
Ask a Question About This Product
Our in-house experts typically reply within one business day.
Our in-house experts typically reply within one business day.
Tekonsha
Verify Fitment
Select your vehicle to confirm this part fits.
2024 - 2025 Toyota Grand Highlander
Confirmed to Fit
2020 - 2025 Toyota Highlander
Confirmed to Fit










Always the correct part
We know our products
Quality Products
Free Shipping!










Always the correct part
We know our products
Quality Products
Free Shipping!
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: | 118827 |
| WARRANTY: | LIMITED 1 YEAR WARRANTY |
| WEIGHT: | 0.75 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: | NO |
| ELECTRICAL SYSTEM TYPE: | 3-WIRE SYSTEM |
| HARDWARE INCLUDED: | YES |
Experts available to answer your questions
Call 888-634-9494The 2020-2023 Toyota Highlander Tekonsha Plug & Play T-Connector Adapter Trailer Wiring 118827 (Part #TK118827) fits the following vehicles: 2024-2025 Toyota Grand Highlander; 2020-2025 Toyota Highlander. Always verify your specific year, make, and model before ordering.
2 compatible vehicles
| Year | Make & Model | Notes |
|---|---|---|
| 2024 - 2025 | Toyota Grand Highlander | Tow Harness T: Connector Assembly Uses all existing holes. No Drilling required Install Time is 30 minutes |
| 2020 - 2025 | Toyota Highlander | Tow Harness T: Connector Assembly Uses all existing holes. No Drilling required Install Time is 30 minutes |
Yes, the 2020-2023 Toyota Highlander Tekonsha Plug & Play T-Connector Adapter Trailer Wiring 118827 (Part #TK118827) is designed to fit the 2024-2025 Toyota Grand Highlander.
The 2020-2023 Toyota Highlander Tekonsha Plug & Play T-Connector Adapter Trailer Wiring 118827 (Part #TK118827) fits 2024-2025 Toyota Grand Highlander models. The 2025 model year is the last year covered by this part number. For newer models, check for an updated version.
The 2020-2023 Toyota Highlander Tekonsha Plug & Play T-Connector Adapter Trailer Wiring 118827 (Part #TK118827) Refer to the included instructions for installation details. Basic hand tools are typically all you need.
On Sale Today
Original price was $112.50. Current price is $93.04.


Quick Ship
In stock and ready to ship — order now!
FREE ShippingFREE SHIPPING
Estimated delivery Sun, Aug 2 - Wed, Aug 5
Order before 2 PM EST Monday–Friday for same-day processing
Guaranteed safe & secure checkout
Jennifer
The staff was able to quickly assist me with locating the correct product I needed. Shipping was really fast. Item arrived in 2 days. Will be using TowUniverse again!!
May 22, 2023