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Trailer Wiring and Bracket For 21‑24 Toyota Sienna Plug & Play 4‑Flat Harness
Model: 118824 118144Includes Everything Pictured:
Plug and Play T-One Wiring Harness Connector
4-Flat Mounting Bracket
Installation Instructions
Fits The Following Vehicles:
2021 - 2024 Toyota, Sienna, All Styles
Wiring Kit Specs:
| Part Number | 118824 |
| Brand | Tekonsha |
| Warranty | 1 Year |
| Installation Instructions |  |
4-Flat Mounting Bracket
| Part Number | 118144 |
| Fits | 4 Flat Connectors |
| Brand | Tow Ready |
| Mounts electrical connector to attachment bracket Includes screws and nuts Attractive point-of-purchase packaging |
|
| Warranty | 1 Year |
Thank you for choosing Draw Tite the most powerful name in towing industry bar none. Manufactured by the same people that brought you Reese and Hidden Hitch all of our products come with standard lifetime warranty and support. Our custom hitches mount easily on your Car Truck Van SUV and RV. Most applications simply bolt on without any need for drilling or modifying your bumper. Please review installation instructions manual pdf file above for exact step by step instructions. Chose Class 1 or 2 for light duty towing, chose Class 3 4 and 5 for heavy duty towing. Pair your hitch with accessories like a ball mount that is available in several drop and rise configurations. Choose a 2 inch ball to haul most standard trailers. Choose a 1-7/8" ball to tow small and u tility trailers. Our hitches come with generous tongue weight ratings for use with cargo racks and other accessories. All parts in our store are sold at a discount. If you have any questions please do not hesitate to give us a call at 702-374-8999
Partial list of fitment years: 21 22 23 24 2021 2022 2023 2024
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Product Details
- Brand: Tekonsha
- Model: 118824 118144
- Includes: T-One T-Connector Custom Harness, Mounting Bracket
Compatibility Chart
Description
Includes Everything Pictured:
Plug and Play T-One Wiring Harness Connector
4-Flat Mounting Bracket
Installation Instructions
Fits The Following Vehicles:
2021 - 2024 Toyota, Sienna, All Styles
Wiring Kit Specs:
| Part Number | 118824 |
| Brand | Tekonsha |
| Warranty | 1 Year |
| Installation Instructions | |
4-Flat Mounting Bracket
| Part Number | 118144 |
| Fits | 4 Flat Connectors |
| Brand | Tow Ready |
| Mounts electrical connector to attachment bracket Includes screws and nuts Attractive point-of-purchase packaging |
|
| Warranty | 1 Year |
Thank you for choosing Draw Tite the most powerful name in towing industry bar none. Manufactured by the same people that brought you Reese and Hidden Hitch all of our products come with standard lifetime warranty and support. Our custom hitches mount easily on your Car Truck Van SUV and RV. Most applications simply bolt on without any need for drilling or modifying your bumper. Please review installation instructions manual pdf file above for exact step by step instructions. Chose Class 1 or 2 for light duty towing, chose Class 3 4 and 5 for heavy duty towing. Pair your hitch with accessories like a ball mount that is available in several drop and rise configurations. Choose a 2 inch ball to haul most standard trailers. Choose a 1-7/8" ball to tow small and u tility trailers. Our hitches come with generous tongue weight ratings for use with cargo racks and other accessories. All parts in our store are sold at a discount. If you have any questions please do not hesitate to give us a call at 702-374-8999
Partial list of fitment years: 21 22 23 24 2021 2022 2023 2024
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Trailer Wiring and Bracket For 21-24 Toyota Sienna Plug & Play 4-Flat Harness Install Notes
Installation Instructions for T-One® T-Connector for Toyota Sienna
Part Numbers:
- 118824
Tools Required:
- Trim Panel Remover
- Drill (3/32” Drill Bit)
- 1/4” Socket
- Phillips Head Screwdriver
- Test Probe
Step-by-Step Instructions:
-
Open the Rear Hatch:
- Temporarily remove the rear threshold plate, privacy screen, storage covers, and floor covering.
- Open the rear door and fold the rear seat forward.
- Remove all necessary trim panel fasteners to access the vehicle’s wiring. Set aside all items carefully.
-
Access the Driver-Side Wiring:
- Pull back the rear driver’s trim panel to access the vehicle’s harness.
-
Locate the 8-Pin Connector:
- On the driver’s side, locate the vehicle’s 8-pin connector near the floor, close to the rear seat.
- Insert the 8-Pin Tow-Plug Adapter into the connector and lock it in place.
-
Mount the Black Box:
- Mount the T-One® Connector black box on the driver’s side using the double-sided tape provided.
- Secure the remaining harness with the provided cable ties, avoiding areas that may cut or pinch the wire.
-
Ground the White Wire:
- Locate a suitable grounding point near the connector, such as the vehicle’s frame or crossmember.
- Clean the grounding area to remove dirt and rustproofing.
- Drill a 3/32” hole and secure the white wire using the provided eyelet and screw.
Caution: Verify the area behind any surface before drilling to avoid damage or injury. Do not drill into exposed surfaces.
-
Test the Installation:
- Ensure all connections are complete.
- Test the installation using a test light or trailer.
- Reset the vehicle’s electrical system by temporarily removing the key from the ignition.
-
Secure the Harness:
- Use the provided cable ties to secure the remaining T-One® T-Connector harness.
- Avoid areas that may pinch, cut, or melt the wire.
-
Reinstall Trim Panels:
- Reinstall all plastic trim panels, threshold covers, and floor coverings removed during installation.
- Ensure no wires are pinched or damaged.
-
Store the 4-Flat Connector:
- Store the 4-flat connector in the rear cargo area when not in use.
- When in use, pull the 4-flat connector through the door and close it carefully.
Warning: Be cautious not to pinch the harness in the door latch.
Safety Notes:
- Overloading circuits can cause fires. Do not exceed stated product ratings.
- Always wear safety glasses and follow all safety precautions during installation.
Manufacturer Notes:
- Refer to the vehicle owner’s manual and the instruction sheet for additional details.
- Store these instructions for future reference.
- Always follow all warnings and instructions printed on the tow vehicle’s battery.
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