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Trailer Wiring and Bracket For 21‑23 KIA Sorento Plug & Play 4‑Flat Harness
Model: 118838 118144Includes Everything Pictured:
Plug and Play T-One Wiring Harness Connector
4-Flat Mounting Bracket
Installation Instructions
Fits The Following Vehicles
2021 - 2023 KIA, Sorento, All Styles
Wiring Kit Specs:
| Part Number | 118838 |
| 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 |
Questions or Comments? Call 702-374-8999
Thank you for choosing Tekonsha, the most powerful name in trailer light wiring and brake control system. Our trailer wiring harness is vehicle specific, requires no splicing or cutting of the wires. Simply plug & play and your vehicle will be able to control trailers brake, turn and running lights. Trailer wiring kit comes with a 1 year warranty and everything necessary to install the trailer plug wiring. Tekonsha manufactures a wider range of different products for hooking up trailer lights to your Car Truck or SUV. T-One connectors work great with boat trailer wiring and utility trailer wiring. Typically those trailers will use the standard 4 flat plug which is what our T One connectors offer. If you have an RV Fifth Wheel or any other large type of trailer you will us a 7 pin trailer plug to control your electric trailer brakes. Tekonsha offers 7 pin trailer connector as well. Simply do a search above to see if there is a 7 wire trailer wiring available for hooking up your 7 way. If there is not you can use part number 85343 trailer wiring adapter to convert any 4-Flat into a 7-Way. In addition you will use part number 20506 which will include the rest of wiring needed for electric brake controls. You can also call us or email us any time and we will be able to provide information you need.
Partial list of fitment years:
21 22 23 2021 2022 2023
$106 60 $141.34 25% OFF
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$141.34 $106 60
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Product Details
- Brand: Tekonsha
- Model: 118838 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 - 2023 KIA, Sorento, All Styles
Wiring Kit Specs:
| Part Number | 118838 |
| 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 |
Questions or Comments? Call 702-374-8999
Thank you for choosing Tekonsha, the most powerful name in trailer light wiring and brake control system. Our trailer wiring harness is vehicle specific, requires no splicing or cutting of the wires. Simply plug & play and your vehicle will be able to control trailers brake, turn and running lights. Trailer wiring kit comes with a 1 year warranty and everything necessary to install the trailer plug wiring. Tekonsha manufactures a wider range of different products for hooking up trailer lights to your Car Truck or SUV. T-One connectors work great with boat trailer wiring and utility trailer wiring. Typically those trailers will use the standard 4 flat plug which is what our T One connectors offer. If you have an RV Fifth Wheel or any other large type of trailer you will us a 7 pin trailer plug to control your electric trailer brakes. Tekonsha offers 7 pin trailer connector as well. Simply do a search above to see if there is a 7 wire trailer wiring available for hooking up your 7 way. If there is not you can use part number 85343 trailer wiring adapter to convert any 4-Flat into a 7-Way. In addition you will use part number 20506 which will include the rest of wiring needed for electric brake controls. You can also call us or email us any time and we will be able to provide information you need.
Partial list of fitment years:
21 22 23 2021 2022 2023
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Trailer Wiring and Bracket For 21-23 KIA Sorento Plug & Play 4-Flat Harness Install Notes
Installation Instructions for T-One® T-Connector for Kia Sorento
Part Numbers:
- 118838
Tools Required:
- Trim Panel Remover
- 10mm Socket & Ratchet or 10mm Wrench
- Drill (3/32” Drill Bit)
- Wire Crimpers
- Wire Cutters
- Phillips Head Screwdriver
- Test Probe
Step-by-Step Instructions:
-
Open the Rear Hatch:
- Remove both the driver’s and passenger’s side taillights using a 10mm socket, and set them aside.
-
Remove Trim Panel:
- Underneath the driver’s side frame rail, remove the plastic trim panel fasteners securing the protective cover and set it aside.
-
Route the Driver-Side T-Connector:
- Route the harness containing the yellow wire underneath the vehicle and up through the opening between the vehicle bumper and body to the driver’s side taillight pocket.
-
Connect the Driver-Side T-Connector:
- Insert the T-One® Connector end with the yellow wire between the driver-side wiring connectors and lock it into place.
- Ensure connectors are fully inserted, and the locking tabs are engaged.
-
Mount the Black Box:
- On the driver’s side, mount the T-One® Connector black box using the provided double-sided tape.
- Ensure the epoxy side of the module is facing downward to prevent water buildup.
- Secure the remaining T-One® Connector harness with the provided cable ties, avoiding areas that may pinch, cut, or damage the wire.
-
Ground the White Wire:
- Locate a suitable grounding point near the connector, such as an existing ground stud.
- If necessary, drill a 3/32” hole and secure the white wire using the provided eyelet and screw.
- Clean the grounding area of dirt and rustproofing before securing.
Caution: Verify the area behind any surface before drilling to avoid damage or injury.
-
Route the Passenger-Side T-Connector:
- Route the harness containing the green wire underneath the vehicle and up through the opening between the vehicle bumper and body to the passenger’s side taillight pocket.
-
Connect the Passenger-Side T-Connector:
- Insert the T-One® Connector end with the green wire between the passenger-side wiring connectors and lock it into place.
- Ensure connectors are fully inserted, and the locking tabs are engaged.
-
Route the Power Wire:
- Disconnect the vehicle’s Negative (-) battery cable.
- Remove the fuse from the yellow fuse holder (provided).
- Attach the ring terminal to the Positive (+) battery cable and secure it.
- Connect the other end of the fuse holder to the black 12-gauge wire using the provided yellow butt connector.
-
Install the Power Wire:
- Starting from the front of the vehicle, route the black 12-gauge wire rearward along the frame rail, avoiding hot pipes, heat shields, or areas that may pinch or damage the wire.
-
Connect the Power Wire to the Black Box:
- Connect the black 12-gauge wire to the black power wire located on the T-One® Connector black box using the provided yellow butt connector.
-
Reconnect the Battery and Test:
- Reconnect the Negative (-) battery cable.
- Insert the 15-amp fuse into the fuse holder.
- Test the installation using a test light or trailer.
- Reset the vehicle’s electrical system by temporarily removing the key from the ignition.
-
Reassemble the Vehicle:
- Replace all panels, threshold covers, and any other items removed during installation.
- Ensure no wires are pinched or damaged.
-
Store the 4-Flat Connector:
- Secure the trailer tow harness in an accessible location using a bracket or electrical box (not included).
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.
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