black power wire on the T-Connector's black box using the yellow butt connector provided.
The T-One® Connector has two ends: one with a yellow wire (driver's side) and one with a green wire (passenger's side). These insert between the vehicle's taillight wiring connectors.
The grounding wire is white. It is secured using an eyelet and screw provided in the kit. The eyelet is attached to an existing ground stud or to a 3/32" hole drilled near the connector. The area must be cleaned of dirt and rustproofing before attachment.
Beginning from the front of the vehicle, route the black 12 gauge wire rearward along the frame rail. Avoid hot pipes, heat shields, the fuel tank, and any other points that may pinch or break the wire.
Route the 4-flat connector through the driver's side trim panel into the storage compartment on the threshold and store it there when not in use.
Test and verify the installation with a test light or trailer once installed. For the initial test, reset the vehicle electrical system by temporarily removing the key from the ignition. All connections must be complete for the T-One® Connector to function properly.
The manual does not specify the amperage rating of the T-One® Connector itself. However, you must not exceed the lower of: the towing manufacturer's rating (including in your vehicle owner's manual) or the specific amperage ratings stated on the product. Overloading circuits can cause fires.
Always wear safety glasses during installation. Before drilling, verify what is behind any surface to avoid damage to the vehicle and personal injury. Do not drill into exposed surfaces. When routing wires, avoid hot pipes, heat shields, and the fuel tank. Secure all wires with cable ties to prevent damage or rattling. Read and follow all warnings printed on the tow vehicle's battery.
After reconnecting the vehicle's negative (−) battery cable, install the 15 amp fuse into the fuse holder. Then reinstall all plastic trim panels, threshold, storage covers, floor covering, and other items that were removed during installation, being careful not to pinch or cut the wires.
Yes, the T-One® Connector (118836-037) is designed for the Ford Bronco Sport.
You need: trim panel remover, 10 mm socket/ratchet or wrench, drill with 3/32" bit, wire crimpers, wire cutters, Phillips screwdriver, and test probe.
Drilling may be required if no existing ground stud is available. You drill a 3/32" hole for the white grounding wire. Do not drill into the vehicle floor or bed.
Yes, disconnect the negative battery cable before connecting the power wiring. Reconnect it after installing the 15 amp fuse.
A 15 amp fuse is installed in the yellow fuse holder provided with the kit.
The manual does not state the product's amperage rating. You must not exceed the lower of the towing manufacturer's rating or the specific amperage ratings stated on the product itself.
Verify that all connections are complete. Ensure the 15 amp fuse is installed in the fuse holder, the negative battery cable is reconnected, and all wire connections (yellow butt connectors and ring terminal) are secure. Test with a test light or trailer. If the initial test fails, reset the vehicle electrical system by temporarily removing the ignition key.
Ensure the connector ends are fully inserted between the vehicle wiring connectors. The locking tabs must be fully engaged. If the tabs are damaged, the connectors will not lock properly. Be careful not to damage the locking tabs during insertion.
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